/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 06:49:05,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 06:49:05,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 06:49:05,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 06:49:05,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 06:49:05,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 06:49:05,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 06:49:05,517 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 06:49:05,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 06:49:05,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 06:49:05,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 06:49:05,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 06:49:05,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 06:49:05,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 06:49:05,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 06:49:05,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 06:49:05,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 06:49:05,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 06:49:05,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 06:49:05,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 06:49:05,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 06:49:05,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 06:49:05,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 06:49:05,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 06:49:05,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 06:49:05,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 06:49:05,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 06:49:05,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 06:49:05,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 06:49:05,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 06:49:05,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 06:49:05,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 06:49:05,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 06:49:05,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 06:49:05,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 06:49:05,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 06:49:05,565 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-03-26 06:49:05,593 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 06:49:05,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 06:49:05,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 06:49:05,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 06:49:05,600 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 06:49:05,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 06:49:05,601 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 06:49:05,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 06:49:05,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 06:49:05,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 06:49:05,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 06:49:05,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 06:49:05,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 06:49:05,602 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 06:49:05,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 06:49:05,603 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 06:49:05,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 06:49:05,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 06:49:05,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 06:49:05,603 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 06:49:05,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 06:49:05,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 06:49:05,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 06:49:05,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 06:49:05,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 06:49:05,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 06:49:05,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 06:49:05,604 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-26 06:49:05,604 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 06:49:05,605 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 06:49:05,605 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 06:49:05,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 06:49:05,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 06:49:05,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 06:49:05,914 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-26 06:49:05,916 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-26 06:49:05,916 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl [2021-03-26 06:49:05,940 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl' [2021-03-26 06:49:05,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 06:49:05,963 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-26 06:49:05,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 06:49:05,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 06:49:05,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 06:49:05,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 06:49:05" (1/1) ... [2021-03-26 06:49:05,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 06:49:05" (1/1) ... [2021-03-26 06:49:05,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 06:49:05,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 06:49:05,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 06:49:05,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 06:49:05,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 06:49:05" (1/1) ... [2021-03-26 06:49:05,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 06:49:05" (1/1) ... [2021-03-26 06:49:05,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 06:49:05" (1/1) ... [2021-03-26 06:49:05,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 06:49:05" (1/1) ... [2021-03-26 06:49:05,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 06:49:05" (1/1) ... [2021-03-26 06:49:06,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 06:49:05" (1/1) ... [2021-03-26 06:49:06,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 06:49:05" (1/1) ... [2021-03-26 06:49:06,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 06:49:06,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 06:49:06,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 06:49:06,002 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 06:49:06,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 06:49:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 06:49:06,054 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-26 06:49:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-26 06:49:06,055 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-26 06:49:06,055 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-26 06:49:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-26 06:49:06,055 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-26 06:49:06,055 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-26 06:49:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 06:49:06,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 06:49:06,055 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-26 06:49:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-26 06:49:06,056 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-26 06:49:06,056 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 06:49:06,179 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 06:49:06,180 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-26 06:49:06,181 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 06:49:06 BoogieIcfgContainer [2021-03-26 06:49:06,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 06:49:06,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 06:49:06,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 06:49:06,193 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 06:49:06,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 06:49:05" (1/2) ... [2021-03-26 06:49:06,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d45057 and model type array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 06:49:06, skipping insertion in model container [2021-03-26 06:49:06,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 06:49:06" (2/2) ... [2021-03-26 06:49:06,195 INFO L111 eAbstractionObserver]: Analyzing ICFG array-sum-alt.wvr.bpl [2021-03-26 06:49:06,199 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 06:49:06,201 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 06:49:06,202 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 06:49:06,235 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-03-26 06:49:06,268 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-03-26 06:49:06,288 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 06:49:06,288 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 06:49:06,288 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 06:49:06,288 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 06:49:06,288 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 06:49:06,288 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 06:49:06,288 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 06:49:06,288 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 06:49:06,306 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 32 transitions, 88 flow [2021-03-26 06:49:06,341 INFO L129 PetriNetUnfolder]: 3/29 cut-off events. [2021-03-26 06:49:06,342 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-26 06:49:06,349 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 29 events. 3/29 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 43 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2021-03-26 06:49:06,349 INFO L82 GeneralOperation]: Start removeDead. Operand has 39 places, 32 transitions, 88 flow [2021-03-26 06:49:06,355 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 34 places, 27 transitions, 72 flow [2021-03-26 06:49:06,356 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:06,367 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 27 transitions, 72 flow [2021-03-26 06:49:06,370 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 27 transitions, 72 flow [2021-03-26 06:49:06,370 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 27 transitions, 72 flow [2021-03-26 06:49:06,379 INFO L129 PetriNetUnfolder]: 3/27 cut-off events. [2021-03-26 06:49:06,380 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-26 06:49:06,380 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 27 events. 3/27 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 39 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2021-03-26 06:49:06,382 INFO L142 LiptonReduction]: Number of co-enabled transitions 210 [2021-03-26 06:49:06,673 INFO L154 LiptonReduction]: Checked pairs total: 96 [2021-03-26 06:49:06,673 INFO L156 LiptonReduction]: Total number of compositions: 13 [2021-03-26 06:49:06,680 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 325 [2021-03-26 06:49:06,699 INFO L129 PetriNetUnfolder]: 3/13 cut-off events. [2021-03-26 06:49:06,699 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-26 06:49:06,700 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:06,700 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:06,700 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:06,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:06,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1796075499, now seen corresponding path program 1 times [2021-03-26 06:49:06,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:06,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529959673] [2021-03-26 06:49:06,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:06,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:06,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:06,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:06,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529959673] [2021-03-26 06:49:06,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 06:49:06,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-26 06:49:06,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537618820] [2021-03-26 06:49:06,824 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 06:49:06,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:06,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 06:49:06,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 06:49:06,836 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 45 [2021-03-26 06:49:06,837 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 14 transitions, 46 flow. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:06,837 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:06,837 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 45 [2021-03-26 06:49:06,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:06,862 INFO L129 PetriNetUnfolder]: 11/31 cut-off events. [2021-03-26 06:49:06,862 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-03-26 06:49:06,863 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 31 events. 11/31 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 59 event pairs, 0 based on Foata normal form. 1/30 useless extension candidates. Maximal degree in co-relation 40. Up to 14 conditions per place. [2021-03-26 06:49:06,864 INFO L132 encePairwiseOnDemand]: 40/45 looper letters, 4 selfloop transitions, 4 changer transitions 0/17 dead transitions. [2021-03-26 06:49:06,864 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 17 transitions, 68 flow [2021-03-26 06:49:06,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 06:49:06,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 06:49:06,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2021-03-26 06:49:06,873 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7333333333333333 [2021-03-26 06:49:06,874 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 99 transitions. [2021-03-26 06:49:06,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 99 transitions. [2021-03-26 06:49:06,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:06,877 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 99 transitions. [2021-03-26 06:49:06,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:06,881 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 45.0) internal successors, (180), 4 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:06,882 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 45.0) internal successors, (180), 4 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:06,883 INFO L185 Difference]: Start difference. First operand has 21 places, 14 transitions, 46 flow. Second operand 3 states and 99 transitions. [2021-03-26 06:49:06,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 17 transitions, 68 flow [2021-03-26 06:49:06,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 17 transitions, 56 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-03-26 06:49:06,887 INFO L241 Difference]: Finished difference. Result has 18 places, 17 transitions, 60 flow [2021-03-26 06:49:06,889 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=34, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=60, PETRI_PLACES=18, PETRI_TRANSITIONS=17} [2021-03-26 06:49:06,889 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, -3 predicate places. [2021-03-26 06:49:06,889 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:06,890 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 18 places, 17 transitions, 60 flow [2021-03-26 06:49:06,890 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 18 places, 17 transitions, 60 flow [2021-03-26 06:49:06,890 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 18 places, 17 transitions, 60 flow [2021-03-26 06:49:06,896 INFO L129 PetriNetUnfolder]: 11/31 cut-off events. [2021-03-26 06:49:06,896 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 06:49:06,897 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54 conditions, 31 events. 11/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 56 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 33. Up to 14 conditions per place. [2021-03-26 06:49:06,897 INFO L142 LiptonReduction]: Number of co-enabled transitions 66 [2021-03-26 06:49:06,898 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:06,898 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:06,899 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-26 06:49:06,900 INFO L480 AbstractCegarLoop]: Abstraction has has 18 places, 17 transitions, 60 flow [2021-03-26 06:49:06,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:06,900 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:06,900 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:06,901 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 06:49:06,901 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:06,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:06,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1995643423, now seen corresponding path program 1 times [2021-03-26 06:49:06,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:06,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200653180] [2021-03-26 06:49:06,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:06,941 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-03-26 06:49:06,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:06,949 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:49:06,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:06,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:06,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:06,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:06,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:06,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:06,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200653180] [2021-03-26 06:49:06,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594488292] [2021-03-26 06:49:06,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:07,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 06:49:07,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:07,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,035 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 06:49:07,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:07,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:07,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:07,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:07,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:07,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:07,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:07,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:49:07,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:07,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:49:07,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:07,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:07,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:07,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:07,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:07,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:07,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:07,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:07,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:07,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:07,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:07,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:07,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:07,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:07,140 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:49:07,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:07,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:07,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:07,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:07,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:07,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:07,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:07,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:07,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:07,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-03-26 06:49:07,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934129073] [2021-03-26 06:49:07,146 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 06:49:07,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:07,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 06:49:07,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 06:49:07,148 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 45 [2021-03-26 06:49:07,148 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 17 transitions, 60 flow. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:07,148 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:07,148 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 45 [2021-03-26 06:49:07,148 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:07,244 INFO L129 PetriNetUnfolder]: 63/118 cut-off events. [2021-03-26 06:49:07,244 INFO L130 PetriNetUnfolder]: For 32/42 co-relation queries the response was YES. [2021-03-26 06:49:07,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 287 conditions, 118 events. 63/118 cut-off events. For 32/42 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 367 event pairs, 3 based on Foata normal form. 6/121 useless extension candidates. Maximal degree in co-relation 248. Up to 60 conditions per place. [2021-03-26 06:49:07,246 INFO L132 encePairwiseOnDemand]: 39/45 looper letters, 20 selfloop transitions, 13 changer transitions 0/39 dead transitions. [2021-03-26 06:49:07,246 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 39 transitions, 194 flow [2021-03-26 06:49:07,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 06:49:07,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 06:49:07,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 132 transitions. [2021-03-26 06:49:07,248 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41904761904761906 [2021-03-26 06:49:07,248 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 132 transitions. [2021-03-26 06:49:07,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 132 transitions. [2021-03-26 06:49:07,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:07,249 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 132 transitions. [2021-03-26 06:49:07,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 18.857142857142858) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:07,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 45.0) internal successors, (360), 8 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:07,251 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 45.0) internal successors, (360), 8 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:07,251 INFO L185 Difference]: Start difference. First operand has 18 places, 17 transitions, 60 flow. Second operand 7 states and 132 transitions. [2021-03-26 06:49:07,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 39 transitions, 194 flow [2021-03-26 06:49:07,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 39 transitions, 188 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 06:49:07,253 INFO L241 Difference]: Finished difference. Result has 26 places, 26 transitions, 134 flow [2021-03-26 06:49:07,253 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=134, PETRI_PLACES=26, PETRI_TRANSITIONS=26} [2021-03-26 06:49:07,254 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 5 predicate places. [2021-03-26 06:49:07,254 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:07,254 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 26 transitions, 134 flow [2021-03-26 06:49:07,254 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 26 transitions, 134 flow [2021-03-26 06:49:07,255 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 26 places, 26 transitions, 134 flow [2021-03-26 06:49:07,261 INFO L129 PetriNetUnfolder]: 20/56 cut-off events. [2021-03-26 06:49:07,261 INFO L130 PetriNetUnfolder]: For 29/36 co-relation queries the response was YES. [2021-03-26 06:49:07,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 56 events. 20/56 cut-off events. For 29/36 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 143 event pairs, 0 based on Foata normal form. 1/54 useless extension candidates. Maximal degree in co-relation 97. Up to 28 conditions per place. [2021-03-26 06:49:07,262 INFO L142 LiptonReduction]: Number of co-enabled transitions 108 [2021-03-26 06:49:07,264 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:07,264 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:07,264 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-26 06:49:07,265 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 26 transitions, 134 flow [2021-03-26 06:49:07,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:07,265 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:07,265 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:07,488 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-03-26 06:49:07,489 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:07,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:07,489 INFO L82 PathProgramCache]: Analyzing trace with hash 1186496685, now seen corresponding path program 2 times [2021-03-26 06:49:07,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:07,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153309774] [2021-03-26 06:49:07,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:07,541 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:49:07,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,546 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:49:07,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:07,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:07,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:07,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153309774] [2021-03-26 06:49:07,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542611707] [2021-03-26 06:49:07,561 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:07,591 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:49:07,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:49:07,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 06:49:07,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:07,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,626 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 06:49:07,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:07,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:07,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:07,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:07,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:07,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:07,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:07,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:07,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:07,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:07,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:07,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:07,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:07,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:07,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:07,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:07,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:07,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:07,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:07,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:07,682 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:49:07,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:07,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:07,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:07,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:07,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:07,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:07,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:07,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:07,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:07,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:07,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:07,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:07,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:07,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-03-26 06:49:07,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081481168] [2021-03-26 06:49:07,699 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 06:49:07,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:07,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 06:49:07,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 06:49:07,702 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45 [2021-03-26 06:49:07,702 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 26 transitions, 134 flow. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:07,703 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:07,703 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45 [2021-03-26 06:49:07,703 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:07,831 INFO L129 PetriNetUnfolder]: 65/121 cut-off events. [2021-03-26 06:49:07,831 INFO L130 PetriNetUnfolder]: For 138/163 co-relation queries the response was YES. [2021-03-26 06:49:07,831 INFO L84 FinitePrefix]: Finished finitePrefix Result has 385 conditions, 121 events. 65/121 cut-off events. For 138/163 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 354 event pairs, 4 based on Foata normal form. 10/128 useless extension candidates. Maximal degree in co-relation 346. Up to 61 conditions per place. [2021-03-26 06:49:07,833 INFO L132 encePairwiseOnDemand]: 39/45 looper letters, 18 selfloop transitions, 19 changer transitions 0/44 dead transitions. [2021-03-26 06:49:07,833 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 44 transitions, 296 flow [2021-03-26 06:49:07,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 06:49:07,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 06:49:07,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 143 transitions. [2021-03-26 06:49:07,835 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45396825396825397 [2021-03-26 06:49:07,835 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 143 transitions. [2021-03-26 06:49:07,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 143 transitions. [2021-03-26 06:49:07,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:07,835 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 143 transitions. [2021-03-26 06:49:07,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.428571428571427) internal successors, (143), 7 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:07,837 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 45.0) internal successors, (360), 8 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:07,837 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 45.0) internal successors, (360), 8 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:07,837 INFO L185 Difference]: Start difference. First operand has 26 places, 26 transitions, 134 flow. Second operand 7 states and 143 transitions. [2021-03-26 06:49:07,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 44 transitions, 296 flow [2021-03-26 06:49:07,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 44 transitions, 287 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 06:49:07,840 INFO L241 Difference]: Finished difference. Result has 33 places, 35 transitions, 236 flow [2021-03-26 06:49:07,840 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=236, PETRI_PLACES=33, PETRI_TRANSITIONS=35} [2021-03-26 06:49:07,840 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 12 predicate places. [2021-03-26 06:49:07,840 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:07,841 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 35 transitions, 236 flow [2021-03-26 06:49:07,841 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 35 transitions, 236 flow [2021-03-26 06:49:07,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 35 transitions, 236 flow [2021-03-26 06:49:07,847 INFO L129 PetriNetUnfolder]: 28/69 cut-off events. [2021-03-26 06:49:07,847 INFO L130 PetriNetUnfolder]: For 82/87 co-relation queries the response was YES. [2021-03-26 06:49:07,847 INFO L84 FinitePrefix]: Finished finitePrefix Result has 204 conditions, 69 events. 28/69 cut-off events. For 82/87 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 186 event pairs, 0 based on Foata normal form. 1/68 useless extension candidates. Maximal degree in co-relation 165. Up to 36 conditions per place. [2021-03-26 06:49:07,848 INFO L142 LiptonReduction]: Number of co-enabled transitions 126 [2021-03-26 06:49:07,851 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:07,851 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:07,851 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-03-26 06:49:07,851 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 35 transitions, 236 flow [2021-03-26 06:49:07,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:07,852 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:07,852 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:08,071 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:08,072 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:08,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:08,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1850771561, now seen corresponding path program 3 times [2021-03-26 06:49:08,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:08,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728173550] [2021-03-26 06:49:08,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:08,098 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:49:08,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,107 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:08,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:08,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:08,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:08,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:08,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728173550] [2021-03-26 06:49:08,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198204838] [2021-03-26 06:49:08,119 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:08,157 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-26 06:49:08,157 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:49:08,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 06:49:08,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:08,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:08,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:08,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:08,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:08,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,199 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 06:49:08,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:08,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:08,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:08,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:08,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:08,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:08,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:08,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:08,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:08,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:08,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:08,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:08,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:08,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:08,224 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:49:08,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:08,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:08,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:08,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:08,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:08,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:08,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:08,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:08,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:08,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:08,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:08,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:08,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:08,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:08,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:08,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-03-26 06:49:08,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366258030] [2021-03-26 06:49:08,234 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 06:49:08,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:08,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 06:49:08,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 06:49:08,235 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45 [2021-03-26 06:49:08,236 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 35 transitions, 236 flow. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:08,236 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:08,236 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45 [2021-03-26 06:49:08,236 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:08,324 INFO L129 PetriNetUnfolder]: 65/134 cut-off events. [2021-03-26 06:49:08,324 INFO L130 PetriNetUnfolder]: For 236/257 co-relation queries the response was YES. [2021-03-26 06:49:08,324 INFO L84 FinitePrefix]: Finished finitePrefix Result has 479 conditions, 134 events. 65/134 cut-off events. For 236/257 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 472 event pairs, 6 based on Foata normal form. 13/141 useless extension candidates. Maximal degree in co-relation 427. Up to 63 conditions per place. [2021-03-26 06:49:08,325 INFO L132 encePairwiseOnDemand]: 39/45 looper letters, 17 selfloop transitions, 17 changer transitions 0/41 dead transitions. [2021-03-26 06:49:08,325 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 41 transitions, 335 flow [2021-03-26 06:49:08,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 06:49:08,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 06:49:08,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 103 transitions. [2021-03-26 06:49:08,327 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4577777777777778 [2021-03-26 06:49:08,327 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 103 transitions. [2021-03-26 06:49:08,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 103 transitions. [2021-03-26 06:49:08,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:08,327 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 103 transitions. [2021-03-26 06:49:08,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:08,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 45.0) internal successors, (270), 6 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:08,328 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 45.0) internal successors, (270), 6 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:08,328 INFO L185 Difference]: Start difference. First operand has 33 places, 35 transitions, 236 flow. Second operand 5 states and 103 transitions. [2021-03-26 06:49:08,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 41 transitions, 335 flow [2021-03-26 06:49:08,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 41 transitions, 331 flow, removed 2 selfloop flow, removed 0 redundant places. [2021-03-26 06:49:08,332 INFO L241 Difference]: Finished difference. Result has 38 places, 36 transitions, 280 flow [2021-03-26 06:49:08,332 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=280, PETRI_PLACES=38, PETRI_TRANSITIONS=36} [2021-03-26 06:49:08,332 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 17 predicate places. [2021-03-26 06:49:08,332 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:08,332 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 36 transitions, 280 flow [2021-03-26 06:49:08,332 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 36 transitions, 280 flow [2021-03-26 06:49:08,333 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 36 transitions, 280 flow [2021-03-26 06:49:08,338 INFO L129 PetriNetUnfolder]: 27/79 cut-off events. [2021-03-26 06:49:08,338 INFO L130 PetriNetUnfolder]: For 118/120 co-relation queries the response was YES. [2021-03-26 06:49:08,338 INFO L84 FinitePrefix]: Finished finitePrefix Result has 241 conditions, 79 events. 27/79 cut-off events. For 118/120 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 247 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 191. Up to 38 conditions per place. [2021-03-26 06:49:08,339 INFO L142 LiptonReduction]: Number of co-enabled transitions 128 [2021-03-26 06:49:08,342 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:08,342 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:08,342 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-26 06:49:08,342 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 36 transitions, 280 flow [2021-03-26 06:49:08,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:08,342 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:08,343 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:08,561 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:08,561 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:08,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:08,561 INFO L82 PathProgramCache]: Analyzing trace with hash 214584097, now seen corresponding path program 4 times [2021-03-26 06:49:08,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:08,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816421680] [2021-03-26 06:49:08,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:08,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:08,581 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:49:08,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,590 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:08,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:08,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:08,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:08,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:08,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816421680] [2021-03-26 06:49:08,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086296924] [2021-03-26 06:49:08,610 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:08,629 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 06:49:08,629 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:49:08,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 06:49:08,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:08,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:08,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:08,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:08,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:08,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:08,671 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 06:49:08,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:08,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:08,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:08,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:08,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:08,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:08,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:08,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:08,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:08,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:08,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:08,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:08,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:08,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:08,691 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:49:08,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:08,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:08,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:08,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:08,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:08,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:08,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:08,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:08,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:08,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:08,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:08,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:08,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:08,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-03-26 06:49:08,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106339568] [2021-03-26 06:49:08,704 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 06:49:08,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:08,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 06:49:08,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 06:49:08,705 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45 [2021-03-26 06:49:08,705 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 36 transitions, 280 flow. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:08,705 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:08,705 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45 [2021-03-26 06:49:08,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:08,821 INFO L129 PetriNetUnfolder]: 65/126 cut-off events. [2021-03-26 06:49:08,821 INFO L130 PetriNetUnfolder]: For 317/352 co-relation queries the response was YES. [2021-03-26 06:49:08,821 INFO L84 FinitePrefix]: Finished finitePrefix Result has 493 conditions, 126 events. 65/126 cut-off events. For 317/352 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 413 event pairs, 8 based on Foata normal form. 16/139 useless extension candidates. Maximal degree in co-relation 446. Up to 65 conditions per place. [2021-03-26 06:49:08,822 INFO L132 encePairwiseOnDemand]: 39/45 looper letters, 16 selfloop transitions, 18 changer transitions 0/41 dead transitions. [2021-03-26 06:49:08,822 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 41 transitions, 370 flow [2021-03-26 06:49:08,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 06:49:08,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 06:49:08,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 103 transitions. [2021-03-26 06:49:08,824 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4577777777777778 [2021-03-26 06:49:08,824 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 103 transitions. [2021-03-26 06:49:08,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 103 transitions. [2021-03-26 06:49:08,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:08,824 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 103 transitions. [2021-03-26 06:49:08,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:08,826 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 45.0) internal successors, (270), 6 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:08,826 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 45.0) internal successors, (270), 6 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:08,826 INFO L185 Difference]: Start difference. First operand has 38 places, 36 transitions, 280 flow. Second operand 5 states and 103 transitions. [2021-03-26 06:49:08,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 41 transitions, 370 flow [2021-03-26 06:49:08,829 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 41 transitions, 334 flow, removed 7 selfloop flow, removed 2 redundant places. [2021-03-26 06:49:08,830 INFO L241 Difference]: Finished difference. Result has 41 places, 36 transitions, 285 flow [2021-03-26 06:49:08,830 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=285, PETRI_PLACES=41, PETRI_TRANSITIONS=36} [2021-03-26 06:49:08,831 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 20 predicate places. [2021-03-26 06:49:08,831 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:08,831 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 36 transitions, 285 flow [2021-03-26 06:49:08,831 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 36 transitions, 285 flow [2021-03-26 06:49:08,831 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 36 transitions, 285 flow [2021-03-26 06:49:08,836 INFO L129 PetriNetUnfolder]: 26/71 cut-off events. [2021-03-26 06:49:08,836 INFO L130 PetriNetUnfolder]: For 122/122 co-relation queries the response was YES. [2021-03-26 06:49:08,837 INFO L84 FinitePrefix]: Finished finitePrefix Result has 230 conditions, 71 events. 26/71 cut-off events. For 122/122 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 212 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 188. Up to 32 conditions per place. [2021-03-26 06:49:08,837 INFO L142 LiptonReduction]: Number of co-enabled transitions 132 [2021-03-26 06:49:08,840 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:08,840 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:08,840 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-03-26 06:49:08,841 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 36 transitions, 285 flow [2021-03-26 06:49:08,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:08,841 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:08,842 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:09,063 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:09,064 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:09,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:09,064 INFO L82 PathProgramCache]: Analyzing trace with hash 15641109, now seen corresponding path program 1 times [2021-03-26 06:49:09,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:09,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628021310] [2021-03-26 06:49:09,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:09,077 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:49:09,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:09,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:09,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:09,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:09,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628021310] [2021-03-26 06:49:09,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 06:49:09,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 06:49:09,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155240972] [2021-03-26 06:49:09,086 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 06:49:09,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:09,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 06:49:09,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 06:49:09,087 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 45 [2021-03-26 06:49:09,087 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 36 transitions, 285 flow. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:09,088 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:09,088 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 45 [2021-03-26 06:49:09,088 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:09,126 INFO L129 PetriNetUnfolder]: 78/152 cut-off events. [2021-03-26 06:49:09,126 INFO L130 PetriNetUnfolder]: For 437/485 co-relation queries the response was YES. [2021-03-26 06:49:09,127 INFO L84 FinitePrefix]: Finished finitePrefix Result has 567 conditions, 152 events. 78/152 cut-off events. For 437/485 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 553 event pairs, 3 based on Foata normal form. 22/170 useless extension candidates. Maximal degree in co-relation 512. Up to 62 conditions per place. [2021-03-26 06:49:09,128 INFO L132 encePairwiseOnDemand]: 40/45 looper letters, 32 selfloop transitions, 15 changer transitions 0/54 dead transitions. [2021-03-26 06:49:09,128 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 54 transitions, 470 flow [2021-03-26 06:49:09,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 06:49:09,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 06:49:09,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 118 transitions. [2021-03-26 06:49:09,129 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5244444444444445 [2021-03-26 06:49:09,129 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 118 transitions. [2021-03-26 06:49:09,129 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 118 transitions. [2021-03-26 06:49:09,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:09,129 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 118 transitions. [2021-03-26 06:49:09,130 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:09,130 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 45.0) internal successors, (270), 6 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:09,130 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 45.0) internal successors, (270), 6 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:09,130 INFO L185 Difference]: Start difference. First operand has 41 places, 36 transitions, 285 flow. Second operand 5 states and 118 transitions. [2021-03-26 06:49:09,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 54 transitions, 470 flow [2021-03-26 06:49:09,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 54 transitions, 444 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 06:49:09,133 INFO L241 Difference]: Finished difference. Result has 45 places, 43 transitions, 357 flow [2021-03-26 06:49:09,133 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=261, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=357, PETRI_PLACES=45, PETRI_TRANSITIONS=43} [2021-03-26 06:49:09,133 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 24 predicate places. [2021-03-26 06:49:09,134 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:09,134 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 43 transitions, 357 flow [2021-03-26 06:49:09,134 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 43 transitions, 357 flow [2021-03-26 06:49:09,134 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 43 transitions, 357 flow [2021-03-26 06:49:09,141 INFO L129 PetriNetUnfolder]: 41/103 cut-off events. [2021-03-26 06:49:09,141 INFO L130 PetriNetUnfolder]: For 222/233 co-relation queries the response was YES. [2021-03-26 06:49:09,141 INFO L84 FinitePrefix]: Finished finitePrefix Result has 363 conditions, 103 events. 41/103 cut-off events. For 222/233 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 373 event pairs, 0 based on Foata normal form. 5/106 useless extension candidates. Maximal degree in co-relation 309. Up to 46 conditions per place. [2021-03-26 06:49:09,142 INFO L142 LiptonReduction]: Number of co-enabled transitions 146 [2021-03-26 06:49:09,145 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:09,145 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:09,145 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-03-26 06:49:09,146 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 43 transitions, 357 flow [2021-03-26 06:49:09,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:09,146 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:09,146 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:09,146 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 06:49:09,146 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:09,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:09,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1387511502, now seen corresponding path program 1 times [2021-03-26 06:49:09,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:09,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280487499] [2021-03-26 06:49:09,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:09,164 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 06:49:09,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:09,171 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:49:09,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:09,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:09,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:09,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:09,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280487499] [2021-03-26 06:49:09,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 06:49:09,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 06:49:09,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238125380] [2021-03-26 06:49:09,181 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 06:49:09,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:09,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 06:49:09,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 06:49:09,182 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 45 [2021-03-26 06:49:09,183 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 43 transitions, 357 flow. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:09,183 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:09,183 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 45 [2021-03-26 06:49:09,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:09,236 INFO L129 PetriNetUnfolder]: 93/187 cut-off events. [2021-03-26 06:49:09,237 INFO L130 PetriNetUnfolder]: For 680/741 co-relation queries the response was YES. [2021-03-26 06:49:09,237 INFO L84 FinitePrefix]: Finished finitePrefix Result has 790 conditions, 187 events. 93/187 cut-off events. For 680/741 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 718 event pairs, 6 based on Foata normal form. 32/214 useless extension candidates. Maximal degree in co-relation 724. Up to 76 conditions per place. [2021-03-26 06:49:09,238 INFO L132 encePairwiseOnDemand]: 40/45 looper letters, 46 selfloop transitions, 15 changer transitions 4/72 dead transitions. [2021-03-26 06:49:09,238 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 72 transitions, 704 flow [2021-03-26 06:49:09,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 06:49:09,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 06:49:09,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 141 transitions. [2021-03-26 06:49:09,240 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5222222222222223 [2021-03-26 06:49:09,240 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 141 transitions. [2021-03-26 06:49:09,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 141 transitions. [2021-03-26 06:49:09,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:09,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 141 transitions. [2021-03-26 06:49:09,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:09,241 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 45.0) internal successors, (315), 7 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:09,241 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 45.0) internal successors, (315), 7 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:09,241 INFO L185 Difference]: Start difference. First operand has 45 places, 43 transitions, 357 flow. Second operand 6 states and 141 transitions. [2021-03-26 06:49:09,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 72 transitions, 704 flow [2021-03-26 06:49:09,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 72 transitions, 684 flow, removed 10 selfloop flow, removed 0 redundant places. [2021-03-26 06:49:09,245 INFO L241 Difference]: Finished difference. Result has 52 places, 48 transitions, 443 flow [2021-03-26 06:49:09,246 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=347, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=443, PETRI_PLACES=52, PETRI_TRANSITIONS=48} [2021-03-26 06:49:09,246 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 31 predicate places. [2021-03-26 06:49:09,246 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:09,246 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 48 transitions, 443 flow [2021-03-26 06:49:09,246 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 48 transitions, 443 flow [2021-03-26 06:49:09,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 48 transitions, 443 flow [2021-03-26 06:49:09,256 INFO L129 PetriNetUnfolder]: 51/132 cut-off events. [2021-03-26 06:49:09,256 INFO L130 PetriNetUnfolder]: For 351/358 co-relation queries the response was YES. [2021-03-26 06:49:09,256 INFO L84 FinitePrefix]: Finished finitePrefix Result has 522 conditions, 132 events. 51/132 cut-off events. For 351/358 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 551 event pairs, 0 based on Foata normal form. 2/132 useless extension candidates. Maximal degree in co-relation 449. Up to 59 conditions per place. [2021-03-26 06:49:09,257 INFO L142 LiptonReduction]: Number of co-enabled transitions 136 [2021-03-26 06:49:09,261 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:09,261 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:09,261 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-03-26 06:49:09,261 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 48 transitions, 443 flow [2021-03-26 06:49:09,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:09,262 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:09,262 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:09,262 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 06:49:09,262 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:09,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:09,262 INFO L82 PathProgramCache]: Analyzing trace with hash -779472368, now seen corresponding path program 2 times [2021-03-26 06:49:09,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:09,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242218850] [2021-03-26 06:49:09,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:09,276 INFO L142 QuantifierPusher]: treesize reduction 12, result has 57.1 percent of original size [2021-03-26 06:49:09,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:09,285 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:49:09,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:09,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:09,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:09,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:09,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242218850] [2021-03-26 06:49:09,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 06:49:09,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 06:49:09,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799633355] [2021-03-26 06:49:09,296 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 06:49:09,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:09,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 06:49:09,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 06:49:09,297 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 45 [2021-03-26 06:49:09,297 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 48 transitions, 443 flow. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:09,297 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:09,297 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 45 [2021-03-26 06:49:09,297 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:09,346 INFO L129 PetriNetUnfolder]: 92/185 cut-off events. [2021-03-26 06:49:09,346 INFO L130 PetriNetUnfolder]: For 960/1000 co-relation queries the response was YES. [2021-03-26 06:49:09,347 INFO L84 FinitePrefix]: Finished finitePrefix Result has 930 conditions, 185 events. 92/185 cut-off events. For 960/1000 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 710 event pairs, 18 based on Foata normal form. 19/203 useless extension candidates. Maximal degree in co-relation 856. Up to 125 conditions per place. [2021-03-26 06:49:09,348 INFO L132 encePairwiseOnDemand]: 40/45 looper letters, 33 selfloop transitions, 12 changer transitions 3/54 dead transitions. [2021-03-26 06:49:09,348 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 54 transitions, 595 flow [2021-03-26 06:49:09,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 06:49:09,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 06:49:09,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 76 transitions. [2021-03-26 06:49:09,349 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4222222222222222 [2021-03-26 06:49:09,349 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 76 transitions. [2021-03-26 06:49:09,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 76 transitions. [2021-03-26 06:49:09,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:09,349 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 76 transitions. [2021-03-26 06:49:09,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:09,350 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 45.0) internal successors, (225), 5 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:09,350 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 45.0) internal successors, (225), 5 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:09,350 INFO L185 Difference]: Start difference. First operand has 52 places, 48 transitions, 443 flow. Second operand 4 states and 76 transitions. [2021-03-26 06:49:09,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 54 transitions, 595 flow [2021-03-26 06:49:09,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 54 transitions, 587 flow, removed 4 selfloop flow, removed 0 redundant places. [2021-03-26 06:49:09,355 INFO L241 Difference]: Finished difference. Result has 56 places, 47 transitions, 470 flow [2021-03-26 06:49:09,355 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=429, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=470, PETRI_PLACES=56, PETRI_TRANSITIONS=47} [2021-03-26 06:49:09,355 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 35 predicate places. [2021-03-26 06:49:09,355 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:09,355 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 47 transitions, 470 flow [2021-03-26 06:49:09,356 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 47 transitions, 470 flow [2021-03-26 06:49:09,356 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 47 transitions, 470 flow [2021-03-26 06:49:09,365 INFO L129 PetriNetUnfolder]: 51/125 cut-off events. [2021-03-26 06:49:09,365 INFO L130 PetriNetUnfolder]: For 483/497 co-relation queries the response was YES. [2021-03-26 06:49:09,366 INFO L84 FinitePrefix]: Finished finitePrefix Result has 552 conditions, 125 events. 51/125 cut-off events. For 483/497 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 489 event pairs, 0 based on Foata normal form. 4/128 useless extension candidates. Maximal degree in co-relation 483. Up to 60 conditions per place. [2021-03-26 06:49:09,367 INFO L142 LiptonReduction]: Number of co-enabled transitions 134 [2021-03-26 06:49:09,370 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:09,370 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:09,370 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-03-26 06:49:09,371 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 47 transitions, 470 flow [2021-03-26 06:49:09,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:09,371 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:09,371 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:09,371 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 06:49:09,371 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:09,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:09,372 INFO L82 PathProgramCache]: Analyzing trace with hash -278650893, now seen corresponding path program 2 times [2021-03-26 06:49:09,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:09,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031899959] [2021-03-26 06:49:09,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:09,385 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-26 06:49:09,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:09,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:09,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:09,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:09,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031899959] [2021-03-26 06:49:09,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [756986945] [2021-03-26 06:49:09,396 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:09,419 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:49:09,419 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:49:09,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-26 06:49:09,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:09,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:09,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:09,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:09,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:09,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:09,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:09,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:09,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:09,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:09,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:09,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:09,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:09,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:09,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:09,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:09,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:09,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:09,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:09,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:09,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:09,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:09,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:09,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:09,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:09,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:09,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:09,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:09,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:09,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:09,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:09,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:09,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:09,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:09,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:09,461 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:49:09,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:09,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:09,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:09,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:09,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:09,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:09,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:09,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:09,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:09,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:09,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:09,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:09,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:09,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:09,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:09,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-03-26 06:49:09,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293757871] [2021-03-26 06:49:09,471 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 06:49:09,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:09,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 06:49:09,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 06:49:09,472 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 45 [2021-03-26 06:49:09,472 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 47 transitions, 470 flow. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:09,472 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:09,473 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 45 [2021-03-26 06:49:09,473 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:09,532 INFO L129 PetriNetUnfolder]: 93/178 cut-off events. [2021-03-26 06:49:09,532 INFO L130 PetriNetUnfolder]: For 1273/1338 co-relation queries the response was YES. [2021-03-26 06:49:09,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 999 conditions, 178 events. 93/178 cut-off events. For 1273/1338 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 652 event pairs, 14 based on Foata normal form. 36/210 useless extension candidates. Maximal degree in co-relation 932. Up to 108 conditions per place. [2021-03-26 06:49:09,534 INFO L132 encePairwiseOnDemand]: 40/45 looper letters, 30 selfloop transitions, 16 changer transitions 2/54 dead transitions. [2021-03-26 06:49:09,534 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 54 transitions, 634 flow [2021-03-26 06:49:09,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 06:49:09,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 06:49:09,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 100 transitions. [2021-03-26 06:49:09,535 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4444444444444444 [2021-03-26 06:49:09,535 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 100 transitions. [2021-03-26 06:49:09,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 100 transitions. [2021-03-26 06:49:09,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:09,535 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 100 transitions. [2021-03-26 06:49:09,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:09,536 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 45.0) internal successors, (270), 6 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:09,536 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 45.0) internal successors, (270), 6 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:09,536 INFO L185 Difference]: Start difference. First operand has 56 places, 47 transitions, 470 flow. Second operand 5 states and 100 transitions. [2021-03-26 06:49:09,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 54 transitions, 634 flow [2021-03-26 06:49:09,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 54 transitions, 605 flow, removed 5 selfloop flow, removed 2 redundant places. [2021-03-26 06:49:09,543 INFO L241 Difference]: Finished difference. Result has 59 places, 46 transitions, 488 flow [2021-03-26 06:49:09,543 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=435, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=488, PETRI_PLACES=59, PETRI_TRANSITIONS=46} [2021-03-26 06:49:09,543 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 38 predicate places. [2021-03-26 06:49:09,543 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:09,543 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 46 transitions, 488 flow [2021-03-26 06:49:09,544 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 46 transitions, 488 flow [2021-03-26 06:49:09,544 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 46 transitions, 488 flow [2021-03-26 06:49:09,553 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([101] L39-->L39: Formula: (and (= v_k_19 (+ v_k_20 1)) (< v_k_20 v_N_12) (= (+ (select v_A_16 v_k_20) v_res2_36) v_res2_35)) InVars {A=v_A_16, N=v_N_12, k=v_k_20, res2=v_res2_36} OutVars{A=v_A_16, N=v_N_12, k=v_k_19, res2=v_res2_35} AuxVars[] AssignedVars[k, res2][42], [Black: 190#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ k 1) N)), Black: 91#(and (<= k i) (<= k M) (<= j i)), Black: 250#(and (= M k) (= i 0) (<= 0 M)), Black: 93#(and (<= k i) (<= k M) (<= j i) (<= (+ k 1) N)), Black: 254#(and (= M k) (= i 0) (<= 0 M) (<= N M)), 98#true, Black: 262#(<= (+ i 1) N), 265#true, 10#thread1EXITtrue, 13#L54true, Black: 236#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ j 1) M)), 239#true, Black: 45#(= res2 res1), 48#true, Black: 141#(and (<= k M) (<= j i) (<= N M)), Black: 143#(and (<= k M) (<= j i) (<= (+ j 1) M) (<= N M)), Black: 304#(and (<= (+ i 1) N) (<= M N) (<= i j)), Black: 241#(and (= j i) (<= M N)), 23#L39true, Black: 244#(and (= j i) (<= M N) (<= M j)), 248#true, 25#L30true, Black: 56#(and (<= k M) (<= j i))]) [2021-03-26 06:49:09,553 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 06:49:09,553 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 06:49:09,553 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 06:49:09,553 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 06:49:09,558 INFO L129 PetriNetUnfolder]: 57/127 cut-off events. [2021-03-26 06:49:09,558 INFO L130 PetriNetUnfolder]: For 645/657 co-relation queries the response was YES. [2021-03-26 06:49:09,558 INFO L84 FinitePrefix]: Finished finitePrefix Result has 621 conditions, 127 events. 57/127 cut-off events. For 645/657 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 471 event pairs, 1 based on Foata normal form. 1/122 useless extension candidates. Maximal degree in co-relation 561. Up to 68 conditions per place. [2021-03-26 06:49:09,559 INFO L142 LiptonReduction]: Number of co-enabled transitions 126 [2021-03-26 06:49:09,563 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:09,563 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:09,563 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-03-26 06:49:09,563 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 46 transitions, 488 flow [2021-03-26 06:49:09,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:09,565 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:09,565 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:09,779 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:09,780 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:09,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:09,780 INFO L82 PathProgramCache]: Analyzing trace with hash 446189161, now seen corresponding path program 5 times [2021-03-26 06:49:09,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:09,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742331219] [2021-03-26 06:49:09,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:09,797 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-03-26 06:49:09,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:09,804 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-26 06:49:09,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:09,811 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:49:09,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:09,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:09,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:09,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742331219] [2021-03-26 06:49:09,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 06:49:09,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 06:49:09,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005388934] [2021-03-26 06:49:09,820 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 06:49:09,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:09,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 06:49:09,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-26 06:49:09,821 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 45 [2021-03-26 06:49:09,821 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 46 transitions, 488 flow. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:09,821 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:09,821 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 45 [2021-03-26 06:49:09,821 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:09,879 INFO L129 PetriNetUnfolder]: 94/177 cut-off events. [2021-03-26 06:49:09,880 INFO L130 PetriNetUnfolder]: For 1374/1383 co-relation queries the response was YES. [2021-03-26 06:49:09,880 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1039 conditions, 177 events. 94/177 cut-off events. For 1374/1383 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 617 event pairs, 17 based on Foata normal form. 6/182 useless extension candidates. Maximal degree in co-relation 972. Up to 144 conditions per place. [2021-03-26 06:49:09,881 INFO L132 encePairwiseOnDemand]: 38/45 looper letters, 30 selfloop transitions, 10 changer transitions 3/49 dead transitions. [2021-03-26 06:49:09,881 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 49 transitions, 602 flow [2021-03-26 06:49:09,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 06:49:09,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 06:49:09,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 89 transitions. [2021-03-26 06:49:09,882 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39555555555555555 [2021-03-26 06:49:09,883 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 89 transitions. [2021-03-26 06:49:09,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 89 transitions. [2021-03-26 06:49:09,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:09,883 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 89 transitions. [2021-03-26 06:49:09,883 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:09,883 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 45.0) internal successors, (270), 6 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:09,884 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 45.0) internal successors, (270), 6 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:09,884 INFO L185 Difference]: Start difference. First operand has 59 places, 46 transitions, 488 flow. Second operand 5 states and 89 transitions. [2021-03-26 06:49:09,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 49 transitions, 602 flow [2021-03-26 06:49:09,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 49 transitions, 572 flow, removed 5 selfloop flow, removed 2 redundant places. [2021-03-26 06:49:09,888 INFO L241 Difference]: Finished difference. Result has 62 places, 46 transitions, 486 flow [2021-03-26 06:49:09,889 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=458, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=486, PETRI_PLACES=62, PETRI_TRANSITIONS=46} [2021-03-26 06:49:09,889 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 41 predicate places. [2021-03-26 06:49:09,889 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:09,889 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 46 transitions, 486 flow [2021-03-26 06:49:09,890 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 46 transitions, 486 flow [2021-03-26 06:49:09,890 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 46 transitions, 486 flow [2021-03-26 06:49:09,896 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([101] L39-->L39: Formula: (and (= v_k_19 (+ v_k_20 1)) (< v_k_20 v_N_12) (= (+ (select v_A_16 v_k_20) v_res2_36) v_res2_35)) InVars {A=v_A_16, N=v_N_12, k=v_k_20, res2=v_res2_36} OutVars{A=v_A_16, N=v_N_12, k=v_k_19, res2=v_res2_35} AuxVars[] AssignedVars[k, res2][43], [Black: 190#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ k 1) N)), Black: 91#(and (<= k i) (<= k M) (<= j i)), Black: 250#(and (= M k) (= i 0) (<= 0 M)), Black: 93#(and (<= k i) (<= k M) (<= j i) (<= (+ k 1) N)), Black: 254#(and (= M k) (= i 0) (<= 0 M) (<= N M)), 98#true, Black: 262#(<= (+ i 1) N), 10#thread1EXITtrue, 13#L54true, Black: 236#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ j 1) M)), 239#true, Black: 45#(= res2 res1), 48#true, Black: 141#(and (<= k M) (<= j i) (<= N M)), Black: 143#(and (<= k M) (<= j i) (<= (+ j 1) M) (<= N M)), Black: 304#(and (<= (+ i 1) N) (<= M N) (<= i j)), 307#true, Black: 241#(and (= j i) (<= M N)), Black: 244#(and (= j i) (<= M N) (<= M j)), 23#L39true, 248#true, 25#L30true, Black: 313#(and (= j res1) (= M k) (= i res1) (<= N M)), Black: 56#(and (<= k M) (<= j i))]) [2021-03-26 06:49:09,896 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 06:49:09,896 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 06:49:09,897 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 06:49:09,897 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 06:49:09,897 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([101] L39-->L39: Formula: (and (= v_k_19 (+ v_k_20 1)) (< v_k_20 v_N_12) (= (+ (select v_A_16 v_k_20) v_res2_36) v_res2_35)) InVars {A=v_A_16, N=v_N_12, k=v_k_20, res2=v_res2_36} OutVars{A=v_A_16, N=v_N_12, k=v_k_19, res2=v_res2_35} AuxVars[] AssignedVars[k, res2][43], [Black: 190#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ k 1) N)), Black: 91#(and (<= k i) (<= k M) (<= j i)), Black: 250#(and (= M k) (= i 0) (<= 0 M)), Black: 93#(and (<= k i) (<= k M) (<= j i) (<= (+ k 1) N)), Black: 254#(and (= M k) (= i 0) (<= 0 M) (<= N M)), 98#true, 7#thread2EXITtrue, Black: 262#(<= (+ i 1) N), 10#thread1EXITtrue, 13#L54true, Black: 236#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ j 1) M)), Black: 45#(= res2 res1), 48#true, Black: 141#(and (<= k M) (<= j i) (<= N M)), Black: 143#(and (<= k M) (<= j i) (<= (+ j 1) M) (<= N M)), Black: 304#(and (<= (+ i 1) N) (<= M N) (<= i j)), 242#(<= M j), 307#true, Black: 241#(and (= j i) (<= M N)), 23#L39true, Black: 244#(and (= j i) (<= M N) (<= M j)), 248#true, Black: 313#(and (= j res1) (= M k) (= i res1) (<= N M)), Black: 56#(and (<= k M) (<= j i))]) [2021-03-26 06:49:09,897 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 06:49:09,897 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 06:49:09,897 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 06:49:09,897 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 06:49:09,899 INFO L129 PetriNetUnfolder]: 57/125 cut-off events. [2021-03-26 06:49:09,899 INFO L130 PetriNetUnfolder]: For 588/604 co-relation queries the response was YES. [2021-03-26 06:49:09,899 INFO L84 FinitePrefix]: Finished finitePrefix Result has 623 conditions, 125 events. 57/125 cut-off events. For 588/604 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 445 event pairs, 1 based on Foata normal form. 1/118 useless extension candidates. Maximal degree in co-relation 565. Up to 68 conditions per place. [2021-03-26 06:49:09,900 INFO L142 LiptonReduction]: Number of co-enabled transitions 124 [2021-03-26 06:49:09,903 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:09,903 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:09,903 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-03-26 06:49:09,904 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 46 transitions, 486 flow [2021-03-26 06:49:09,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:09,904 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:09,904 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:09,904 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 06:49:09,904 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:09,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:09,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1264424147, now seen corresponding path program 6 times [2021-03-26 06:49:09,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:09,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744736600] [2021-03-26 06:49:09,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:09,936 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-03-26 06:49:09,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:09,942 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:49:09,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:09,949 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:49:09,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:09,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:09,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:09,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:09,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744736600] [2021-03-26 06:49:09,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 06:49:09,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 06:49:09,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322395474] [2021-03-26 06:49:09,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 06:49:09,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:09,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 06:49:09,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-26 06:49:09,956 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 45 [2021-03-26 06:49:09,956 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 46 transitions, 486 flow. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:09,956 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:09,956 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 45 [2021-03-26 06:49:09,956 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:10,015 INFO L129 PetriNetUnfolder]: 91/162 cut-off events. [2021-03-26 06:49:10,015 INFO L130 PetriNetUnfolder]: For 1323/1396 co-relation queries the response was YES. [2021-03-26 06:49:10,016 INFO L84 FinitePrefix]: Finished finitePrefix Result has 975 conditions, 162 events. 91/162 cut-off events. For 1323/1396 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 520 event pairs, 17 based on Foata normal form. 26/185 useless extension candidates. Maximal degree in co-relation 918. Up to 140 conditions per place. [2021-03-26 06:49:10,017 INFO L132 encePairwiseOnDemand]: 39/45 looper letters, 30 selfloop transitions, 9 changer transitions 1/46 dead transitions. [2021-03-26 06:49:10,017 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 46 transitions, 557 flow [2021-03-26 06:49:10,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 06:49:10,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 06:49:10,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 87 transitions. [2021-03-26 06:49:10,018 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38666666666666666 [2021-03-26 06:49:10,018 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 87 transitions. [2021-03-26 06:49:10,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 87 transitions. [2021-03-26 06:49:10,018 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:10,018 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 87 transitions. [2021-03-26 06:49:10,018 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:10,019 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 45.0) internal successors, (270), 6 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:10,019 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 45.0) internal successors, (270), 6 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:10,019 INFO L185 Difference]: Start difference. First operand has 61 places, 46 transitions, 486 flow. Second operand 5 states and 87 transitions. [2021-03-26 06:49:10,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 46 transitions, 557 flow [2021-03-26 06:49:10,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 46 transitions, 529 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-03-26 06:49:10,024 INFO L241 Difference]: Finished difference. Result has 63 places, 45 transitions, 463 flow [2021-03-26 06:49:10,024 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=463, PETRI_PLACES=63, PETRI_TRANSITIONS=45} [2021-03-26 06:49:10,024 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 42 predicate places. [2021-03-26 06:49:10,024 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:10,024 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 45 transitions, 463 flow [2021-03-26 06:49:10,024 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 45 transitions, 463 flow [2021-03-26 06:49:10,025 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 45 transitions, 463 flow [2021-03-26 06:49:10,031 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([101] L39-->L39: Formula: (and (= v_k_19 (+ v_k_20 1)) (< v_k_20 v_N_12) (= (+ (select v_A_16 v_k_20) v_res2_36) v_res2_35)) InVars {A=v_A_16, N=v_N_12, k=v_k_20, res2=v_res2_36} OutVars{A=v_A_16, N=v_N_12, k=v_k_19, res2=v_res2_35} AuxVars[] AssignedVars[k, res2][42], [Black: 250#(and (= M k) (= i 0) (<= 0 M)), Black: 190#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ k 1) N)), Black: 254#(and (= M k) (= i 0) (<= 0 M) (<= N M)), Black: 262#(<= (+ i 1) N), Black: 324#(and (= j res1) (<= k res1) (= M k) (= i res1)), 10#thread1EXITtrue, 13#L54true, Black: 141#(and (<= k M) (<= j i) (<= N M)), Black: 143#(and (<= k M) (<= j i) (<= (+ j 1) M) (<= N M)), 23#L39true, 25#L30true, Black: 56#(and (<= k M) (<= j i)), Black: 91#(and (<= k i) (<= k M) (<= j i)), Black: 93#(and (<= k i) (<= k M) (<= j i) (<= (+ k 1) N)), 98#true, Black: 236#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ j 1) M)), 239#true, Black: 45#(= res2 res1), 48#true, Black: 304#(and (<= (+ i 1) N) (<= M N) (<= i j)), Black: 241#(and (= j i) (<= M N)), Black: 244#(and (= j i) (<= M N) (<= M j)), 248#true, Black: 313#(and (= j res1) (= M k) (= i res1) (<= N M)), 318#true]) [2021-03-26 06:49:10,031 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 06:49:10,031 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 06:49:10,031 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 06:49:10,031 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 06:49:10,033 INFO L129 PetriNetUnfolder]: 56/116 cut-off events. [2021-03-26 06:49:10,033 INFO L130 PetriNetUnfolder]: For 606/623 co-relation queries the response was YES. [2021-03-26 06:49:10,033 INFO L84 FinitePrefix]: Finished finitePrefix Result has 581 conditions, 116 events. 56/116 cut-off events. For 606/623 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 392 event pairs, 1 based on Foata normal form. 1/110 useless extension candidates. Maximal degree in co-relation 529. Up to 63 conditions per place. [2021-03-26 06:49:10,034 INFO L142 LiptonReduction]: Number of co-enabled transitions 124 [2021-03-26 06:49:10,037 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:10,037 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:10,037 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-03-26 06:49:10,038 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 45 transitions, 463 flow [2021-03-26 06:49:10,038 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:10,038 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:10,038 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:10,038 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 06:49:10,038 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:10,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:10,038 INFO L82 PathProgramCache]: Analyzing trace with hash 328689869, now seen corresponding path program 1 times [2021-03-26 06:49:10,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:10,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299644424] [2021-03-26 06:49:10,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:10,053 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-26 06:49:10,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:10,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:49:10,067 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 06:49:10,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:10,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299644424] [2021-03-26 06:49:10,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99374054] [2021-03-26 06:49:10,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 06:49:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:10,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 06:49:10,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:10,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:10,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:10,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:10,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:10,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:10,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:10,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:10,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:10,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,125 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-03-26 06:49:10,126 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-03-26 06:49:10,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:10,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:10,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:10,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:10,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:10,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:10,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:10,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:10,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:10,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:10,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:10,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:10,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:10,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:10,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:10,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:10,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:10,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:10,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-26 06:49:10,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:10,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:10,171 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:49:10,172 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:10,172 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:49:10,172 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-03-26 06:49:10,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:10,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:10,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:10,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:10,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-03-26 06:49:10,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771123987] [2021-03-26 06:49:10,200 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 06:49:10,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:10,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 06:49:10,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-26 06:49:10,200 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 45 [2021-03-26 06:49:10,201 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 45 transitions, 463 flow. Second operand has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 7 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:10,201 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:10,201 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 45 [2021-03-26 06:49:10,201 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:10,250 INFO L129 PetriNetUnfolder]: 92/185 cut-off events. [2021-03-26 06:49:10,250 INFO L130 PetriNetUnfolder]: For 1439/1532 co-relation queries the response was YES. [2021-03-26 06:49:10,251 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1090 conditions, 185 events. 92/185 cut-off events. For 1439/1532 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 727 event pairs, 7 based on Foata normal form. 19/198 useless extension candidates. Maximal degree in co-relation 1026. Up to 119 conditions per place. [2021-03-26 06:49:10,252 INFO L132 encePairwiseOnDemand]: 40/45 looper letters, 31 selfloop transitions, 20 changer transitions 0/61 dead transitions. [2021-03-26 06:49:10,252 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 61 transitions, 744 flow [2021-03-26 06:49:10,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 06:49:10,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 06:49:10,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 132 transitions. [2021-03-26 06:49:10,253 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5866666666666667 [2021-03-26 06:49:10,253 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 132 transitions. [2021-03-26 06:49:10,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 132 transitions. [2021-03-26 06:49:10,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:10,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 132 transitions. [2021-03-26 06:49:10,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:10,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 45.0) internal successors, (270), 6 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:10,254 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 45.0) internal successors, (270), 6 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:10,255 INFO L185 Difference]: Start difference. First operand has 62 places, 45 transitions, 463 flow. Second operand 5 states and 132 transitions. [2021-03-26 06:49:10,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 61 transitions, 744 flow [2021-03-26 06:49:10,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 61 transitions, 718 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-03-26 06:49:10,260 INFO L241 Difference]: Finished difference. Result has 65 places, 57 transitions, 657 flow [2021-03-26 06:49:10,260 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=441, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=657, PETRI_PLACES=65, PETRI_TRANSITIONS=57} [2021-03-26 06:49:10,260 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 44 predicate places. [2021-03-26 06:49:10,260 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:10,260 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 57 transitions, 657 flow [2021-03-26 06:49:10,261 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 57 transitions, 657 flow [2021-03-26 06:49:10,261 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 57 transitions, 657 flow [2021-03-26 06:49:10,271 INFO L129 PetriNetUnfolder]: 67/146 cut-off events. [2021-03-26 06:49:10,271 INFO L130 PetriNetUnfolder]: For 832/852 co-relation queries the response was YES. [2021-03-26 06:49:10,272 INFO L84 FinitePrefix]: Finished finitePrefix Result has 803 conditions, 146 events. 67/146 cut-off events. For 832/852 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 566 event pairs, 1 based on Foata normal form. 3/140 useless extension candidates. Maximal degree in co-relation 738. Up to 75 conditions per place. [2021-03-26 06:49:10,273 INFO L142 LiptonReduction]: Number of co-enabled transitions 176 [2021-03-26 06:49:10,277 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:10,277 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:10,278 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-03-26 06:49:10,278 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 57 transitions, 657 flow [2021-03-26 06:49:10,278 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 7 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:10,278 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:10,278 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:10,499 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:10,499 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:10,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:10,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1344374598, now seen corresponding path program 1 times [2021-03-26 06:49:10,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:10,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899436186] [2021-03-26 06:49:10,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:10,527 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-03-26 06:49:10,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 06:49:10,564 INFO L142 QuantifierPusher]: treesize reduction 13, result has 66.7 percent of original size [2021-03-26 06:49:10,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 06:49:10,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:49:10,581 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 06:49:10,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:10,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899436186] [2021-03-26 06:49:10,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962639086] [2021-03-26 06:49:10,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 06:49:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:10,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-26 06:49:10,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:10,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:10,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:10,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:10,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:10,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:10,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:10,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:10,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:10,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,641 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-26 06:49:10,641 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-03-26 06:49:10,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:49:10,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:49:10,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:49:10,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:49:10,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:49:10,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:49:10,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:49:10,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:49:10,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:49:10,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:49:10,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:49:10,665 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 06:49:10,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 06:49:10,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:10,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:10,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:49:10,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:49:10,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:49:10,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:49:10,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:49:10,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:49:10,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:49:10,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:10,694 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-03-26 06:49:10,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 06:49:10,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 06:49:10,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:10,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 06:49:10,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 06:49:10,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:10,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:10,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:49:10,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 06:49:10,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:10,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 06:49:10,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 06:49:10,718 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-03-26 06:49:10,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2021-03-26 06:49:10,719 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-26 06:49:10,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:10,721 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-26 06:49:10,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:10,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:10,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:10,724 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:49:10,727 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:10,730 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:49:10,730 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:3 [2021-03-26 06:49:10,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:10,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:10,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:10,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:10,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:10,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:10,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-03-26 06:49:10,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025674574] [2021-03-26 06:49:10,747 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 06:49:10,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:10,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 06:49:10,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-26 06:49:10,748 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 45 [2021-03-26 06:49:10,748 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 57 transitions, 657 flow. Second operand has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:10,748 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:10,749 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 45 [2021-03-26 06:49:10,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:10,888 INFO L129 PetriNetUnfolder]: 132/239 cut-off events. [2021-03-26 06:49:10,888 INFO L130 PetriNetUnfolder]: For 2408/2547 co-relation queries the response was YES. [2021-03-26 06:49:10,889 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1520 conditions, 239 events. 132/239 cut-off events. For 2408/2547 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 932 event pairs, 16 based on Foata normal form. 30/267 useless extension candidates. Maximal degree in co-relation 1448. Up to 188 conditions per place. [2021-03-26 06:49:10,891 INFO L132 encePairwiseOnDemand]: 39/45 looper letters, 39 selfloop transitions, 20 changer transitions 0/65 dead transitions. [2021-03-26 06:49:10,891 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 65 transitions, 874 flow [2021-03-26 06:49:10,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 06:49:10,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 06:49:10,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 111 transitions. [2021-03-26 06:49:10,892 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4111111111111111 [2021-03-26 06:49:10,892 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 111 transitions. [2021-03-26 06:49:10,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 111 transitions. [2021-03-26 06:49:10,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:10,892 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 111 transitions. [2021-03-26 06:49:10,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 18.5) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:10,893 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 45.0) internal successors, (315), 7 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:10,893 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 45.0) internal successors, (315), 7 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:10,893 INFO L185 Difference]: Start difference. First operand has 65 places, 57 transitions, 657 flow. Second operand 6 states and 111 transitions. [2021-03-26 06:49:10,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 65 transitions, 874 flow [2021-03-26 06:49:10,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 65 transitions, 832 flow, removed 17 selfloop flow, removed 1 redundant places. [2021-03-26 06:49:10,903 INFO L241 Difference]: Finished difference. Result has 71 places, 60 transitions, 726 flow [2021-03-26 06:49:10,903 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=615, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=726, PETRI_PLACES=71, PETRI_TRANSITIONS=60} [2021-03-26 06:49:10,903 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 50 predicate places. [2021-03-26 06:49:10,903 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:10,903 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 60 transitions, 726 flow [2021-03-26 06:49:10,903 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 60 transitions, 726 flow [2021-03-26 06:49:10,904 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 60 transitions, 726 flow [2021-03-26 06:49:10,914 INFO L129 PetriNetUnfolder]: 66/147 cut-off events. [2021-03-26 06:49:10,914 INFO L130 PetriNetUnfolder]: For 951/974 co-relation queries the response was YES. [2021-03-26 06:49:10,915 INFO L84 FinitePrefix]: Finished finitePrefix Result has 835 conditions, 147 events. 66/147 cut-off events. For 951/974 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 587 event pairs, 1 based on Foata normal form. 2/140 useless extension candidates. Maximal degree in co-relation 764. Up to 60 conditions per place. [2021-03-26 06:49:10,916 INFO L142 LiptonReduction]: Number of co-enabled transitions 188 [2021-03-26 06:49:10,972 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-26 06:49:10,972 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 06:49:10,972 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 69 [2021-03-26 06:49:10,973 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 60 transitions, 736 flow [2021-03-26 06:49:10,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:10,973 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:10,973 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:11,189 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:11,190 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:11,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:11,190 INFO L82 PathProgramCache]: Analyzing trace with hash -2061109720, now seen corresponding path program 2 times [2021-03-26 06:49:11,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:11,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411476585] [2021-03-26 06:49:11,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:11,218 INFO L142 QuantifierPusher]: treesize reduction 41, result has 43.8 percent of original size [2021-03-26 06:49:11,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 06:49:11,248 INFO L142 QuantifierPusher]: treesize reduction 9, result has 79.5 percent of original size [2021-03-26 06:49:11,250 INFO L147 QuantifierPusher]: treesize reduction 5, result has 85.7 percent of original size 30 [2021-03-26 06:49:11,282 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-26 06:49:11,283 INFO L147 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size 26 [2021-03-26 06:49:11,305 INFO L142 QuantifierPusher]: treesize reduction 17, result has 34.6 percent of original size [2021-03-26 06:49:11,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:11,313 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 06:49:11,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:11,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:11,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411476585] [2021-03-26 06:49:11,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220243958] [2021-03-26 06:49:11,314 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 06:49:11,344 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:49:11,345 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:49:11,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 17 conjunts are in the unsatisfiable core [2021-03-26 06:49:11,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:11,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:11,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:11,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:11,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:11,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:11,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:11,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:11,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:11,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:11,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:11,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:11,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:11,385 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-26 06:49:11,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:49:11,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:11,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:11,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:49:11,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:11,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:11,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:11,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:11,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:11,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:11,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:11,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:11,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:11,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:11,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:11,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:11,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:49:11,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:11,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:11,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:11,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:49:11,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 06:49:11,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:11,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:11,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:11,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:11,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:11,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:11,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:11,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:11,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:11,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:49:11,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:49:11,430 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-26 06:49:11,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-26 06:49:11,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:11,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:11,432 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:49:11,436 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:11,438 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:49:11,438 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:3 [2021-03-26 06:49:11,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:11,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:11,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:11,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:11,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:11,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:11,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:11,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:11,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:11,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:11,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:11,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:11,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:11,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:11,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:11,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:11,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:11,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:11,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:11,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:11,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:11,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:11,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:11,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:11,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-03-26 06:49:11,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674357917] [2021-03-26 06:49:11,457 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 06:49:11,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:11,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 06:49:11,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-03-26 06:49:11,458 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 46 [2021-03-26 06:49:11,458 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 60 transitions, 736 flow. Second operand has 9 states, 9 states have (on average 16.22222222222222) internal successors, (146), 9 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:11,458 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:11,458 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 46 [2021-03-26 06:49:11,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:11,650 INFO L129 PetriNetUnfolder]: 134/255 cut-off events. [2021-03-26 06:49:11,650 INFO L130 PetriNetUnfolder]: For 2523/2628 co-relation queries the response was YES. [2021-03-26 06:49:11,651 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1585 conditions, 255 events. 134/255 cut-off events. For 2523/2628 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1079 event pairs, 17 based on Foata normal form. 41/296 useless extension candidates. Maximal degree in co-relation 1500. Up to 194 conditions per place. [2021-03-26 06:49:11,653 INFO L132 encePairwiseOnDemand]: 39/46 looper letters, 40 selfloop transitions, 26 changer transitions 2/74 dead transitions. [2021-03-26 06:49:11,653 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 74 transitions, 1059 flow [2021-03-26 06:49:11,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 06:49:11,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 06:49:11,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 120 transitions. [2021-03-26 06:49:11,654 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43478260869565216 [2021-03-26 06:49:11,654 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 120 transitions. [2021-03-26 06:49:11,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 120 transitions. [2021-03-26 06:49:11,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:11,654 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 120 transitions. [2021-03-26 06:49:11,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:11,655 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 46.0) internal successors, (322), 7 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:11,655 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 46.0) internal successors, (322), 7 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:11,655 INFO L185 Difference]: Start difference. First operand has 71 places, 60 transitions, 736 flow. Second operand 6 states and 120 transitions. [2021-03-26 06:49:11,655 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 74 transitions, 1059 flow [2021-03-26 06:49:11,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 74 transitions, 990 flow, removed 11 selfloop flow, removed 3 redundant places. [2021-03-26 06:49:11,661 INFO L241 Difference]: Finished difference. Result has 75 places, 68 transitions, 859 flow [2021-03-26 06:49:11,662 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=678, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=859, PETRI_PLACES=75, PETRI_TRANSITIONS=68} [2021-03-26 06:49:11,662 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 54 predicate places. [2021-03-26 06:49:11,662 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:11,662 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 68 transitions, 859 flow [2021-03-26 06:49:11,662 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 68 transitions, 859 flow [2021-03-26 06:49:11,663 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 68 transitions, 859 flow [2021-03-26 06:49:11,675 INFO L129 PetriNetUnfolder]: 73/167 cut-off events. [2021-03-26 06:49:11,675 INFO L130 PetriNetUnfolder]: For 1262/1274 co-relation queries the response was YES. [2021-03-26 06:49:11,676 INFO L84 FinitePrefix]: Finished finitePrefix Result has 978 conditions, 167 events. 73/167 cut-off events. For 1262/1274 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 722 event pairs, 1 based on Foata normal form. 3/167 useless extension candidates. Maximal degree in co-relation 898. Up to 64 conditions per place. [2021-03-26 06:49:11,677 INFO L142 LiptonReduction]: Number of co-enabled transitions 184 [2021-03-26 06:49:11,684 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:11,684 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:11,684 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22 [2021-03-26 06:49:11,684 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 68 transitions, 859 flow [2021-03-26 06:49:11,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 16.22222222222222) internal successors, (146), 9 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:11,684 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:11,684 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:11,905 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-03-26 06:49:11,906 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:11,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:11,906 INFO L82 PathProgramCache]: Analyzing trace with hash -839650655, now seen corresponding path program 1 times [2021-03-26 06:49:11,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:11,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340369835] [2021-03-26 06:49:11,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:11,925 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-26 06:49:11,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:11,938 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:11,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:11,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:11,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:11,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:11,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:11,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340369835] [2021-03-26 06:49:11,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134207144] [2021-03-26 06:49:11,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:11,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 06:49:11,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:11,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:11,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:11,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:11,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:11,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:11,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:11,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:12,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:12,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:12,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:12,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:12,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:12,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:12,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:12,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:12,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:12,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:12,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:12,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:12,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:12,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:12,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:12,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:12,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:12,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:12,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:12,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:12,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:12,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:12,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:12,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:12,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:12,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:12,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:12,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:12,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:12,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:12,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:12,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:12,039 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 06:49:12,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:12,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:12,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:12,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:12,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:12,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:12,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:12,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:12,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:12,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:12,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:12,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:12,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:12,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:12,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:12,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:12,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:12,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:12,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:12,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:12,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-03-26 06:49:12,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738090672] [2021-03-26 06:49:12,053 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 06:49:12,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:12,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 06:49:12,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-03-26 06:49:12,054 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 46 [2021-03-26 06:49:12,054 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 68 transitions, 859 flow. Second operand has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:12,054 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:12,054 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 46 [2021-03-26 06:49:12,054 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:12,172 INFO L129 PetriNetUnfolder]: 172/329 cut-off events. [2021-03-26 06:49:12,172 INFO L130 PetriNetUnfolder]: For 3371/3420 co-relation queries the response was YES. [2021-03-26 06:49:12,173 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2128 conditions, 329 events. 172/329 cut-off events. For 3371/3420 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1457 event pairs, 25 based on Foata normal form. 15/344 useless extension candidates. Maximal degree in co-relation 2011. Up to 130 conditions per place. [2021-03-26 06:49:12,176 INFO L132 encePairwiseOnDemand]: 41/46 looper letters, 57 selfloop transitions, 29 changer transitions 0/92 dead transitions. [2021-03-26 06:49:12,176 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 92 transitions, 1325 flow [2021-03-26 06:49:12,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 06:49:12,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 06:49:12,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 156 transitions. [2021-03-26 06:49:12,177 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.484472049689441 [2021-03-26 06:49:12,177 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 156 transitions. [2021-03-26 06:49:12,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 156 transitions. [2021-03-26 06:49:12,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:12,177 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 156 transitions. [2021-03-26 06:49:12,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 22.285714285714285) internal successors, (156), 7 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:12,178 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 46.0) internal successors, (368), 8 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:12,178 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 46.0) internal successors, (368), 8 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:12,178 INFO L185 Difference]: Start difference. First operand has 75 places, 68 transitions, 859 flow. Second operand 7 states and 156 transitions. [2021-03-26 06:49:12,178 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 92 transitions, 1325 flow [2021-03-26 06:49:12,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 92 transitions, 1253 flow, removed 22 selfloop flow, removed 2 redundant places. [2021-03-26 06:49:12,188 INFO L241 Difference]: Finished difference. Result has 81 places, 72 transitions, 959 flow [2021-03-26 06:49:12,188 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=787, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=959, PETRI_PLACES=81, PETRI_TRANSITIONS=72} [2021-03-26 06:49:12,188 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 60 predicate places. [2021-03-26 06:49:12,188 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:12,188 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 72 transitions, 959 flow [2021-03-26 06:49:12,188 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 72 transitions, 959 flow [2021-03-26 06:49:12,189 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 72 transitions, 959 flow [2021-03-26 06:49:12,206 INFO L129 PetriNetUnfolder]: 94/220 cut-off events. [2021-03-26 06:49:12,207 INFO L130 PetriNetUnfolder]: For 1935/1945 co-relation queries the response was YES. [2021-03-26 06:49:12,207 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1297 conditions, 220 events. 94/220 cut-off events. For 1935/1945 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1045 event pairs, 1 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 1188. Up to 81 conditions per place. [2021-03-26 06:49:12,209 INFO L142 LiptonReduction]: Number of co-enabled transitions 200 [2021-03-26 06:49:12,216 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:12,217 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:12,217 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-03-26 06:49:12,219 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 72 transitions, 959 flow [2021-03-26 06:49:12,219 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:12,219 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:12,219 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:12,435 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-03-26 06:49:12,436 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:12,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:12,436 INFO L82 PathProgramCache]: Analyzing trace with hash -718103178, now seen corresponding path program 3 times [2021-03-26 06:49:12,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:12,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77286250] [2021-03-26 06:49:12,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:12,476 INFO L142 QuantifierPusher]: treesize reduction 41, result has 43.8 percent of original size [2021-03-26 06:49:12,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 06:49:12,505 INFO L142 QuantifierPusher]: treesize reduction 9, result has 79.5 percent of original size [2021-03-26 06:49:12,506 INFO L147 QuantifierPusher]: treesize reduction 5, result has 85.7 percent of original size 30 [2021-03-26 06:49:12,543 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-03-26 06:49:12,544 INFO L147 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size 23 [2021-03-26 06:49:12,578 INFO L142 QuantifierPusher]: treesize reduction 17, result has 34.6 percent of original size [2021-03-26 06:49:12,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:12,588 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 06:49:12,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:12,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:12,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77286250] [2021-03-26 06:49:12,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447327883] [2021-03-26 06:49:12,589 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:12,626 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-26 06:49:12,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:49:12,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 17 conjunts are in the unsatisfiable core [2021-03-26 06:49:12,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:12,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:12,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:12,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:12,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:12,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:12,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:12,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:12,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:12,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,650 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size 18 [2021-03-26 06:49:12,650 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-26 06:49:12,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:49:12,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:49:12,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:49:12,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:49:12,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:49:12,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:49:12,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:49:12,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:49:12,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:49:12,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:49:12,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:49:12,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:49:12,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:12,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:12,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:12,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:12,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:12,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:12,685 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-03-26 06:49:12,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:49:12,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:49:12,688 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-26 06:49:12,694 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:49:12,696 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:49:12,696 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2021-03-26 06:49:12,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:49:12,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:49:12,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:49:12,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:49:12,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:49:12,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:49:12,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:49:12,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:49:12,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:49:12,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:49:12,716 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-26 06:49:12,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:49:12,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:12,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:49:12,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:12,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,721 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 06:49:12,725 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:12,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:12,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:12,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:12,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:12,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:12,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:12,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:12,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:12,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:12,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:12,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:12,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:12,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:12,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:12,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:12,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:12,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:12,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:12,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-03-26 06:49:12,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164147425] [2021-03-26 06:49:12,749 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 06:49:12,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:12,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 06:49:12,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-03-26 06:49:12,752 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 46 [2021-03-26 06:49:12,752 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 72 transitions, 959 flow. Second operand has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:12,752 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:12,752 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 46 [2021-03-26 06:49:12,752 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:12,982 INFO L129 PetriNetUnfolder]: 208/398 cut-off events. [2021-03-26 06:49:12,983 INFO L130 PetriNetUnfolder]: For 4912/4969 co-relation queries the response was YES. [2021-03-26 06:49:12,984 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2648 conditions, 398 events. 208/398 cut-off events. For 4912/4969 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 1904 event pairs, 23 based on Foata normal form. 27/425 useless extension candidates. Maximal degree in co-relation 2516. Up to 256 conditions per place. [2021-03-26 06:49:12,987 INFO L132 encePairwiseOnDemand]: 38/46 looper letters, 49 selfloop transitions, 45 changer transitions 0/100 dead transitions. [2021-03-26 06:49:12,987 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 100 transitions, 1488 flow [2021-03-26 06:49:12,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 06:49:12,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 06:49:12,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 175 transitions. [2021-03-26 06:49:12,988 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4227053140096618 [2021-03-26 06:49:12,989 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 175 transitions. [2021-03-26 06:49:12,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 175 transitions. [2021-03-26 06:49:12,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:12,989 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 175 transitions. [2021-03-26 06:49:12,989 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 19.444444444444443) internal successors, (175), 9 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:12,990 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 46.0) internal successors, (460), 10 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:12,990 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 46.0) internal successors, (460), 10 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:12,990 INFO L185 Difference]: Start difference. First operand has 81 places, 72 transitions, 959 flow. Second operand 9 states and 175 transitions. [2021-03-26 06:49:12,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 100 transitions, 1488 flow [2021-03-26 06:49:13,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 100 transitions, 1436 flow, removed 20 selfloop flow, removed 1 redundant places. [2021-03-26 06:49:13,006 INFO L241 Difference]: Finished difference. Result has 92 places, 88 transitions, 1289 flow [2021-03-26 06:49:13,006 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=922, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1289, PETRI_PLACES=92, PETRI_TRANSITIONS=88} [2021-03-26 06:49:13,006 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 71 predicate places. [2021-03-26 06:49:13,006 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:13,006 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 88 transitions, 1289 flow [2021-03-26 06:49:13,007 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 88 transitions, 1289 flow [2021-03-26 06:49:13,007 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 88 transitions, 1289 flow [2021-03-26 06:49:13,034 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([101] L39-->L39: Formula: (and (= v_k_19 (+ v_k_20 1)) (< v_k_20 v_N_12) (= (+ (select v_A_16 v_k_20) v_res2_36) v_res2_35)) InVars {A=v_A_16, N=v_N_12, k=v_k_20, res2=v_res2_36} OutVars{A=v_A_16, N=v_N_12, k=v_k_19, res2=v_res2_35} AuxVars[] AssignedVars[k, res2][14], [Black: 190#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ k 1) N)), Black: 250#(and (= M k) (= i 0) (<= 0 M)), Black: 254#(and (= M k) (= i 0) (<= 0 M) (<= N M)), Black: 262#(<= (+ i 1) N), Black: 324#(and (= j res1) (<= k res1) (= M k) (= i res1)), 329#true, 10#thread1EXITtrue, Black: 584#(and (or (and (<= (+ M i) N) (< 0 M)) (and (<= res1 res2) (< res2 (+ res1 1)))) (= j 0) (<= 0 M)), Black: 586#(and (= j 0) (<= 0 M) (<= res1 res2) (< res2 (+ res1 1))), 13#L54true, Black: 539#(or (and (= M k) (< 0 M) (<= i 1)) (and (<= (+ (select A k) res2) res1) (<= res1 (+ (select A k) res2)))), Black: 540#(or (and (<= (+ M i) N) (< 0 M)) (and (<= res1 res2) (< res2 (+ res1 1)))), Black: 141#(and (<= k M) (<= j i) (<= N M)), Black: 143#(and (<= k M) (<= j i) (<= (+ j 1) M) (<= N M)), Black: 528#(and (= M k) (<= 0 k) (<= i 1)), Black: 532#(and (< 1 N) (<= 0 k) (<= i 1)), 23#L39true, 536#true, 25#L30true, Black: 56#(and (<= k M) (<= j i)), Black: 435#(and (<= res1 res2) (< res2 (+ res1 1))), Black: 91#(and (<= k i) (<= k M) (<= j i)), Black: 476#(and (<= i (+ res2 1)) (or (= M k) (and (<= (+ (select A k) res2) res1) (<= res1 (+ (select A k) res2)))) (= res1 (+ res2 (select A res2))) (<= 0 k) (= res2 0)), Black: 93#(and (<= k i) (<= k M) (<= j i) (<= (+ k 1) N)), 98#true, 482#true, Black: 391#(and (= M k) (<= res2 0) (<= 0 M) (= res1 (+ res2 (select A res2))) (<= j res2)), Black: 380#(and (<= res1 res2) (< res2 (+ res1 1))), Black: 236#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ j 1) M)), 239#true, Black: 45#(= res2 res1), 48#true, Black: 304#(and (<= (+ i 1) N) (<= M N) (<= i j)), Black: 344#(and (= (+ j (select A j)) res1) (= j 0) (= j res2)), Black: 241#(and (= j i) (<= M N)), Black: 333#(and (<= res1 res2) (< res2 (+ res1 1))), Black: 244#(and (= j i) (<= M N) (<= M j)), 248#true, Black: 313#(and (= j res1) (= M k) (= i res1) (<= N M))]) [2021-03-26 06:49:13,034 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 06:49:13,034 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 06:49:13,034 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 06:49:13,034 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 06:49:13,038 INFO L129 PetriNetUnfolder]: 120/263 cut-off events. [2021-03-26 06:49:13,039 INFO L130 PetriNetUnfolder]: For 2898/2922 co-relation queries the response was YES. [2021-03-26 06:49:13,040 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1730 conditions, 263 events. 120/263 cut-off events. For 2898/2922 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1297 event pairs, 6 based on Foata normal form. 4/257 useless extension candidates. Maximal degree in co-relation 1614. Up to 101 conditions per place. [2021-03-26 06:49:13,043 INFO L142 LiptonReduction]: Number of co-enabled transitions 238 [2021-03-26 06:49:13,053 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:13,054 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:13,054 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48 [2021-03-26 06:49:13,055 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 88 transitions, 1289 flow [2021-03-26 06:49:13,056 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:13,056 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:13,056 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:13,277 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-03-26 06:49:13,277 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:13,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:13,277 INFO L82 PathProgramCache]: Analyzing trace with hash -849084759, now seen corresponding path program 2 times [2021-03-26 06:49:13,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:13,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036364120] [2021-03-26 06:49:13,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:13,303 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:49:13,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:13,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:49:13,317 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 06:49:13,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:13,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036364120] [2021-03-26 06:49:13,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085055580] [2021-03-26 06:49:13,324 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 06:49:13,357 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:49:13,358 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:49:13,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 06:49:13,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:13,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:13,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:13,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:13,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:13,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:13,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:13,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:13,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:13,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:13,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:13,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:13,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:13,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:13,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:13,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:13,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:13,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:13,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:13,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:13,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:13,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:13,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:13,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:13,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:13,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:13,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:13,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:13,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-26 06:49:13,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:13,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:13,404 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:49:13,406 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:13,406 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:49:13,406 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-03-26 06:49:13,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:13,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:13,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:13,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:13,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-03-26 06:49:13,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807804680] [2021-03-26 06:49:13,430 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 06:49:13,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:13,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 06:49:13,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-26 06:49:13,431 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 46 [2021-03-26 06:49:13,431 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 88 transitions, 1289 flow. Second operand has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 7 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:13,431 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:13,431 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 46 [2021-03-26 06:49:13,431 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:13,511 INFO L129 PetriNetUnfolder]: 149/313 cut-off events. [2021-03-26 06:49:13,511 INFO L130 PetriNetUnfolder]: For 4351/4463 co-relation queries the response was YES. [2021-03-26 06:49:13,512 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2319 conditions, 313 events. 149/313 cut-off events. For 4351/4463 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1500 event pairs, 9 based on Foata normal form. 35/345 useless extension candidates. Maximal degree in co-relation 2191. Up to 220 conditions per place. [2021-03-26 06:49:13,518 INFO L132 encePairwiseOnDemand]: 41/46 looper letters, 69 selfloop transitions, 15 changer transitions 0/94 dead transitions. [2021-03-26 06:49:13,519 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 94 transitions, 1547 flow [2021-03-26 06:49:13,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 06:49:13,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 06:49:13,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 132 transitions. [2021-03-26 06:49:13,520 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5739130434782609 [2021-03-26 06:49:13,520 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 132 transitions. [2021-03-26 06:49:13,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 132 transitions. [2021-03-26 06:49:13,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:13,520 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 132 transitions. [2021-03-26 06:49:13,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:13,521 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 46.0) internal successors, (276), 6 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:13,521 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 46.0) internal successors, (276), 6 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:13,521 INFO L185 Difference]: Start difference. First operand has 92 places, 88 transitions, 1289 flow. Second operand 5 states and 132 transitions. [2021-03-26 06:49:13,521 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 94 transitions, 1547 flow [2021-03-26 06:49:13,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 94 transitions, 1366 flow, removed 73 selfloop flow, removed 3 redundant places. [2021-03-26 06:49:13,536 INFO L241 Difference]: Finished difference. Result has 94 places, 91 transitions, 1209 flow [2021-03-26 06:49:13,536 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=1108, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1209, PETRI_PLACES=94, PETRI_TRANSITIONS=91} [2021-03-26 06:49:13,536 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 73 predicate places. [2021-03-26 06:49:13,537 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:13,537 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 91 transitions, 1209 flow [2021-03-26 06:49:13,537 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 91 transitions, 1209 flow [2021-03-26 06:49:13,538 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 91 transitions, 1209 flow [2021-03-26 06:49:13,561 INFO L129 PetriNetUnfolder]: 125/279 cut-off events. [2021-03-26 06:49:13,562 INFO L130 PetriNetUnfolder]: For 2957/2969 co-relation queries the response was YES. [2021-03-26 06:49:13,563 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1763 conditions, 279 events. 125/279 cut-off events. For 2957/2969 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1398 event pairs, 7 based on Foata normal form. 4/273 useless extension candidates. Maximal degree in co-relation 1638. Up to 94 conditions per place. [2021-03-26 06:49:13,566 INFO L142 LiptonReduction]: Number of co-enabled transitions 254 [2021-03-26 06:49:13,577 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:13,577 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:13,577 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 40 [2021-03-26 06:49:13,578 INFO L480 AbstractCegarLoop]: Abstraction has has 94 places, 91 transitions, 1209 flow [2021-03-26 06:49:13,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 7 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:13,578 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:13,578 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:13,791 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-03-26 06:49:13,792 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:13,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:13,792 INFO L82 PathProgramCache]: Analyzing trace with hash 2013791948, now seen corresponding path program 4 times [2021-03-26 06:49:13,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:13,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704025995] [2021-03-26 06:49:13,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:13,814 INFO L142 QuantifierPusher]: treesize reduction 13, result has 72.3 percent of original size [2021-03-26 06:49:13,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 06:49:13,837 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:49:13,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:13,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:49:13,851 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 06:49:13,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:13,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704025995] [2021-03-26 06:49:13,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781075143] [2021-03-26 06:49:13,858 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:13,877 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 06:49:13,877 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:49:13,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 17 conjunts are in the unsatisfiable core [2021-03-26 06:49:13,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:13,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:13,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:13,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:13,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:13,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:13,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:13,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:13,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:13,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:13,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:13,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:13,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:13,900 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-26 06:49:13,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:49:13,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:13,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:13,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:49:13,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:13,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:13,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:13,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:13,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:13,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:13,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:49:13,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:13,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:49:13,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 06:49:13,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:13,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:49:13,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 06:49:13,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:13,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:49:13,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 06:49:13,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:13,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:49:13,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 06:49:13,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:13,955 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-26 06:49:13,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 06:49:13,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 06:49:13,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:13,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 06:49:13,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 06:49:13,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:13,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:13,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 06:49:13,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 06:49:13,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:13,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 06:49:13,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 06:49:13,970 INFO L354 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2021-03-26 06:49:13,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 28 [2021-03-26 06:49:13,970 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-03-26 06:49:13,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:13,972 INFO L142 QuantifierPusher]: treesize reduction 11, result has 52.2 percent of original size [2021-03-26 06:49:13,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:13,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:13,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:13,974 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:49:13,978 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:13,984 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:49:13,984 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:3 [2021-03-26 06:49:13,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:13,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:13,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:13,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:13,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:14,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:14,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:14,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:14,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:14,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:14,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:14,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:14,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-03-26 06:49:14,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426038747] [2021-03-26 06:49:14,003 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 06:49:14,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:14,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 06:49:14,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-03-26 06:49:14,004 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 46 [2021-03-26 06:49:14,004 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 91 transitions, 1209 flow. Second operand has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 9 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:14,004 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:14,004 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 46 [2021-03-26 06:49:14,004 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:14,109 INFO L129 PetriNetUnfolder]: 234/454 cut-off events. [2021-03-26 06:49:14,109 INFO L130 PetriNetUnfolder]: For 5686/5739 co-relation queries the response was YES. [2021-03-26 06:49:14,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3117 conditions, 454 events. 234/454 cut-off events. For 5686/5739 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2274 event pairs, 56 based on Foata normal form. 27/481 useless extension candidates. Maximal degree in co-relation 2964. Up to 367 conditions per place. [2021-03-26 06:49:14,114 INFO L132 encePairwiseOnDemand]: 40/46 looper letters, 79 selfloop transitions, 13 changer transitions 0/98 dead transitions. [2021-03-26 06:49:14,114 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 98 transitions, 1493 flow [2021-03-26 06:49:14,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 06:49:14,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 06:49:14,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 108 transitions. [2021-03-26 06:49:14,115 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.391304347826087 [2021-03-26 06:49:14,115 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 108 transitions. [2021-03-26 06:49:14,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 108 transitions. [2021-03-26 06:49:14,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:14,115 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 108 transitions. [2021-03-26 06:49:14,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:14,116 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 46.0) internal successors, (322), 7 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:14,116 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 46.0) internal successors, (322), 7 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:14,116 INFO L185 Difference]: Start difference. First operand has 94 places, 91 transitions, 1209 flow. Second operand 6 states and 108 transitions. [2021-03-26 06:49:14,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 98 transitions, 1493 flow [2021-03-26 06:49:14,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 98 transitions, 1434 flow, removed 17 selfloop flow, removed 3 redundant places. [2021-03-26 06:49:14,131 INFO L241 Difference]: Finished difference. Result has 98 places, 95 transitions, 1262 flow [2021-03-26 06:49:14,132 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=1150, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1262, PETRI_PLACES=98, PETRI_TRANSITIONS=95} [2021-03-26 06:49:14,132 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 77 predicate places. [2021-03-26 06:49:14,132 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:14,132 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 95 transitions, 1262 flow [2021-03-26 06:49:14,132 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 95 transitions, 1262 flow [2021-03-26 06:49:14,133 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 98 places, 95 transitions, 1262 flow [2021-03-26 06:49:14,156 INFO L129 PetriNetUnfolder]: 129/294 cut-off events. [2021-03-26 06:49:14,156 INFO L130 PetriNetUnfolder]: For 3124/3136 co-relation queries the response was YES. [2021-03-26 06:49:14,158 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1815 conditions, 294 events. 129/294 cut-off events. For 3124/3136 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1520 event pairs, 10 based on Foata normal form. 4/288 useless extension candidates. Maximal degree in co-relation 1714. Up to 100 conditions per place. [2021-03-26 06:49:14,160 INFO L142 LiptonReduction]: Number of co-enabled transitions 262 [2021-03-26 06:49:14,274 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 06:49:14,274 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 06:49:14,275 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 143 [2021-03-26 06:49:14,276 INFO L480 AbstractCegarLoop]: Abstraction has has 98 places, 95 transitions, 1274 flow [2021-03-26 06:49:14,276 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 9 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:14,276 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:14,276 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:14,492 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:14,492 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:14,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:14,493 INFO L82 PathProgramCache]: Analyzing trace with hash -871600740, now seen corresponding path program 5 times [2021-03-26 06:49:14,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:14,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924144799] [2021-03-26 06:49:14,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:14,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:14,527 INFO L142 QuantifierPusher]: treesize reduction 41, result has 43.8 percent of original size [2021-03-26 06:49:14,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 06:49:14,561 INFO L142 QuantifierPusher]: treesize reduction 22, result has 71.8 percent of original size [2021-03-26 06:49:14,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 06:49:14,612 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-03-26 06:49:14,612 INFO L147 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size 23 [2021-03-26 06:49:14,665 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 06:49:14,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:49:14,678 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 06:49:14,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:14,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:14,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924144799] [2021-03-26 06:49:14,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331056494] [2021-03-26 06:49:14,687 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:14,715 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:49:14,715 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:49:14,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-26 06:49:14,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:14,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:14,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:14,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:14,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:14,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:14,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:14,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:14,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:14,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:14,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:14,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:14,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:14,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:14,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:14,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:14,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:14,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:14,740 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-26 06:49:14,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:14,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:49:14,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:14,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:14,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:49:14,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:14,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:14,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:49:14,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:14,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:14,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:49:14,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:14,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:14,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:49:14,763 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-03-26 06:49:14,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:14,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:14,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 06:49:14,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:14,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:14,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 06:49:14,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:14,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:14,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:49:14,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:14,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:14,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:49:14,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:14,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:14,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:49:14,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:14,795 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.9 percent of original size [2021-03-26 06:49:14,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 06:49:14,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 06:49:14,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:14,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 06:49:14,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 06:49:14,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:14,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:14,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 06:49:14,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 06:49:14,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:14,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 06:49:14,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 06:49:14,811 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 34 [2021-03-26 06:49:14,812 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-03-26 06:49:14,815 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 06:49:14,816 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:14,818 INFO L142 QuantifierPusher]: treesize reduction 8, result has 77.8 percent of original size [2021-03-26 06:49:14,819 INFO L147 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size 13 [2021-03-26 06:49:14,819 INFO L147 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size 13 [2021-03-26 06:49:14,820 INFO L142 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size [2021-03-26 06:49:14,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:14,820 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-26 06:49:14,828 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,830 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 06:49:14,831 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:14,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:14,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:14,833 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-26 06:49:14,833 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:36, output treesize:13 [2021-03-26 06:49:14,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:14,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:14,848 INFO L142 QuantifierPusher]: treesize reduction 6, result has 66.7 percent of original size [2021-03-26 06:49:14,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:14,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:14,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:14,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:14,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:14,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:14,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:14,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:14,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:14,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:14,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:14,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:14,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:14,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:14,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:14,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:14,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:14,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:14,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:14,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:14,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:14,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:14,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:14,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:14,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:14,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 06:49:14,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327990366] [2021-03-26 06:49:14,866 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:49:14,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:14,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:49:14,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:49:14,867 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 48 [2021-03-26 06:49:14,868 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 95 transitions, 1274 flow. Second operand has 11 states, 11 states have (on average 15.181818181818182) internal successors, (167), 11 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:14,868 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:14,868 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 48 [2021-03-26 06:49:14,868 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:15,279 INFO L129 PetriNetUnfolder]: 264/519 cut-off events. [2021-03-26 06:49:15,280 INFO L130 PetriNetUnfolder]: For 6533/6566 co-relation queries the response was YES. [2021-03-26 06:49:15,282 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3534 conditions, 519 events. 264/519 cut-off events. For 6533/6566 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 2700 event pairs, 50 based on Foata normal form. 16/535 useless extension candidates. Maximal degree in co-relation 3381. Up to 389 conditions per place. [2021-03-26 06:49:15,285 INFO L132 encePairwiseOnDemand]: 38/48 looper letters, 86 selfloop transitions, 37 changer transitions 3/132 dead transitions. [2021-03-26 06:49:15,285 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 132 transitions, 2074 flow [2021-03-26 06:49:15,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 06:49:15,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 06:49:15,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 205 transitions. [2021-03-26 06:49:15,286 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38825757575757575 [2021-03-26 06:49:15,286 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 205 transitions. [2021-03-26 06:49:15,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 205 transitions. [2021-03-26 06:49:15,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:15,287 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 205 transitions. [2021-03-26 06:49:15,287 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 18.636363636363637) internal successors, (205), 11 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:15,288 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 48.0) internal successors, (576), 12 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:15,288 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 48.0) internal successors, (576), 12 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:15,288 INFO L185 Difference]: Start difference. First operand has 98 places, 95 transitions, 1274 flow. Second operand 11 states and 205 transitions. [2021-03-26 06:49:15,288 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 132 transitions, 2074 flow [2021-03-26 06:49:15,305 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 132 transitions, 1979 flow, removed 42 selfloop flow, removed 2 redundant places. [2021-03-26 06:49:15,308 INFO L241 Difference]: Finished difference. Result has 112 places, 120 transitions, 1744 flow [2021-03-26 06:49:15,308 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=1215, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1744, PETRI_PLACES=112, PETRI_TRANSITIONS=120} [2021-03-26 06:49:15,308 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 91 predicate places. [2021-03-26 06:49:15,308 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:15,309 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 112 places, 120 transitions, 1744 flow [2021-03-26 06:49:15,309 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 112 places, 120 transitions, 1744 flow [2021-03-26 06:49:15,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 112 places, 120 transitions, 1744 flow [2021-03-26 06:49:15,334 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([101] L39-->L39: Formula: (and (= v_k_19 (+ v_k_20 1)) (< v_k_20 v_N_12) (= (+ (select v_A_16 v_k_20) v_res2_36) v_res2_35)) InVars {A=v_A_16, N=v_N_12, k=v_k_20, res2=v_res2_36} OutVars{A=v_A_16, N=v_N_12, k=v_k_19, res2=v_res2_35} AuxVars[] AssignedVars[k, res2][69], [Black: 250#(and (= M k) (= i 0) (<= 0 M)), Black: 254#(and (= M k) (= i 0) (<= 0 M) (<= N M)), Black: 262#(<= (+ i 1) N), 10#thread1EXITtrue, 13#L54true, Black: 141#(and (<= k M) (<= j i) (<= N M)), Black: 143#(and (<= k M) (<= j i) (<= (+ j 1) M) (<= N M)), Black: 528#(and (= M k) (<= 0 k) (<= i 1)), 23#L39true, Black: 532#(and (< 1 N) (<= 0 k) (<= i 1)), 536#true, 25#L30true, Black: 391#(and (= M k) (<= res2 0) (<= 0 M) (= res1 (+ res2 (select A res2))) (<= j res2)), Black: 380#(and (<= res1 res2) (< res2 (+ res1 1))), Black: 642#(and (<= res2 res1) (< res1 (+ res2 1))), Black: 663#(and (<= i 0) (= i res1) (exists ((k Int)) (and (<= 1 k) (= (+ i (select A (+ k (- 1)))) res2) (<= k (+ i 1))))), Black: 45#(= res2 res1), 688#true, 48#true, Black: 304#(and (<= (+ i 1) N) (<= M N) (<= i j)), Black: 313#(and (= j res1) (= M k) (= i res1) (<= N M)), Black: 190#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ k 1) N)), Black: 324#(and (= j res1) (<= k res1) (= M k) (= i res1)), 329#true, Black: 584#(and (or (and (<= (+ M i) N) (< 0 M)) (and (<= res1 res2) (< res2 (+ res1 1)))) (= j 0) (<= 0 M)), Black: 586#(and (= j 0) (<= 0 M) (<= res1 res2) (< res2 (+ res1 1))), Black: 539#(or (and (= M k) (< 0 M) (<= i 1)) (and (<= (+ (select A k) res2) res1) (<= res1 (+ (select A k) res2)))), Black: 540#(or (and (<= (+ M i) N) (< 0 M)) (and (<= res1 res2) (< res2 (+ res1 1)))), Black: 56#(and (<= k M) (<= j i)), Black: 91#(and (<= k i) (<= k M) (<= j i)), Black: 435#(and (<= res1 res2) (< res2 (+ res1 1))), Black: 93#(and (<= k i) (<= k M) (<= j i) (<= (+ k 1) N)), Black: 476#(and (<= i (+ res2 1)) (or (= M k) (and (<= (+ (select A k) res2) res1) (<= res1 (+ (select A k) res2)))) (= res1 (+ res2 (select A res2))) (<= 0 k) (= res2 0)), 482#true, 98#true, Black: 738#(and (or (<= (+ i 1) N) (and (<= res2 res1) (< res1 (+ res2 1)))) (= i res1) (or (and (< 0 M) (not (= M res1)) (<= (+ M res1 1) N)) (and (<= res2 (+ res1 (select A i))) (<= (+ res1 (select A i)) res2))) (exists ((v_k_42 Int)) (and (= res2 (+ (select A v_k_42) i)) (<= k (+ v_k_42 1)) (<= v_k_42 M))) (<= j i)), Black: 692#(or (and (<= (+ M i) N) (< 0 M)) (and (<= res2 res1) (< res1 (+ res2 1)))), Black: 742#(and (or (and (<= (+ M i) N) (< 0 M)) (and (<= res2 res1) (< res1 (+ res2 1)))) (or (and (= res2 res1) (< j (+ M 1))) (< j M))), Black: 694#(and (<= res2 res1) (< res1 (+ res2 1))), Black: 744#(and (<= res2 res1) (< res1 (+ res2 1)) (< j (+ M 1))), Black: 236#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ j 1) M)), Black: 719#(or (and (= res2 res1) (< j (+ M 1))) (< j M)), 239#true, Black: 344#(and (= (+ j (select A j)) res1) (= j 0) (= j res2)), Black: 333#(and (<= res1 res2) (< res2 (+ res1 1))), Black: 241#(and (= j i) (<= M N)), Black: 244#(and (= j i) (<= M N) (<= M j)), 248#true, Black: 596#(and (<= res2 res1) (< res1 (+ res2 1))), 637#true]) [2021-03-26 06:49:15,335 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 06:49:15,335 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 06:49:15,335 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 06:49:15,335 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 06:49:15,340 INFO L129 PetriNetUnfolder]: 159/363 cut-off events. [2021-03-26 06:49:15,340 INFO L130 PetriNetUnfolder]: For 4889/4909 co-relation queries the response was YES. [2021-03-26 06:49:15,342 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2475 conditions, 363 events. 159/363 cut-off events. For 4889/4909 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2020 event pairs, 11 based on Foata normal form. 2/355 useless extension candidates. Maximal degree in co-relation 2364. Up to 121 conditions per place. [2021-03-26 06:49:15,345 INFO L142 LiptonReduction]: Number of co-enabled transitions 280 [2021-03-26 06:49:15,409 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:15,410 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 06:49:15,410 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 102 [2021-03-26 06:49:15,410 INFO L480 AbstractCegarLoop]: Abstraction has has 111 places, 119 transitions, 1736 flow [2021-03-26 06:49:15,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 15.181818181818182) internal successors, (167), 11 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:15,410 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:15,411 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:15,631 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2021-03-26 06:49:15,631 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:15,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:15,632 INFO L82 PathProgramCache]: Analyzing trace with hash 381335695, now seen corresponding path program 1 times [2021-03-26 06:49:15,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:15,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414358385] [2021-03-26 06:49:15,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:15,652 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-03-26 06:49:15,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:15,658 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:49:15,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:15,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:15,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:15,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:15,674 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:15,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414358385] [2021-03-26 06:49:15,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053354908] [2021-03-26 06:49:15,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:15,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:49:15,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:15,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:15,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:15,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:15,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:15,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:15,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:15,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:15,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:15,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:15,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:15,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:15,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:15,713 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 06:49:15,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:15,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:15,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:15,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:15,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:15,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:15,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:15,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:15,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:15,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:15,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:15,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:15,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:15,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:15,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:15,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:15,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:15,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:15,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:15,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:15,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:49:15,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:15,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:15,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:15,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:49:15,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:15,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:15,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:15,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:15,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:15,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:15,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:15,742 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:49:15,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:15,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:15,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:15,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:15,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:15,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:15,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:15,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:15,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:15,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:15,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:15,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:15,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:15,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:15,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:15,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:15,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-03-26 06:49:15,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833498752] [2021-03-26 06:49:15,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 06:49:15,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:15,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 06:49:15,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-26 06:49:15,753 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 49 [2021-03-26 06:49:15,754 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 119 transitions, 1736 flow. Second operand has 8 states, 8 states have (on average 15.25) internal successors, (122), 8 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:15,754 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:15,754 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 49 [2021-03-26 06:49:15,754 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:15,942 INFO L129 PetriNetUnfolder]: 278/557 cut-off events. [2021-03-26 06:49:15,942 INFO L130 PetriNetUnfolder]: For 9044/9100 co-relation queries the response was YES. [2021-03-26 06:49:15,944 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4200 conditions, 557 events. 278/557 cut-off events. For 9044/9100 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 2989 event pairs, 54 based on Foata normal form. 42/599 useless extension candidates. Maximal degree in co-relation 4036. Up to 362 conditions per place. [2021-03-26 06:49:15,948 INFO L132 encePairwiseOnDemand]: 39/49 looper letters, 92 selfloop transitions, 50 changer transitions 1/149 dead transitions. [2021-03-26 06:49:15,948 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 149 transitions, 2535 flow [2021-03-26 06:49:15,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 06:49:15,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 06:49:15,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 186 transitions. [2021-03-26 06:49:15,950 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3795918367346939 [2021-03-26 06:49:15,950 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 186 transitions. [2021-03-26 06:49:15,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 186 transitions. [2021-03-26 06:49:15,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:15,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 186 transitions. [2021-03-26 06:49:15,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 18.6) internal successors, (186), 10 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:15,952 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:15,952 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:15,952 INFO L185 Difference]: Start difference. First operand has 111 places, 119 transitions, 1736 flow. Second operand 10 states and 186 transitions. [2021-03-26 06:49:15,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 149 transitions, 2535 flow [2021-03-26 06:49:15,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 149 transitions, 2232 flow, removed 147 selfloop flow, removed 2 redundant places. [2021-03-26 06:49:15,980 INFO L241 Difference]: Finished difference. Result has 121 places, 129 transitions, 1794 flow [2021-03-26 06:49:15,980 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=1463, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1794, PETRI_PLACES=121, PETRI_TRANSITIONS=129} [2021-03-26 06:49:15,980 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 100 predicate places. [2021-03-26 06:49:15,980 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:15,980 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 129 transitions, 1794 flow [2021-03-26 06:49:15,980 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 129 transitions, 1794 flow [2021-03-26 06:49:15,981 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 121 places, 129 transitions, 1794 flow [2021-03-26 06:49:16,020 INFO L129 PetriNetUnfolder]: 181/424 cut-off events. [2021-03-26 06:49:16,020 INFO L130 PetriNetUnfolder]: For 5978/6006 co-relation queries the response was YES. [2021-03-26 06:49:16,022 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2835 conditions, 424 events. 181/424 cut-off events. For 5978/6006 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 2497 event pairs, 13 based on Foata normal form. 5/416 useless extension candidates. Maximal degree in co-relation 2719. Up to 132 conditions per place. [2021-03-26 06:49:16,025 INFO L142 LiptonReduction]: Number of co-enabled transitions 304 [2021-03-26 06:49:16,093 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:16,094 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 06:49:16,094 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 114 [2021-03-26 06:49:16,094 INFO L480 AbstractCegarLoop]: Abstraction has has 121 places, 129 transitions, 1811 flow [2021-03-26 06:49:16,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 15.25) internal successors, (122), 8 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:16,094 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:16,094 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:16,316 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:16,317 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:16,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:16,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1112326637, now seen corresponding path program 1 times [2021-03-26 06:49:16,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:16,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428922787] [2021-03-26 06:49:16,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:16,326 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-03-26 06:49:16,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:16,332 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:49:16,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:16,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:16,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:16,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:16,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:16,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428922787] [2021-03-26 06:49:16,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011017607] [2021-03-26 06:49:16,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:16,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 06:49:16,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:16,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:16,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:16,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:16,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:16,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:16,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:16,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:16,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:16,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:16,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:16,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:16,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:16,389 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 06:49:16,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:16,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:16,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:16,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:16,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:16,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:16,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:16,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:16,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:16,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:16,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:16,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:16,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:16,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:16,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:16,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:16,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:16,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:16,405 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-03-26 06:49:16,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:16,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:16,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:16,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:16,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:16,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:16,411 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-26 06:49:16,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:16,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:16,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:16,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:16,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:16,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:16,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:16,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:16,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:16,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:16,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:16,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:16,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:16,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:16,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:16,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:16,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:16,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:16,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:16,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-03-26 06:49:16,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777279422] [2021-03-26 06:49:16,424 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 06:49:16,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:16,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 06:49:16,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-26 06:49:16,425 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 50 [2021-03-26 06:49:16,431 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 129 transitions, 1811 flow. Second operand has 8 states, 8 states have (on average 15.25) internal successors, (122), 8 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:16,431 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:16,431 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 50 [2021-03-26 06:49:16,431 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:16,655 INFO L129 PetriNetUnfolder]: 286/599 cut-off events. [2021-03-26 06:49:16,655 INFO L130 PetriNetUnfolder]: For 8890/8923 co-relation queries the response was YES. [2021-03-26 06:49:16,658 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4307 conditions, 599 events. 286/599 cut-off events. For 8890/8923 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 3394 event pairs, 26 based on Foata normal form. 25/623 useless extension candidates. Maximal degree in co-relation 4138. Up to 223 conditions per place. [2021-03-26 06:49:16,662 INFO L132 encePairwiseOnDemand]: 38/50 looper letters, 94 selfloop transitions, 80 changer transitions 4/184 dead transitions. [2021-03-26 06:49:16,662 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 184 transitions, 3066 flow [2021-03-26 06:49:16,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 06:49:16,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 06:49:16,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 240 transitions. [2021-03-26 06:49:16,664 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.36923076923076925 [2021-03-26 06:49:16,664 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 240 transitions. [2021-03-26 06:49:16,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 240 transitions. [2021-03-26 06:49:16,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:16,667 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 240 transitions. [2021-03-26 06:49:16,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 18.46153846153846) internal successors, (240), 13 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:16,669 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 50.0) internal successors, (700), 14 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:16,669 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 50.0) internal successors, (700), 14 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:16,669 INFO L185 Difference]: Start difference. First operand has 121 places, 129 transitions, 1811 flow. Second operand 13 states and 240 transitions. [2021-03-26 06:49:16,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 184 transitions, 3066 flow [2021-03-26 06:49:16,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 184 transitions, 2913 flow, removed 49 selfloop flow, removed 5 redundant places. [2021-03-26 06:49:16,700 INFO L241 Difference]: Finished difference. Result has 131 places, 160 transitions, 2421 flow [2021-03-26 06:49:16,701 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=1701, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2421, PETRI_PLACES=131, PETRI_TRANSITIONS=160} [2021-03-26 06:49:16,701 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 110 predicate places. [2021-03-26 06:49:16,701 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:16,701 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 131 places, 160 transitions, 2421 flow [2021-03-26 06:49:16,701 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 131 places, 160 transitions, 2421 flow [2021-03-26 06:49:16,702 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 131 places, 160 transitions, 2421 flow [2021-03-26 06:49:16,742 INFO L129 PetriNetUnfolder]: 192/462 cut-off events. [2021-03-26 06:49:16,742 INFO L130 PetriNetUnfolder]: For 7514/7522 co-relation queries the response was YES. [2021-03-26 06:49:16,745 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3259 conditions, 462 events. 192/462 cut-off events. For 7514/7522 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 2850 event pairs, 13 based on Foata normal form. 3/461 useless extension candidates. Maximal degree in co-relation 3135. Up to 137 conditions per place. [2021-03-26 06:49:16,748 INFO L142 LiptonReduction]: Number of co-enabled transitions 288 [2021-03-26 06:49:16,755 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:16,755 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:16,755 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 54 [2021-03-26 06:49:16,756 INFO L480 AbstractCegarLoop]: Abstraction has has 131 places, 160 transitions, 2421 flow [2021-03-26 06:49:16,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 15.25) internal successors, (122), 8 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:16,756 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:16,756 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:16,977 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-03-26 06:49:16,977 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:16,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:16,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1131355309, now seen corresponding path program 1 times [2021-03-26 06:49:16,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:16,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868233851] [2021-03-26 06:49:16,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:16,987 INFO L142 QuantifierPusher]: treesize reduction 16, result has 54.3 percent of original size [2021-03-26 06:49:16,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:16,996 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-26 06:49:16,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:17,003 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:17,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:17,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:17,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:17,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:17,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868233851] [2021-03-26 06:49:17,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492764075] [2021-03-26 06:49:17,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:17,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:49:17,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:17,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:17,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:17,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:17,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:17,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:17,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:17,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:17,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:17,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:17,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:17,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:17,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:17,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:17,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:17,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:17,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,098 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 06:49:17,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:17,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:17,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:17,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:17,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:17,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:17,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:17,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:17,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:17,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:17,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:17,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:17,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:17,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:17,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:17,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:17,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:17,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-03-26 06:49:17,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909282089] [2021-03-26 06:49:17,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 06:49:17,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:17,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 06:49:17,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-26 06:49:17,108 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 50 [2021-03-26 06:49:17,108 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 160 transitions, 2421 flow. Second operand has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:17,108 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:17,108 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 50 [2021-03-26 06:49:17,108 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:17,296 INFO L129 PetriNetUnfolder]: 286/582 cut-off events. [2021-03-26 06:49:17,296 INFO L130 PetriNetUnfolder]: For 10808/10863 co-relation queries the response was YES. [2021-03-26 06:49:17,299 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4609 conditions, 582 events. 286/582 cut-off events. For 10808/10863 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 3212 event pairs, 40 based on Foata normal form. 20/599 useless extension candidates. Maximal degree in co-relation 4432. Up to 409 conditions per place. [2021-03-26 06:49:17,303 INFO L132 encePairwiseOnDemand]: 42/50 looper letters, 136 selfloop transitions, 30 changer transitions 0/172 dead transitions. [2021-03-26 06:49:17,303 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 172 transitions, 2973 flow [2021-03-26 06:49:17,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 06:49:17,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 06:49:17,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 132 transitions. [2021-03-26 06:49:17,304 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.37714285714285717 [2021-03-26 06:49:17,304 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 132 transitions. [2021-03-26 06:49:17,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 132 transitions. [2021-03-26 06:49:17,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:17,304 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 132 transitions. [2021-03-26 06:49:17,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 18.857142857142858) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:17,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 50.0) internal successors, (400), 8 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:17,305 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 50.0) internal successors, (400), 8 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:17,305 INFO L185 Difference]: Start difference. First operand has 131 places, 160 transitions, 2421 flow. Second operand 7 states and 132 transitions. [2021-03-26 06:49:17,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 172 transitions, 2973 flow [2021-03-26 06:49:17,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 172 transitions, 2782 flow, removed 78 selfloop flow, removed 3 redundant places. [2021-03-26 06:49:17,343 INFO L241 Difference]: Finished difference. Result has 135 places, 162 transitions, 2337 flow [2021-03-26 06:49:17,344 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=2230, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2337, PETRI_PLACES=135, PETRI_TRANSITIONS=162} [2021-03-26 06:49:17,344 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 114 predicate places. [2021-03-26 06:49:17,344 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:17,344 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 135 places, 162 transitions, 2337 flow [2021-03-26 06:49:17,344 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 135 places, 162 transitions, 2337 flow [2021-03-26 06:49:17,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 135 places, 162 transitions, 2337 flow [2021-03-26 06:49:17,385 INFO L129 PetriNetUnfolder]: 197/467 cut-off events. [2021-03-26 06:49:17,385 INFO L130 PetriNetUnfolder]: For 7202/7221 co-relation queries the response was YES. [2021-03-26 06:49:17,387 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3221 conditions, 467 events. 197/467 cut-off events. For 7202/7221 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2811 event pairs, 14 based on Foata normal form. 11/474 useless extension candidates. Maximal degree in co-relation 3099. Up to 126 conditions per place. [2021-03-26 06:49:17,390 INFO L142 LiptonReduction]: Number of co-enabled transitions 292 [2021-03-26 06:49:17,446 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 06:49:17,446 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 06:49:17,446 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 102 [2021-03-26 06:49:17,447 INFO L480 AbstractCegarLoop]: Abstraction has has 135 places, 162 transitions, 2358 flow [2021-03-26 06:49:17,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:17,447 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:17,447 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:17,663 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:17,664 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:17,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:17,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1255138611, now seen corresponding path program 3 times [2021-03-26 06:49:17,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:17,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043088060] [2021-03-26 06:49:17,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:17,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:17,681 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:49:17,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,689 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:17,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:17,694 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:17,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:17,701 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:17,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:17,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:17,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:17,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:17,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043088060] [2021-03-26 06:49:17,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846070152] [2021-03-26 06:49:17,716 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 06:49:17,755 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-26 06:49:17,756 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:49:17,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:49:17,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:17,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:17,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:17,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:17,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:17,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:17,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:17,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:17,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:17,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:17,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:17,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:17,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:17,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:17,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:17,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:17,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:17,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:17,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:17,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:17,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:17,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:17,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:17,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:17,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:17,830 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 06:49:17,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:17,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:17,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:17,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:17,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:17,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:17,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:17,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:17,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:17,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:17,842 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:49:17,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:17,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:17,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:17,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:17,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:17,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:17,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:17,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:17,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:17,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:17,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:17,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:17,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:17,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:17,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:17,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:17,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:17,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:17,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:17,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-26 06:49:17,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513285427] [2021-03-26 06:49:17,850 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:49:17,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:17,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:49:17,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:49:17,851 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 51 [2021-03-26 06:49:17,851 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 162 transitions, 2358 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:17,851 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:17,851 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 51 [2021-03-26 06:49:17,851 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:18,204 INFO L129 PetriNetUnfolder]: 422/903 cut-off events. [2021-03-26 06:49:18,204 INFO L130 PetriNetUnfolder]: For 16521/16576 co-relation queries the response was YES. [2021-03-26 06:49:18,209 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7343 conditions, 903 events. 422/903 cut-off events. For 16521/16576 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 5705 event pairs, 50 based on Foata normal form. 38/939 useless extension candidates. Maximal degree in co-relation 7154. Up to 449 conditions per place. [2021-03-26 06:49:18,215 INFO L132 encePairwiseOnDemand]: 41/51 looper letters, 130 selfloop transitions, 100 changer transitions 1/238 dead transitions. [2021-03-26 06:49:18,215 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 238 transitions, 4437 flow [2021-03-26 06:49:18,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 06:49:18,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 06:49:18,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 339 transitions. [2021-03-26 06:49:18,217 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41544117647058826 [2021-03-26 06:49:18,217 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 339 transitions. [2021-03-26 06:49:18,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 339 transitions. [2021-03-26 06:49:18,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:18,217 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 339 transitions. [2021-03-26 06:49:18,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 21.1875) internal successors, (339), 16 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:18,219 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 51.0) internal successors, (867), 17 states have internal predecessors, (867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:18,219 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 51.0) internal successors, (867), 17 states have internal predecessors, (867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:18,219 INFO L185 Difference]: Start difference. First operand has 135 places, 162 transitions, 2358 flow. Second operand 16 states and 339 transitions. [2021-03-26 06:49:18,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 238 transitions, 4437 flow [2021-03-26 06:49:18,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 238 transitions, 4351 flow, removed 18 selfloop flow, removed 3 redundant places. [2021-03-26 06:49:18,272 INFO L241 Difference]: Finished difference. Result has 155 places, 219 transitions, 3852 flow [2021-03-26 06:49:18,273 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=2272, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=3852, PETRI_PLACES=155, PETRI_TRANSITIONS=219} [2021-03-26 06:49:18,273 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 134 predicate places. [2021-03-26 06:49:18,273 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:18,273 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 155 places, 219 transitions, 3852 flow [2021-03-26 06:49:18,273 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 155 places, 219 transitions, 3852 flow [2021-03-26 06:49:18,275 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 155 places, 219 transitions, 3852 flow [2021-03-26 06:49:18,356 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([92] L21-->thread1EXIT: Formula: (not (< v_i_7 v_N_8)) InVars {N=v_N_8, i=v_i_7} OutVars{N=v_N_8, i=v_i_7} AuxVars[] AssignedVars[][1], [Black: 250#(and (= M k) (= i 0) (<= 0 M)), Black: 254#(and (= M k) (= i 0) (<= 0 M) (<= N M)), 7#thread2EXITtrue, Black: 262#(<= (+ i 1) N), 10#thread1EXITtrue, 13#L54true, Black: 141#(and (<= k M) (<= j i) (<= N M)), Black: 143#(and (<= k M) (<= j i) (<= (+ j 1) M) (<= N M)), 20#thread3EXITtrue, Black: 528#(and (= M k) (<= 0 k) (<= i 1)), Black: 900#(and (< 1 N) (<= i 1)), Black: 532#(and (< 1 N) (<= 0 k) (<= i 1)), 920#true, 536#true, Black: 771#(<= k i), Black: 803#(and (<= k i) (<= (+ k 1) N)), Black: 756#(<= k (+ i 1)), Black: 391#(and (= M k) (<= res2 0) (<= 0 M) (= res1 (+ res2 (select A res2))) (<= j res2)), Black: 380#(and (<= res1 res2) (< res2 (+ res1 1))), Black: 642#(and (<= res2 res1) (< res1 (+ res2 1))), 813#(<= N (+ i 1)), Black: 663#(and (<= i 0) (= i res1) (exists ((k Int)) (and (<= 1 k) (= (+ i (select A (+ k (- 1)))) res2) (<= k (+ i 1))))), Black: 45#(= res2 res1), 48#true, 688#true, Black: 304#(and (<= (+ i 1) N) (<= M N) (<= i j)), Black: 313#(and (= j res1) (= M k) (= i res1) (<= N M)), Black: 190#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ k 1) N)), Black: 324#(and (= j res1) (<= k res1) (= M k) (= i res1)), 329#true, Black: 584#(and (or (and (<= (+ M i) N) (< 0 M)) (and (<= res1 res2) (< res2 (+ res1 1)))) (= j 0) (<= 0 M)), Black: 586#(and (= j 0) (<= 0 M) (<= res1 res2) (< res2 (+ res1 1))), Black: 539#(or (and (= M k) (< 0 M) (<= i 1)) (and (<= (+ (select A k) res2) res1) (<= res1 (+ (select A k) res2)))), Black: 540#(or (and (<= (+ M i) N) (< 0 M)) (and (<= res1 res2) (< res2 (+ res1 1)))), Black: 56#(and (<= k M) (<= j i)), Black: 91#(and (<= k i) (<= k M) (<= j i)), Black: 435#(and (<= res1 res2) (< res2 (+ res1 1))), Black: 827#(<= k i), Black: 93#(and (<= k i) (<= k M) (<= j i) (<= (+ k 1) N)), Black: 476#(and (<= i (+ res2 1)) (or (= M k) (and (<= (+ (select A k) res2) res1) (<= res1 (+ (select A k) res2)))) (= res1 (+ res2 (select A res2))) (<= 0 k) (= res2 0)), 98#true, Black: 812#(<= k (+ i 1)), 482#true, Black: 993#(and (<= k M) (< j N) (<= j i) (<= (+ k 1) N)), Black: 977#(and (<= (+ j 1) i) (= M k) (<= (+ j 2) N) (<= (+ k 1) N)), Black: 979#(and (<= (+ j 1) N) (= M k) (<= j i)), Black: 983#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ k 1) N)), Black: 985#(and (<= (+ j 1) i) (<= k M) (< j N) (<= (+ k 1) N)), Black: 989#(and (<= (+ j 1) i) (<= k M) (< (+ j 1) N) (<= (+ k 1) N)), Black: 991#(and (<= k M) (< j N) (<= j i)), Black: 975#(and (<= (+ j 1) i) (<= (+ j 1) N) (= M k) (<= (+ k 1) N)), Black: 738#(and (or (<= (+ i 1) N) (and (<= res2 res1) (< res1 (+ res2 1)))) (= i res1) (or (and (< 0 M) (not (= M res1)) (<= (+ M res1 1) N)) (and (<= res2 (+ res1 (select A i))) (<= (+ res1 (select A i)) res2))) (exists ((v_k_42 Int)) (and (= res2 (+ (select A v_k_42) i)) (<= k (+ v_k_42 1)) (<= v_k_42 M))) (<= j i)), Black: 692#(or (and (<= (+ M i) N) (< 0 M)) (and (<= res2 res1) (< res1 (+ res2 1)))), Black: 742#(and (or (and (<= (+ M i) N) (< 0 M)) (and (<= res2 res1) (< res1 (+ res2 1)))) (or (and (= res2 res1) (< j (+ M 1))) (< j M))), Black: 694#(and (<= res2 res1) (< res1 (+ res2 1))), Black: 236#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ j 1) M)), Black: 744#(and (<= res2 res1) (< res1 (+ res2 1)) (< j (+ M 1))), 752#true, 242#(<= M j), Black: 344#(and (= (+ j (select A j)) res1) (= j 0) (= j res2)), Black: 333#(and (<= res1 res2) (< res2 (+ res1 1))), Black: 241#(and (= j i) (<= M N)), Black: 244#(and (= j i) (<= M N) (<= M j)), Black: 596#(and (<= res2 res1) (< res1 (+ res2 1))), 252#(<= N k), 637#true]) [2021-03-26 06:49:18,356 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 06:49:18,356 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 06:49:18,356 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 06:49:18,356 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 06:49:18,387 INFO L129 PetriNetUnfolder]: 323/759 cut-off events. [2021-03-26 06:49:18,387 INFO L130 PetriNetUnfolder]: For 20353/20545 co-relation queries the response was YES. [2021-03-26 06:49:18,392 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6555 conditions, 759 events. 323/759 cut-off events. For 20353/20545 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 5083 event pairs, 40 based on Foata normal form. 11/736 useless extension candidates. Maximal degree in co-relation 6434. Up to 252 conditions per place. [2021-03-26 06:49:18,398 INFO L142 LiptonReduction]: Number of co-enabled transitions 454 [2021-03-26 06:49:18,412 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:18,412 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:18,412 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 139 [2021-03-26 06:49:18,413 INFO L480 AbstractCegarLoop]: Abstraction has has 155 places, 219 transitions, 3852 flow [2021-03-26 06:49:18,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:18,413 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:18,413 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:18,623 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-03-26 06:49:18,624 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:18,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:18,624 INFO L82 PathProgramCache]: Analyzing trace with hash -930951252, now seen corresponding path program 1 times [2021-03-26 06:49:18,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:18,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133247969] [2021-03-26 06:49:18,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:18,658 INFO L142 QuantifierPusher]: treesize reduction 13, result has 72.3 percent of original size [2021-03-26 06:49:18,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 06:49:18,685 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:49:18,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:18,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:49:18,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:49:18,709 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 06:49:18,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:49:18,720 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 06:49:18,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:18,730 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:18,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133247969] [2021-03-26 06:49:18,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871671688] [2021-03-26 06:49:18,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:18,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 23 conjunts are in the unsatisfiable core [2021-03-26 06:49:18,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:18,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:18,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:18,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:18,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:18,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:18,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:18,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:18,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:18,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:18,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:18,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:18,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:18,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:18,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:18,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:18,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:18,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:18,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:18,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:18,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:18,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,789 INFO L147 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size 26 [2021-03-26 06:49:18,790 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-26 06:49:18,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 06:49:18,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 06:49:18,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 06:49:18,806 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.7 percent of original size [2021-03-26 06:49:18,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:49:18,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:18,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 06:49:18,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 06:49:18,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:18,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 06:49:18,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 06:49:18,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:18,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 06:49:18,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 06:49:18,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:18,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 06:49:18,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 06:49:18,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:18,836 INFO L142 QuantifierPusher]: treesize reduction 11, result has 87.4 percent of original size [2021-03-26 06:49:18,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-26 06:49:18,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-26 06:49:18,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:18,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-26 06:49:18,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-26 06:49:18,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:18,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:18,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 06:49:18,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 06:49:18,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:18,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-26 06:49:18,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-26 06:49:18,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 06:49:18,882 INFO L354 Elim1Store]: treesize reduction 20, result has 63.6 percent of original size [2021-03-26 06:49:18,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 67 [2021-03-26 06:49:18,884 INFO L142 QuantifierPusher]: treesize reduction 10, result has 85.3 percent of original size [2021-03-26 06:49:18,886 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-26 06:49:18,887 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 06:49:18,887 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,888 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-26 06:49:18,889 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 06:49:18,890 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,895 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 06:49:18,896 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:18,897 INFO L142 QuantifierPusher]: treesize reduction 15, result has 71.7 percent of original size [2021-03-26 06:49:18,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 06:49:18,900 INFO L147 QuantifierPusher]: treesize reduction 41, result has 35.9 percent of original size 23 [2021-03-26 06:49:18,901 INFO L142 QuantifierPusher]: treesize reduction 41, result has 35.9 percent of original size [2021-03-26 06:49:18,903 INFO L147 QuantifierPusher]: treesize reduction 11, result has 52.2 percent of original size 12 [2021-03-26 06:49:18,903 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:49:18,922 INFO L628 ElimStorePlain]: treesize reduction 11, result has 69.4 percent of original size [2021-03-26 06:49:18,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,924 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 06:49:18,924 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:18,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:18,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:18,927 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:49:18,927 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:81, output treesize:19 [2021-03-26 06:49:18,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:18,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:18,962 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-03-26 06:49:18,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:49:18,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:18,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:18,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:18,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:18,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:18,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:18,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:18,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:18,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:18,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:18,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:18,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:18,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:18,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:18,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:18,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:18,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:18,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:18,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:18,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:18,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-03-26 06:49:18,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054792342] [2021-03-26 06:49:18,984 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 06:49:18,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:18,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 06:49:18,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-03-26 06:49:18,988 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 51 [2021-03-26 06:49:18,988 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 219 transitions, 3852 flow. Second operand has 12 states, 12 states have (on average 15.083333333333334) internal successors, (181), 12 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:18,988 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:18,988 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 51 [2021-03-26 06:49:18,988 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:19,341 INFO L129 PetriNetUnfolder]: 424/901 cut-off events. [2021-03-26 06:49:19,341 INFO L130 PetriNetUnfolder]: For 25848/25972 co-relation queries the response was YES. [2021-03-26 06:49:19,345 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8539 conditions, 901 events. 424/901 cut-off events. For 25848/25972 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 5667 event pairs, 74 based on Foata normal form. 46/944 useless extension candidates. Maximal degree in co-relation 8338. Up to 729 conditions per place. [2021-03-26 06:49:19,353 INFO L132 encePairwiseOnDemand]: 39/51 looper letters, 200 selfloop transitions, 19 changer transitions 1/226 dead transitions. [2021-03-26 06:49:19,353 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 226 transitions, 4457 flow [2021-03-26 06:49:19,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 06:49:19,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 06:49:19,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 154 transitions. [2021-03-26 06:49:19,354 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3355119825708061 [2021-03-26 06:49:19,354 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 154 transitions. [2021-03-26 06:49:19,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 154 transitions. [2021-03-26 06:49:19,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:19,354 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 154 transitions. [2021-03-26 06:49:19,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:19,355 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 51.0) internal successors, (510), 10 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:19,355 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 51.0) internal successors, (510), 10 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:19,355 INFO L185 Difference]: Start difference. First operand has 155 places, 219 transitions, 3852 flow. Second operand 9 states and 154 transitions. [2021-03-26 06:49:19,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 226 transitions, 4457 flow [2021-03-26 06:49:19,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 226 transitions, 3671 flow, removed 380 selfloop flow, removed 2 redundant places. [2021-03-26 06:49:19,424 INFO L241 Difference]: Finished difference. Result has 165 places, 224 transitions, 3235 flow [2021-03-26 06:49:19,424 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=3066, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3235, PETRI_PLACES=165, PETRI_TRANSITIONS=224} [2021-03-26 06:49:19,425 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 144 predicate places. [2021-03-26 06:49:19,425 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:19,425 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 165 places, 224 transitions, 3235 flow [2021-03-26 06:49:19,425 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 165 places, 224 transitions, 3235 flow [2021-03-26 06:49:19,427 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 164 places, 224 transitions, 3235 flow [2021-03-26 06:49:19,504 INFO L129 PetriNetUnfolder]: 337/786 cut-off events. [2021-03-26 06:49:19,505 INFO L130 PetriNetUnfolder]: For 18442/18596 co-relation queries the response was YES. [2021-03-26 06:49:19,509 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5976 conditions, 786 events. 337/786 cut-off events. For 18442/18596 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 5205 event pairs, 27 based on Foata normal form. 13/775 useless extension candidates. Maximal degree in co-relation 5850. Up to 240 conditions per place. [2021-03-26 06:49:19,516 INFO L142 LiptonReduction]: Number of co-enabled transitions 454 [2021-03-26 06:49:19,639 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 06:49:19,640 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 06:49:19,640 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 215 [2021-03-26 06:49:19,640 INFO L480 AbstractCegarLoop]: Abstraction has has 163 places, 223 transitions, 3252 flow [2021-03-26 06:49:19,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 15.083333333333334) internal successors, (181), 12 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:19,640 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:19,640 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:19,840 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-03-26 06:49:19,841 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:19,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:19,841 INFO L82 PathProgramCache]: Analyzing trace with hash -239499794, now seen corresponding path program 2 times [2021-03-26 06:49:19,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:19,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385484319] [2021-03-26 06:49:19,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:19,876 INFO L142 QuantifierPusher]: treesize reduction 13, result has 72.3 percent of original size [2021-03-26 06:49:19,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 06:49:19,905 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:49:19,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:19,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:19,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:49:19,927 INFO L142 QuantifierPusher]: treesize reduction 47, result has 43.4 percent of original size [2021-03-26 06:49:19,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 06:49:19,966 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 06:49:19,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:49:19,978 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 06:49:19,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:19,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:19,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385484319] [2021-03-26 06:49:19,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800811804] [2021-03-26 06:49:19,986 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:20,006 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:49:20,006 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:49:20,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 23 conjunts are in the unsatisfiable core [2021-03-26 06:49:20,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:20,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:20,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:20,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:20,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:20,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:20,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:20,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:20,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:20,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:20,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:20,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:20,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:20,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:20,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:20,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:20,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:20,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:20,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:20,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:20,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:20,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 06:49:20,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 06:49:20,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 06:49:20,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 06:49:20,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,057 INFO L147 QuantifierPusher]: treesize reduction 16, result has 83.0 percent of original size 78 [2021-03-26 06:49:20,058 INFO L142 QuantifierPusher]: treesize reduction 16, result has 83.2 percent of original size [2021-03-26 06:49:20,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:20,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 06:49:20,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 06:49:20,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:20,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 06:49:20,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 06:49:20,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 06:49:20,096 INFO L354 Elim1Store]: treesize reduction 10, result has 81.8 percent of original size [2021-03-26 06:49:20,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 77 [2021-03-26 06:49:20,097 INFO L142 QuantifierPusher]: treesize reduction 10, result has 87.2 percent of original size [2021-03-26 06:49:20,098 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-26 06:49:20,098 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 06:49:20,099 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,100 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-26 06:49:20,100 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 06:49:20,101 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,101 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-26 06:49:20,101 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 06:49:20,102 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,103 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 06:49:20,103 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:20,104 INFO L142 QuantifierPusher]: treesize reduction 13, result has 69.0 percent of original size [2021-03-26 06:49:20,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:49:20,105 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 06:49:20,106 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:20,107 INFO L142 QuantifierPusher]: treesize reduction 15, result has 80.0 percent of original size [2021-03-26 06:49:20,107 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 06:49:20,108 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:20,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 06:49:20,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-26 06:49:20,113 INFO L147 QuantifierPusher]: treesize reduction 19, result has 87.2 percent of original size 129 [2021-03-26 06:49:20,115 INFO L142 QuantifierPusher]: treesize reduction 19, result has 87.2 percent of original size [2021-03-26 06:49:20,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-03-26 06:49:20,117 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:49:20,165 INFO L628 ElimStorePlain]: treesize reduction 117, result has 15.8 percent of original size [2021-03-26 06:49:20,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:49:20,166 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:49:20,166 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:78, output treesize:22 [2021-03-26 06:49:20,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:49:20,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:49:20,184 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-03-26 06:49:20,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:49:20,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:49:20,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:49:20,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:49:20,209 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 06:49:20,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 06:49:20,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:20,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 06:49:20,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:49:20,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,214 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 06:49:20,215 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:20,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:20,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:20,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:20,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:20,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:20,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:20,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:20,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:20,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:20,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:20,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:20,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:20,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:20,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:20,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:20,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:20,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:20,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:20,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-03-26 06:49:20,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218141338] [2021-03-26 06:49:20,234 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 06:49:20,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:20,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 06:49:20,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-03-26 06:49:20,235 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 54 [2021-03-26 06:49:20,235 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 223 transitions, 3252 flow. Second operand has 12 states, 12 states have (on average 15.083333333333334) internal successors, (181), 12 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:20,235 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:20,235 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 54 [2021-03-26 06:49:20,235 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:20,604 INFO L129 PetriNetUnfolder]: 427/924 cut-off events. [2021-03-26 06:49:20,604 INFO L130 PetriNetUnfolder]: For 23499/23625 co-relation queries the response was YES. [2021-03-26 06:49:20,608 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7775 conditions, 924 events. 427/924 cut-off events. For 23499/23625 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 5923 event pairs, 71 based on Foata normal form. 50/972 useless extension candidates. Maximal degree in co-relation 7568. Up to 730 conditions per place. [2021-03-26 06:49:20,613 INFO L132 encePairwiseOnDemand]: 40/54 looper letters, 200 selfloop transitions, 25 changer transitions 2/233 dead transitions. [2021-03-26 06:49:20,613 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 233 transitions, 3948 flow [2021-03-26 06:49:20,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 06:49:20,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 06:49:20,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 177 transitions. [2021-03-26 06:49:20,615 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3277777777777778 [2021-03-26 06:49:20,615 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 177 transitions. [2021-03-26 06:49:20,615 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 177 transitions. [2021-03-26 06:49:20,615 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:20,615 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 177 transitions. [2021-03-26 06:49:20,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 17.7) internal successors, (177), 10 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:20,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 54.0) internal successors, (594), 11 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:20,616 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 54.0) internal successors, (594), 11 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:20,616 INFO L185 Difference]: Start difference. First operand has 163 places, 223 transitions, 3252 flow. Second operand 10 states and 177 transitions. [2021-03-26 06:49:20,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 233 transitions, 3948 flow [2021-03-26 06:49:20,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 233 transitions, 3832 flow, removed 43 selfloop flow, removed 6 redundant places. [2021-03-26 06:49:20,708 INFO L241 Difference]: Finished difference. Result has 170 places, 228 transitions, 3343 flow [2021-03-26 06:49:20,708 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=3142, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3343, PETRI_PLACES=170, PETRI_TRANSITIONS=228} [2021-03-26 06:49:20,708 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 149 predicate places. [2021-03-26 06:49:20,708 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:20,708 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 170 places, 228 transitions, 3343 flow [2021-03-26 06:49:20,708 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 170 places, 228 transitions, 3343 flow [2021-03-26 06:49:20,710 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 169 places, 228 transitions, 3343 flow [2021-03-26 06:49:20,769 INFO L129 PetriNetUnfolder]: 345/800 cut-off events. [2021-03-26 06:49:20,769 INFO L130 PetriNetUnfolder]: For 19982/20136 co-relation queries the response was YES. [2021-03-26 06:49:20,774 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6192 conditions, 800 events. 345/800 cut-off events. For 19982/20136 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 5315 event pairs, 26 based on Foata normal form. 14/790 useless extension candidates. Maximal degree in co-relation 6063. Up to 246 conditions per place. [2021-03-26 06:49:20,780 INFO L142 LiptonReduction]: Number of co-enabled transitions 462 [2021-03-26 06:49:20,838 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 06:49:20,838 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 06:49:20,838 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 130 [2021-03-26 06:49:20,838 INFO L480 AbstractCegarLoop]: Abstraction has has 169 places, 228 transitions, 3349 flow [2021-03-26 06:49:20,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 15.083333333333334) internal successors, (181), 12 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:20,838 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:20,838 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:21,039 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:21,039 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:21,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:21,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1912222322, now seen corresponding path program 1 times [2021-03-26 06:49:21,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:21,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513480313] [2021-03-26 06:49:21,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:21,051 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-03-26 06:49:21,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:21,057 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:49:21,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:21,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:21,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:21,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:21,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513480313] [2021-03-26 06:49:21,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 06:49:21,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 06:49:21,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420354746] [2021-03-26 06:49:21,068 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 06:49:21,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:21,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 06:49:21,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-26 06:49:21,069 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 55 [2021-03-26 06:49:21,069 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 228 transitions, 3349 flow. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:21,069 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:21,069 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 55 [2021-03-26 06:49:21,069 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:21,239 INFO L129 PetriNetUnfolder]: 425/924 cut-off events. [2021-03-26 06:49:21,239 INFO L130 PetriNetUnfolder]: For 24289/24372 co-relation queries the response was YES. [2021-03-26 06:49:21,244 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7825 conditions, 924 events. 425/924 cut-off events. For 24289/24372 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 5913 event pairs, 38 based on Foata normal form. 41/964 useless extension candidates. Maximal degree in co-relation 7614. Up to 400 conditions per place. [2021-03-26 06:49:21,249 INFO L132 encePairwiseOnDemand]: 45/55 looper letters, 212 selfloop transitions, 30 changer transitions 1/249 dead transitions. [2021-03-26 06:49:21,249 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 249 transitions, 4093 flow [2021-03-26 06:49:21,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 06:49:21,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 06:49:21,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 98 transitions. [2021-03-26 06:49:21,250 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3563636363636364 [2021-03-26 06:49:21,250 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 98 transitions. [2021-03-26 06:49:21,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 98 transitions. [2021-03-26 06:49:21,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:21,250 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 98 transitions. [2021-03-26 06:49:21,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:21,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 55.0) internal successors, (330), 6 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:21,251 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 55.0) internal successors, (330), 6 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:21,251 INFO L185 Difference]: Start difference. First operand has 169 places, 228 transitions, 3349 flow. Second operand 5 states and 98 transitions. [2021-03-26 06:49:21,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 249 transitions, 4093 flow [2021-03-26 06:49:21,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 249 transitions, 3962 flow, removed 46 selfloop flow, removed 6 redundant places. [2021-03-26 06:49:21,322 INFO L241 Difference]: Finished difference. Result has 167 places, 226 transitions, 3244 flow [2021-03-26 06:49:21,322 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=3206, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=3244, PETRI_PLACES=167, PETRI_TRANSITIONS=226} [2021-03-26 06:49:21,322 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 146 predicate places. [2021-03-26 06:49:21,322 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:21,322 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 226 transitions, 3244 flow [2021-03-26 06:49:21,322 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 167 places, 226 transitions, 3244 flow [2021-03-26 06:49:21,324 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 166 places, 226 transitions, 3244 flow [2021-03-26 06:49:21,403 INFO L129 PetriNetUnfolder]: 344/807 cut-off events. [2021-03-26 06:49:21,403 INFO L130 PetriNetUnfolder]: For 20508/20666 co-relation queries the response was YES. [2021-03-26 06:49:21,408 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6176 conditions, 807 events. 344/807 cut-off events. For 20508/20666 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 5408 event pairs, 27 based on Foata normal form. 14/798 useless extension candidates. Maximal degree in co-relation 6048. Up to 242 conditions per place. [2021-03-26 06:49:21,414 INFO L142 LiptonReduction]: Number of co-enabled transitions 460 [2021-03-26 06:49:21,425 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:21,425 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:21,425 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 103 [2021-03-26 06:49:21,426 INFO L480 AbstractCegarLoop]: Abstraction has has 166 places, 226 transitions, 3244 flow [2021-03-26 06:49:21,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:21,426 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:21,426 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:21,426 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-03-26 06:49:21,426 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:21,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:21,427 INFO L82 PathProgramCache]: Analyzing trace with hash -818218586, now seen corresponding path program 1 times [2021-03-26 06:49:21,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:21,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290053414] [2021-03-26 06:49:21,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:21,434 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-03-26 06:49:21,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:21,440 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:49:21,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:21,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:21,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:21,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:21,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:21,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290053414] [2021-03-26 06:49:21,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415338752] [2021-03-26 06:49:21,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 06:49:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:21,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:49:21,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:21,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:21,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:21,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:21,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:21,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:21,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:21,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:21,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:21,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:21,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:21,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:21,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:21,510 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 06:49:21,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:21,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:21,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:21,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:21,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:21,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:21,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:21,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:21,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:21,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:21,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:21,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:21,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:21,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:21,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:21,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:21,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:21,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:21,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:21,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:21,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:49:21,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:21,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:21,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:21,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:49:21,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:21,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:21,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:21,537 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:49:21,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:21,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:21,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:21,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:21,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:21,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:21,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:21,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:21,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:21,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:21,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:21,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:21,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:21,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:21,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:21,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:21,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:21,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:21,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:21,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-03-26 06:49:21,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457863128] [2021-03-26 06:49:21,546 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 06:49:21,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:21,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 06:49:21,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-26 06:49:21,547 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 55 [2021-03-26 06:49:21,547 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 226 transitions, 3244 flow. Second operand has 8 states, 8 states have (on average 15.25) internal successors, (122), 8 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:21,547 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:21,547 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 55 [2021-03-26 06:49:21,547 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:21,800 INFO L129 PetriNetUnfolder]: 447/992 cut-off events. [2021-03-26 06:49:21,800 INFO L130 PetriNetUnfolder]: For 27362/27483 co-relation queries the response was YES. [2021-03-26 06:49:21,804 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8489 conditions, 992 events. 447/992 cut-off events. For 27362/27483 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 6558 event pairs, 77 based on Foata normal form. 67/1057 useless extension candidates. Maximal degree in co-relation 8279. Up to 679 conditions per place. [2021-03-26 06:49:21,808 INFO L132 encePairwiseOnDemand]: 43/55 looper letters, 190 selfloop transitions, 69 changer transitions 1/266 dead transitions. [2021-03-26 06:49:21,808 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 266 transitions, 4553 flow [2021-03-26 06:49:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 06:49:21,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 06:49:21,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 188 transitions. [2021-03-26 06:49:21,809 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3418181818181818 [2021-03-26 06:49:21,809 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 188 transitions. [2021-03-26 06:49:21,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 188 transitions. [2021-03-26 06:49:21,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:21,809 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 188 transitions. [2021-03-26 06:49:21,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 18.8) internal successors, (188), 10 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:21,810 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 55.0) internal successors, (605), 11 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:21,810 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 55.0) internal successors, (605), 11 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:21,811 INFO L185 Difference]: Start difference. First operand has 166 places, 226 transitions, 3244 flow. Second operand 10 states and 188 transitions. [2021-03-26 06:49:21,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 266 transitions, 4553 flow [2021-03-26 06:49:21,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 266 transitions, 4541 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 06:49:21,881 INFO L241 Difference]: Finished difference. Result has 176 places, 241 transitions, 3756 flow [2021-03-26 06:49:21,882 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=3232, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3756, PETRI_PLACES=176, PETRI_TRANSITIONS=241} [2021-03-26 06:49:21,882 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 155 predicate places. [2021-03-26 06:49:21,882 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:21,882 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 176 places, 241 transitions, 3756 flow [2021-03-26 06:49:21,882 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 176 places, 241 transitions, 3756 flow [2021-03-26 06:49:21,883 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 176 places, 241 transitions, 3756 flow [2021-03-26 06:49:21,964 INFO L129 PetriNetUnfolder]: 343/858 cut-off events. [2021-03-26 06:49:21,964 INFO L130 PetriNetUnfolder]: For 23442/23618 co-relation queries the response was YES. [2021-03-26 06:49:21,969 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6787 conditions, 858 events. 343/858 cut-off events. For 23442/23618 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 6150 event pairs, 32 based on Foata normal form. 13/845 useless extension candidates. Maximal degree in co-relation 6654. Up to 250 conditions per place. [2021-03-26 06:49:21,976 INFO L142 LiptonReduction]: Number of co-enabled transitions 492 [2021-03-26 06:49:21,988 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:21,988 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:21,988 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 106 [2021-03-26 06:49:21,988 INFO L480 AbstractCegarLoop]: Abstraction has has 176 places, 241 transitions, 3756 flow [2021-03-26 06:49:21,988 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 15.25) internal successors, (122), 8 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:21,989 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:21,989 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:22,210 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2021-03-26 06:49:22,211 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:22,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:22,211 INFO L82 PathProgramCache]: Analyzing trace with hash -73266014, now seen corresponding path program 3 times [2021-03-26 06:49:22,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:22,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337260573] [2021-03-26 06:49:22,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:22,234 INFO L142 QuantifierPusher]: treesize reduction 13, result has 72.3 percent of original size [2021-03-26 06:49:22,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 06:49:22,258 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:49:22,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:22,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:49:22,277 INFO L142 QuantifierPusher]: treesize reduction 47, result has 43.4 percent of original size [2021-03-26 06:49:22,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 06:49:22,311 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 06:49:22,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:49:22,322 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 06:49:22,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:22,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:22,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337260573] [2021-03-26 06:49:22,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603130613] [2021-03-26 06:49:22,331 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 06:49:22,360 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-26 06:49:22,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:49:22,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-26 06:49:22,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:22,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:22,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:22,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:22,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:22,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:22,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:22,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:22,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:22,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:22,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:22,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:22,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:22,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:22,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:22,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:22,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:22,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:22,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:22,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:22,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:22,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:22,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 06:49:22,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 06:49:22,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 06:49:22,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 06:49:22,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,408 INFO L147 QuantifierPusher]: treesize reduction 11, result has 87.6 percent of original size 78 [2021-03-26 06:49:22,409 INFO L142 QuantifierPusher]: treesize reduction 11, result has 87.8 percent of original size [2021-03-26 06:49:22,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:22,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 06:49:22,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 06:49:22,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:22,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 06:49:22,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 06:49:22,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 06:49:22,453 INFO L354 Elim1Store]: treesize reduction 10, result has 81.8 percent of original size [2021-03-26 06:49:22,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 77 [2021-03-26 06:49:22,455 INFO L142 QuantifierPusher]: treesize reduction 10, result has 87.2 percent of original size [2021-03-26 06:49:22,456 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-26 06:49:22,457 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 06:49:22,457 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,458 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 06:49:22,458 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:22,459 INFO L142 QuantifierPusher]: treesize reduction 38, result has 58.7 percent of original size [2021-03-26 06:49:22,460 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.8 percent of original size 58 [2021-03-26 06:49:22,461 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-26 06:49:22,461 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 06:49:22,462 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,464 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-26 06:49:22,464 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 06:49:22,465 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,467 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 06:49:22,467 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:22,468 INFO L142 QuantifierPusher]: treesize reduction 9, result has 83.0 percent of original size [2021-03-26 06:49:22,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 06:49:22,470 INFO L147 QuantifierPusher]: treesize reduction 23, result has 82.8 percent of original size 111 [2021-03-26 06:49:22,471 INFO L142 QuantifierPusher]: treesize reduction 23, result has 82.8 percent of original size [2021-03-26 06:49:22,472 INFO L147 QuantifierPusher]: treesize reduction 34, result has 69.4 percent of original size 77 [2021-03-26 06:49:22,472 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:49:22,510 INFO L628 ElimStorePlain]: treesize reduction 99, result has 18.2 percent of original size [2021-03-26 06:49:22,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:49:22,511 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:49:22,511 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:78, output treesize:22 [2021-03-26 06:49:22,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:49:22,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:49:22,530 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-03-26 06:49:22,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:49:22,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:22,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:49:22,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 06:49:22,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,537 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 06:49:22,538 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:22,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:22,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:22,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:22,565 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-03-26 06:49:22,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:49:22,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:22,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:22,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:22,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:22,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:22,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:22,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:22,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:22,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:22,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:22,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:22,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:22,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:22,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:22,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:22,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:22,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:22,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:22,581 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:22,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:22,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-03-26 06:49:22,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943993589] [2021-03-26 06:49:22,581 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 06:49:22,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:22,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 06:49:22,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-03-26 06:49:22,582 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 55 [2021-03-26 06:49:22,582 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 241 transitions, 3756 flow. Second operand has 12 states, 12 states have (on average 15.083333333333334) internal successors, (181), 12 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:22,582 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:22,582 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 55 [2021-03-26 06:49:22,582 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:23,040 INFO L129 PetriNetUnfolder]: 447/994 cut-off events. [2021-03-26 06:49:23,040 INFO L130 PetriNetUnfolder]: For 29197/29318 co-relation queries the response was YES. [2021-03-26 06:49:23,047 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8715 conditions, 994 events. 447/994 cut-off events. For 29197/29318 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 6596 event pairs, 76 based on Foata normal form. 48/1040 useless extension candidates. Maximal degree in co-relation 8499. Up to 781 conditions per place. [2021-03-26 06:49:23,052 INFO L132 encePairwiseOnDemand]: 42/55 looper letters, 214 selfloop transitions, 22 changer transitions 3/245 dead transitions. [2021-03-26 06:49:23,052 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 245 transitions, 4322 flow [2021-03-26 06:49:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 06:49:23,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 06:49:23,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 173 transitions. [2021-03-26 06:49:23,054 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3145454545454546 [2021-03-26 06:49:23,054 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 173 transitions. [2021-03-26 06:49:23,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 173 transitions. [2021-03-26 06:49:23,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:23,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 173 transitions. [2021-03-26 06:49:23,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 17.3) internal successors, (173), 10 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:23,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 55.0) internal successors, (605), 11 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:23,056 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 55.0) internal successors, (605), 11 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:23,056 INFO L185 Difference]: Start difference. First operand has 176 places, 241 transitions, 3756 flow. Second operand 10 states and 173 transitions. [2021-03-26 06:49:23,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 245 transitions, 4322 flow [2021-03-26 06:49:23,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 245 transitions, 4181 flow, removed 44 selfloop flow, removed 5 redundant places. [2021-03-26 06:49:23,151 INFO L241 Difference]: Finished difference. Result has 183 places, 241 transitions, 3668 flow [2021-03-26 06:49:23,152 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=3615, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3668, PETRI_PLACES=183, PETRI_TRANSITIONS=241} [2021-03-26 06:49:23,152 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 162 predicate places. [2021-03-26 06:49:23,152 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:23,152 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 183 places, 241 transitions, 3668 flow [2021-03-26 06:49:23,152 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 183 places, 241 transitions, 3668 flow [2021-03-26 06:49:23,154 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 181 places, 241 transitions, 3668 flow [2021-03-26 06:49:23,194 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([92] L21-->thread1EXIT: Formula: (not (< v_i_7 v_N_8)) InVars {N=v_N_8, i=v_i_7} OutVars{N=v_N_8, i=v_i_7} AuxVars[] AssignedVars[][115], [Black: 250#(and (= M k) (= i 0) (<= 0 M)), Black: 254#(and (= M k) (= i 0) (<= 0 M) (<= N M)), 7#thread2EXITtrue, Black: 262#(<= (+ i 1) N), 10#thread1EXITtrue, 13#L54true, Black: 141#(and (<= k M) (<= j i) (<= N M)), Black: 143#(and (<= k M) (<= j i) (<= (+ j 1) M) (<= N M)), 20#thread3EXITtrue, Black: 528#(and (= M k) (<= 0 k) (<= i 1)), Black: 900#(and (< 1 N) (<= i 1)), Black: 532#(and (< 1 N) (<= 0 k) (<= i 1)), 920#true, 536#true, Black: 771#(<= k i), Black: 1056#(and (or (<= (+ i 1) N) (and (<= res2 res1) (< res1 (+ res2 1)))) (<= (+ res1 (select A i) (select A (+ k (- 1)))) res2) (= i res1) (= i 0) (<= k N) (<= res2 (+ res1 (select A i) (select A (+ k (- 1))))) (= (+ i (select A (+ k (- 2))) (select A (+ k (- 1)))) res2)), Black: 803#(and (<= k i) (<= (+ k 1) N)), Black: 756#(<= k (+ i 1)), Black: 1009#(or (<= (+ i 1) N) (and (<= res2 res1) (< res1 (+ res2 1)))), Black: 380#(and (<= res1 res2) (< res2 (+ res1 1))), Black: 1160#(<= k i), Black: 1192#(and (<= k i) (<= (+ k 1) N)), Black: 1145#(<= k (+ i 2)), Black: 642#(and (<= res2 res1) (< res1 (+ res2 1))), 1197#true, 813#(<= N (+ i 1)), Black: 663#(and (<= i 0) (= i res1) (exists ((k Int)) (and (<= 1 k) (= (+ i (select A (+ k (- 1)))) res2) (<= k (+ i 1))))), Black: 45#(= res2 res1), 48#true, 688#true, Black: 304#(and (<= (+ i 1) N) (<= M N) (<= i j)), Black: 313#(and (= j res1) (= M k) (= i res1) (<= N M)), Black: 190#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ k 1) N)), Black: 324#(and (= j res1) (<= k res1) (= M k) (= i res1)), 329#true, Black: 584#(and (or (and (<= (+ M i) N) (< 0 M)) (and (<= res1 res2) (< res2 (+ res1 1)))) (= j 0) (<= 0 M)), Black: 586#(and (= j 0) (<= 0 M) (<= res1 res2) (< res2 (+ res1 1))), Black: 539#(or (and (= M k) (< 0 M) (<= i 1)) (and (<= (+ (select A k) res2) res1) (<= res1 (+ (select A k) res2)))), Black: 540#(or (and (<= (+ M i) N) (< 0 M)) (and (<= res1 res2) (< res2 (+ res1 1)))), Black: 56#(and (<= k M) (<= j i)), Black: 91#(and (<= k i) (<= k M) (<= j i)), Black: 435#(and (<= res1 res2) (< res2 (+ res1 1))), Black: 827#(<= k i), Black: 93#(and (<= k i) (<= k M) (<= j i) (<= (+ k 1) N)), Black: 476#(and (<= i (+ res2 1)) (or (= M k) (and (<= (+ (select A k) res2) res1) (<= res1 (+ (select A k) res2)))) (= res1 (+ res2 (select A res2))) (<= 0 k) (= res2 0)), 98#true, Black: 812#(<= k (+ i 1)), 482#true, Black: 993#(and (<= k M) (< j N) (<= j i) (<= (+ k 1) N)), Black: 977#(and (<= (+ j 1) i) (= M k) (<= (+ j 2) N) (<= (+ k 1) N)), Black: 979#(and (<= (+ j 1) N) (= M k) (<= j i)), Black: 983#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ k 1) N)), Black: 985#(and (<= (+ j 1) i) (<= k M) (< j N) (<= (+ k 1) N)), Black: 1120#(and (or (<= i N) (< i (+ k 1))) (or (<= k i) (<= k N)) (or (and (<= res2 res1) (< res1 (+ res2 1))) (<= (+ k 1) N)) (or (not (= k i)) (and (<= res2 res1) (< res1 (+ res2 1))))), Black: 989#(and (<= (+ j 1) i) (<= k M) (< (+ j 1) N) (<= (+ k 1) N)), Black: 1124#(and (< k (+ N 1)) (or (= res2 res1) (not (= 2 k))) (= 2 i) (< i (+ N 1)) (<= N 2)), Black: 991#(and (<= k M) (< j N) (<= j i)), Black: 975#(and (<= (+ j 1) i) (<= (+ j 1) N) (= M k) (<= (+ k 1) N)), Black: 1254#(and (< k (+ N 1)) (= 2 i) (< i (+ N 1)) (or (not (= k i)) (= res2 res1)) (or (= res2 res1) (< i N))), Black: 738#(and (or (<= (+ i 1) N) (and (<= res2 res1) (< res1 (+ res2 1)))) (= i res1) (or (and (< 0 M) (not (= M res1)) (<= (+ M res1 1) N)) (and (<= res2 (+ res1 (select A i))) (<= (+ res1 (select A i)) res2))) (exists ((v_k_42 Int)) (and (= res2 (+ (select A v_k_42) i)) (<= k (+ v_k_42 1)) (<= v_k_42 M))) (<= j i)), Black: 1256#(and (<= res2 res1) (< k (+ N 1)) (< res1 (+ res2 1)) (= 2 i) (< i (+ N 1))), Black: 692#(or (and (<= (+ M i) N) (< 0 M)) (and (<= res2 res1) (< res1 (+ res2 1)))), Black: 1098#(and (< k (+ N 1)) (or (= res2 res1) (not (= 2 k))) (= 2 i) (< i (+ N 1))), Black: 1228#(and (< k (+ N 1)) (= 2 i) (< i (+ N 1)) (or (not (= k i)) (= res2 res1))), Black: 742#(and (or (and (<= (+ M i) N) (< 0 M)) (and (<= res2 res1) (< res1 (+ res2 1)))) (or (and (= res2 res1) (< j (+ M 1))) (< j M))), Black: 694#(and (<= res2 res1) (< res1 (+ res2 1))), Black: 236#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ j 1) M)), Black: 744#(and (<= res2 res1) (< res1 (+ res2 1)) (< j (+ M 1))), 752#true, 1137#(<= N (+ i 2)), 242#(<= M j), 1141#true, Black: 344#(and (= (+ j (select A j)) res1) (= j 0) (= j res2)), Black: 333#(and (<= res1 res2) (< res2 (+ res1 1))), Black: 241#(and (= j i) (<= M N)), Black: 244#(and (= j i) (<= M N) (<= M j)), 252#(<= N k), Black: 596#(and (<= res2 res1) (< res1 (+ res2 1))), 637#true]) [2021-03-26 06:49:23,194 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 06:49:23,194 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 06:49:23,194 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 06:49:23,194 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 06:49:23,220 INFO L129 PetriNetUnfolder]: 366/881 cut-off events. [2021-03-26 06:49:23,220 INFO L130 PetriNetUnfolder]: For 24693/24853 co-relation queries the response was YES. [2021-03-26 06:49:23,224 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7062 conditions, 881 events. 366/881 cut-off events. For 24693/24853 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 6144 event pairs, 36 based on Foata normal form. 14/873 useless extension candidates. Maximal degree in co-relation 6924. Up to 263 conditions per place. [2021-03-26 06:49:23,229 INFO L142 LiptonReduction]: Number of co-enabled transitions 492 [2021-03-26 06:49:23,276 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:23,276 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 06:49:23,277 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 125 [2021-03-26 06:49:23,277 INFO L480 AbstractCegarLoop]: Abstraction has has 181 places, 241 transitions, 3686 flow [2021-03-26 06:49:23,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 15.083333333333334) internal successors, (181), 12 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:23,277 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:23,277 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:23,497 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:23,498 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:23,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:23,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1431221056, now seen corresponding path program 6 times [2021-03-26 06:49:23,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:23,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384282790] [2021-03-26 06:49:23,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:23,505 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:49:23,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:23,509 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:23,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:23,514 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:23,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:23,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:23,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:23,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:23,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:23,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384282790] [2021-03-26 06:49:23,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923898606] [2021-03-26 06:49:23,529 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:23,548 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-26 06:49:23,549 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:49:23,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:49:23,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:23,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:23,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:23,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:23,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:23,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:23,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:23,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:23,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:23,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:23,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:23,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:23,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:23,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:23,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:23,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:23,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:23,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:23,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:23,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:23,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:23,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:23,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:23,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:23,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:23,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:23,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:23,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:23,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:23,597 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-26 06:49:23,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:23,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:23,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:23,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:23,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:23,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:23,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:23,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:23,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:23,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:23,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:23,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:23,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:23,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:23,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:23,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:23,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:23,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:23,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:23,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:23,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:23,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:23,619 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:49:23,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:23,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:23,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:23,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:23,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:23,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:23,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:23,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:23,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:23,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:23,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:23,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:23,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:23,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:23,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:23,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:23,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-26 06:49:23,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562280273] [2021-03-26 06:49:23,626 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 06:49:23,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:23,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 06:49:23,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-26 06:49:23,627 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 56 [2021-03-26 06:49:23,627 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 241 transitions, 3686 flow. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:23,627 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:23,627 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 56 [2021-03-26 06:49:23,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:23,958 INFO L129 PetriNetUnfolder]: 471/1115 cut-off events. [2021-03-26 06:49:23,959 INFO L130 PetriNetUnfolder]: For 32653/32705 co-relation queries the response was YES. [2021-03-26 06:49:23,963 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9609 conditions, 1115 events. 471/1115 cut-off events. For 32653/32705 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 7942 event pairs, 65 based on Foata normal form. 31/1145 useless extension candidates. Maximal degree in co-relation 9456. Up to 530 conditions per place. [2021-03-26 06:49:23,968 INFO L132 encePairwiseOnDemand]: 47/56 looper letters, 167 selfloop transitions, 112 changer transitions 0/286 dead transitions. [2021-03-26 06:49:23,968 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 286 transitions, 5151 flow [2021-03-26 06:49:23,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 06:49:23,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 06:49:23,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 236 transitions. [2021-03-26 06:49:23,969 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38311688311688313 [2021-03-26 06:49:23,969 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 236 transitions. [2021-03-26 06:49:23,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 236 transitions. [2021-03-26 06:49:23,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:23,969 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 236 transitions. [2021-03-26 06:49:23,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 21.454545454545453) internal successors, (236), 11 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:23,971 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 56.0) internal successors, (672), 12 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:23,971 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 56.0) internal successors, (672), 12 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:23,971 INFO L185 Difference]: Start difference. First operand has 181 places, 241 transitions, 3686 flow. Second operand 11 states and 236 transitions. [2021-03-26 06:49:23,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 286 transitions, 5151 flow [2021-03-26 06:49:24,066 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 286 transitions, 5089 flow, removed 8 selfloop flow, removed 9 redundant places. [2021-03-26 06:49:24,071 INFO L241 Difference]: Finished difference. Result has 184 places, 263 transitions, 4330 flow [2021-03-26 06:49:24,071 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=3624, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=4330, PETRI_PLACES=184, PETRI_TRANSITIONS=263} [2021-03-26 06:49:24,071 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 163 predicate places. [2021-03-26 06:49:24,071 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:24,072 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 184 places, 263 transitions, 4330 flow [2021-03-26 06:49:24,072 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 184 places, 263 transitions, 4330 flow [2021-03-26 06:49:24,074 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 184 places, 263 transitions, 4330 flow [2021-03-26 06:49:24,145 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([92] L21-->thread1EXIT: Formula: (not (< v_i_7 v_N_8)) InVars {N=v_N_8, i=v_i_7} OutVars{N=v_N_8, i=v_i_7} AuxVars[] AssignedVars[][123], [Black: 250#(and (= M k) (= i 0) (<= 0 M)), Black: 254#(and (= M k) (= i 0) (<= 0 M) (<= N M)), 7#thread2EXITtrue, Black: 262#(<= (+ i 1) N), 10#thread1EXITtrue, 13#L54true, Black: 141#(and (<= k M) (<= j i) (<= N M)), Black: 143#(and (<= k M) (<= j i) (<= (+ j 1) M) (<= N M)), 20#thread3EXITtrue, Black: 528#(and (= M k) (<= 0 k) (<= i 1)), Black: 900#(and (< 1 N) (<= i 1)), Black: 532#(and (< 1 N) (<= 0 k) (<= i 1)), 920#true, 536#true, Black: 771#(<= k i), Black: 803#(and (<= k i) (<= (+ k 1) N)), Black: 1056#(and (or (<= (+ i 1) N) (and (<= res2 res1) (< res1 (+ res2 1)))) (<= (+ res1 (select A i) (select A (+ k (- 1)))) res2) (= i res1) (= i 0) (<= k N) (<= res2 (+ res1 (select A i) (select A (+ k (- 1))))) (= (+ i (select A (+ k (- 2))) (select A (+ k (- 1)))) res2)), Black: 1009#(or (<= (+ i 1) N) (and (<= res2 res1) (< res1 (+ res2 1)))), Black: 1267#(<= (+ k 1) N), Black: 756#(<= k (+ i 1)), Black: 1271#(and (<= k M) (<= j i)), Black: 1160#(<= k i), Black: 380#(and (<= res1 res2) (< res2 (+ res1 1))), Black: 1192#(and (<= k i) (<= (+ k 1) N)), Black: 1145#(<= k (+ i 2)), Black: 642#(and (<= res2 res1) (< res1 (+ res2 1))), 813#(<= N (+ i 1)), Black: 663#(and (<= i 0) (= i res1) (exists ((k Int)) (and (<= 1 k) (= (+ i (select A (+ k (- 1)))) res2) (<= k (+ i 1))))), Black: 45#(= res2 res1), 688#true, 48#true, Black: 304#(and (<= (+ i 1) N) (<= M N) (<= i j)), Black: 313#(and (= j res1) (= M k) (= i res1) (<= N M)), Black: 190#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ k 1) N)), Black: 324#(and (= j res1) (<= k res1) (= M k) (= i res1)), 329#true, Black: 584#(and (or (and (<= (+ M i) N) (< 0 M)) (and (<= res1 res2) (< res2 (+ res1 1)))) (= j 0) (<= 0 M)), Black: 586#(and (= j 0) (<= 0 M) (<= res1 res2) (< res2 (+ res1 1))), Black: 539#(or (and (= M k) (< 0 M) (<= i 1)) (and (<= (+ (select A k) res2) res1) (<= res1 (+ (select A k) res2)))), Black: 540#(or (and (<= (+ M i) N) (< 0 M)) (and (<= res1 res2) (< res2 (+ res1 1)))), Black: 56#(and (<= k M) (<= j i)), Black: 91#(and (<= k i) (<= k M) (<= j i)), Black: 435#(and (<= res1 res2) (< res2 (+ res1 1))), Black: 476#(and (<= i (+ res2 1)) (or (= M k) (and (<= (+ (select A k) res2) res1) (<= res1 (+ (select A k) res2)))) (= res1 (+ res2 (select A res2))) (<= 0 k) (= res2 0)), Black: 93#(and (<= k i) (<= k M) (<= j i) (<= (+ k 1) N)), Black: 827#(<= k i), 98#true, Black: 812#(<= k (+ i 1)), 482#true, Black: 993#(and (<= k M) (< j N) (<= j i) (<= (+ k 1) N)), Black: 977#(and (<= (+ j 1) i) (= M k) (<= (+ j 2) N) (<= (+ k 1) N)), Black: 979#(and (<= (+ j 1) N) (= M k) (<= j i)), Black: 983#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ k 1) N)), Black: 985#(and (<= (+ j 1) i) (<= k M) (< j N) (<= (+ k 1) N)), Black: 1120#(and (or (<= i N) (< i (+ k 1))) (or (<= k i) (<= k N)) (or (and (<= res2 res1) (< res1 (+ res2 1))) (<= (+ k 1) N)) (or (not (= k i)) (and (<= res2 res1) (< res1 (+ res2 1))))), Black: 989#(and (<= (+ j 1) i) (<= k M) (< (+ j 1) N) (<= (+ k 1) N)), Black: 1124#(and (< k (+ N 1)) (or (= res2 res1) (not (= 2 k))) (= 2 i) (< i (+ N 1)) (<= N 2)), Black: 991#(and (<= k M) (< j N) (<= j i)), Black: 738#(and (or (<= (+ i 1) N) (and (<= res2 res1) (< res1 (+ res2 1)))) (= i res1) (or (and (< 0 M) (not (= M res1)) (<= (+ M res1 1) N)) (and (<= res2 (+ res1 (select A i))) (<= (+ res1 (select A i)) res2))) (exists ((v_k_42 Int)) (and (= res2 (+ (select A v_k_42) i)) (<= k (+ v_k_42 1)) (<= v_k_42 M))) (<= j i)), Black: 975#(and (<= (+ j 1) i) (<= (+ j 1) N) (= M k) (<= (+ k 1) N)), Black: 692#(or (and (<= (+ M i) N) (< 0 M)) (and (<= res2 res1) (< res1 (+ res2 1)))), Black: 1098#(and (< k (+ N 1)) (or (= res2 res1) (not (= 2 k))) (= 2 i) (< i (+ N 1))), Black: 1228#(and (< k (+ N 1)) (= 2 i) (< i (+ N 1)) (or (not (= k i)) (= res2 res1))), Black: 742#(and (or (and (<= (+ M i) N) (< 0 M)) (and (<= res2 res1) (< res1 (+ res2 1)))) (or (and (= res2 res1) (< j (+ M 1))) (< j M))), 1261#true, Black: 694#(and (<= res2 res1) (< res1 (+ res2 1))), Black: 236#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ j 1) M)), Black: 744#(and (<= res2 res1) (< res1 (+ res2 1)) (< j (+ M 1))), 752#true, 1137#(<= N (+ i 2)), 242#(<= M j), 1141#true, Black: 344#(and (= (+ j (select A j)) res1) (= j 0) (= j res2)), Black: 333#(and (<= res1 res2) (< res2 (+ res1 1))), Black: 241#(and (= j i) (<= M N)), Black: 244#(and (= j i) (<= M N) (<= M j)), Black: 596#(and (<= res2 res1) (< res1 (+ res2 1))), 252#(<= N k), 637#true]) [2021-03-26 06:49:24,145 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is not cut-off event [2021-03-26 06:49:24,145 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-26 06:49:24,145 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 06:49:24,145 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-26 06:49:24,177 INFO L129 PetriNetUnfolder]: 361/965 cut-off events. [2021-03-26 06:49:24,177 INFO L130 PetriNetUnfolder]: For 27465/27630 co-relation queries the response was YES. [2021-03-26 06:49:24,182 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7812 conditions, 965 events. 361/965 cut-off events. For 27465/27630 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 7329 event pairs, 50 based on Foata normal form. 5/940 useless extension candidates. Maximal degree in co-relation 7673. Up to 278 conditions per place. [2021-03-26 06:49:24,187 INFO L142 LiptonReduction]: Number of co-enabled transitions 558 [2021-03-26 06:49:24,201 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:24,201 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:24,201 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 130 [2021-03-26 06:49:24,201 INFO L480 AbstractCegarLoop]: Abstraction has has 184 places, 263 transitions, 4330 flow [2021-03-26 06:49:24,201 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:24,202 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:24,202 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:24,415 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:24,416 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:24,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:24,416 INFO L82 PathProgramCache]: Analyzing trace with hash 160713674, now seen corresponding path program 1 times [2021-03-26 06:49:24,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:24,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376227289] [2021-03-26 06:49:24,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:24,426 INFO L142 QuantifierPusher]: treesize reduction 12, result has 57.1 percent of original size [2021-03-26 06:49:24,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:24,434 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:49:24,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:24,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:24,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:24,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:24,447 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:24,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376227289] [2021-03-26 06:49:24,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9071130] [2021-03-26 06:49:24,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:24,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:49:24,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:24,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:24,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:24,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:24,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:24,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:24,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:24,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:24,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:24,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:24,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:24,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:24,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:24,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:24,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:24,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:24,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:24,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:24,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:24,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:24,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:24,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:24,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:24,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:24,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:24,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:24,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:24,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:24,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:24,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:24,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:24,506 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-03-26 06:49:24,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:24,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:24,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:49:24,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:24,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:24,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:49:24,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:24,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:24,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:24,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:24,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:24,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:24,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:24,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:24,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:24,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:24,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:24,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:24,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:24,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:24,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:24,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:24,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:24,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:24,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:24,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:24,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:24,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:24,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:24,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:24,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:24,531 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:24,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:24,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-03-26 06:49:24,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045619549] [2021-03-26 06:49:24,531 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 06:49:24,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:24,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 06:49:24,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-26 06:49:24,533 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 56 [2021-03-26 06:49:24,533 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 263 transitions, 4330 flow. Second operand has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:24,533 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:24,533 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 56 [2021-03-26 06:49:24,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:24,775 INFO L129 PetriNetUnfolder]: 470/1086 cut-off events. [2021-03-26 06:49:24,776 INFO L130 PetriNetUnfolder]: For 34922/34939 co-relation queries the response was YES. [2021-03-26 06:49:24,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9962 conditions, 1086 events. 470/1086 cut-off events. For 34922/34939 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 7531 event pairs, 18 based on Foata normal form. 8/1094 useless extension candidates. Maximal degree in co-relation 9738. Up to 435 conditions per place. [2021-03-26 06:49:24,786 INFO L132 encePairwiseOnDemand]: 44/56 looper letters, 290 selfloop transitions, 45 changer transitions 1/342 dead transitions. [2021-03-26 06:49:24,787 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 342 transitions, 6170 flow [2021-03-26 06:49:24,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 06:49:24,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 06:49:24,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 181 transitions. [2021-03-26 06:49:24,788 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32321428571428573 [2021-03-26 06:49:24,788 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 181 transitions. [2021-03-26 06:49:24,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 181 transitions. [2021-03-26 06:49:24,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:24,788 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 181 transitions. [2021-03-26 06:49:24,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 18.1) internal successors, (181), 10 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:24,789 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 56.0) internal successors, (616), 11 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:24,789 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 56.0) internal successors, (616), 11 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:24,789 INFO L185 Difference]: Start difference. First operand has 184 places, 263 transitions, 4330 flow. Second operand 10 states and 181 transitions. [2021-03-26 06:49:24,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 342 transitions, 6170 flow [2021-03-26 06:49:24,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 342 transitions, 5910 flow, removed 68 selfloop flow, removed 4 redundant places. [2021-03-26 06:49:24,900 INFO L241 Difference]: Finished difference. Result has 189 places, 270 transitions, 4323 flow [2021-03-26 06:49:24,901 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=4085, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4323, PETRI_PLACES=189, PETRI_TRANSITIONS=270} [2021-03-26 06:49:24,901 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 168 predicate places. [2021-03-26 06:49:24,901 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:24,901 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 189 places, 270 transitions, 4323 flow [2021-03-26 06:49:24,901 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 189 places, 270 transitions, 4323 flow [2021-03-26 06:49:24,903 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 187 places, 270 transitions, 4323 flow [2021-03-26 06:49:24,987 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([92] L21-->thread1EXIT: Formula: (not (< v_i_7 v_N_8)) InVars {N=v_N_8, i=v_i_7} OutVars{N=v_N_8, i=v_i_7} AuxVars[] AssignedVars[][126], [Black: 250#(and (= M k) (= i 0) (<= 0 M)), Black: 254#(and (= M k) (= i 0) (<= 0 M) (<= N M)), 7#thread2EXITtrue, Black: 262#(<= (+ i 1) N), 10#thread1EXITtrue, 13#L54true, Black: 141#(and (<= k M) (<= j i) (<= N M)), Black: 143#(and (<= k M) (<= j i) (<= (+ j 1) M) (<= N M)), 20#thread3EXITtrue, Black: 900#(and (< 1 N) (<= i 1)), Black: 528#(and (= M k) (<= 0 k) (<= i 1)), Black: 532#(and (< 1 N) (<= 0 k) (<= i 1)), 920#true, 536#true, Black: 771#(<= k i), Black: 803#(and (<= k i) (<= (+ k 1) N)), Black: 1056#(and (or (<= (+ i 1) N) (and (<= res2 res1) (< res1 (+ res2 1)))) (<= (+ res1 (select A i) (select A (+ k (- 1)))) res2) (= i res1) (= i 0) (<= k N) (<= res2 (+ res1 (select A i) (select A (+ k (- 1))))) (= (+ i (select A (+ k (- 2))) (select A (+ k (- 1)))) res2)), Black: 756#(<= k (+ i 1)), Black: 1009#(or (<= (+ i 1) N) (and (<= res2 res1) (< res1 (+ res2 1)))), Black: 1267#(<= (+ k 1) N), Black: 1271#(and (<= k M) (<= j i)), Black: 380#(and (<= res1 res2) (< res2 (+ res1 1))), Black: 1160#(<= k i), Black: 1192#(and (<= k i) (<= (+ k 1) N)), Black: 1145#(<= k (+ i 2)), 813#(<= N (+ i 1)), Black: 642#(and (<= res2 res1) (< res1 (+ res2 1))), Black: 663#(and (<= i 0) (= i res1) (exists ((k Int)) (and (<= 1 k) (= (+ i (select A (+ k (- 1)))) res2) (<= k (+ i 1))))), 1326#(<= N k), Black: 45#(= res2 res1), 688#true, 48#true, Black: 304#(and (<= (+ i 1) N) (<= M N) (<= i j)), Black: 313#(and (= j res1) (= M k) (= i res1) (<= N M)), Black: 190#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ k 1) N)), Black: 324#(and (= j res1) (<= k res1) (= M k) (= i res1)), 329#true, Black: 584#(and (or (and (<= (+ M i) N) (< 0 M)) (and (<= res1 res2) (< res2 (+ res1 1)))) (= j 0) (<= 0 M)), Black: 586#(and (= j 0) (<= 0 M) (<= res1 res2) (< res2 (+ res1 1))), Black: 539#(or (and (= M k) (< 0 M) (<= i 1)) (and (<= (+ (select A k) res2) res1) (<= res1 (+ (select A k) res2)))), Black: 540#(or (and (<= (+ M i) N) (< 0 M)) (and (<= res1 res2) (< res2 (+ res1 1)))), Black: 91#(and (<= k i) (<= k M) (<= j i)), Black: 435#(and (<= res1 res2) (< res2 (+ res1 1))), Black: 93#(and (<= k i) (<= k M) (<= j i) (<= (+ k 1) N)), Black: 827#(<= k i), Black: 476#(and (<= i (+ res2 1)) (or (= M k) (and (<= (+ (select A k) res2) res1) (<= res1 (+ (select A k) res2)))) (= res1 (+ res2 (select A res2))) (<= 0 k) (= res2 0)), 98#true, Black: 812#(<= k (+ i 1)), 482#true, Black: 993#(and (<= k M) (< j N) (<= j i) (<= (+ k 1) N)), Black: 977#(and (<= (+ j 1) i) (= M k) (<= (+ j 2) N) (<= (+ k 1) N)), Black: 979#(and (<= (+ j 1) N) (= M k) (<= j i)), Black: 983#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ k 1) N)), Black: 985#(and (<= (+ j 1) i) (<= k M) (< j N) (<= (+ k 1) N)), Black: 989#(and (<= (+ j 1) i) (<= k M) (< (+ j 1) N) (<= (+ k 1) N)), Black: 1120#(and (or (<= i N) (< i (+ k 1))) (or (<= k i) (<= k N)) (or (and (<= res2 res1) (< res1 (+ res2 1))) (<= (+ k 1) N)) (or (not (= k i)) (and (<= res2 res1) (< res1 (+ res2 1))))), Black: 991#(and (<= k M) (< j N) (<= j i)), Black: 1124#(and (< k (+ N 1)) (or (= res2 res1) (not (= 2 k))) (= 2 i) (< i (+ N 1)) (<= N 2)), Black: 738#(and (or (<= (+ i 1) N) (and (<= res2 res1) (< res1 (+ res2 1)))) (= i res1) (or (and (< 0 M) (not (= M res1)) (<= (+ M res1 1) N)) (and (<= res2 (+ res1 (select A i))) (<= (+ res1 (select A i)) res2))) (exists ((v_k_42 Int)) (and (= res2 (+ (select A v_k_42) i)) (<= k (+ v_k_42 1)) (<= v_k_42 M))) (<= j i)), Black: 975#(and (<= (+ j 1) i) (<= (+ j 1) N) (= M k) (<= (+ k 1) N)), Black: 692#(or (and (<= (+ M i) N) (< 0 M)) (and (<= res2 res1) (< res1 (+ res2 1)))), Black: 1098#(and (< k (+ N 1)) (or (= res2 res1) (not (= 2 k))) (= 2 i) (< i (+ N 1))), Black: 742#(and (or (and (<= (+ M i) N) (< 0 M)) (and (<= res2 res1) (< res1 (+ res2 1)))) (or (and (= res2 res1) (< j (+ M 1))) (< j M))), Black: 1228#(and (< k (+ N 1)) (= 2 i) (< i (+ N 1)) (or (not (= k i)) (= res2 res1))), Black: 694#(and (<= res2 res1) (< res1 (+ res2 1))), Black: 236#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ j 1) M)), Black: 744#(and (<= res2 res1) (< res1 (+ res2 1)) (< j (+ M 1))), 752#true, 1137#(<= N (+ i 2)), 242#(<= M j), 1141#true, Black: 344#(and (= (+ j (select A j)) res1) (= j 0) (= j res2)), Black: 241#(and (= j i) (<= M N)), Black: 333#(and (<= res1 res2) (< res2 (+ res1 1))), Black: 244#(and (= j i) (<= M N) (<= M j)), Black: 596#(and (<= res2 res1) (< res1 (+ res2 1))), 252#(<= N k), 637#true]) [2021-03-26 06:49:24,988 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is not cut-off event [2021-03-26 06:49:24,988 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-26 06:49:24,988 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-26 06:49:24,988 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 06:49:25,031 INFO L129 PetriNetUnfolder]: 389/1001 cut-off events. [2021-03-26 06:49:25,031 INFO L130 PetriNetUnfolder]: For 28671/28824 co-relation queries the response was YES. [2021-03-26 06:49:25,039 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8006 conditions, 1001 events. 389/1001 cut-off events. For 28671/28824 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 7459 event pairs, 43 based on Foata normal form. 8/984 useless extension candidates. Maximal degree in co-relation 7850. Up to 294 conditions per place. [2021-03-26 06:49:25,049 INFO L142 LiptonReduction]: Number of co-enabled transitions 550 [2021-03-26 06:49:25,128 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 06:49:25,128 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 06:49:25,128 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 227 [2021-03-26 06:49:25,129 INFO L480 AbstractCegarLoop]: Abstraction has has 187 places, 270 transitions, 4333 flow [2021-03-26 06:49:25,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:25,129 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:25,129 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:25,343 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-03-26 06:49:25,344 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:25,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:25,344 INFO L82 PathProgramCache]: Analyzing trace with hash -146031589, now seen corresponding path program 2 times [2021-03-26 06:49:25,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:25,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604407523] [2021-03-26 06:49:25,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:25,366 INFO L142 QuantifierPusher]: treesize reduction 28, result has 60.0 percent of original size [2021-03-26 06:49:25,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 06:49:25,400 INFO L142 QuantifierPusher]: treesize reduction 52, result has 59.1 percent of original size [2021-03-26 06:49:25,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 06:49:25,435 INFO L142 QuantifierPusher]: treesize reduction 37, result has 56.5 percent of original size [2021-03-26 06:49:25,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 06:49:25,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:49:25,469 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 06:49:25,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:25,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:25,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604407523] [2021-03-26 06:49:25,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913519042] [2021-03-26 06:49:25,481 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:25,506 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:49:25,506 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:49:25,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-26 06:49:25,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:25,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:25,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:25,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:25,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:25,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:25,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:25,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:25,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:25,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:49:25,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:49:25,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:49:25,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:49:25,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:49:25,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:49:25,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:49:25,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:49:25,555 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-03-26 06:49:25,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:49:25,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:25,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:25,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 06:49:25,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:49:25,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:49:25,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:49:25,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:49:25,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:49:25,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:49:25,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:25,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:49:25,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:49:25,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:25,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:49:25,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:49:25,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:25,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:49:25,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:49:25,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:25,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:49:25,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:49:25,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:25,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:49:25,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:49:25,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:25,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:49:25,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:49:25,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:25,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:25,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:49:25,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:49:25,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:49:25,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:25,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:25,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:49:25,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:49:25,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:25,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:25,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:49:25,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:25,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:25,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:25,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:49:25,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:49:25,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:49:25,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 06:49:25,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 06:49:25,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-26 06:49:25,621 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-26 06:49:25,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-03-26 06:49:25,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:25,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:25,623 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:49:25,627 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:25,628 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:49:25,628 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:3 [2021-03-26 06:49:25,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:25,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:25,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:25,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:25,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:25,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:25,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:25,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:25,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:25,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:25,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:25,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:25,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:25,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:25,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:25,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:25,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:25,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:25,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:25,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:25,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:25,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:25,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:25,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:25,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:25,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 06:49:25,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757621226] [2021-03-26 06:49:25,647 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:49:25,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:25,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:49:25,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:49:25,648 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 57 [2021-03-26 06:49:25,648 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 270 transitions, 4333 flow. Second operand has 11 states, 11 states have (on average 15.181818181818182) internal successors, (167), 11 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:25,648 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:25,648 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 57 [2021-03-26 06:49:25,648 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:25,943 INFO L129 PetriNetUnfolder]: 474/1121 cut-off events. [2021-03-26 06:49:25,943 INFO L130 PetriNetUnfolder]: For 36682/36797 co-relation queries the response was YES. [2021-03-26 06:49:25,948 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10057 conditions, 1121 events. 474/1121 cut-off events. For 36682/36797 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 8008 event pairs, 70 based on Foata normal form. 61/1181 useless extension candidates. Maximal degree in co-relation 9824. Up to 821 conditions per place. [2021-03-26 06:49:25,954 INFO L132 encePairwiseOnDemand]: 48/57 looper letters, 235 selfloop transitions, 42 changer transitions 2/285 dead transitions. [2021-03-26 06:49:25,954 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 285 transitions, 5216 flow [2021-03-26 06:49:25,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 06:49:25,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 06:49:25,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 157 transitions. [2021-03-26 06:49:25,955 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3442982456140351 [2021-03-26 06:49:25,955 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 157 transitions. [2021-03-26 06:49:25,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 157 transitions. [2021-03-26 06:49:25,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:25,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 157 transitions. [2021-03-26 06:49:25,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 19.625) internal successors, (157), 8 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:25,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 57.0) internal successors, (513), 9 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:25,956 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 57.0) internal successors, (513), 9 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:25,956 INFO L185 Difference]: Start difference. First operand has 187 places, 270 transitions, 4333 flow. Second operand 8 states and 157 transitions. [2021-03-26 06:49:25,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 285 transitions, 5216 flow [2021-03-26 06:49:26,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 285 transitions, 5080 flow, removed 58 selfloop flow, removed 4 redundant places. [2021-03-26 06:49:26,073 INFO L241 Difference]: Finished difference. Result has 192 places, 275 transitions, 4454 flow [2021-03-26 06:49:26,073 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=57, PETRI_DIFFERENCE_MINUEND_FLOW=4215, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4454, PETRI_PLACES=192, PETRI_TRANSITIONS=275} [2021-03-26 06:49:26,073 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 171 predicate places. [2021-03-26 06:49:26,074 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:26,074 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 192 places, 275 transitions, 4454 flow [2021-03-26 06:49:26,074 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 192 places, 275 transitions, 4454 flow [2021-03-26 06:49:26,076 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 192 places, 275 transitions, 4454 flow [2021-03-26 06:49:26,130 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([92] L21-->thread1EXIT: Formula: (not (< v_i_7 v_N_8)) InVars {N=v_N_8, i=v_i_7} OutVars{N=v_N_8, i=v_i_7} AuxVars[] AssignedVars[][129], [Black: 250#(and (= M k) (= i 0) (<= 0 M)), Black: 254#(and (= M k) (= i 0) (<= 0 M) (<= N M)), 7#thread2EXITtrue, Black: 262#(<= (+ i 1) N), 10#thread1EXITtrue, 13#L54true, Black: 141#(and (<= k M) (<= j i) (<= N M)), Black: 143#(and (<= k M) (<= j i) (<= (+ j 1) M) (<= N M)), 20#thread3EXITtrue, Black: 1380#(and (<= res2 res1) (< res1 (+ res2 1))), Black: 528#(and (= M k) (<= 0 k) (<= i 1)), Black: 1405#(and (= res1 (select A 0)) (exists ((v_k_63 Int)) (and (<= v_k_63 0) (= (+ (select A (+ v_k_63 1)) (select A v_k_63)) res2) (<= 0 v_k_63))) (= i 1)), Black: 900#(and (< 1 N) (<= i 1)), Black: 532#(and (< 1 N) (<= 0 k) (<= i 1)), 920#true, 536#true, Black: 771#(<= k i), Black: 803#(and (<= k i) (<= (+ k 1) N)), Black: 1056#(and (or (<= (+ i 1) N) (and (<= res2 res1) (< res1 (+ res2 1)))) (<= (+ res1 (select A i) (select A (+ k (- 1)))) res2) (= i res1) (= i 0) (<= k N) (<= res2 (+ res1 (select A i) (select A (+ k (- 1))))) (= (+ i (select A (+ k (- 2))) (select A (+ k (- 1)))) res2)), Black: 756#(<= k (+ i 1)), Black: 1267#(<= (+ k 1) N), Black: 1009#(or (<= (+ i 1) N) (and (<= res2 res1) (< res1 (+ res2 1)))), Black: 1271#(and (<= k M) (<= j i)), Black: 380#(and (<= res1 res2) (< res2 (+ res1 1))), Black: 1160#(<= k i), Black: 1192#(and (<= k i) (<= (+ k 1) N)), Black: 1145#(<= k (+ i 2)), Black: 642#(and (<= res2 res1) (< res1 (+ res2 1))), 813#(<= N (+ i 1)), Black: 663#(and (<= i 0) (= i res1) (exists ((k Int)) (and (<= 1 k) (= (+ i (select A (+ k (- 1)))) res2) (<= k (+ i 1))))), 1326#(<= N k), Black: 45#(= res2 res1), 48#true, 688#true, Black: 304#(and (<= (+ i 1) N) (<= M N) (<= i j)), Black: 313#(and (= j res1) (= M k) (= i res1) (<= N M)), Black: 190#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ k 1) N)), Black: 324#(and (= j res1) (<= k res1) (= M k) (= i res1)), 329#true, Black: 584#(and (or (and (<= (+ M i) N) (< 0 M)) (and (<= res1 res2) (< res2 (+ res1 1)))) (= j 0) (<= 0 M)), Black: 586#(and (= j 0) (<= 0 M) (<= res1 res2) (< res2 (+ res1 1))), Black: 539#(or (and (= M k) (< 0 M) (<= i 1)) (and (<= (+ (select A k) res2) res1) (<= res1 (+ (select A k) res2)))), Black: 540#(or (and (<= (+ M i) N) (< 0 M)) (and (<= res1 res2) (< res2 (+ res1 1)))), 1374#true, Black: 91#(and (<= k i) (<= k M) (<= j i)), Black: 435#(and (<= res1 res2) (< res2 (+ res1 1))), Black: 93#(and (<= k i) (<= k M) (<= j i) (<= (+ k 1) N)), Black: 827#(<= k i), Black: 476#(and (<= i (+ res2 1)) (or (= M k) (and (<= (+ (select A k) res2) res1) (<= res1 (+ (select A k) res2)))) (= res1 (+ res2 (select A res2))) (<= 0 k) (= res2 0)), Black: 812#(<= k (+ i 1)), 98#true, 482#true, Black: 993#(and (<= k M) (< j N) (<= j i) (<= (+ k 1) N)), Black: 977#(and (<= (+ j 1) i) (= M k) (<= (+ j 2) N) (<= (+ k 1) N)), Black: 979#(and (<= (+ j 1) N) (= M k) (<= j i)), Black: 983#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ k 1) N)), Black: 985#(and (<= (+ j 1) i) (<= k M) (< j N) (<= (+ k 1) N)), Black: 1120#(and (or (<= i N) (< i (+ k 1))) (or (<= k i) (<= k N)) (or (and (<= res2 res1) (< res1 (+ res2 1))) (<= (+ k 1) N)) (or (not (= k i)) (and (<= res2 res1) (< res1 (+ res2 1))))), Black: 989#(and (<= (+ j 1) i) (<= k M) (< (+ j 1) N) (<= (+ k 1) N)), Black: 991#(and (<= k M) (< j N) (<= j i)), Black: 738#(and (or (<= (+ i 1) N) (and (<= res2 res1) (< res1 (+ res2 1)))) (= i res1) (or (and (< 0 M) (not (= M res1)) (<= (+ M res1 1) N)) (and (<= res2 (+ res1 (select A i))) (<= (+ res1 (select A i)) res2))) (exists ((v_k_42 Int)) (and (= res2 (+ (select A v_k_42) i)) (<= k (+ v_k_42 1)) (<= v_k_42 M))) (<= j i)), Black: 975#(and (<= (+ j 1) i) (<= (+ j 1) N) (= M k) (<= (+ k 1) N)), Black: 692#(or (and (<= (+ M i) N) (< 0 M)) (and (<= res2 res1) (< res1 (+ res2 1)))), Black: 1098#(and (< k (+ N 1)) (or (= res2 res1) (not (= 2 k))) (= 2 i) (< i (+ N 1))), Black: 742#(and (or (and (<= (+ M i) N) (< 0 M)) (and (<= res2 res1) (< res1 (+ res2 1)))) (or (and (= res2 res1) (< j (+ M 1))) (< j M))), Black: 1228#(and (< k (+ N 1)) (= 2 i) (< i (+ N 1)) (or (not (= k i)) (= res2 res1))), Black: 694#(and (<= res2 res1) (< res1 (+ res2 1))), Black: 236#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ j 1) M)), Black: 744#(and (<= res2 res1) (< res1 (+ res2 1)) (< j (+ M 1))), 752#true, 1137#(<= N (+ i 2)), 242#(<= M j), Black: 344#(and (= (+ j (select A j)) res1) (= j 0) (= j res2)), 1141#true, Black: 241#(and (= j i) (<= M N)), Black: 333#(and (<= res1 res2) (< res2 (+ res1 1))), Black: 244#(and (= j i) (<= M N) (<= M j)), Black: 596#(and (<= res2 res1) (< res1 (+ res2 1))), 252#(<= N k), 637#true]) [2021-03-26 06:49:26,130 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is not cut-off event [2021-03-26 06:49:26,130 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 06:49:26,130 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-26 06:49:26,130 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-26 06:49:26,214 INFO L129 PetriNetUnfolder]: 368/966 cut-off events. [2021-03-26 06:49:26,214 INFO L130 PetriNetUnfolder]: For 25993/26139 co-relation queries the response was YES. [2021-03-26 06:49:26,221 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7685 conditions, 966 events. 368/966 cut-off events. For 25993/26139 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 7264 event pairs, 39 based on Foata normal form. 9/946 useless extension candidates. Maximal degree in co-relation 7539. Up to 281 conditions per place. [2021-03-26 06:49:26,228 INFO L142 LiptonReduction]: Number of co-enabled transitions 558 [2021-03-26 06:49:26,242 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:26,242 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:26,242 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 169 [2021-03-26 06:49:26,243 INFO L480 AbstractCegarLoop]: Abstraction has has 192 places, 275 transitions, 4454 flow [2021-03-26 06:49:26,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 15.181818181818182) internal successors, (167), 11 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:26,243 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:26,243 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:26,463 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:26,464 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:26,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:26,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1568522972, now seen corresponding path program 1 times [2021-03-26 06:49:26,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:26,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45380987] [2021-03-26 06:49:26,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:26,477 INFO L142 QuantifierPusher]: treesize reduction 12, result has 57.1 percent of original size [2021-03-26 06:49:26,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:26,485 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:49:26,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:26,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:26,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:26,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:26,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:26,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45380987] [2021-03-26 06:49:26,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308471826] [2021-03-26 06:49:26,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:26,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:49:26,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:26,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:26,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:26,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:26,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:26,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:26,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:26,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:26,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:26,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:26,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:26,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:26,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:26,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:26,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:26,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:26,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:26,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:26,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:26,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:26,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:26,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:26,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:26,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:26,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:26,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:26,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:26,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:26,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:49:26,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:26,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:26,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:26,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:26,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:26,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:26,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:26,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:26,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:26,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:26,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:26,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:26,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:26,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:26,575 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 06:49:26,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:26,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:26,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:26,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:26,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:26,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:26,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:26,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:26,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:26,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:26,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:26,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:26,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:26,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:26,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:26,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:26,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:26,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:26,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-03-26 06:49:26,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990473696] [2021-03-26 06:49:26,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 06:49:26,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:26,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 06:49:26,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-03-26 06:49:26,584 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 57 [2021-03-26 06:49:26,584 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 275 transitions, 4454 flow. Second operand has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:26,585 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:26,585 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 57 [2021-03-26 06:49:26,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:26,828 INFO L129 PetriNetUnfolder]: 476/1123 cut-off events. [2021-03-26 06:49:26,828 INFO L130 PetriNetUnfolder]: For 32830/32945 co-relation queries the response was YES. [2021-03-26 06:49:26,834 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9877 conditions, 1123 events. 476/1123 cut-off events. For 32830/32945 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 8003 event pairs, 73 based on Foata normal form. 46/1167 useless extension candidates. Maximal degree in co-relation 9668. Up to 800 conditions per place. [2021-03-26 06:49:26,838 INFO L132 encePairwiseOnDemand]: 45/57 looper letters, 238 selfloop transitions, 40 changer transitions 0/284 dead transitions. [2021-03-26 06:49:26,838 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 284 transitions, 5250 flow [2021-03-26 06:49:26,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 06:49:26,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 06:49:26,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 136 transitions. [2021-03-26 06:49:26,840 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3408521303258145 [2021-03-26 06:49:26,840 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 136 transitions. [2021-03-26 06:49:26,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 136 transitions. [2021-03-26 06:49:26,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:26,840 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 136 transitions. [2021-03-26 06:49:26,840 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 19.428571428571427) internal successors, (136), 7 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:26,841 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 57.0) internal successors, (456), 8 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:26,841 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 57.0) internal successors, (456), 8 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:26,841 INFO L185 Difference]: Start difference. First operand has 192 places, 275 transitions, 4454 flow. Second operand 7 states and 136 transitions. [2021-03-26 06:49:26,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 284 transitions, 5250 flow [2021-03-26 06:49:26,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 284 transitions, 5149 flow, removed 34 selfloop flow, removed 3 redundant places. [2021-03-26 06:49:26,934 INFO L241 Difference]: Finished difference. Result has 196 places, 276 transitions, 4479 flow [2021-03-26 06:49:26,935 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=57, PETRI_DIFFERENCE_MINUEND_FLOW=4353, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4479, PETRI_PLACES=196, PETRI_TRANSITIONS=276} [2021-03-26 06:49:26,935 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 175 predicate places. [2021-03-26 06:49:26,935 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:26,935 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 196 places, 276 transitions, 4479 flow [2021-03-26 06:49:26,935 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 196 places, 276 transitions, 4479 flow [2021-03-26 06:49:26,937 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 196 places, 276 transitions, 4479 flow [2021-03-26 06:49:27,002 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([92] L21-->thread1EXIT: Formula: (not (< v_i_7 v_N_8)) InVars {N=v_N_8, i=v_i_7} OutVars{N=v_N_8, i=v_i_7} AuxVars[] AssignedVars[][94], [Black: 250#(and (= M k) (= i 0) (<= 0 M)), Black: 254#(and (= M k) (= i 0) (<= 0 M) (<= N M)), 7#thread2EXITtrue, Black: 262#(<= (+ i 1) N), 10#thread1EXITtrue, 13#L54true, Black: 141#(and (<= k M) (<= j i) (<= N M)), Black: 143#(and (<= k M) (<= j i) (<= (+ j 1) M) (<= N M)), 20#thread3EXITtrue, Black: 1380#(and (<= res2 res1) (< res1 (+ res2 1))), Black: 528#(and (= M k) (<= 0 k) (<= i 1)), Black: 1405#(and (= res1 (select A 0)) (exists ((v_k_63 Int)) (and (<= v_k_63 0) (= (+ (select A (+ v_k_63 1)) (select A v_k_63)) res2) (<= 0 v_k_63))) (= i 1)), Black: 900#(and (< 1 N) (<= i 1)), Black: 532#(and (< 1 N) (<= 0 k) (<= i 1)), 1431#true, 536#true, 920#true, Black: 771#(<= k i), Black: 803#(and (<= k i) (<= (+ k 1) N)), Black: 1056#(and (or (<= (+ i 1) N) (and (<= res2 res1) (< res1 (+ res2 1)))) (<= (+ res1 (select A i) (select A (+ k (- 1)))) res2) (= i res1) (= i 0) (<= k N) (<= res2 (+ res1 (select A i) (select A (+ k (- 1))))) (= (+ i (select A (+ k (- 2))) (select A (+ k (- 1)))) res2)), Black: 756#(<= k (+ i 1)), Black: 1267#(<= (+ k 1) N), Black: 1009#(or (<= (+ i 1) N) (and (<= res2 res1) (< res1 (+ res2 1)))), Black: 1271#(and (<= k M) (<= j i)), Black: 380#(and (<= res1 res2) (< res2 (+ res1 1))), Black: 1160#(<= k i), Black: 1192#(and (<= k i) (<= (+ k 1) N)), Black: 1145#(<= k (+ i 2)), Black: 642#(and (<= res2 res1) (< res1 (+ res2 1))), 813#(<= N (+ i 1)), Black: 663#(and (<= i 0) (= i res1) (exists ((k Int)) (and (<= 1 k) (= (+ i (select A (+ k (- 1)))) res2) (<= k (+ i 1))))), 1326#(<= N k), Black: 45#(= res2 res1), 48#true, 688#true, Black: 304#(and (<= (+ i 1) N) (<= M N) (<= i j)), Black: 313#(and (= j res1) (= M k) (= i res1) (<= N M)), Black: 190#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ k 1) N)), Black: 324#(and (= j res1) (<= k res1) (= M k) (= i res1)), 329#true, Black: 1463#(and (< 2 N) (<= i 2)), Black: 584#(and (or (and (<= (+ M i) N) (< 0 M)) (and (<= res1 res2) (< res2 (+ res1 1)))) (= j 0) (<= 0 M)), Black: 586#(and (= j 0) (<= 0 M) (<= res1 res2) (< res2 (+ res1 1))), Black: 539#(or (and (= M k) (< 0 M) (<= i 1)) (and (<= (+ (select A k) res2) res1) (<= res1 (+ (select A k) res2)))), Black: 540#(or (and (<= (+ M i) N) (< 0 M)) (and (<= res1 res2) (< res2 (+ res1 1)))), 1374#true, Black: 435#(and (<= res1 res2) (< res2 (+ res1 1))), Black: 91#(and (<= k i) (<= k M) (<= j i)), Black: 93#(and (<= k i) (<= k M) (<= j i) (<= (+ k 1) N)), Black: 827#(<= k i), Black: 476#(and (<= i (+ res2 1)) (or (= M k) (and (<= (+ (select A k) res2) res1) (<= res1 (+ (select A k) res2)))) (= res1 (+ res2 (select A res2))) (<= 0 k) (= res2 0)), 98#true, Black: 812#(<= k (+ i 1)), 482#true, Black: 993#(and (<= k M) (< j N) (<= j i) (<= (+ k 1) N)), Black: 977#(and (<= (+ j 1) i) (= M k) (<= (+ j 2) N) (<= (+ k 1) N)), Black: 979#(and (<= (+ j 1) N) (= M k) (<= j i)), Black: 983#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ k 1) N)), Black: 985#(and (<= (+ j 1) i) (<= k M) (< j N) (<= (+ k 1) N)), Black: 1120#(and (or (<= i N) (< i (+ k 1))) (or (<= k i) (<= k N)) (or (and (<= res2 res1) (< res1 (+ res2 1))) (<= (+ k 1) N)) (or (not (= k i)) (and (<= res2 res1) (< res1 (+ res2 1))))), Black: 989#(and (<= (+ j 1) i) (<= k M) (< (+ j 1) N) (<= (+ k 1) N)), Black: 991#(and (<= k M) (< j N) (<= j i)), Black: 738#(and (or (<= (+ i 1) N) (and (<= res2 res1) (< res1 (+ res2 1)))) (= i res1) (or (and (< 0 M) (not (= M res1)) (<= (+ M res1 1) N)) (and (<= res2 (+ res1 (select A i))) (<= (+ res1 (select A i)) res2))) (exists ((v_k_42 Int)) (and (= res2 (+ (select A v_k_42) i)) (<= k (+ v_k_42 1)) (<= v_k_42 M))) (<= j i)), Black: 975#(and (<= (+ j 1) i) (<= (+ j 1) N) (= M k) (<= (+ k 1) N)), Black: 692#(or (and (<= (+ M i) N) (< 0 M)) (and (<= res2 res1) (< res1 (+ res2 1)))), Black: 1098#(and (< k (+ N 1)) (or (= res2 res1) (not (= 2 k))) (= 2 i) (< i (+ N 1))), Black: 742#(and (or (and (<= (+ M i) N) (< 0 M)) (and (<= res2 res1) (< res1 (+ res2 1)))) (or (and (= res2 res1) (< j (+ M 1))) (< j M))), Black: 1228#(and (< k (+ N 1)) (= 2 i) (< i (+ N 1)) (or (not (= k i)) (= res2 res1))), Black: 694#(and (<= res2 res1) (< res1 (+ res2 1))), Black: 236#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ j 1) M)), Black: 744#(and (<= res2 res1) (< res1 (+ res2 1)) (< j (+ M 1))), 752#true, 1137#(<= N (+ i 2)), 242#(<= M j), 1141#true, Black: 344#(and (= (+ j (select A j)) res1) (= j 0) (= j res2)), Black: 241#(and (= j i) (<= M N)), Black: 333#(and (<= res1 res2) (< res2 (+ res1 1))), Black: 244#(and (= j i) (<= M N) (<= M j)), Black: 596#(and (<= res2 res1) (< res1 (+ res2 1))), 252#(<= N k), 637#true]) [2021-03-26 06:49:27,002 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is not cut-off event [2021-03-26 06:49:27,002 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 06:49:27,002 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-26 06:49:27,002 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-26 06:49:27,034 INFO L129 PetriNetUnfolder]: 388/1018 cut-off events. [2021-03-26 06:49:27,034 INFO L130 PetriNetUnfolder]: For 27928/27994 co-relation queries the response was YES. [2021-03-26 06:49:27,039 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8151 conditions, 1018 events. 388/1018 cut-off events. For 27928/27994 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 7702 event pairs, 38 based on Foata normal form. 9/1011 useless extension candidates. Maximal degree in co-relation 7899. Up to 293 conditions per place. [2021-03-26 06:49:27,046 INFO L142 LiptonReduction]: Number of co-enabled transitions 560 [2021-03-26 06:49:27,056 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:27,056 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:27,056 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 121 [2021-03-26 06:49:27,057 INFO L480 AbstractCegarLoop]: Abstraction has has 196 places, 276 transitions, 4479 flow [2021-03-26 06:49:27,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:27,057 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:27,057 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:27,264 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2021-03-26 06:49:27,264 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:27,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:27,265 INFO L82 PathProgramCache]: Analyzing trace with hash 810263593, now seen corresponding path program 4 times [2021-03-26 06:49:27,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:27,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922938438] [2021-03-26 06:49:27,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:27,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:27,275 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:49:27,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:27,280 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:27,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:27,285 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:27,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:27,290 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:27,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:27,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:27,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:27,303 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:27,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922938438] [2021-03-26 06:49:27,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208008665] [2021-03-26 06:49:27,304 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:27,326 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 06:49:27,326 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:49:27,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:49:27,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:27,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:27,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:27,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:27,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:27,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:27,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:27,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:27,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:27,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:27,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:27,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:27,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:27,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:27,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:27,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:27,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:27,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:27,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:27,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:27,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:27,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:27,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:27,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:27,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:27,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:27,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:27,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:27,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:27,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:27,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:27,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:27,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:27,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:27,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:27,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:27,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:27,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:27,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:27,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:27,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:27,380 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 06:49:27,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:27,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:27,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:27,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:27,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:27,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:27,387 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:49:27,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:27,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:27,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:27,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:27,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:27,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:27,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:27,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:27,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:27,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:27,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:27,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:27,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:27,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:27,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:27,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:27,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:27,395 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:27,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:27,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-26 06:49:27,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125886755] [2021-03-26 06:49:27,395 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:49:27,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:27,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:49:27,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:49:27,396 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 57 [2021-03-26 06:49:27,396 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 276 transitions, 4479 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:27,397 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:27,397 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 57 [2021-03-26 06:49:27,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:27,777 INFO L129 PetriNetUnfolder]: 488/1155 cut-off events. [2021-03-26 06:49:27,777 INFO L130 PetriNetUnfolder]: For 34475/34492 co-relation queries the response was YES. [2021-03-26 06:49:27,783 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10231 conditions, 1155 events. 488/1155 cut-off events. For 34475/34492 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 8261 event pairs, 67 based on Foata normal form. 21/1176 useless extension candidates. Maximal degree in co-relation 10010. Up to 549 conditions per place. [2021-03-26 06:49:27,787 INFO L132 encePairwiseOnDemand]: 47/57 looper letters, 176 selfloop transitions, 128 changer transitions 0/311 dead transitions. [2021-03-26 06:49:27,787 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 311 transitions, 5863 flow [2021-03-26 06:49:27,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 06:49:27,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 06:49:27,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 342 transitions. [2021-03-26 06:49:27,797 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.375 [2021-03-26 06:49:27,797 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 342 transitions. [2021-03-26 06:49:27,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 342 transitions. [2021-03-26 06:49:27,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:27,797 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 342 transitions. [2021-03-26 06:49:27,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 21.375) internal successors, (342), 16 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:27,799 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 57.0) internal successors, (969), 17 states have internal predecessors, (969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:27,799 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 57.0) internal successors, (969), 17 states have internal predecessors, (969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:27,799 INFO L185 Difference]: Start difference. First operand has 196 places, 276 transitions, 4479 flow. Second operand 16 states and 342 transitions. [2021-03-26 06:49:27,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 311 transitions, 5863 flow [2021-03-26 06:49:27,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 311 transitions, 5772 flow, removed 11 selfloop flow, removed 4 redundant places. [2021-03-26 06:49:27,904 INFO L241 Difference]: Finished difference. Result has 213 places, 298 transitions, 5086 flow [2021-03-26 06:49:27,904 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=57, PETRI_DIFFERENCE_MINUEND_FLOW=4388, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=108, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=5086, PETRI_PLACES=213, PETRI_TRANSITIONS=298} [2021-03-26 06:49:27,904 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 192 predicate places. [2021-03-26 06:49:27,905 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:27,905 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 213 places, 298 transitions, 5086 flow [2021-03-26 06:49:27,905 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 213 places, 298 transitions, 5086 flow [2021-03-26 06:49:27,907 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 213 places, 298 transitions, 5086 flow [2021-03-26 06:49:27,952 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([92] L21-->thread1EXIT: Formula: (not (< v_i_7 v_N_8)) InVars {N=v_N_8, i=v_i_7} OutVars{N=v_N_8, i=v_i_7} AuxVars[] AssignedVars[][99], [Black: 250#(and (= M k) (= i 0) (<= 0 M)), Black: 254#(and (= M k) (= i 0) (<= 0 M) (<= N M)), 7#thread2EXITtrue, Black: 262#(<= (+ i 1) N), 10#thread1EXITtrue, 13#L54true, Black: 141#(and (<= k M) (<= j i) (<= N M)), Black: 143#(and (<= k M) (<= j i) (<= (+ j 1) M) (<= N M)), 20#thread3EXITtrue, Black: 1537#(and (<= (+ j 1) i) (<= (+ j 1) N) (= M k) (<= (+ j 1) M)), Black: 1380#(and (<= res2 res1) (< res1 (+ res2 1))), Black: 528#(and (= M k) (<= 0 k) (<= i 1)), Black: 1553#(and (<= (+ j 1) i) (<= k M) (< (+ j 1) N) (<= (+ j 1) M)), Black: 1405#(and (= res1 (select A 0)) (exists ((v_k_63 Int)) (and (<= v_k_63 0) (= (+ (select A (+ v_k_63 1)) (select A v_k_63)) res2) (<= 0 v_k_63))) (= i 1)), Black: 900#(and (< 1 N) (<= i 1)), Black: 1555#(and (<= k M) (< j N) (<= j i) (<= (+ j 1) M)), Black: 532#(and (< 1 N) (<= 0 k) (<= i 1)), Black: 1541#(and (<= (+ j 1) i) (= M k) (<= (+ j 2) N) (<= (+ j 1) M)), 536#true, 920#true, Black: 1545#(and (<= (+ j 1) i) (<= k M) (< j N) (<= (+ j 1) M)), Black: 1549#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ j 1) M)), Black: 771#(<= k i), Black: 803#(and (<= k i) (<= (+ k 1) N)), Black: 1056#(and (or (<= (+ i 1) N) (and (<= res2 res1) (< res1 (+ res2 1)))) (<= (+ res1 (select A i) (select A (+ k (- 1)))) res2) (= i res1) (= i 0) (<= k N) (<= res2 (+ res1 (select A i) (select A (+ k (- 1))))) (= (+ i (select A (+ k (- 2))) (select A (+ k (- 1)))) res2)), Black: 756#(<= k (+ i 1)), Black: 1009#(or (<= (+ i 1) N) (and (<= res2 res1) (< res1 (+ res2 1)))), Black: 1267#(<= (+ k 1) N), Black: 1271#(and (<= k M) (<= j i)), Black: 1160#(<= k i), Black: 380#(and (<= res1 res2) (< res2 (+ res1 1))), Black: 1192#(and (<= k i) (<= (+ k 1) N)), Black: 1145#(<= k (+ i 2)), Black: 642#(and (<= res2 res1) (< res1 (+ res2 1))), 813#(<= N (+ i 1)), Black: 663#(and (<= i 0) (= i res1) (exists ((k Int)) (and (<= 1 k) (= (+ i (select A (+ k (- 1)))) res2) (<= k (+ i 1))))), 1326#(<= N k), Black: 45#(= res2 res1), 48#true, 688#true, Black: 304#(and (<= (+ i 1) N) (<= M N) (<= i j)), Black: 313#(and (= j res1) (= M k) (= i res1) (<= N M)), Black: 190#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ k 1) N)), Black: 324#(and (= j res1) (<= k res1) (= M k) (= i res1)), 329#true, Black: 1463#(and (< 2 N) (<= i 2)), 1482#true, Black: 584#(and (or (and (<= (+ M i) N) (< 0 M)) (and (<= res1 res2) (< res2 (+ res1 1)))) (= j 0) (<= 0 M)), Black: 586#(and (= j 0) (<= 0 M) (<= res1 res2) (< res2 (+ res1 1))), Black: 539#(or (and (= M k) (< 0 M) (<= i 1)) (and (<= (+ (select A k) res2) res1) (<= res1 (+ (select A k) res2)))), Black: 540#(or (and (<= (+ M i) N) (< 0 M)) (and (<= res1 res2) (< res2 (+ res1 1)))), 1374#true, Black: 91#(and (<= k i) (<= k M) (<= j i)), Black: 435#(and (<= res1 res2) (< res2 (+ res1 1))), Black: 93#(and (<= k i) (<= k M) (<= j i) (<= (+ k 1) N)), Black: 827#(<= k i), Black: 476#(and (<= i (+ res2 1)) (or (= M k) (and (<= (+ (select A k) res2) res1) (<= res1 (+ (select A k) res2)))) (= res1 (+ res2 (select A res2))) (<= 0 k) (= res2 0)), Black: 812#(<= k (+ i 1)), 98#true, 482#true, Black: 993#(and (<= k M) (< j N) (<= j i) (<= (+ k 1) N)), Black: 977#(and (<= (+ j 1) i) (= M k) (<= (+ j 2) N) (<= (+ k 1) N)), Black: 979#(and (<= (+ j 1) N) (= M k) (<= j i)), Black: 983#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ k 1) N)), Black: 985#(and (<= (+ j 1) i) (<= k M) (< j N) (<= (+ k 1) N)), Black: 1120#(and (or (<= i N) (< i (+ k 1))) (or (<= k i) (<= k N)) (or (and (<= res2 res1) (< res1 (+ res2 1))) (<= (+ k 1) N)) (or (not (= k i)) (and (<= res2 res1) (< res1 (+ res2 1))))), Black: 989#(and (<= (+ j 1) i) (<= k M) (< (+ j 1) N) (<= (+ k 1) N)), Black: 991#(and (<= k M) (< j N) (<= j i)), Black: 738#(and (or (<= (+ i 1) N) (and (<= res2 res1) (< res1 (+ res2 1)))) (= i res1) (or (and (< 0 M) (not (= M res1)) (<= (+ M res1 1) N)) (and (<= res2 (+ res1 (select A i))) (<= (+ res1 (select A i)) res2))) (exists ((v_k_42 Int)) (and (= res2 (+ (select A v_k_42) i)) (<= k (+ v_k_42 1)) (<= v_k_42 M))) (<= j i)), Black: 975#(and (<= (+ j 1) i) (<= (+ j 1) N) (= M k) (<= (+ k 1) N)), Black: 692#(or (and (<= (+ M i) N) (< 0 M)) (and (<= res2 res1) (< res1 (+ res2 1)))), Black: 1098#(and (< k (+ N 1)) (or (= res2 res1) (not (= 2 k))) (= 2 i) (< i (+ N 1))), Black: 1228#(and (< k (+ N 1)) (= 2 i) (< i (+ N 1)) (or (not (= k i)) (= res2 res1))), Black: 742#(and (or (and (<= (+ M i) N) (< 0 M)) (and (<= res2 res1) (< res1 (+ res2 1)))) (or (and (= res2 res1) (< j (+ M 1))) (< j M))), Black: 694#(and (<= res2 res1) (< res1 (+ res2 1))), Black: 236#(and (<= (+ j 1) N) (= M k) (<= j i) (<= (+ j 1) M)), Black: 744#(and (<= res2 res1) (< res1 (+ res2 1)) (< j (+ M 1))), 752#true, 1137#(<= N (+ i 2)), 242#(<= M j), Black: 344#(and (= (+ j (select A j)) res1) (= j 0) (= j res2)), 1141#true, Black: 333#(and (<= res1 res2) (< res2 (+ res1 1))), Black: 241#(and (= j i) (<= M N)), Black: 244#(and (= j i) (<= M N) (<= M j)), Black: 596#(and (<= res2 res1) (< res1 (+ res2 1))), 252#(<= N k), 637#true]) [2021-03-26 06:49:27,953 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 06:49:27,953 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 06:49:27,953 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 06:49:27,953 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 06:49:28,000 INFO L129 PetriNetUnfolder]: 414/1064 cut-off events. [2021-03-26 06:49:28,001 INFO L130 PetriNetUnfolder]: For 31607/31664 co-relation queries the response was YES. [2021-03-26 06:49:28,006 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8852 conditions, 1064 events. 414/1064 cut-off events. For 31607/31664 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 8080 event pairs, 45 based on Foata normal form. 11/1058 useless extension candidates. Maximal degree in co-relation 8698. Up to 316 conditions per place. [2021-03-26 06:49:28,014 INFO L142 LiptonReduction]: Number of co-enabled transitions 560 [2021-03-26 06:49:28,026 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:28,027 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:28,027 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 123 [2021-03-26 06:49:28,027 INFO L480 AbstractCegarLoop]: Abstraction has has 213 places, 298 transitions, 5086 flow [2021-03-26 06:49:28,027 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:28,027 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:28,027 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:28,243 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:28,244 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:28,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:28,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1090842343, now seen corresponding path program 5 times [2021-03-26 06:49:28,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:28,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311190377] [2021-03-26 06:49:28,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:28,262 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:49:28,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:28,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:49:28,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:28,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:28,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:28,281 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:28,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311190377] [2021-03-26 06:49:28,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892021915] [2021-03-26 06:49:28,281 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:28,311 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:49:28,311 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:49:28,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 06:49:28,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:28,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:28,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:28,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:28,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:28,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:28,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:28,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:28,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:28,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:28,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:28,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:28,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:28,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:28,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:28,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:28,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:28,335 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-26 06:49:28,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:28,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:28,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:28,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:28,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:28,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:28,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:28,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:28,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:28,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:28,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:28,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:28,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:28,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:28,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:28,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:28,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:28,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:28,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:28,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:28,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:28,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:28,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:28,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:28,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:28,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:28,354 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 06:49:28,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:28,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:28,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:28,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:28,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:28,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:28,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:28,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:28,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:28,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:28,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:28,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:28,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:28,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:28,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:28,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:28,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:28,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:28,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:28,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-03-26 06:49:28,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159926595] [2021-03-26 06:49:28,362 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 06:49:28,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:28,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 06:49:28,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-03-26 06:49:28,363 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 57 [2021-03-26 06:49:28,363 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 298 transitions, 5086 flow. Second operand has 8 states, 8 states have (on average 20.25) internal successors, (162), 8 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:28,363 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:28,363 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 57 [2021-03-26 06:49:28,363 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:28,725 INFO L129 PetriNetUnfolder]: 649/1607 cut-off events. [2021-03-26 06:49:28,725 INFO L130 PetriNetUnfolder]: For 57250/57309 co-relation queries the response was YES. [2021-03-26 06:49:28,733 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15173 conditions, 1607 events. 649/1607 cut-off events. For 57250/57309 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 12736 event pairs, 15 based on Foata normal form. 66/1673 useless extension candidates. Maximal degree in co-relation 14956. Up to 487 conditions per place. [2021-03-26 06:49:28,738 INFO L132 encePairwiseOnDemand]: 47/57 looper letters, 296 selfloop transitions, 145 changer transitions 5/453 dead transitions. [2021-03-26 06:49:28,738 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 453 transitions, 9301 flow [2021-03-26 06:49:28,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 06:49:28,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 06:49:28,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 266 transitions. [2021-03-26 06:49:28,740 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42424242424242425 [2021-03-26 06:49:28,740 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 266 transitions. [2021-03-26 06:49:28,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 266 transitions. [2021-03-26 06:49:28,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:28,740 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 266 transitions. [2021-03-26 06:49:28,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 24.181818181818183) internal successors, (266), 11 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:28,741 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 57.0) internal successors, (684), 12 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:28,741 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 57.0) internal successors, (684), 12 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:28,741 INFO L185 Difference]: Start difference. First operand has 213 places, 298 transitions, 5086 flow. Second operand 11 states and 266 transitions. [2021-03-26 06:49:28,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 453 transitions, 9301 flow [2021-03-26 06:49:28,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 453 transitions, 8891 flow, removed 200 selfloop flow, removed 1 redundant places. [2021-03-26 06:49:28,895 INFO L241 Difference]: Finished difference. Result has 228 places, 354 transitions, 6569 flow [2021-03-26 06:49:28,895 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=57, PETRI_DIFFERENCE_MINUEND_FLOW=4912, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=6569, PETRI_PLACES=228, PETRI_TRANSITIONS=354} [2021-03-26 06:49:28,895 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 207 predicate places. [2021-03-26 06:49:28,895 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:28,895 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 228 places, 354 transitions, 6569 flow [2021-03-26 06:49:28,896 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 228 places, 354 transitions, 6569 flow [2021-03-26 06:49:28,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 228 places, 354 transitions, 6569 flow [2021-03-26 06:49:29,047 INFO L129 PetriNetUnfolder]: 574/1491 cut-off events. [2021-03-26 06:49:29,047 INFO L130 PetriNetUnfolder]: For 52486/52644 co-relation queries the response was YES. [2021-03-26 06:49:29,057 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13561 conditions, 1491 events. 574/1491 cut-off events. For 52486/52644 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 12153 event pairs, 47 based on Foata normal form. 10/1477 useless extension candidates. Maximal degree in co-relation 13347. Up to 480 conditions per place. [2021-03-26 06:49:29,067 INFO L142 LiptonReduction]: Number of co-enabled transitions 666 [2021-03-26 06:49:29,083 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:29,083 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:29,084 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 189 [2021-03-26 06:49:29,084 INFO L480 AbstractCegarLoop]: Abstraction has has 228 places, 354 transitions, 6569 flow [2021-03-26 06:49:29,084 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 20.25) internal successors, (162), 8 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:29,084 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:29,084 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:29,293 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2021-03-26 06:49:29,293 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:29,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:29,293 INFO L82 PathProgramCache]: Analyzing trace with hash -918587188, now seen corresponding path program 1 times [2021-03-26 06:49:29,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:29,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90340738] [2021-03-26 06:49:29,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:29,304 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:49:29,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:29,309 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:29,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:29,314 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:29,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:29,319 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:49:29,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:29,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:29,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:29,330 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:29,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90340738] [2021-03-26 06:49:29,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443886277] [2021-03-26 06:49:29,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 06:49:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:29,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 06:49:29,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:29,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:29,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:29,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:29,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:29,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:29,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:29,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:29,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:29,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:29,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:29,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:29,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:29,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:29,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:29,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:29,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:29,392 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-26 06:49:29,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:29,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:29,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:29,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:29,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:29,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:29,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:29,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:29,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:29,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:29,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:29,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:29,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:29,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:29,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:29,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:29,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:29,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:49:29,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:29,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:29,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:29,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:29,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:29,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:29,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:29,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:29,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:29,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:29,422 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 06:49:29,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:29,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:29,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:29,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:29,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:29,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:29,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:29,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:29,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:29,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:29,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:29,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:29,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:29,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:29,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:29,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:29,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:29,430 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:29,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:29,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-03-26 06:49:29,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346767416] [2021-03-26 06:49:29,430 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 06:49:29,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:29,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 06:49:29,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-26 06:49:29,431 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 57 [2021-03-26 06:49:29,431 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 354 transitions, 6569 flow. Second operand has 10 states, 10 states have (on average 17.2) internal successors, (172), 10 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:29,431 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:29,431 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 57 [2021-03-26 06:49:29,431 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:30,040 INFO L129 PetriNetUnfolder]: 703/1874 cut-off events. [2021-03-26 06:49:30,040 INFO L130 PetriNetUnfolder]: For 66425/66555 co-relation queries the response was YES. [2021-03-26 06:49:30,052 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17968 conditions, 1874 events. 703/1874 cut-off events. For 66425/66555 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 15994 event pairs, 18 based on Foata normal form. 107/1981 useless extension candidates. Maximal degree in co-relation 17724. Up to 590 conditions per place. [2021-03-26 06:49:30,059 INFO L132 encePairwiseOnDemand]: 42/57 looper letters, 326 selfloop transitions, 268 changer transitions 6/607 dead transitions. [2021-03-26 06:49:30,059 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 607 transitions, 13391 flow [2021-03-26 06:49:30,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-26 06:49:30,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-26 06:49:30,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 469 transitions. [2021-03-26 06:49:30,060 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35774218154080856 [2021-03-26 06:49:30,060 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 469 transitions. [2021-03-26 06:49:30,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 469 transitions. [2021-03-26 06:49:30,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:30,061 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 469 transitions. [2021-03-26 06:49:30,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 20.391304347826086) internal successors, (469), 23 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:30,063 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 57.0) internal successors, (1368), 24 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:30,063 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 57.0) internal successors, (1368), 24 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:30,063 INFO L185 Difference]: Start difference. First operand has 228 places, 354 transitions, 6569 flow. Second operand 23 states and 469 transitions. [2021-03-26 06:49:30,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 607 transitions, 13391 flow [2021-03-26 06:49:30,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 607 transitions, 12625 flow, removed 365 selfloop flow, removed 3 redundant places. [2021-03-26 06:49:30,272 INFO L241 Difference]: Finished difference. Result has 259 places, 486 transitions, 10226 flow [2021-03-26 06:49:30,272 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=57, PETRI_DIFFERENCE_MINUEND_FLOW=6280, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=148, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=10226, PETRI_PLACES=259, PETRI_TRANSITIONS=486} [2021-03-26 06:49:30,272 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 238 predicate places. [2021-03-26 06:49:30,273 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:30,273 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 259 places, 486 transitions, 10226 flow [2021-03-26 06:49:30,273 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 259 places, 486 transitions, 10226 flow [2021-03-26 06:49:30,277 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 259 places, 486 transitions, 10226 flow [2021-03-26 06:49:30,500 INFO L129 PetriNetUnfolder]: 652/1828 cut-off events. [2021-03-26 06:49:30,500 INFO L130 PetriNetUnfolder]: For 64969/64982 co-relation queries the response was YES. [2021-03-26 06:49:30,513 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16645 conditions, 1828 events. 652/1828 cut-off events. For 64969/64982 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 16197 event pairs, 19 based on Foata normal form. 2/1827 useless extension candidates. Maximal degree in co-relation 16309. Up to 546 conditions per place. [2021-03-26 06:49:30,563 INFO L142 LiptonReduction]: Number of co-enabled transitions 698 [2021-03-26 06:49:30,671 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-26 06:49:30,671 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 06:49:30,671 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 398 [2021-03-26 06:49:30,672 INFO L480 AbstractCegarLoop]: Abstraction has has 259 places, 486 transitions, 10270 flow [2021-03-26 06:49:30,672 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.2) internal successors, (172), 10 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:30,672 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:30,672 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:30,872 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:30,872 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:30,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:30,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1559921793, now seen corresponding path program 6 times [2021-03-26 06:49:30,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:30,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190282546] [2021-03-26 06:49:30,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:30,886 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:49:30,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:30,891 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:30,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:30,897 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:30,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:30,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:30,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:30,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:30,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:30,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190282546] [2021-03-26 06:49:30,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492335955] [2021-03-26 06:49:30,917 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:30,936 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-26 06:49:30,936 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:49:30,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:49:30,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:30,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:30,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:30,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:30,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:30,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:30,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:30,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:30,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:30,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:30,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:30,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:30,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:30,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:30,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:30,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:30,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:30,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:30,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:30,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:30,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:30,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:30,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:30,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:30,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:30,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:30,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:30,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:30,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:30,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:30,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:30,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:30,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:30,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:30,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:30,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:30,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:30,987 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-26 06:49:30,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:30,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:30,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:30,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:30,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:30,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:30,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:30,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:30,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:30,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:30,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:30,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:31,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:31,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:31,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:31,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:31,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:31,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:31,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:31,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:31,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:31,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:31,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:31,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:31,004 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:49:31,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:31,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:31,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:31,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:31,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:31,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:31,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:31,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:31,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:31,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:31,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:31,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:31,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:31,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:31,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:31,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:31,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:31,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:31,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:31,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:31,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:31,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-26 06:49:31,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215881354] [2021-03-26 06:49:31,010 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 06:49:31,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:31,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 06:49:31,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-26 06:49:31,011 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 59 [2021-03-26 06:49:31,011 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 486 transitions, 10270 flow. Second operand has 10 states, 10 states have (on average 17.2) internal successors, (172), 10 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:31,011 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:31,011 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 59 [2021-03-26 06:49:31,011 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:31,611 INFO L129 PetriNetUnfolder]: 716/1915 cut-off events. [2021-03-26 06:49:31,611 INFO L130 PetriNetUnfolder]: For 69643/69810 co-relation queries the response was YES. [2021-03-26 06:49:31,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18912 conditions, 1915 events. 716/1915 cut-off events. For 69643/69810 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 16282 event pairs, 28 based on Foata normal form. 106/2021 useless extension candidates. Maximal degree in co-relation 18646. Up to 846 conditions per place. [2021-03-26 06:49:31,631 INFO L132 encePairwiseOnDemand]: 50/59 looper letters, 373 selfloop transitions, 167 changer transitions 0/547 dead transitions. [2021-03-26 06:49:31,631 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 547 transitions, 12953 flow [2021-03-26 06:49:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 06:49:31,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 06:49:31,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 278 transitions. [2021-03-26 06:49:31,632 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3624511082138201 [2021-03-26 06:49:31,632 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 278 transitions. [2021-03-26 06:49:31,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 278 transitions. [2021-03-26 06:49:31,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:31,632 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 278 transitions. [2021-03-26 06:49:31,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 21.384615384615383) internal successors, (278), 13 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:31,634 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 59.0) internal successors, (826), 14 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:31,634 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 59.0) internal successors, (826), 14 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:31,634 INFO L185 Difference]: Start difference. First operand has 259 places, 486 transitions, 10270 flow. Second operand 13 states and 278 transitions. [2021-03-26 06:49:31,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 547 transitions, 12953 flow [2021-03-26 06:49:32,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 547 transitions, 11054 flow, removed 919 selfloop flow, removed 3 redundant places. [2021-03-26 06:49:32,013 INFO L241 Difference]: Finished difference. Result has 271 places, 502 transitions, 9401 flow [2021-03-26 06:49:32,014 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=8798, PETRI_DIFFERENCE_MINUEND_PLACES=256, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=486, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=151, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=9401, PETRI_PLACES=271, PETRI_TRANSITIONS=502} [2021-03-26 06:49:32,014 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 250 predicate places. [2021-03-26 06:49:32,014 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:32,014 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 271 places, 502 transitions, 9401 flow [2021-03-26 06:49:32,014 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 271 places, 502 transitions, 9401 flow [2021-03-26 06:49:32,017 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 271 places, 502 transitions, 9401 flow [2021-03-26 06:49:32,225 INFO L129 PetriNetUnfolder]: 664/1849 cut-off events. [2021-03-26 06:49:32,226 INFO L130 PetriNetUnfolder]: For 44138/44174 co-relation queries the response was YES. [2021-03-26 06:49:32,240 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14657 conditions, 1849 events. 664/1849 cut-off events. For 44138/44174 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 16205 event pairs, 19 based on Foata normal form. 13/1858 useless extension candidates. Maximal degree in co-relation 14352. Up to 442 conditions per place. [2021-03-26 06:49:32,253 INFO L142 LiptonReduction]: Number of co-enabled transitions 720 [2021-03-26 06:49:32,282 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:32,282 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:32,282 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 268 [2021-03-26 06:49:32,282 INFO L480 AbstractCegarLoop]: Abstraction has has 271 places, 502 transitions, 9401 flow [2021-03-26 06:49:32,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.2) internal successors, (172), 10 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:32,282 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:32,283 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:32,485 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2021-03-26 06:49:32,485 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:32,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:32,485 INFO L82 PathProgramCache]: Analyzing trace with hash 77898940, now seen corresponding path program 7 times [2021-03-26 06:49:32,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:32,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021638697] [2021-03-26 06:49:32,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:32,494 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:49:32,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:32,499 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:32,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:32,505 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:32,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:32,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:49:32,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:32,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:32,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:32,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021638697] [2021-03-26 06:49:32,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283795977] [2021-03-26 06:49:32,524 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:32,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:49:32,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:32,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:32,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:32,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:32,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:32,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:32,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:32,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:32,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:32,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:32,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:32,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:32,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:32,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:32,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:32,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:32,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:32,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:32,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:32,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:32,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:32,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:32,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:32,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:32,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:32,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:32,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:32,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:32,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:32,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:32,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:32,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:32,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:32,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:32,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:32,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:32,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:32,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:32,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:32,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:32,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:32,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:32,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:32,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:32,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:32,606 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-26 06:49:32,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:32,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:32,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:32,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:49:32,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:32,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:32,616 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:49:32,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:32,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:32,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:32,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:32,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:32,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:32,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:32,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:32,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:32,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:32,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:32,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:32,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:32,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:32,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:32,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:32,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-26 06:49:32,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812106013] [2021-03-26 06:49:32,622 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:49:32,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:32,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:49:32,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:49:32,623 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 59 [2021-03-26 06:49:32,623 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 502 transitions, 9401 flow. Second operand has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:32,623 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:32,623 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 59 [2021-03-26 06:49:32,623 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:33,314 INFO L129 PetriNetUnfolder]: 749/2002 cut-off events. [2021-03-26 06:49:33,314 INFO L130 PetriNetUnfolder]: For 51003/51164 co-relation queries the response was YES. [2021-03-26 06:49:33,327 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17635 conditions, 2002 events. 749/2002 cut-off events. For 51003/51164 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 17208 event pairs, 20 based on Foata normal form. 93/2095 useless extension candidates. Maximal degree in co-relation 17370. Up to 829 conditions per place. [2021-03-26 06:49:33,334 INFO L132 encePairwiseOnDemand]: 50/59 looper letters, 362 selfloop transitions, 206 changer transitions 1/576 dead transitions. [2021-03-26 06:49:33,335 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 576 transitions, 12328 flow [2021-03-26 06:49:33,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 06:49:33,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 06:49:33,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 339 transitions. [2021-03-26 06:49:33,336 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3591101694915254 [2021-03-26 06:49:33,336 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 339 transitions. [2021-03-26 06:49:33,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 339 transitions. [2021-03-26 06:49:33,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:33,336 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 339 transitions. [2021-03-26 06:49:33,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 21.1875) internal successors, (339), 16 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:33,338 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 59.0) internal successors, (1003), 17 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:33,338 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 59.0) internal successors, (1003), 17 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:33,338 INFO L185 Difference]: Start difference. First operand has 271 places, 502 transitions, 9401 flow. Second operand 16 states and 339 transitions. [2021-03-26 06:49:33,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 576 transitions, 12328 flow [2021-03-26 06:49:33,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 576 transitions, 12006 flow, removed 30 selfloop flow, removed 5 redundant places. [2021-03-26 06:49:33,633 INFO L241 Difference]: Finished difference. Result has 283 places, 518 transitions, 9972 flow [2021-03-26 06:49:33,634 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=9093, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=502, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=192, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=9972, PETRI_PLACES=283, PETRI_TRANSITIONS=518} [2021-03-26 06:49:33,634 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 262 predicate places. [2021-03-26 06:49:33,634 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:33,634 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 283 places, 518 transitions, 9972 flow [2021-03-26 06:49:33,634 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 283 places, 518 transitions, 9972 flow [2021-03-26 06:49:33,637 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 283 places, 518 transitions, 9972 flow [2021-03-26 06:49:33,864 INFO L129 PetriNetUnfolder]: 700/1968 cut-off events. [2021-03-26 06:49:33,865 INFO L130 PetriNetUnfolder]: For 49801/49846 co-relation queries the response was YES. [2021-03-26 06:49:33,880 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15990 conditions, 1968 events. 700/1968 cut-off events. For 49801/49846 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 17623 event pairs, 21 based on Foata normal form. 13/1977 useless extension candidates. Maximal degree in co-relation 15667. Up to 472 conditions per place. [2021-03-26 06:49:33,895 INFO L142 LiptonReduction]: Number of co-enabled transitions 766 [2021-03-26 06:49:33,925 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:33,925 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:33,925 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 291 [2021-03-26 06:49:33,925 INFO L480 AbstractCegarLoop]: Abstraction has has 283 places, 518 transitions, 9972 flow [2021-03-26 06:49:33,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:33,925 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:33,926 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:34,126 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:34,126 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:34,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:34,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1384948348, now seen corresponding path program 8 times [2021-03-26 06:49:34,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:34,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362204971] [2021-03-26 06:49:34,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:34,133 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:49:34,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:34,138 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:34,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:34,143 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:34,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:34,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:49:34,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:34,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:34,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:34,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362204971] [2021-03-26 06:49:34,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745989294] [2021-03-26 06:49:34,158 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:34,175 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:49:34,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:49:34,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:49:34,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:34,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:34,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:34,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:34,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:34,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:34,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:34,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:34,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:34,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:34,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:34,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:34,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:34,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:34,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:34,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:34,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:34,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:34,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:34,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:34,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:34,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:34,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:34,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:34,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:34,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:34,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:34,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:34,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:34,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:34,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:34,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:34,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:34,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:34,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:34,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:34,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:34,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:34,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:34,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:34,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:34,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:34,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:34,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:34,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:34,234 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-26 06:49:34,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:34,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:34,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:34,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:49:34,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:34,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:34,243 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:49:34,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:34,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:34,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:34,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:34,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:34,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:34,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:34,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:34,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:34,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:34,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:34,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:34,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:34,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:34,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:34,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:34,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-26 06:49:34,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99755102] [2021-03-26 06:49:34,249 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:49:34,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:34,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:49:34,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:49:34,250 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 59 [2021-03-26 06:49:34,250 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 518 transitions, 9972 flow. Second operand has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:34,250 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:34,250 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 59 [2021-03-26 06:49:34,250 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:34,889 INFO L129 PetriNetUnfolder]: 746/1989 cut-off events. [2021-03-26 06:49:34,890 INFO L130 PetriNetUnfolder]: For 51477/51494 co-relation queries the response was YES. [2021-03-26 06:49:34,906 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17747 conditions, 1989 events. 746/1989 cut-off events. For 51477/51494 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 16950 event pairs, 28 based on Foata normal form. 10/1999 useless extension candidates. Maximal degree in co-relation 17480. Up to 829 conditions per place. [2021-03-26 06:49:34,914 INFO L132 encePairwiseOnDemand]: 50/59 looper letters, 370 selfloop transitions, 199 changer transitions 0/576 dead transitions. [2021-03-26 06:49:34,914 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 576 transitions, 12396 flow [2021-03-26 06:49:34,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 06:49:34,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 06:49:34,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 338 transitions. [2021-03-26 06:49:34,915 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3580508474576271 [2021-03-26 06:49:34,915 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 338 transitions. [2021-03-26 06:49:34,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 338 transitions. [2021-03-26 06:49:34,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:34,916 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 338 transitions. [2021-03-26 06:49:34,916 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 21.125) internal successors, (338), 16 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:34,917 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 59.0) internal successors, (1003), 17 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:34,917 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 59.0) internal successors, (1003), 17 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:34,917 INFO L185 Difference]: Start difference. First operand has 283 places, 518 transitions, 9972 flow. Second operand 16 states and 338 transitions. [2021-03-26 06:49:34,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 576 transitions, 12396 flow [2021-03-26 06:49:35,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 576 transitions, 12146 flow, removed 99 selfloop flow, removed 4 redundant places. [2021-03-26 06:49:35,192 INFO L241 Difference]: Finished difference. Result has 296 places, 524 transitions, 10292 flow [2021-03-26 06:49:35,192 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=9730, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=518, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=193, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=10292, PETRI_PLACES=296, PETRI_TRANSITIONS=524} [2021-03-26 06:49:35,192 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 275 predicate places. [2021-03-26 06:49:35,192 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:35,193 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 296 places, 524 transitions, 10292 flow [2021-03-26 06:49:35,193 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 296 places, 524 transitions, 10292 flow [2021-03-26 06:49:35,197 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 296 places, 524 transitions, 10292 flow [2021-03-26 06:49:35,463 INFO L129 PetriNetUnfolder]: 698/1952 cut-off events. [2021-03-26 06:49:35,464 INFO L130 PetriNetUnfolder]: For 48888/48917 co-relation queries the response was YES. [2021-03-26 06:49:35,476 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16054 conditions, 1952 events. 698/1952 cut-off events. For 48888/48917 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 17400 event pairs, 21 based on Foata normal form. 12/1960 useless extension candidates. Maximal degree in co-relation 15725. Up to 458 conditions per place. [2021-03-26 06:49:35,489 INFO L142 LiptonReduction]: Number of co-enabled transitions 778 [2021-03-26 06:49:35,519 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:35,519 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:35,519 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 327 [2021-03-26 06:49:35,519 INFO L480 AbstractCegarLoop]: Abstraction has has 296 places, 524 transitions, 10292 flow [2021-03-26 06:49:35,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:35,519 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:35,519 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:35,720 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2021-03-26 06:49:35,720 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:35,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:35,720 INFO L82 PathProgramCache]: Analyzing trace with hash 31006579, now seen corresponding path program 7 times [2021-03-26 06:49:35,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:35,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916857257] [2021-03-26 06:49:35,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:35,743 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:49:35,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:35,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:49:35,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:35,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:35,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:35,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:35,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916857257] [2021-03-26 06:49:35,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271457573] [2021-03-26 06:49:35,759 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:35,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 06:49:35,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:35,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:35,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:35,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:35,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:35,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:35,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:35,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:35,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:35,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:35,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:35,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:35,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:35,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:35,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:35,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:35,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:35,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:35,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:35,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:35,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:35,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:35,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:35,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:35,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:35,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:35,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:35,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:35,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:35,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:35,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:35,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:35,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:35,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:35,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:35,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:35,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:35,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:35,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:35,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:35,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:35,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:35,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:35,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:35,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:35,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:35,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:35,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:35,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:35,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:35,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:35,824 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:49:35,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:35,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:35,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:35,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:35,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:35,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:35,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:35,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:35,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:35,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:35,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:35,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:35,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:35,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:35,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:35,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:35,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2021-03-26 06:49:35,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387349792] [2021-03-26 06:49:35,829 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 06:49:35,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:35,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 06:49:35,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-03-26 06:49:35,830 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 59 [2021-03-26 06:49:35,830 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 524 transitions, 10292 flow. Second operand has 8 states, 8 states have (on average 20.375) internal successors, (163), 8 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:35,830 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:35,830 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 59 [2021-03-26 06:49:35,830 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:36,300 INFO L129 PetriNetUnfolder]: 782/2041 cut-off events. [2021-03-26 06:49:36,300 INFO L130 PetriNetUnfolder]: For 54108/54263 co-relation queries the response was YES. [2021-03-26 06:49:36,315 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18655 conditions, 2041 events. 782/2041 cut-off events. For 54108/54263 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 17354 event pairs, 37 based on Foata normal form. 106/2147 useless extension candidates. Maximal degree in co-relation 18385. Up to 833 conditions per place. [2021-03-26 06:49:36,323 INFO L132 encePairwiseOnDemand]: 50/59 looper letters, 365 selfloop transitions, 189 changer transitions 0/561 dead transitions. [2021-03-26 06:49:36,323 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 561 transitions, 12309 flow [2021-03-26 06:49:36,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 06:49:36,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 06:49:36,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 154 transitions. [2021-03-26 06:49:36,324 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4350282485875706 [2021-03-26 06:49:36,324 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 154 transitions. [2021-03-26 06:49:36,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 154 transitions. [2021-03-26 06:49:36,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:36,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 154 transitions. [2021-03-26 06:49:36,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 25.666666666666668) internal successors, (154), 6 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:36,325 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 59.0) internal successors, (413), 7 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:36,325 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 59.0) internal successors, (413), 7 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:36,325 INFO L185 Difference]: Start difference. First operand has 296 places, 524 transitions, 10292 flow. Second operand 6 states and 154 transitions. [2021-03-26 06:49:36,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 561 transitions, 12309 flow [2021-03-26 06:49:36,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 561 transitions, 12101 flow, removed 24 selfloop flow, removed 5 redundant places. [2021-03-26 06:49:36,605 INFO L241 Difference]: Finished difference. Result has 298 places, 544 transitions, 11061 flow [2021-03-26 06:49:36,606 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=10085, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=524, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=169, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=11061, PETRI_PLACES=298, PETRI_TRANSITIONS=544} [2021-03-26 06:49:36,606 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 277 predicate places. [2021-03-26 06:49:36,606 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:36,606 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 298 places, 544 transitions, 11061 flow [2021-03-26 06:49:36,606 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 298 places, 544 transitions, 11061 flow [2021-03-26 06:49:36,610 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 298 places, 544 transitions, 11061 flow [2021-03-26 06:49:36,890 INFO L129 PetriNetUnfolder]: 731/2015 cut-off events. [2021-03-26 06:49:36,890 INFO L130 PetriNetUnfolder]: For 51319/51342 co-relation queries the response was YES. [2021-03-26 06:49:36,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16777 conditions, 2015 events. 731/2015 cut-off events. For 51319/51342 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 17928 event pairs, 23 based on Foata normal form. 12/2023 useless extension candidates. Maximal degree in co-relation 16459. Up to 481 conditions per place. [2021-03-26 06:49:36,925 INFO L142 LiptonReduction]: Number of co-enabled transitions 794 [2021-03-26 06:49:36,958 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:36,958 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:36,958 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 352 [2021-03-26 06:49:36,959 INFO L480 AbstractCegarLoop]: Abstraction has has 298 places, 544 transitions, 11061 flow [2021-03-26 06:49:36,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 20.375) internal successors, (163), 8 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:36,959 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:36,959 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:37,159 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-03-26 06:49:37,160 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:37,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:37,160 INFO L82 PathProgramCache]: Analyzing trace with hash 624605325, now seen corresponding path program 9 times [2021-03-26 06:49:37,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:37,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299675515] [2021-03-26 06:49:37,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:37,170 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-26 06:49:37,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:37,176 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:37,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:37,182 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:37,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:37,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:37,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:37,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:37,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299675515] [2021-03-26 06:49:37,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975666053] [2021-03-26 06:49:37,193 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:37,213 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-26 06:49:37,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:49:37,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:49:37,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:37,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:37,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:37,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:37,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:37,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:37,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:37,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:37,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:37,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:37,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:37,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:37,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:37,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:37,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:37,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:37,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:37,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:37,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:37,240 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 06:49:37,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:37,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:37,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:37,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:37,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:37,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:37,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:37,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:37,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:37,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:37,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:37,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:37,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:37,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:37,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:37,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:37,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:37,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:37,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:37,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:37,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:37,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:37,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:37,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:37,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:37,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:37,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:37,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:37,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:37,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:37,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:37,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:37,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:37,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:37,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:37,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:37,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:37,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:37,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:37,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:37,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:37,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:37,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:37,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:37,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:37,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:37,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:37,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:37,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:37,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:37,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 06:49:37,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554187927] [2021-03-26 06:49:37,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 06:49:37,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:37,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 06:49:37,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-26 06:49:37,316 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 59 [2021-03-26 06:49:37,316 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 544 transitions, 11061 flow. Second operand has 10 states, 10 states have (on average 18.3) internal successors, (183), 10 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:37,316 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:37,316 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 59 [2021-03-26 06:49:37,316 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:38,123 INFO L129 PetriNetUnfolder]: 812/2202 cut-off events. [2021-03-26 06:49:38,123 INFO L130 PetriNetUnfolder]: For 59401/59556 co-relation queries the response was YES. [2021-03-26 06:49:38,142 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20201 conditions, 2202 events. 812/2202 cut-off events. For 59401/59556 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 19345 event pairs, 22 based on Foata normal form. 92/2294 useless extension candidates. Maximal degree in co-relation 19914. Up to 553 conditions per place. [2021-03-26 06:49:38,150 INFO L132 encePairwiseOnDemand]: 44/59 looper letters, 547 selfloop transitions, 211 changer transitions 5/769 dead transitions. [2021-03-26 06:49:38,150 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 769 transitions, 16973 flow [2021-03-26 06:49:38,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 06:49:38,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 06:49:38,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 372 transitions. [2021-03-26 06:49:38,151 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3708873379860419 [2021-03-26 06:49:38,151 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 372 transitions. [2021-03-26 06:49:38,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 372 transitions. [2021-03-26 06:49:38,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:38,152 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 372 transitions. [2021-03-26 06:49:38,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 21.88235294117647) internal successors, (372), 17 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:38,153 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 59.0) internal successors, (1062), 18 states have internal predecessors, (1062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:38,153 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 59.0) internal successors, (1062), 18 states have internal predecessors, (1062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:38,153 INFO L185 Difference]: Start difference. First operand has 298 places, 544 transitions, 11061 flow. Second operand 17 states and 372 transitions. [2021-03-26 06:49:38,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 769 transitions, 16973 flow [2021-03-26 06:49:38,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 769 transitions, 16588 flow, removed 40 selfloop flow, removed 4 redundant places. [2021-03-26 06:49:38,507 INFO L241 Difference]: Finished difference. Result has 316 places, 572 transitions, 11910 flow [2021-03-26 06:49:38,507 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=10724, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=541, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=180, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=11910, PETRI_PLACES=316, PETRI_TRANSITIONS=572} [2021-03-26 06:49:38,508 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 295 predicate places. [2021-03-26 06:49:38,508 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:38,508 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 316 places, 572 transitions, 11910 flow [2021-03-26 06:49:38,508 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 316 places, 572 transitions, 11910 flow [2021-03-26 06:49:38,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 316 places, 572 transitions, 11910 flow [2021-03-26 06:49:38,798 INFO L129 PetriNetUnfolder]: 766/2185 cut-off events. [2021-03-26 06:49:38,798 INFO L130 PetriNetUnfolder]: For 57431/57451 co-relation queries the response was YES. [2021-03-26 06:49:38,817 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18527 conditions, 2185 events. 766/2185 cut-off events. For 57431/57451 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 19948 event pairs, 23 based on Foata normal form. 15/2196 useless extension candidates. Maximal degree in co-relation 18178. Up to 540 conditions per place. [2021-03-26 06:49:38,834 INFO L142 LiptonReduction]: Number of co-enabled transitions 856 [2021-03-26 06:49:38,870 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:38,870 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:38,870 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 362 [2021-03-26 06:49:38,870 INFO L480 AbstractCegarLoop]: Abstraction has has 316 places, 572 transitions, 11910 flow [2021-03-26 06:49:38,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 18.3) internal successors, (183), 10 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:38,870 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:38,870 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:39,071 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-03-26 06:49:39,071 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:39,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:39,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1925236156, now seen corresponding path program 2 times [2021-03-26 06:49:39,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:39,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208863572] [2021-03-26 06:49:39,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:39,084 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:49:39,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:39,089 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:39,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:39,096 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:39,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:39,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:39,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:39,108 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:39,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208863572] [2021-03-26 06:49:39,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169361327] [2021-03-26 06:49:39,109 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 06:49:39,146 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:49:39,146 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:49:39,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 06:49:39,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:39,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:39,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:39,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:39,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:39,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:39,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:39,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:39,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:39,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:39,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:39,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:39,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:39,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:39,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:39,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:39,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:39,174 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-26 06:49:39,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:39,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:39,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:39,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:39,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:39,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:39,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:39,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:39,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:39,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:39,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:39,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:39,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:39,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:39,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:39,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:39,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:39,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:39,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:39,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:39,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:39,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:49:39,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:39,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:39,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:39,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:39,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:39,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:39,204 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 06:49:39,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:39,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:39,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:39,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:39,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:39,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:39,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:39,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:39,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:39,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:39,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:39,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:39,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:39,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:39,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:39,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:39,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:39,212 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:39,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:39,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-03-26 06:49:39,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335439038] [2021-03-26 06:49:39,213 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 06:49:39,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:39,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 06:49:39,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-26 06:49:39,213 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 59 [2021-03-26 06:49:39,214 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 572 transitions, 11910 flow. Second operand has 9 states, 9 states have (on average 17.22222222222222) internal successors, (155), 9 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:39,214 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:39,214 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 59 [2021-03-26 06:49:39,214 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:40,116 INFO L129 PetriNetUnfolder]: 801/2181 cut-off events. [2021-03-26 06:49:40,117 INFO L130 PetriNetUnfolder]: For 59544/59717 co-relation queries the response was YES. [2021-03-26 06:49:40,131 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20367 conditions, 2181 events. 801/2181 cut-off events. For 59544/59717 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 19175 event pairs, 7 based on Foata normal form. 154/2334 useless extension candidates. Maximal degree in co-relation 20070. Up to 553 conditions per place. [2021-03-26 06:49:40,138 INFO L132 encePairwiseOnDemand]: 42/59 looper letters, 339 selfloop transitions, 322 changer transitions 2/670 dead transitions. [2021-03-26 06:49:40,138 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 670 transitions, 15432 flow [2021-03-26 06:49:40,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-26 06:49:40,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-26 06:49:40,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 435 transitions. [2021-03-26 06:49:40,140 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35108958837772397 [2021-03-26 06:49:40,140 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 435 transitions. [2021-03-26 06:49:40,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 435 transitions. [2021-03-26 06:49:40,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:40,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 435 transitions. [2021-03-26 06:49:40,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 20.714285714285715) internal successors, (435), 21 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:40,142 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 59.0) internal successors, (1298), 22 states have internal predecessors, (1298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:40,142 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 59.0) internal successors, (1298), 22 states have internal predecessors, (1298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:40,142 INFO L185 Difference]: Start difference. First operand has 316 places, 572 transitions, 11910 flow. Second operand 21 states and 435 transitions. [2021-03-26 06:49:40,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 670 transitions, 15432 flow [2021-03-26 06:49:40,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 670 transitions, 14968 flow, removed 134 selfloop flow, removed 4 redundant places. [2021-03-26 06:49:40,460 INFO L241 Difference]: Finished difference. Result has 336 places, 606 transitions, 12992 flow [2021-03-26 06:49:40,461 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=11508, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=569, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=285, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=12992, PETRI_PLACES=336, PETRI_TRANSITIONS=606} [2021-03-26 06:49:40,461 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 315 predicate places. [2021-03-26 06:49:40,461 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:40,461 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 336 places, 606 transitions, 12992 flow [2021-03-26 06:49:40,461 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 336 places, 606 transitions, 12992 flow [2021-03-26 06:49:40,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 334 places, 606 transitions, 12992 flow [2021-03-26 06:49:40,749 INFO L129 PetriNetUnfolder]: 748/2141 cut-off events. [2021-03-26 06:49:40,749 INFO L130 PetriNetUnfolder]: For 56191/56248 co-relation queries the response was YES. [2021-03-26 06:49:40,766 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18609 conditions, 2141 events. 748/2141 cut-off events. For 56191/56248 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 19354 event pairs, 21 based on Foata normal form. 13/2148 useless extension candidates. Maximal degree in co-relation 18262. Up to 532 conditions per place. [2021-03-26 06:49:40,781 INFO L142 LiptonReduction]: Number of co-enabled transitions 880 [2021-03-26 06:49:40,821 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:40,822 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:40,822 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 361 [2021-03-26 06:49:40,822 INFO L480 AbstractCegarLoop]: Abstraction has has 334 places, 606 transitions, 12992 flow [2021-03-26 06:49:40,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.22222222222222) internal successors, (155), 9 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:40,822 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:40,822 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:41,022 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable60 [2021-03-26 06:49:41,023 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:41,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:41,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1069292470, now seen corresponding path program 10 times [2021-03-26 06:49:41,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:41,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031986973] [2021-03-26 06:49:41,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:41,029 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:49:41,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:41,033 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:41,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:41,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:41,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:41,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:41,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:41,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:41,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031986973] [2021-03-26 06:49:41,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007692036] [2021-03-26 06:49:41,052 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:41,068 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 06:49:41,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:49:41,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:49:41,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:41,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:41,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:41,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:41,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:41,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:41,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:41,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:41,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:41,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:41,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:41,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:41,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:41,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:41,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:41,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:41,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:41,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:41,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:41,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:41,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:41,092 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-26 06:49:41,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:41,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:41,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:41,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:41,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:41,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:41,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:41,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:41,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:41,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:41,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:41,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:41,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:41,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:41,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:41,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:41,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:41,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:41,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:41,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:41,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:41,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:41,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:41,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:41,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:41,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:41,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:41,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:41,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:41,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:41,108 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:49:41,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:41,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:41,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:41,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:41,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:41,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:41,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:41,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:41,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:41,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:41,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:41,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:41,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:41,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:41,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:41,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:41,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-03-26 06:49:41,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962481629] [2021-03-26 06:49:41,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 06:49:41,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:41,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 06:49:41,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-26 06:49:41,115 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 59 [2021-03-26 06:49:41,115 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 334 places, 606 transitions, 12992 flow. Second operand has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:41,115 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:41,115 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 59 [2021-03-26 06:49:41,115 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:41,737 INFO L129 PetriNetUnfolder]: 819/2292 cut-off events. [2021-03-26 06:49:41,737 INFO L130 PetriNetUnfolder]: For 61261/61385 co-relation queries the response was YES. [2021-03-26 06:49:41,757 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21571 conditions, 2292 events. 819/2292 cut-off events. For 61261/61385 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 20586 event pairs, 13 based on Foata normal form. 67/2359 useless extension candidates. Maximal degree in co-relation 21261. Up to 987 conditions per place. [2021-03-26 06:49:41,766 INFO L132 encePairwiseOnDemand]: 49/59 looper letters, 470 selfloop transitions, 202 changer transitions 3/682 dead transitions. [2021-03-26 06:49:41,766 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 682 transitions, 16123 flow [2021-03-26 06:49:41,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 06:49:41,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 06:49:41,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 250 transitions. [2021-03-26 06:49:41,767 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3531073446327684 [2021-03-26 06:49:41,767 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 250 transitions. [2021-03-26 06:49:41,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 250 transitions. [2021-03-26 06:49:41,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:41,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 250 transitions. [2021-03-26 06:49:41,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 20.833333333333332) internal successors, (250), 12 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:41,768 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 59.0) internal successors, (767), 13 states have internal predecessors, (767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:41,769 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 59.0) internal successors, (767), 13 states have internal predecessors, (767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:41,769 INFO L185 Difference]: Start difference. First operand has 334 places, 606 transitions, 12992 flow. Second operand 12 states and 250 transitions. [2021-03-26 06:49:41,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 682 transitions, 16123 flow [2021-03-26 06:49:42,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 682 transitions, 15250 flow, removed 351 selfloop flow, removed 5 redundant places. [2021-03-26 06:49:42,196 INFO L241 Difference]: Finished difference. Result has 342 places, 639 transitions, 13412 flow [2021-03-26 06:49:42,197 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=12211, PETRI_DIFFERENCE_MINUEND_PLACES=329, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=606, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=171, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=418, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=13412, PETRI_PLACES=342, PETRI_TRANSITIONS=639} [2021-03-26 06:49:42,197 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 321 predicate places. [2021-03-26 06:49:42,197 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:42,197 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 342 places, 639 transitions, 13412 flow [2021-03-26 06:49:42,197 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 342 places, 639 transitions, 13412 flow [2021-03-26 06:49:42,203 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 342 places, 639 transitions, 13412 flow [2021-03-26 06:49:42,555 INFO L129 PetriNetUnfolder]: 765/2231 cut-off events. [2021-03-26 06:49:42,555 INFO L130 PetriNetUnfolder]: For 56481/56543 co-relation queries the response was YES. [2021-03-26 06:49:42,575 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19015 conditions, 2231 events. 765/2231 cut-off events. For 56481/56543 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 20485 event pairs, 21 based on Foata normal form. 14/2237 useless extension candidates. Maximal degree in co-relation 18674. Up to 509 conditions per place. [2021-03-26 06:49:42,591 INFO L142 LiptonReduction]: Number of co-enabled transitions 952 [2021-03-26 06:49:42,639 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:42,639 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:42,639 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 442 [2021-03-26 06:49:42,639 INFO L480 AbstractCegarLoop]: Abstraction has has 342 places, 639 transitions, 13412 flow [2021-03-26 06:49:42,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:42,640 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:42,640 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:42,841 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:42,841 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:42,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:42,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1630579158, now seen corresponding path program 3 times [2021-03-26 06:49:42,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:42,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143655135] [2021-03-26 06:49:42,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:42,848 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:49:42,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:42,853 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:42,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:42,857 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:49:42,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:42,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:42,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:42,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:42,871 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:42,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143655135] [2021-03-26 06:49:42,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079954679] [2021-03-26 06:49:42,871 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:42,888 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-26 06:49:42,889 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:49:42,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 06:49:42,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:42,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:42,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:42,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:42,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:42,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:42,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:42,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:42,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:42,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:42,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:42,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:42,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:42,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:42,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:42,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:42,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:42,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:42,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:42,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:42,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:42,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:42,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:42,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:42,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:42,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:42,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:42,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:42,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:42,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:42,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:42,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:42,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:49:42,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:42,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:42,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:42,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:42,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:42,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:42,933 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-03-26 06:49:42,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:42,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:42,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:42,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:49:42,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:42,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:42,936 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 06:49:42,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:42,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:42,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:42,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:42,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:42,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:42,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:42,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:42,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:42,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:42,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:42,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:42,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:42,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:42,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:42,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:42,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:42,942 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:42,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:42,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 8 [2021-03-26 06:49:42,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971204098] [2021-03-26 06:49:42,942 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 06:49:42,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:42,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 06:49:42,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-26 06:49:42,943 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 59 [2021-03-26 06:49:42,943 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 639 transitions, 13412 flow. Second operand has 9 states, 9 states have (on average 17.22222222222222) internal successors, (155), 9 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:42,943 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:42,943 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 59 [2021-03-26 06:49:42,943 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:43,703 INFO L129 PetriNetUnfolder]: 840/2506 cut-off events. [2021-03-26 06:49:43,703 INFO L130 PetriNetUnfolder]: For 63968/64004 co-relation queries the response was YES. [2021-03-26 06:49:43,723 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22839 conditions, 2506 events. 840/2506 cut-off events. For 63968/64004 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 23724 event pairs, 21 based on Foata normal form. 34/2540 useless extension candidates. Maximal degree in co-relation 22375. Up to 605 conditions per place. [2021-03-26 06:49:43,732 INFO L132 encePairwiseOnDemand]: 42/59 looper letters, 455 selfloop transitions, 348 changer transitions 0/810 dead transitions. [2021-03-26 06:49:43,732 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 810 transitions, 18418 flow [2021-03-26 06:49:43,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 06:49:43,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 06:49:43,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 361 transitions. [2021-03-26 06:49:43,733 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35992023928215355 [2021-03-26 06:49:43,733 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 361 transitions. [2021-03-26 06:49:43,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 361 transitions. [2021-03-26 06:49:43,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:43,733 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 361 transitions. [2021-03-26 06:49:43,734 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 21.235294117647058) internal successors, (361), 17 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:43,735 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 59.0) internal successors, (1062), 18 states have internal predecessors, (1062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:43,735 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 59.0) internal successors, (1062), 18 states have internal predecessors, (1062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:43,735 INFO L185 Difference]: Start difference. First operand has 342 places, 639 transitions, 13412 flow. Second operand 17 states and 361 transitions. [2021-03-26 06:49:43,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 810 transitions, 18418 flow [2021-03-26 06:49:44,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 810 transitions, 18001 flow, removed 75 selfloop flow, removed 7 redundant places. [2021-03-26 06:49:44,206 INFO L241 Difference]: Finished difference. Result has 354 places, 672 transitions, 14632 flow [2021-03-26 06:49:44,206 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=12846, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=627, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=303, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=14632, PETRI_PLACES=354, PETRI_TRANSITIONS=672} [2021-03-26 06:49:44,207 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 333 predicate places. [2021-03-26 06:49:44,209 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:44,209 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 354 places, 672 transitions, 14632 flow [2021-03-26 06:49:44,209 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 354 places, 672 transitions, 14632 flow [2021-03-26 06:49:44,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 354 places, 672 transitions, 14632 flow [2021-03-26 06:49:44,621 INFO L129 PetriNetUnfolder]: 799/2489 cut-off events. [2021-03-26 06:49:44,621 INFO L130 PetriNetUnfolder]: For 61827/61864 co-relation queries the response was YES. [2021-03-26 06:49:44,643 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21272 conditions, 2489 events. 799/2489 cut-off events. For 61827/61864 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 24049 event pairs, 22 based on Foata normal form. 12/2493 useless extension candidates. Maximal degree in co-relation 20900. Up to 594 conditions per place. [2021-03-26 06:49:44,659 INFO L142 LiptonReduction]: Number of co-enabled transitions 906 [2021-03-26 06:49:44,920 INFO L154 LiptonReduction]: Checked pairs total: 35 [2021-03-26 06:49:44,920 INFO L156 LiptonReduction]: Total number of compositions: 7 [2021-03-26 06:49:44,921 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 712 [2021-03-26 06:49:44,921 INFO L480 AbstractCegarLoop]: Abstraction has has 354 places, 672 transitions, 14660 flow [2021-03-26 06:49:44,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.22222222222222) internal successors, (155), 9 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:44,921 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:44,921 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:45,121 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62 [2021-03-26 06:49:45,122 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:45,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:45,122 INFO L82 PathProgramCache]: Analyzing trace with hash 537817257, now seen corresponding path program 8 times [2021-03-26 06:49:45,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:45,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309322304] [2021-03-26 06:49:45,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:45,130 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:49:45,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:45,135 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:45,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:45,140 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:49:45,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:45,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:45,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:45,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:45,154 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:45,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309322304] [2021-03-26 06:49:45,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046322762] [2021-03-26 06:49:45,154 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:45,171 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:49:45,171 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:49:45,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:49:45,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:45,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:45,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:45,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:45,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:45,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:45,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:45,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:45,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:45,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:45,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:45,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:45,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:45,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:45,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:45,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:45,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:45,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:45,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:45,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:45,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:45,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:45,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:45,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:45,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:45,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:45,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:45,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:45,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:45,204 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 06:49:45,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:45,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:45,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:45,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:45,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:45,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:45,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:45,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:45,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:49:45,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:45,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:45,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:49:45,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:45,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:45,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:45,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:45,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:45,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:45,219 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:49:45,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:45,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:45,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:45,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:45,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:45,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:45,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:45,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:45,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:45,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:45,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:45,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:45,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:45,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:45,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:45,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:45,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:45,225 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:45,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:45,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 8 [2021-03-26 06:49:45,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219220663] [2021-03-26 06:49:45,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 06:49:45,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:45,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 06:49:45,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-03-26 06:49:45,226 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 66 [2021-03-26 06:49:45,227 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 672 transitions, 14660 flow. Second operand has 9 states, 9 states have (on average 17.22222222222222) internal successors, (155), 9 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:45,227 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:45,227 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 66 [2021-03-26 06:49:45,227 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:46,064 INFO L129 PetriNetUnfolder]: 834/2469 cut-off events. [2021-03-26 06:49:46,064 INFO L130 PetriNetUnfolder]: For 62026/62150 co-relation queries the response was YES. [2021-03-26 06:49:46,084 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23132 conditions, 2469 events. 834/2469 cut-off events. For 62026/62150 co-relation queries the response was YES. Maximal size of possible extension queue 257. Compared 23213 event pairs, 18 based on Foata normal form. 87/2556 useless extension candidates. Maximal degree in co-relation 22701. Up to 1072 conditions per place. [2021-03-26 06:49:46,092 INFO L132 encePairwiseOnDemand]: 57/66 looper letters, 505 selfloop transitions, 202 changer transitions 5/719 dead transitions. [2021-03-26 06:49:46,093 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 362 places, 719 transitions, 17190 flow [2021-03-26 06:49:46,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 06:49:46,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 06:49:46,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 196 transitions. [2021-03-26 06:49:46,094 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32996632996632996 [2021-03-26 06:49:46,094 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 196 transitions. [2021-03-26 06:49:46,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 196 transitions. [2021-03-26 06:49:46,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:46,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 196 transitions. [2021-03-26 06:49:46,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 21.77777777777778) internal successors, (196), 9 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:46,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 66.0) internal successors, (660), 10 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:46,095 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 66.0) internal successors, (660), 10 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:46,095 INFO L185 Difference]: Start difference. First operand has 354 places, 672 transitions, 14660 flow. Second operand 9 states and 196 transitions. [2021-03-26 06:49:46,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 362 places, 719 transitions, 17190 flow [2021-03-26 06:49:46,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 719 transitions, 16784 flow, removed 65 selfloop flow, removed 6 redundant places. [2021-03-26 06:49:46,518 INFO L241 Difference]: Finished difference. Result has 358 places, 678 transitions, 14939 flow [2021-03-26 06:49:46,518 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=14213, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=670, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=194, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=474, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=14939, PETRI_PLACES=358, PETRI_TRANSITIONS=678} [2021-03-26 06:49:46,518 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 337 predicate places. [2021-03-26 06:49:46,518 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:46,519 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 358 places, 678 transitions, 14939 flow [2021-03-26 06:49:46,519 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 358 places, 678 transitions, 14939 flow [2021-03-26 06:49:46,524 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 358 places, 678 transitions, 14939 flow [2021-03-26 06:49:46,855 INFO L129 PetriNetUnfolder]: 796/2457 cut-off events. [2021-03-26 06:49:46,855 INFO L130 PetriNetUnfolder]: For 60918/60944 co-relation queries the response was YES. [2021-03-26 06:49:46,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21354 conditions, 2457 events. 796/2457 cut-off events. For 60918/60944 co-relation queries the response was YES. Maximal size of possible extension queue 268. Compared 23691 event pairs, 23 based on Foata normal form. 14/2466 useless extension candidates. Maximal degree in co-relation 20988. Up to 584 conditions per place. [2021-03-26 06:49:46,897 INFO L142 LiptonReduction]: Number of co-enabled transitions 914 [2021-03-26 06:49:46,947 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:46,947 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:46,947 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 429 [2021-03-26 06:49:46,948 INFO L480 AbstractCegarLoop]: Abstraction has has 358 places, 678 transitions, 14939 flow [2021-03-26 06:49:46,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.22222222222222) internal successors, (155), 9 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:46,948 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:46,948 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:47,163 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable63 [2021-03-26 06:49:47,164 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:47,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:47,164 INFO L82 PathProgramCache]: Analyzing trace with hash -695015153, now seen corresponding path program 1 times [2021-03-26 06:49:47,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:47,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270538548] [2021-03-26 06:49:47,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:47,169 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:49:47,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:47,174 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:47,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:47,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:47,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:47,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:47,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:47,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270538548] [2021-03-26 06:49:47,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943674179] [2021-03-26 06:49:47,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:47,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 06:49:47,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:47,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:47,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:47,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:47,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:47,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:47,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:47,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:47,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:47,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:47,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:47,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:47,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:47,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:47,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:47,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:47,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:47,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:47,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:47,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:47,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:47,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:47,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:47,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:47,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:47,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:47,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:47,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:47,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:47,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:47,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:47,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:47,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:47,240 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-26 06:49:47,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:47,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:47,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:47,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:47,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:47,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:47,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:47,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:47,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:47,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:47,249 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 06:49:47,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:47,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:47,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:47,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:47,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:47,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:47,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:47,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:47,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:47,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:47,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:47,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:47,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:47,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:47,254 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:47,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:47,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-03-26 06:49:47,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954099521] [2021-03-26 06:49:47,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 06:49:47,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:47,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 06:49:47,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-26 06:49:47,255 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 66 [2021-03-26 06:49:47,255 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 678 transitions, 14939 flow. Second operand has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:47,255 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:47,256 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 66 [2021-03-26 06:49:47,256 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:48,148 INFO L129 PetriNetUnfolder]: 836/2503 cut-off events. [2021-03-26 06:49:48,148 INFO L130 PetriNetUnfolder]: For 63831/63955 co-relation queries the response was YES. [2021-03-26 06:49:48,168 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23704 conditions, 2503 events. 836/2503 cut-off events. For 63831/63955 co-relation queries the response was YES. Maximal size of possible extension queue 263. Compared 23778 event pairs, 10 based on Foata normal form. 114/2617 useless extension candidates. Maximal degree in co-relation 23308. Up to 599 conditions per place. [2021-03-26 06:49:48,176 INFO L132 encePairwiseOnDemand]: 44/66 looper letters, 412 selfloop transitions, 329 changer transitions 3/751 dead transitions. [2021-03-26 06:49:48,177 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 751 transitions, 18022 flow [2021-03-26 06:49:48,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 06:49:48,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 06:49:48,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 383 transitions. [2021-03-26 06:49:48,178 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3223905723905724 [2021-03-26 06:49:48,178 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 383 transitions. [2021-03-26 06:49:48,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 383 transitions. [2021-03-26 06:49:48,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:48,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 383 transitions. [2021-03-26 06:49:48,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 21.27777777777778) internal successors, (383), 18 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:48,180 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 66.0) internal successors, (1254), 19 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:48,180 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 66.0) internal successors, (1254), 19 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:48,180 INFO L185 Difference]: Start difference. First operand has 358 places, 678 transitions, 14939 flow. Second operand 18 states and 383 transitions. [2021-03-26 06:49:48,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 751 transitions, 18022 flow [2021-03-26 06:49:48,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 751 transitions, 17701 flow, removed 31 selfloop flow, removed 8 redundant places. [2021-03-26 06:49:48,612 INFO L241 Difference]: Finished difference. Result has 369 places, 685 transitions, 15527 flow [2021-03-26 06:49:48,612 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=14457, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=668, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=309, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=15527, PETRI_PLACES=369, PETRI_TRANSITIONS=685} [2021-03-26 06:49:48,612 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 348 predicate places. [2021-03-26 06:49:48,612 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:48,613 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 369 places, 685 transitions, 15527 flow [2021-03-26 06:49:48,613 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 369 places, 685 transitions, 15527 flow [2021-03-26 06:49:48,618 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 369 places, 685 transitions, 15527 flow [2021-03-26 06:49:48,948 INFO L129 PetriNetUnfolder]: 794/2488 cut-off events. [2021-03-26 06:49:48,948 INFO L130 PetriNetUnfolder]: For 62618/62637 co-relation queries the response was YES. [2021-03-26 06:49:48,969 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21887 conditions, 2488 events. 794/2488 cut-off events. For 62618/62637 co-relation queries the response was YES. Maximal size of possible extension queue 270. Compared 24249 event pairs, 23 based on Foata normal form. 11/2494 useless extension candidates. Maximal degree in co-relation 21511. Up to 590 conditions per place. [2021-03-26 06:49:48,987 INFO L142 LiptonReduction]: Number of co-enabled transitions 920 [2021-03-26 06:49:49,036 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:49,036 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:49,036 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 424 [2021-03-26 06:49:49,036 INFO L480 AbstractCegarLoop]: Abstraction has has 369 places, 685 transitions, 15527 flow [2021-03-26 06:49:49,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:49,036 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:49,036 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:49,237 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:49,237 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:49,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:49,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1002424498, now seen corresponding path program 4 times [2021-03-26 06:49:49,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:49,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42366000] [2021-03-26 06:49:49,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:49,243 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:49:49,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:49,247 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:49,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:49,252 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:49:49,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:49,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:49,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:49,261 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:49,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42366000] [2021-03-26 06:49:49,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605081464] [2021-03-26 06:49:49,261 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:49,278 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 06:49:49,279 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:49:49,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 06:49:49,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:49,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:49,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:49,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:49,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:49,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:49,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:49,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:49,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:49,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:49,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:49,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:49,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:49,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:49,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:49,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:49,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:49,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:49,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:49,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:49,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:49,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:49,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:49,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:49,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:49,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:49,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:49,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:49,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:49:49,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:49,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:49,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:49,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:49,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:49,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:49,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:49,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:49,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:49,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:49,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:49,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:49,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:49,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:49,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:49,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:49,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:49,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:49,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:49,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:49,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:49,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:49,335 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:49:49,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:49,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:49,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:49,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:49,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:49,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:49,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:49,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:49,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:49,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:49,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:49,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:49,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:49,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:49,341 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:49,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:49,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-03-26 06:49:49,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281693930] [2021-03-26 06:49:49,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 06:49:49,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:49,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 06:49:49,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-26 06:49:49,342 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 66 [2021-03-26 06:49:49,342 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 369 places, 685 transitions, 15527 flow. Second operand has 9 states, 9 states have (on average 17.22222222222222) internal successors, (155), 9 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:49,342 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:49,342 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 66 [2021-03-26 06:49:49,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:50,037 INFO L129 PetriNetUnfolder]: 865/2541 cut-off events. [2021-03-26 06:49:50,037 INFO L130 PetriNetUnfolder]: For 67509/67536 co-relation queries the response was YES. [2021-03-26 06:49:50,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24640 conditions, 2541 events. 865/2541 cut-off events. For 67509/67536 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 23859 event pairs, 41 based on Foata normal form. 32/2573 useless extension candidates. Maximal degree in co-relation 24213. Up to 1051 conditions per place. [2021-03-26 06:49:50,067 INFO L132 encePairwiseOnDemand]: 53/66 looper letters, 446 selfloop transitions, 261 changer transitions 0/714 dead transitions. [2021-03-26 06:49:50,067 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 714 transitions, 17767 flow [2021-03-26 06:49:50,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 06:49:50,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 06:49:50,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 178 transitions. [2021-03-26 06:49:50,068 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3371212121212121 [2021-03-26 06:49:50,068 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 178 transitions. [2021-03-26 06:49:50,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 178 transitions. [2021-03-26 06:49:50,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:50,068 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 178 transitions. [2021-03-26 06:49:50,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 22.25) internal successors, (178), 8 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:50,069 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 66.0) internal successors, (594), 9 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:50,069 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 66.0) internal successors, (594), 9 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:50,070 INFO L185 Difference]: Start difference. First operand has 369 places, 685 transitions, 15527 flow. Second operand 8 states and 178 transitions. [2021-03-26 06:49:50,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 714 transitions, 17767 flow [2021-03-26 06:49:50,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 714 transitions, 17350 flow, removed 28 selfloop flow, removed 8 redundant places. [2021-03-26 06:49:50,560 INFO L241 Difference]: Finished difference. Result has 370 places, 702 transitions, 16252 flow [2021-03-26 06:49:50,560 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=15136, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=685, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=244, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16252, PETRI_PLACES=370, PETRI_TRANSITIONS=702} [2021-03-26 06:49:50,560 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 349 predicate places. [2021-03-26 06:49:50,560 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:50,561 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 370 places, 702 transitions, 16252 flow [2021-03-26 06:49:50,561 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 370 places, 702 transitions, 16252 flow [2021-03-26 06:49:50,568 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 370 places, 702 transitions, 16252 flow [2021-03-26 06:49:50,914 INFO L129 PetriNetUnfolder]: 814/2517 cut-off events. [2021-03-26 06:49:50,914 INFO L130 PetriNetUnfolder]: For 65749/65770 co-relation queries the response was YES. [2021-03-26 06:49:51,004 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22496 conditions, 2517 events. 814/2517 cut-off events. For 65749/65770 co-relation queries the response was YES. Maximal size of possible extension queue 274. Compared 24387 event pairs, 23 based on Foata normal form. 10/2522 useless extension candidates. Maximal degree in co-relation 22039. Up to 602 conditions per place. [2021-03-26 06:49:51,022 INFO L142 LiptonReduction]: Number of co-enabled transitions 920 [2021-03-26 06:49:51,071 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:51,071 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:51,071 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 511 [2021-03-26 06:49:51,072 INFO L480 AbstractCegarLoop]: Abstraction has has 370 places, 702 transitions, 16252 flow [2021-03-26 06:49:51,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.22222222222222) internal successors, (155), 9 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:51,072 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:51,072 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:51,272 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2021-03-26 06:49:51,272 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:51,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:51,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1503303997, now seen corresponding path program 9 times [2021-03-26 06:49:51,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:51,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364332621] [2021-03-26 06:49:51,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:51,280 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:49:51,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:51,285 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:51,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:51,290 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:49:51,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:51,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:51,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:51,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:51,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:51,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364332621] [2021-03-26 06:49:51,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725705333] [2021-03-26 06:49:51,307 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:51,340 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-26 06:49:51,340 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:49:51,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:49:51,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:51,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:51,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:51,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:51,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:51,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:51,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:51,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:51,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:51,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:51,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:51,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:51,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:51,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:51,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:51,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:51,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:51,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:51,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:51,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:51,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:51,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:51,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:51,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:51,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:51,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:51,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:51,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:51,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:51,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:51,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:51,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:51,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:51,382 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 06:49:51,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:51,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:51,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:51,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:51,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:51,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:51,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:51,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:51,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:51,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:51,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:51,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:51,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:51,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:51,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:51,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:51,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:51,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:51,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:51,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:51,407 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:49:51,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:51,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:51,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:51,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:51,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:51,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:51,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:51,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:51,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:51,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:51,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:51,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:51,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:51,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:51,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:51,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:51,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-03-26 06:49:51,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668081925] [2021-03-26 06:49:51,414 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 06:49:51,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:51,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 06:49:51,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-03-26 06:49:51,415 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 66 [2021-03-26 06:49:51,415 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 702 transitions, 16252 flow. Second operand has 10 states, 10 states have (on average 17.2) internal successors, (172), 10 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:51,415 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:51,415 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 66 [2021-03-26 06:49:51,415 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:52,084 INFO L129 PetriNetUnfolder]: 831/2281 cut-off events. [2021-03-26 06:49:52,085 INFO L130 PetriNetUnfolder]: For 64495/64546 co-relation queries the response was YES. [2021-03-26 06:49:52,104 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22815 conditions, 2281 events. 831/2281 cut-off events. For 64495/64546 co-relation queries the response was YES. Maximal size of possible extension queue 254. Compared 20396 event pairs, 28 based on Foata normal form. 64/2345 useless extension candidates. Maximal degree in co-relation 22377. Up to 1134 conditions per place. [2021-03-26 06:49:52,112 INFO L132 encePairwiseOnDemand]: 57/66 looper letters, 535 selfloop transitions, 209 changer transitions 5/756 dead transitions. [2021-03-26 06:49:52,113 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 756 transitions, 18874 flow [2021-03-26 06:49:52,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 06:49:52,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 06:49:52,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 189 transitions. [2021-03-26 06:49:52,113 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3181818181818182 [2021-03-26 06:49:52,113 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 189 transitions. [2021-03-26 06:49:52,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 189 transitions. [2021-03-26 06:49:52,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:52,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 189 transitions. [2021-03-26 06:49:52,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 21.0) internal successors, (189), 9 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:52,114 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 66.0) internal successors, (660), 10 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:52,114 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 66.0) internal successors, (660), 10 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:52,114 INFO L185 Difference]: Start difference. First operand has 370 places, 702 transitions, 16252 flow. Second operand 9 states and 189 transitions. [2021-03-26 06:49:52,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 756 transitions, 18874 flow [2021-03-26 06:49:52,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 756 transitions, 18334 flow, removed 53 selfloop flow, removed 5 redundant places. [2021-03-26 06:49:52,653 INFO L241 Difference]: Finished difference. Result has 375 places, 711 transitions, 16401 flow [2021-03-26 06:49:52,653 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=15419, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=689, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=187, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=501, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=16401, PETRI_PLACES=375, PETRI_TRANSITIONS=711} [2021-03-26 06:49:52,653 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 354 predicate places. [2021-03-26 06:49:52,654 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:52,654 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 375 places, 711 transitions, 16401 flow [2021-03-26 06:49:52,654 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 375 places, 711 transitions, 16401 flow [2021-03-26 06:49:52,659 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 375 places, 711 transitions, 16401 flow [2021-03-26 06:49:52,989 INFO L129 PetriNetUnfolder]: 779/2247 cut-off events. [2021-03-26 06:49:52,989 INFO L130 PetriNetUnfolder]: For 60426/60449 co-relation queries the response was YES. [2021-03-26 06:49:53,007 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20699 conditions, 2247 events. 779/2247 cut-off events. For 60426/60449 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 20807 event pairs, 19 based on Foata normal form. 10/2252 useless extension candidates. Maximal degree in co-relation 20315. Up to 545 conditions per place. [2021-03-26 06:49:53,023 INFO L142 LiptonReduction]: Number of co-enabled transitions 940 [2021-03-26 06:49:53,073 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:53,074 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:53,074 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 420 [2021-03-26 06:49:53,074 INFO L480 AbstractCegarLoop]: Abstraction has has 375 places, 711 transitions, 16401 flow [2021-03-26 06:49:53,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.2) internal successors, (172), 10 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:53,074 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:53,074 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:53,274 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:53,275 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:53,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:53,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1611102034, now seen corresponding path program 11 times [2021-03-26 06:49:53,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:53,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913292267] [2021-03-26 06:49:53,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:53,285 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:49:53,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:53,290 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:53,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:53,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:53,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:53,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:53,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:53,311 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:53,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913292267] [2021-03-26 06:49:53,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36519302] [2021-03-26 06:49:53,311 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:53,351 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:49:53,351 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:49:53,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:49:53,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:53,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:53,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:53,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:53,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:53,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:53,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:53,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:53,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:53,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:53,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:53,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:53,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:53,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:53,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:53,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:53,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:53,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:53,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:53,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:53,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:53,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:53,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:53,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:53,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:53,381 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-26 06:49:53,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:53,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:53,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:53,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:53,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:53,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:53,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:53,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:53,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:53,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:53,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:53,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:53,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:53,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:53,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:53,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:53,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:49:53,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:53,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:53,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:49:53,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:53,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:53,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:53,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:53,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:53,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:53,398 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:49:53,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:53,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:53,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:53,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:53,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:53,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:53,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:53,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:53,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:53,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:53,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:53,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:53,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:53,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:53,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:53,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:53,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-03-26 06:49:53,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748231658] [2021-03-26 06:49:53,404 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 06:49:53,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:53,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 06:49:53,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-26 06:49:53,404 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 66 [2021-03-26 06:49:53,405 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 711 transitions, 16401 flow. Second operand has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:53,405 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:53,405 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 66 [2021-03-26 06:49:53,405 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:54,135 INFO L129 PetriNetUnfolder]: 861/2410 cut-off events. [2021-03-26 06:49:54,135 INFO L130 PetriNetUnfolder]: For 68521/68557 co-relation queries the response was YES. [2021-03-26 06:49:54,156 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24231 conditions, 2410 events. 861/2410 cut-off events. For 68521/68557 co-relation queries the response was YES. Maximal size of possible extension queue 272. Compared 22133 event pairs, 29 based on Foata normal form. 32/2442 useless extension candidates. Maximal degree in co-relation 23743. Up to 1022 conditions per place. [2021-03-26 06:49:54,164 INFO L132 encePairwiseOnDemand]: 57/66 looper letters, 505 selfloop transitions, 283 changer transitions 6/801 dead transitions. [2021-03-26 06:49:54,165 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 801 transitions, 20227 flow [2021-03-26 06:49:54,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 06:49:54,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 06:49:54,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 288 transitions. [2021-03-26 06:49:54,166 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3116883116883117 [2021-03-26 06:49:54,166 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 288 transitions. [2021-03-26 06:49:54,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 288 transitions. [2021-03-26 06:49:54,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:54,166 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 288 transitions. [2021-03-26 06:49:54,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 20.571428571428573) internal successors, (288), 14 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:54,167 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 66.0) internal successors, (990), 15 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:54,167 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 66.0) internal successors, (990), 15 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:54,168 INFO L185 Difference]: Start difference. First operand has 375 places, 711 transitions, 16401 flow. Second operand 14 states and 288 transitions. [2021-03-26 06:49:54,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 801 transitions, 20227 flow [2021-03-26 06:49:54,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 801 transitions, 20032 flow, removed 33 selfloop flow, removed 5 redundant places. [2021-03-26 06:49:54,600 INFO L241 Difference]: Finished difference. Result has 385 places, 742 transitions, 17788 flow [2021-03-26 06:49:54,600 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=16183, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=710, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=255, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=17788, PETRI_PLACES=385, PETRI_TRANSITIONS=742} [2021-03-26 06:49:54,601 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 364 predicate places. [2021-03-26 06:49:54,601 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:54,601 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 385 places, 742 transitions, 17788 flow [2021-03-26 06:49:54,601 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 385 places, 742 transitions, 17788 flow [2021-03-26 06:49:54,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 385 places, 742 transitions, 17788 flow [2021-03-26 06:49:55,031 INFO L129 PetriNetUnfolder]: 808/2392 cut-off events. [2021-03-26 06:49:55,032 INFO L130 PetriNetUnfolder]: For 69879/69912 co-relation queries the response was YES. [2021-03-26 06:49:55,055 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22462 conditions, 2392 events. 808/2392 cut-off events. For 69879/69912 co-relation queries the response was YES. Maximal size of possible extension queue 274. Compared 22738 event pairs, 19 based on Foata normal form. 12/2399 useless extension candidates. Maximal degree in co-relation 22076. Up to 578 conditions per place. [2021-03-26 06:49:55,080 INFO L142 LiptonReduction]: Number of co-enabled transitions 992 [2021-03-26 06:49:55,140 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:55,140 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:55,140 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 539 [2021-03-26 06:49:55,140 INFO L480 AbstractCegarLoop]: Abstraction has has 385 places, 742 transitions, 17788 flow [2021-03-26 06:49:55,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:55,140 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:55,140 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:55,344 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2021-03-26 06:49:55,345 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:55,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:55,345 INFO L82 PathProgramCache]: Analyzing trace with hash 755846633, now seen corresponding path program 10 times [2021-03-26 06:49:55,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:55,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25994458] [2021-03-26 06:49:55,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:55,354 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:49:55,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:55,359 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:55,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:55,365 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:49:55,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:55,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:55,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:55,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:55,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:55,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25994458] [2021-03-26 06:49:55,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068424261] [2021-03-26 06:49:55,385 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:55,408 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 06:49:55,408 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:49:55,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:49:55,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:55,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:55,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:55,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:55,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:55,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:55,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:55,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:55,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:55,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:55,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:55,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:55,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:55,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:55,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:55,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:55,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:55,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:55,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:55,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:55,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:55,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:55,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:55,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:55,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:55,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:55,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:49:55,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:55,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:55,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:55,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:55,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:55,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:55,444 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 06:49:55,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:55,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:55,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:55,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:55,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:55,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:55,457 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 06:49:55,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:55,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:55,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:55,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:55,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:55,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:55,460 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 06:49:55,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:55,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:55,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:55,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:55,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:55,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:55,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:55,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:55,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:55,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:55,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:55,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:55,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:55,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:55,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:55,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:55,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:55,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:55,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:55,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-03-26 06:49:55,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877123690] [2021-03-26 06:49:55,470 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 06:49:55,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:55,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 06:49:55,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-03-26 06:49:55,471 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 66 [2021-03-26 06:49:55,471 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 742 transitions, 17788 flow. Second operand has 10 states, 10 states have (on average 17.2) internal successors, (172), 10 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:55,471 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:55,471 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 66 [2021-03-26 06:49:55,472 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:56,338 INFO L129 PetriNetUnfolder]: 856/2371 cut-off events. [2021-03-26 06:49:56,338 INFO L130 PetriNetUnfolder]: For 72776/72880 co-relation queries the response was YES. [2021-03-26 06:49:56,359 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24283 conditions, 2371 events. 856/2371 cut-off events. For 72776/72880 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 21835 event pairs, 21 based on Foata normal form. 70/2441 useless extension candidates. Maximal degree in co-relation 23853. Up to 702 conditions per place. [2021-03-26 06:49:56,369 INFO L132 encePairwiseOnDemand]: 56/66 looper letters, 504 selfloop transitions, 334 changer transitions 5/850 dead transitions. [2021-03-26 06:49:56,369 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 850 transitions, 21906 flow [2021-03-26 06:49:56,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 06:49:56,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 06:49:56,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 306 transitions. [2021-03-26 06:49:56,370 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3090909090909091 [2021-03-26 06:49:56,370 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 306 transitions. [2021-03-26 06:49:56,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 306 transitions. [2021-03-26 06:49:56,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:56,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 306 transitions. [2021-03-26 06:49:56,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 20.4) internal successors, (306), 15 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:56,372 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 66.0) internal successors, (1056), 16 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:56,372 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 66.0) internal successors, (1056), 16 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:56,372 INFO L185 Difference]: Start difference. First operand has 385 places, 742 transitions, 17788 flow. Second operand 15 states and 306 transitions. [2021-03-26 06:49:56,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 850 transitions, 21906 flow [2021-03-26 06:49:56,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 850 transitions, 21161 flow, removed 156 selfloop flow, removed 10 redundant places. [2021-03-26 06:49:56,891 INFO L241 Difference]: Finished difference. Result has 393 places, 805 transitions, 19442 flow [2021-03-26 06:49:56,892 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=16798, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=730, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=260, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=19442, PETRI_PLACES=393, PETRI_TRANSITIONS=805} [2021-03-26 06:49:56,892 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 372 predicate places. [2021-03-26 06:49:56,892 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:56,892 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 393 places, 805 transitions, 19442 flow [2021-03-26 06:49:56,892 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 393 places, 805 transitions, 19442 flow [2021-03-26 06:49:56,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 393 places, 805 transitions, 19442 flow [2021-03-26 06:49:57,269 INFO L129 PetriNetUnfolder]: 793/2283 cut-off events. [2021-03-26 06:49:57,270 INFO L130 PetriNetUnfolder]: For 70379/70423 co-relation queries the response was YES. [2021-03-26 06:49:57,296 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22321 conditions, 2283 events. 793/2283 cut-off events. For 70379/70423 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 21482 event pairs, 11 based on Foata normal form. 2/2281 useless extension candidates. Maximal degree in co-relation 21930. Up to 544 conditions per place. [2021-03-26 06:49:57,314 INFO L142 LiptonReduction]: Number of co-enabled transitions 1038 [2021-03-26 06:49:57,380 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:57,380 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:57,380 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 488 [2021-03-26 06:49:57,380 INFO L480 AbstractCegarLoop]: Abstraction has has 393 places, 805 transitions, 19442 flow [2021-03-26 06:49:57,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.2) internal successors, (172), 10 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:57,381 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:57,381 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:57,581 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:57,581 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:57,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:57,581 INFO L82 PathProgramCache]: Analyzing trace with hash -44595572, now seen corresponding path program 12 times [2021-03-26 06:49:57,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:57,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584268215] [2021-03-26 06:49:57,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:57,587 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:49:57,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:57,592 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:57,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:57,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:57,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:57,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:57,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:57,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:57,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584268215] [2021-03-26 06:49:57,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449464694] [2021-03-26 06:49:57,613 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:57,632 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-26 06:49:57,633 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:49:57,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:49:57,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:57,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:57,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:57,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:57,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:57,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:57,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:57,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:57,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:57,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:57,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:57,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:57,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:57,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:57,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:57,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:57,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:57,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:57,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:57,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:57,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:57,658 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-26 06:49:57,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:57,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:57,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:57,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:57,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:57,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:57,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:57,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:57,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:57,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:57,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:57,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:57,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:57,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:57,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:57,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:57,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:57,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:57,665 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-03-26 06:49:57,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:57,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:57,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:57,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:49:57,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:57,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:57,669 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 06:49:57,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:57,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:57,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:57,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:57,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:57,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:57,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:57,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:57,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:57,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:57,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:57,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:57,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:57,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:57,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:57,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:57,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:57,676 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:57,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:57,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-03-26 06:49:57,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025810074] [2021-03-26 06:49:57,677 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 06:49:57,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:57,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 06:49:57,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-26 06:49:57,677 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 66 [2021-03-26 06:49:57,677 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 805 transitions, 19442 flow. Second operand has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:57,677 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:57,677 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 66 [2021-03-26 06:49:57,677 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:49:58,521 INFO L129 PetriNetUnfolder]: 841/2260 cut-off events. [2021-03-26 06:49:58,521 INFO L130 PetriNetUnfolder]: For 72295/72399 co-relation queries the response was YES. [2021-03-26 06:49:58,545 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24014 conditions, 2260 events. 841/2260 cut-off events. For 72295/72399 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 20343 event pairs, 20 based on Foata normal form. 84/2344 useless extension candidates. Maximal degree in co-relation 23576. Up to 608 conditions per place. [2021-03-26 06:49:58,555 INFO L132 encePairwiseOnDemand]: 56/66 looper letters, 422 selfloop transitions, 425 changer transitions 3/857 dead transitions. [2021-03-26 06:49:58,555 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 857 transitions, 22422 flow [2021-03-26 06:49:58,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-26 06:49:58,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-26 06:49:58,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 422 transitions. [2021-03-26 06:49:58,556 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30447330447330445 [2021-03-26 06:49:58,556 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 422 transitions. [2021-03-26 06:49:58,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 422 transitions. [2021-03-26 06:49:58,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:49:58,556 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 422 transitions. [2021-03-26 06:49:58,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 20.095238095238095) internal successors, (422), 21 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:58,557 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 66.0) internal successors, (1452), 22 states have internal predecessors, (1452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:58,558 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 66.0) internal successors, (1452), 22 states have internal predecessors, (1452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:58,558 INFO L185 Difference]: Start difference. First operand has 393 places, 805 transitions, 19442 flow. Second operand 21 states and 422 transitions. [2021-03-26 06:49:58,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 857 transitions, 22422 flow [2021-03-26 06:49:59,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 857 transitions, 21422 flow, removed 304 selfloop flow, removed 6 redundant places. [2021-03-26 06:49:59,084 INFO L241 Difference]: Finished difference. Result has 412 places, 824 transitions, 20251 flow [2021-03-26 06:49:59,084 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=18216, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=794, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=394, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=20251, PETRI_PLACES=412, PETRI_TRANSITIONS=824} [2021-03-26 06:49:59,084 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 391 predicate places. [2021-03-26 06:49:59,084 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:49:59,085 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 412 places, 824 transitions, 20251 flow [2021-03-26 06:49:59,085 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 412 places, 824 transitions, 20251 flow [2021-03-26 06:49:59,091 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 412 places, 824 transitions, 20251 flow [2021-03-26 06:49:59,449 INFO L129 PetriNetUnfolder]: 780/2184 cut-off events. [2021-03-26 06:49:59,449 INFO L130 PetriNetUnfolder]: For 63121/63174 co-relation queries the response was YES. [2021-03-26 06:49:59,467 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21706 conditions, 2184 events. 780/2184 cut-off events. For 63121/63174 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 20143 event pairs, 6 based on Foata normal form. 11/2188 useless extension candidates. Maximal degree in co-relation 21215. Up to 526 conditions per place. [2021-03-26 06:49:59,482 INFO L142 LiptonReduction]: Number of co-enabled transitions 1064 [2021-03-26 06:49:59,554 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:49:59,555 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:49:59,555 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 471 [2021-03-26 06:49:59,555 INFO L480 AbstractCegarLoop]: Abstraction has has 412 places, 824 transitions, 20251 flow [2021-03-26 06:49:59,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:59,555 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:49:59,555 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:49:59,755 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2021-03-26 06:49:59,756 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:49:59,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:49:59,756 INFO L82 PathProgramCache]: Analyzing trace with hash 2017692361, now seen corresponding path program 13 times [2021-03-26 06:49:59,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:49:59,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448467833] [2021-03-26 06:49:59,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:49:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:59,761 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-26 06:49:59,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:49:59,767 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:49:59,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:59,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:49:59,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:49:59,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:59,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:59,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448467833] [2021-03-26 06:49:59,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231616994] [2021-03-26 06:49:59,780 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:49:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:49:59,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:49:59,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:49:59,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:59,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:59,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:59,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:59,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:59,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:59,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:59,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:59,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:59,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:59,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:59,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:59,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:59,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:49:59,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:49:59,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:59,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:59,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:59,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:49:59,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:49:59,848 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 06:49:59,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:59,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:49:59,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:49:59,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:49:59,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:59,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:59,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:59,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:59,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:59,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:59,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:59,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:59,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:59,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:59,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:49:59,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:49:59,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:49:59,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:49:59,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 06:49:59,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916811248] [2021-03-26 06:49:59,856 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 06:49:59,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:49:59,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 06:49:59,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-26 06:49:59,856 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 66 [2021-03-26 06:49:59,856 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 824 transitions, 20251 flow. Second operand has 10 states, 10 states have (on average 18.5) internal successors, (185), 10 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:49:59,857 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:49:59,857 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 66 [2021-03-26 06:49:59,857 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:50:00,701 INFO L129 PetriNetUnfolder]: 895/2321 cut-off events. [2021-03-26 06:50:00,701 INFO L130 PetriNetUnfolder]: For 71295/71322 co-relation queries the response was YES. [2021-03-26 06:50:00,733 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25405 conditions, 2321 events. 895/2321 cut-off events. For 71295/71322 co-relation queries the response was YES. Maximal size of possible extension queue 274. Compared 20545 event pairs, 25 based on Foata normal form. 26/2347 useless extension candidates. Maximal degree in co-relation 24891. Up to 1386 conditions per place. [2021-03-26 06:50:00,746 INFO L132 encePairwiseOnDemand]: 54/66 looper letters, 699 selfloop transitions, 201 changer transitions 1/907 dead transitions. [2021-03-26 06:50:00,746 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 907 transitions, 24060 flow [2021-03-26 06:50:00,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 06:50:00,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 06:50:00,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 188 transitions. [2021-03-26 06:50:00,747 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3560606060606061 [2021-03-26 06:50:00,747 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 188 transitions. [2021-03-26 06:50:00,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 188 transitions. [2021-03-26 06:50:00,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:50:00,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 188 transitions. [2021-03-26 06:50:00,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 23.5) internal successors, (188), 8 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:00,748 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 66.0) internal successors, (594), 9 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:00,748 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 66.0) internal successors, (594), 9 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:00,748 INFO L185 Difference]: Start difference. First operand has 412 places, 824 transitions, 20251 flow. Second operand 8 states and 188 transitions. [2021-03-26 06:50:00,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 907 transitions, 24060 flow [2021-03-26 06:50:01,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 907 transitions, 23114 flow, removed 232 selfloop flow, removed 10 redundant places. [2021-03-26 06:50:01,318 INFO L241 Difference]: Finished difference. Result has 412 places, 854 transitions, 20834 flow [2021-03-26 06:50:01,318 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=19249, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=821, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=168, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=651, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20834, PETRI_PLACES=412, PETRI_TRANSITIONS=854} [2021-03-26 06:50:01,318 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 391 predicate places. [2021-03-26 06:50:01,318 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:50:01,320 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 412 places, 854 transitions, 20834 flow [2021-03-26 06:50:01,320 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 412 places, 854 transitions, 20834 flow [2021-03-26 06:50:01,328 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 412 places, 854 transitions, 20834 flow [2021-03-26 06:50:01,727 INFO L129 PetriNetUnfolder]: 824/2255 cut-off events. [2021-03-26 06:50:01,728 INFO L130 PetriNetUnfolder]: For 67611/67639 co-relation queries the response was YES. [2021-03-26 06:50:01,745 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22343 conditions, 2255 events. 824/2255 cut-off events. For 67611/67639 co-relation queries the response was YES. Maximal size of possible extension queue 270. Compared 20664 event pairs, 6 based on Foata normal form. 1/2250 useless extension candidates. Maximal degree in co-relation 21842. Up to 560 conditions per place. [2021-03-26 06:50:01,762 INFO L142 LiptonReduction]: Number of co-enabled transitions 1060 [2021-03-26 06:50:01,847 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:50:01,847 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:50:01,847 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 529 [2021-03-26 06:50:01,848 INFO L480 AbstractCegarLoop]: Abstraction has has 412 places, 854 transitions, 20834 flow [2021-03-26 06:50:01,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 18.5) internal successors, (185), 10 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:01,848 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:50:01,848 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:50:02,055 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,45 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:50:02,056 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:50:02,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:50:02,056 INFO L82 PathProgramCache]: Analyzing trace with hash -318912609, now seen corresponding path program 11 times [2021-03-26 06:50:02,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:50:02,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184729109] [2021-03-26 06:50:02,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:50:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:50:02,063 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:50:02,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:02,067 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:50:02,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:02,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:50:02,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:02,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:02,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:02,088 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:02,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184729109] [2021-03-26 06:50:02,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093297844] [2021-03-26 06:50:02,088 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:50:02,111 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:50:02,111 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:50:02,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:50:02,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:50:02,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:02,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:02,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:02,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:02,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:02,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:02,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:02,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:02,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:02,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:02,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:02,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:02,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:02,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:02,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:02,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:02,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:02,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:02,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:02,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:02,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:02,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:02,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:02,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:02,144 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-26 06:50:02,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:50:02,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:02,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:02,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:02,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:02,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:02,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:02,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:02,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:02,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:02,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:02,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:02,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:02,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:50:02,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:02,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:02,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:02,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:02,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:02,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:02,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:02,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:02,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:50:02,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:02,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:02,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:50:02,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:02,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:02,174 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:50:02,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:02,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:02,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:02,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:02,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:02,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:02,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:02,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:02,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:02,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:02,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:02,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:02,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:02,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:02,180 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:02,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:50:02,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-26 06:50:02,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938962950] [2021-03-26 06:50:02,181 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 06:50:02,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:50:02,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 06:50:02,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-26 06:50:02,181 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 66 [2021-03-26 06:50:02,182 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 854 transitions, 20834 flow. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:02,182 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:50:02,182 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 66 [2021-03-26 06:50:02,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:50:03,081 INFO L129 PetriNetUnfolder]: 931/2423 cut-off events. [2021-03-26 06:50:03,082 INFO L130 PetriNetUnfolder]: For 71461/71565 co-relation queries the response was YES. [2021-03-26 06:50:03,110 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25748 conditions, 2423 events. 931/2423 cut-off events. For 71461/71565 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 21585 event pairs, 34 based on Foata normal form. 65/2488 useless extension candidates. Maximal degree in co-relation 25197. Up to 1323 conditions per place. [2021-03-26 06:50:03,121 INFO L132 encePairwiseOnDemand]: 56/66 looper letters, 638 selfloop transitions, 264 changer transitions 0/909 dead transitions. [2021-03-26 06:50:03,121 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 909 transitions, 23748 flow [2021-03-26 06:50:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 06:50:03,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 06:50:03,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 284 transitions. [2021-03-26 06:50:03,122 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30735930735930733 [2021-03-26 06:50:03,122 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 284 transitions. [2021-03-26 06:50:03,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 284 transitions. [2021-03-26 06:50:03,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:50:03,123 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 284 transitions. [2021-03-26 06:50:03,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 20.285714285714285) internal successors, (284), 14 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:03,124 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 66.0) internal successors, (990), 15 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:03,124 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 66.0) internal successors, (990), 15 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:03,124 INFO L185 Difference]: Start difference. First operand has 412 places, 854 transitions, 20834 flow. Second operand 14 states and 284 transitions. [2021-03-26 06:50:03,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 909 transitions, 23748 flow [2021-03-26 06:50:03,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 909 transitions, 23459 flow, removed 41 selfloop flow, removed 3 redundant places. [2021-03-26 06:50:03,686 INFO L241 Difference]: Finished difference. Result has 425 places, 892 transitions, 21943 flow [2021-03-26 06:50:03,686 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=20545, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=854, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=226, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=624, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=21943, PETRI_PLACES=425, PETRI_TRANSITIONS=892} [2021-03-26 06:50:03,686 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 404 predicate places. [2021-03-26 06:50:03,686 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:50:03,686 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 425 places, 892 transitions, 21943 flow [2021-03-26 06:50:03,687 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 425 places, 892 transitions, 21943 flow [2021-03-26 06:50:03,694 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 425 places, 892 transitions, 21943 flow [2021-03-26 06:50:04,104 INFO L129 PetriNetUnfolder]: 859/2341 cut-off events. [2021-03-26 06:50:04,104 INFO L130 PetriNetUnfolder]: For 69479/69530 co-relation queries the response was YES. [2021-03-26 06:50:04,125 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23303 conditions, 2341 events. 859/2341 cut-off events. For 69479/69530 co-relation queries the response was YES. Maximal size of possible extension queue 270. Compared 21442 event pairs, 7 based on Foata normal form. 2/2337 useless extension candidates. Maximal degree in co-relation 22802. Up to 567 conditions per place. [2021-03-26 06:50:04,154 INFO L142 LiptonReduction]: Number of co-enabled transitions 1096 [2021-03-26 06:50:04,248 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:50:04,248 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:50:04,248 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 562 [2021-03-26 06:50:04,249 INFO L480 AbstractCegarLoop]: Abstraction has has 425 places, 892 transitions, 21943 flow [2021-03-26 06:50:04,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:04,249 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:50:04,249 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:50:04,455 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,46 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:50:04,456 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:50:04,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:50:04,456 INFO L82 PathProgramCache]: Analyzing trace with hash -519003804, now seen corresponding path program 14 times [2021-03-26 06:50:04,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:50:04,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371324283] [2021-03-26 06:50:04,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:50:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:50:04,465 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:50:04,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:04,471 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:50:04,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:04,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:04,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:04,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:04,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:04,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:04,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371324283] [2021-03-26 06:50:04,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919439403] [2021-03-26 06:50:04,491 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:50:04,513 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:50:04,513 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:50:04,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:50:04,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:50:04,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:04,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:04,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:04,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:04,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:04,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:04,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:04,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:04,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:04,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:04,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:04,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:04,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:04,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:04,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:04,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:04,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:04,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:04,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:04,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:04,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:04,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:04,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:04,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:04,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:04,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:04,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:04,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:04,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:04,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:04,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:04,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:04,556 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-26 06:50:04,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:04,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:04,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:04,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:04,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:04,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:04,570 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-26 06:50:04,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:04,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:04,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:04,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:50:04,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:04,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:04,575 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 06:50:04,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:04,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:04,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:04,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:04,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:04,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:04,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:04,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:04,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:04,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:04,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:04,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:04,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:04,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:04,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:04,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:04,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:04,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:04,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:50:04,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-26 06:50:04,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937779520] [2021-03-26 06:50:04,585 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:50:04,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:50:04,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:50:04,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:50:04,586 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 66 [2021-03-26 06:50:04,586 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 892 transitions, 21943 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:04,586 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:50:04,586 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 66 [2021-03-26 06:50:04,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:50:05,790 INFO L129 PetriNetUnfolder]: 1000/2660 cut-off events. [2021-03-26 06:50:05,790 INFO L130 PetriNetUnfolder]: For 82094/82198 co-relation queries the response was YES. [2021-03-26 06:50:05,816 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28514 conditions, 2660 events. 1000/2660 cut-off events. For 82094/82198 co-relation queries the response was YES. Maximal size of possible extension queue 311. Compared 24510 event pairs, 24 based on Foata normal form. 57/2717 useless extension candidates. Maximal degree in co-relation 27989. Up to 717 conditions per place. [2021-03-26 06:50:05,828 INFO L132 encePairwiseOnDemand]: 56/66 looper letters, 497 selfloop transitions, 506 changer transitions 4/1014 dead transitions. [2021-03-26 06:50:05,828 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 1014 transitions, 27093 flow [2021-03-26 06:50:05,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-26 06:50:05,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-03-26 06:50:05,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 503 transitions. [2021-03-26 06:50:05,829 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30484848484848487 [2021-03-26 06:50:05,829 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 503 transitions. [2021-03-26 06:50:05,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 503 transitions. [2021-03-26 06:50:05,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:50:05,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 503 transitions. [2021-03-26 06:50:05,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 20.12) internal successors, (503), 25 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:05,831 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 66.0) internal successors, (1716), 26 states have internal predecessors, (1716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:05,831 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 66.0) internal successors, (1716), 26 states have internal predecessors, (1716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:05,831 INFO L185 Difference]: Start difference. First operand has 425 places, 892 transitions, 21943 flow. Second operand 25 states and 503 transitions. [2021-03-26 06:50:05,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 1014 transitions, 27093 flow [2021-03-26 06:50:06,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 1014 transitions, 26871 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 06:50:06,501 INFO L241 Difference]: Finished difference. Result has 451 places, 962 transitions, 25124 flow [2021-03-26 06:50:06,502 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=21725, PETRI_DIFFERENCE_MINUEND_PLACES=420, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=892, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=441, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=431, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=25124, PETRI_PLACES=451, PETRI_TRANSITIONS=962} [2021-03-26 06:50:06,502 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 430 predicate places. [2021-03-26 06:50:06,502 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:50:06,502 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 451 places, 962 transitions, 25124 flow [2021-03-26 06:50:06,502 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 451 places, 962 transitions, 25124 flow [2021-03-26 06:50:06,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 451 places, 962 transitions, 25124 flow [2021-03-26 06:50:06,938 INFO L129 PetriNetUnfolder]: 920/2563 cut-off events. [2021-03-26 06:50:06,938 INFO L130 PetriNetUnfolder]: For 89982/90096 co-relation queries the response was YES. [2021-03-26 06:50:06,965 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26798 conditions, 2563 events. 920/2563 cut-off events. For 89982/90096 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 24267 event pairs, 9 based on Foata normal form. 14/2566 useless extension candidates. Maximal degree in co-relation 26277. Up to 621 conditions per place. [2021-03-26 06:50:07,053 INFO L142 LiptonReduction]: Number of co-enabled transitions 1158 [2021-03-26 06:50:07,149 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:50:07,149 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:50:07,150 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 648 [2021-03-26 06:50:07,150 INFO L480 AbstractCegarLoop]: Abstraction has has 451 places, 962 transitions, 25124 flow [2021-03-26 06:50:07,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:07,150 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:50:07,150 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:50:07,363 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable72 [2021-03-26 06:50:07,364 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:50:07,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:50:07,364 INFO L82 PathProgramCache]: Analyzing trace with hash 2065350184, now seen corresponding path program 15 times [2021-03-26 06:50:07,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:50:07,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639819761] [2021-03-26 06:50:07,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:50:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:50:07,372 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:50:07,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:07,377 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:50:07,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:07,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:07,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:07,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:07,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:07,397 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:07,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639819761] [2021-03-26 06:50:07,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170885224] [2021-03-26 06:50:07,397 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:50:07,419 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-26 06:50:07,419 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:50:07,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:50:07,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:50:07,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:07,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:07,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:07,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:07,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:07,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:07,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:07,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:07,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:07,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:07,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:07,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:07,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:07,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:07,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:07,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:07,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:07,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:07,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:07,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:07,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:07,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:07,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:07,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:07,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:07,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:07,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:07,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:07,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:07,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:07,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:07,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:07,465 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-26 06:50:07,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:07,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:07,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:07,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:50:07,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:07,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:07,470 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-03-26 06:50:07,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:07,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:07,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:07,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:50:07,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:07,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:07,474 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 06:50:07,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:07,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:07,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:07,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:07,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:07,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:07,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:07,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:07,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:07,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:07,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:07,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:07,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:07,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:07,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:07,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:07,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:07,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:07,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:50:07,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-26 06:50:07,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950400489] [2021-03-26 06:50:07,482 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 06:50:07,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:50:07,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 06:50:07,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-03-26 06:50:07,483 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 66 [2021-03-26 06:50:07,483 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 962 transitions, 25124 flow. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:07,483 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:50:07,483 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 66 [2021-03-26 06:50:07,483 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:50:08,699 INFO L129 PetriNetUnfolder]: 993/2663 cut-off events. [2021-03-26 06:50:08,700 INFO L130 PetriNetUnfolder]: For 91079/91130 co-relation queries the response was YES. [2021-03-26 06:50:08,725 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29786 conditions, 2663 events. 993/2663 cut-off events. For 91079/91130 co-relation queries the response was YES. Maximal size of possible extension queue 311. Compared 24636 event pairs, 20 based on Foata normal form. 47/2710 useless extension candidates. Maximal degree in co-relation 29241. Up to 717 conditions per place. [2021-03-26 06:50:08,736 INFO L132 encePairwiseOnDemand]: 56/66 looper letters, 457 selfloop transitions, 553 changer transitions 1/1018 dead transitions. [2021-03-26 06:50:08,737 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 473 places, 1018 transitions, 28632 flow [2021-03-26 06:50:08,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-26 06:50:08,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-26 06:50:08,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 467 transitions. [2021-03-26 06:50:08,740 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30764163372859027 [2021-03-26 06:50:08,740 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 467 transitions. [2021-03-26 06:50:08,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 467 transitions. [2021-03-26 06:50:08,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:50:08,740 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 467 transitions. [2021-03-26 06:50:08,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 20.304347826086957) internal successors, (467), 23 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:08,744 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 66.0) internal successors, (1584), 24 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:08,745 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 66.0) internal successors, (1584), 24 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:08,745 INFO L185 Difference]: Start difference. First operand has 451 places, 962 transitions, 25124 flow. Second operand 23 states and 467 transitions. [2021-03-26 06:50:08,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 473 places, 1018 transitions, 28632 flow [2021-03-26 06:50:09,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 468 places, 1018 transitions, 27845 flow, removed 299 selfloop flow, removed 5 redundant places. [2021-03-26 06:50:09,501 INFO L241 Difference]: Finished difference. Result has 474 places, 981 transitions, 26468 flow [2021-03-26 06:50:09,502 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=24454, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=961, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=534, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=26468, PETRI_PLACES=474, PETRI_TRANSITIONS=981} [2021-03-26 06:50:09,502 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 453 predicate places. [2021-03-26 06:50:09,502 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:50:09,502 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 474 places, 981 transitions, 26468 flow [2021-03-26 06:50:09,502 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 474 places, 981 transitions, 26468 flow [2021-03-26 06:50:09,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 474 places, 981 transitions, 26468 flow [2021-03-26 06:50:10,004 INFO L129 PetriNetUnfolder]: 914/2570 cut-off events. [2021-03-26 06:50:10,004 INFO L130 PetriNetUnfolder]: For 85870/85947 co-relation queries the response was YES. [2021-03-26 06:50:10,027 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26937 conditions, 2570 events. 914/2570 cut-off events. For 85870/85947 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 24374 event pairs, 6 based on Foata normal form. 12/2572 useless extension candidates. Maximal degree in co-relation 26408. Up to 613 conditions per place. [2021-03-26 06:50:10,057 INFO L142 LiptonReduction]: Number of co-enabled transitions 1192 [2021-03-26 06:50:10,174 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:50:10,174 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:50:10,174 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 672 [2021-03-26 06:50:10,174 INFO L480 AbstractCegarLoop]: Abstraction has has 474 places, 981 transitions, 26468 flow [2021-03-26 06:50:10,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:10,174 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:50:10,175 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:50:10,375 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:50:10,376 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:50:10,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:50:10,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1442867034, now seen corresponding path program 5 times [2021-03-26 06:50:10,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:50:10,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298941995] [2021-03-26 06:50:10,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:50:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:50:10,382 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:50:10,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:10,387 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:50:10,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:10,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:10,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:10,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:10,400 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:10,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298941995] [2021-03-26 06:50:10,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029104456] [2021-03-26 06:50:10,400 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:50:10,417 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-26 06:50:10,417 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:50:10,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 06:50:10,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:50:10,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:10,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:10,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:10,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:10,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:10,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:10,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:10,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:10,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:10,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:10,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:10,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:10,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:10,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:10,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:10,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:10,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:10,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:10,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:10,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:10,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:10,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:10,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:10,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:10,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:10,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:10,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:10,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:10,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:10,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:10,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:10,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:10,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:10,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:10,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:10,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:10,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:10,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:10,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:10,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:50:10,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:10,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:10,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:10,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:10,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:10,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:10,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:10,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:10,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:10,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:10,471 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:50:10,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:10,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:10,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:10,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:10,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:10,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:10,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:10,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:10,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:10,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:10,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:10,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:10,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:10,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:10,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:10,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:50:10,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-03-26 06:50:10,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913020040] [2021-03-26 06:50:10,477 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 06:50:10,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:50:10,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 06:50:10,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-26 06:50:10,477 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 66 [2021-03-26 06:50:10,477 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 981 transitions, 26468 flow. Second operand has 9 states, 9 states have (on average 17.22222222222222) internal successors, (155), 9 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:10,478 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:50:10,478 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 66 [2021-03-26 06:50:10,478 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:50:11,519 INFO L129 PetriNetUnfolder]: 1024/2667 cut-off events. [2021-03-26 06:50:11,519 INFO L130 PetriNetUnfolder]: For 92453/92557 co-relation queries the response was YES. [2021-03-26 06:50:11,547 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30596 conditions, 2667 events. 1024/2667 cut-off events. For 92453/92557 co-relation queries the response was YES. Maximal size of possible extension queue 309. Compared 24239 event pairs, 37 based on Foata normal form. 81/2748 useless extension candidates. Maximal degree in co-relation 30045. Up to 1153 conditions per place. [2021-03-26 06:50:11,559 INFO L132 encePairwiseOnDemand]: 53/66 looper letters, 695 selfloop transitions, 312 changer transitions 0/1014 dead transitions. [2021-03-26 06:50:11,559 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 478 places, 1014 transitions, 29519 flow [2021-03-26 06:50:11,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 06:50:11,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 06:50:11,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 198 transitions. [2021-03-26 06:50:11,560 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3333333333333333 [2021-03-26 06:50:11,560 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 198 transitions. [2021-03-26 06:50:11,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 198 transitions. [2021-03-26 06:50:11,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:50:11,561 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 198 transitions. [2021-03-26 06:50:11,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 22.0) internal successors, (198), 9 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:11,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 66.0) internal successors, (660), 10 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:11,561 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 66.0) internal successors, (660), 10 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:11,561 INFO L185 Difference]: Start difference. First operand has 474 places, 981 transitions, 26468 flow. Second operand 9 states and 198 transitions. [2021-03-26 06:50:11,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 478 places, 1014 transitions, 29519 flow [2021-03-26 06:50:12,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 1014 transitions, 28439 flow, removed 199 selfloop flow, removed 15 redundant places. [2021-03-26 06:50:12,295 INFO L241 Difference]: Finished difference. Result has 464 places, 992 transitions, 26469 flow [2021-03-26 06:50:12,296 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=25148, PETRI_DIFFERENCE_MINUEND_PLACES=455, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=970, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=290, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=678, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=26469, PETRI_PLACES=464, PETRI_TRANSITIONS=992} [2021-03-26 06:50:12,296 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 443 predicate places. [2021-03-26 06:50:12,296 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:50:12,296 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 464 places, 992 transitions, 26469 flow [2021-03-26 06:50:12,296 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 464 places, 992 transitions, 26469 flow [2021-03-26 06:50:12,307 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 464 places, 992 transitions, 26469 flow [2021-03-26 06:50:12,789 INFO L129 PetriNetUnfolder]: 941/2593 cut-off events. [2021-03-26 06:50:12,789 INFO L130 PetriNetUnfolder]: For 84318/84406 co-relation queries the response was YES. [2021-03-26 06:50:12,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27191 conditions, 2593 events. 941/2593 cut-off events. For 84318/84406 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 24371 event pairs, 8 based on Foata normal form. 16/2605 useless extension candidates. Maximal degree in co-relation 26662. Up to 638 conditions per place. [2021-03-26 06:50:12,834 INFO L142 LiptonReduction]: Number of co-enabled transitions 1186 [2021-03-26 06:50:12,949 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:50:12,949 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:50:12,949 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 653 [2021-03-26 06:50:12,949 INFO L480 AbstractCegarLoop]: Abstraction has has 464 places, 992 transitions, 26469 flow [2021-03-26 06:50:12,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.22222222222222) internal successors, (155), 9 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:12,949 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:50:12,949 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:50:13,150 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,49 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:50:13,150 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:50:13,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:50:13,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1649643928, now seen corresponding path program 16 times [2021-03-26 06:50:13,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:50:13,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592242522] [2021-03-26 06:50:13,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:50:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:50:13,157 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:50:13,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:13,162 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:50:13,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:13,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:13,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:50:13,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:13,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:13,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:13,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592242522] [2021-03-26 06:50:13,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366329360] [2021-03-26 06:50:13,182 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:50:13,199 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 06:50:13,199 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:50:13,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:50:13,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:50:13,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:13,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:13,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:13,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:13,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:13,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:13,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:13,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:13,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:13,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:13,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:13,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:13,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:13,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:13,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:13,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:13,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:13,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:13,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:13,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:13,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:13,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:13,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:13,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:13,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:13,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:13,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:13,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:13,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:13,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:13,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:13,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:13,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:13,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:13,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:13,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:13,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:13,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:13,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:13,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:13,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:13,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:13,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:13,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:13,251 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-26 06:50:13,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:13,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:13,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:13,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:50:13,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:13,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:13,258 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:50:13,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:13,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:13,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:13,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:13,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:13,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:13,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:13,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:13,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:13,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:13,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:13,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:13,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:13,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:13,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:13,263 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:50:13,263 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-26 06:50:13,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482332580] [2021-03-26 06:50:13,263 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:50:13,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:50:13,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:50:13,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:50:13,264 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 66 [2021-03-26 06:50:13,264 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 992 transitions, 26469 flow. Second operand has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:13,264 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:50:13,264 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 66 [2021-03-26 06:50:13,264 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:50:14,434 INFO L129 PetriNetUnfolder]: 1039/2704 cut-off events. [2021-03-26 06:50:14,434 INFO L130 PetriNetUnfolder]: For 88759/88810 co-relation queries the response was YES. [2021-03-26 06:50:14,462 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30647 conditions, 2704 events. 1039/2704 cut-off events. For 88759/88810 co-relation queries the response was YES. Maximal size of possible extension queue 316. Compared 24619 event pairs, 45 based on Foata normal form. 34/2738 useless extension candidates. Maximal degree in co-relation 30105. Up to 1271 conditions per place. [2021-03-26 06:50:14,475 INFO L132 encePairwiseOnDemand]: 57/66 looper letters, 627 selfloop transitions, 416 changer transitions 0/1050 dead transitions. [2021-03-26 06:50:14,475 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 1050 transitions, 30004 flow [2021-03-26 06:50:14,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 06:50:14,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 06:50:14,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 357 transitions. [2021-03-26 06:50:14,476 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3181818181818182 [2021-03-26 06:50:14,476 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 357 transitions. [2021-03-26 06:50:14,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 357 transitions. [2021-03-26 06:50:14,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:50:14,476 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 357 transitions. [2021-03-26 06:50:14,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 21.0) internal successors, (357), 17 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:14,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 66.0) internal successors, (1188), 18 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:14,477 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 66.0) internal successors, (1188), 18 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:14,477 INFO L185 Difference]: Start difference. First operand has 464 places, 992 transitions, 26469 flow. Second operand 17 states and 357 transitions. [2021-03-26 06:50:14,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 1050 transitions, 30004 flow [2021-03-26 06:50:15,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 1050 transitions, 29500 flow, removed 15 selfloop flow, removed 5 redundant places. [2021-03-26 06:50:15,249 INFO L241 Difference]: Finished difference. Result has 478 places, 1013 transitions, 27524 flow [2021-03-26 06:50:15,249 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=25971, PETRI_DIFFERENCE_MINUEND_PLACES=459, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=992, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=395, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=586, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=27524, PETRI_PLACES=478, PETRI_TRANSITIONS=1013} [2021-03-26 06:50:15,249 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 457 predicate places. [2021-03-26 06:50:15,249 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:50:15,249 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 478 places, 1013 transitions, 27524 flow [2021-03-26 06:50:15,250 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 478 places, 1013 transitions, 27524 flow [2021-03-26 06:50:15,258 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 478 places, 1013 transitions, 27524 flow [2021-03-26 06:50:15,792 INFO L129 PetriNetUnfolder]: 956/2620 cut-off events. [2021-03-26 06:50:15,792 INFO L130 PetriNetUnfolder]: For 88030/88106 co-relation queries the response was YES. [2021-03-26 06:50:15,827 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27929 conditions, 2620 events. 956/2620 cut-off events. For 88030/88106 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 24628 event pairs, 9 based on Foata normal form. 11/2626 useless extension candidates. Maximal degree in co-relation 27454. Up to 646 conditions per place. [2021-03-26 06:50:15,857 INFO L142 LiptonReduction]: Number of co-enabled transitions 1202 [2021-03-26 06:50:15,964 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:50:15,965 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:50:15,965 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 716 [2021-03-26 06:50:15,965 INFO L480 AbstractCegarLoop]: Abstraction has has 478 places, 1013 transitions, 27524 flow [2021-03-26 06:50:15,965 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:15,965 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:50:15,965 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:50:16,166 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable75 [2021-03-26 06:50:16,166 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:50:16,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:50:16,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1730079709, now seen corresponding path program 17 times [2021-03-26 06:50:16,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:50:16,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991111562] [2021-03-26 06:50:16,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:50:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:50:16,174 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-26 06:50:16,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:50:16,183 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:50:16,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:16,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:16,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:16,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:16,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:16,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991111562] [2021-03-26 06:50:16,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509032300] [2021-03-26 06:50:16,200 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:50:16,219 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:50:16,219 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:50:16,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:50:16,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:50:16,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:50:16,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:16,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:16,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:50:16,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:16,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:16,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:16,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:16,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:16,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:16,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:16,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:16,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:16,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:16,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:16,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:16,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:16,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:16,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:16,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:16,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:16,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:16,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:16,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:16,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:16,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:16,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:16,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:16,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:16,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:16,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:16,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:16,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:16,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:16,264 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 06:50:16,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:50:16,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:16,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:16,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:50:16,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:16,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:16,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:16,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:16,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:50:16,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:16,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:16,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:16,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:50:16,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:50:16,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:16,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:16,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:16,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:16,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:16,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:16,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:16,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:16,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:16,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:16,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:16,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:16,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:16,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:16,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:16,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:16,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:16,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:16,293 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:16,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:50:16,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 06:50:16,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103316245] [2021-03-26 06:50:16,293 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 06:50:16,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:50:16,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 06:50:16,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-26 06:50:16,294 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 66 [2021-03-26 06:50:16,294 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 478 places, 1013 transitions, 27524 flow. Second operand has 10 states, 10 states have (on average 18.3) internal successors, (183), 10 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:16,295 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:50:16,295 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 66 [2021-03-26 06:50:16,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:50:17,729 INFO L129 PetriNetUnfolder]: 1041/2720 cut-off events. [2021-03-26 06:50:17,729 INFO L130 PetriNetUnfolder]: For 93091/93142 co-relation queries the response was YES. [2021-03-26 06:50:17,760 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31340 conditions, 2720 events. 1041/2720 cut-off events. For 93091/93142 co-relation queries the response was YES. Maximal size of possible extension queue 314. Compared 24839 event pairs, 13 based on Foata normal form. 25/2745 useless extension candidates. Maximal degree in co-relation 30794. Up to 721 conditions per place. [2021-03-26 06:50:17,773 INFO L132 encePairwiseOnDemand]: 53/66 looper letters, 917 selfloop transitions, 337 changer transitions 10/1270 dead transitions. [2021-03-26 06:50:17,773 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 493 places, 1270 transitions, 36116 flow [2021-03-26 06:50:17,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 06:50:17,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 06:50:17,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 352 transitions. [2021-03-26 06:50:17,774 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3333333333333333 [2021-03-26 06:50:17,774 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 352 transitions. [2021-03-26 06:50:17,774 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 352 transitions. [2021-03-26 06:50:17,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:50:17,775 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 352 transitions. [2021-03-26 06:50:17,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 22.0) internal successors, (352), 16 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:17,776 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 66.0) internal successors, (1122), 17 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:17,776 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 66.0) internal successors, (1122), 17 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:17,776 INFO L185 Difference]: Start difference. First operand has 478 places, 1013 transitions, 27524 flow. Second operand 16 states and 352 transitions. [2021-03-26 06:50:17,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 493 places, 1270 transitions, 36116 flow [2021-03-26 06:50:18,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 482 places, 1270 transitions, 35391 flow, removed 54 selfloop flow, removed 11 redundant places. [2021-03-26 06:50:18,569 INFO L241 Difference]: Finished difference. Result has 484 places, 1018 transitions, 27831 flow [2021-03-26 06:50:18,569 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=26666, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1005, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=318, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=673, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=27831, PETRI_PLACES=484, PETRI_TRANSITIONS=1018} [2021-03-26 06:50:18,569 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 463 predicate places. [2021-03-26 06:50:18,569 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:50:18,569 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 484 places, 1018 transitions, 27831 flow [2021-03-26 06:50:18,569 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 484 places, 1018 transitions, 27831 flow [2021-03-26 06:50:18,578 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 483 places, 1018 transitions, 27831 flow [2021-03-26 06:50:19,016 INFO L129 PetriNetUnfolder]: 958/2629 cut-off events. [2021-03-26 06:50:19,016 INFO L130 PetriNetUnfolder]: For 89432/89522 co-relation queries the response was YES. [2021-03-26 06:50:19,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28074 conditions, 2629 events. 958/2629 cut-off events. For 89432/89522 co-relation queries the response was YES. Maximal size of possible extension queue 297. Compared 24661 event pairs, 9 based on Foata normal form. 9/2629 useless extension candidates. Maximal degree in co-relation 27534. Up to 668 conditions per place. [2021-03-26 06:50:19,081 INFO L142 LiptonReduction]: Number of co-enabled transitions 1174 [2021-03-26 06:50:19,199 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:50:19,199 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:50:19,199 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 630 [2021-03-26 06:50:19,199 INFO L480 AbstractCegarLoop]: Abstraction has has 483 places, 1018 transitions, 27831 flow [2021-03-26 06:50:19,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 18.3) internal successors, (183), 10 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:19,199 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:50:19,199 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:50:19,403 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:50:19,403 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:50:19,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:50:19,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1558978264, now seen corresponding path program 18 times [2021-03-26 06:50:19,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:50:19,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841981019] [2021-03-26 06:50:19,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:50:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:50:19,409 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:50:19,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:19,413 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:50:19,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:19,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:19,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:50:19,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:19,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:19,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:19,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841981019] [2021-03-26 06:50:19,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185794625] [2021-03-26 06:50:19,432 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:50:19,450 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-26 06:50:19,450 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:50:19,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:50:19,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:50:19,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:19,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:19,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:19,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:19,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:19,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:19,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:19,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:19,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:19,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:19,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:19,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:19,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:19,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:19,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:19,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:19,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:19,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:19,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:19,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:19,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:19,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:19,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:19,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:19,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:19,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:19,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:19,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:19,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:19,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:19,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:19,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:19,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:19,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:19,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:19,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:19,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:19,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:19,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:19,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:19,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:19,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:19,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:19,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:19,519 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-26 06:50:19,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:19,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:19,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:19,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:50:19,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:19,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:19,528 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:50:19,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:19,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:19,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:19,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:19,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:19,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:19,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:19,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:19,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:19,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:19,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:19,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:19,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:19,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:19,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:19,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:50:19,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-26 06:50:19,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050986188] [2021-03-26 06:50:19,533 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:50:19,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:50:19,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:50:19,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:50:19,534 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 66 [2021-03-26 06:50:19,534 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 483 places, 1018 transitions, 27831 flow. Second operand has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:19,534 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:50:19,534 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 66 [2021-03-26 06:50:19,534 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:50:20,685 INFO L129 PetriNetUnfolder]: 1039/2711 cut-off events. [2021-03-26 06:50:20,685 INFO L130 PetriNetUnfolder]: For 93044/93061 co-relation queries the response was YES. [2021-03-26 06:50:20,717 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31169 conditions, 2711 events. 1039/2711 cut-off events. For 93044/93061 co-relation queries the response was YES. Maximal size of possible extension queue 310. Compared 24742 event pairs, 41 based on Foata normal form. 11/2722 useless extension candidates. Maximal degree in co-relation 30616. Up to 1273 conditions per place. [2021-03-26 06:50:20,729 INFO L132 encePairwiseOnDemand]: 57/66 looper letters, 624 selfloop transitions, 424 changer transitions 0/1055 dead transitions. [2021-03-26 06:50:20,729 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 499 places, 1055 transitions, 30916 flow [2021-03-26 06:50:20,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 06:50:20,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 06:50:20,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 357 transitions. [2021-03-26 06:50:20,730 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3181818181818182 [2021-03-26 06:50:20,730 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 357 transitions. [2021-03-26 06:50:20,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 357 transitions. [2021-03-26 06:50:20,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:50:20,730 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 357 transitions. [2021-03-26 06:50:20,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 21.0) internal successors, (357), 17 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:20,732 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 66.0) internal successors, (1188), 18 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:20,732 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 66.0) internal successors, (1188), 18 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:20,732 INFO L185 Difference]: Start difference. First operand has 483 places, 1018 transitions, 27831 flow. Second operand 17 states and 357 transitions. [2021-03-26 06:50:20,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 499 places, 1055 transitions, 30916 flow [2021-03-26 06:50:21,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 491 places, 1055 transitions, 30505 flow, removed 60 selfloop flow, removed 8 redundant places. [2021-03-26 06:50:21,501 INFO L241 Difference]: Finished difference. Result has 493 places, 1023 transitions, 28515 flow [2021-03-26 06:50:21,501 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=27420, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1018, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=419, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=596, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=28515, PETRI_PLACES=493, PETRI_TRANSITIONS=1023} [2021-03-26 06:50:21,501 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 472 predicate places. [2021-03-26 06:50:21,501 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:50:21,501 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 493 places, 1023 transitions, 28515 flow [2021-03-26 06:50:21,501 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 493 places, 1023 transitions, 28515 flow [2021-03-26 06:50:21,510 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 493 places, 1023 transitions, 28515 flow [2021-03-26 06:50:21,950 INFO L129 PetriNetUnfolder]: 954/2614 cut-off events. [2021-03-26 06:50:21,951 INFO L130 PetriNetUnfolder]: For 88375/88428 co-relation queries the response was YES. [2021-03-26 06:50:21,978 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28173 conditions, 2614 events. 954/2614 cut-off events. For 88375/88428 co-relation queries the response was YES. Maximal size of possible extension queue 302. Compared 24547 event pairs, 9 based on Foata normal form. 7/2615 useless extension candidates. Maximal degree in co-relation 27701. Up to 669 conditions per place. [2021-03-26 06:50:22,000 INFO L142 LiptonReduction]: Number of co-enabled transitions 1180 [2021-03-26 06:50:22,117 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:50:22,118 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:50:22,118 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 617 [2021-03-26 06:50:22,118 INFO L480 AbstractCegarLoop]: Abstraction has has 493 places, 1023 transitions, 28515 flow [2021-03-26 06:50:22,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:22,118 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:50:22,118 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:50:22,318 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable77 [2021-03-26 06:50:22,319 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:50:22,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:50:22,319 INFO L82 PathProgramCache]: Analyzing trace with hash 221303720, now seen corresponding path program 19 times [2021-03-26 06:50:22,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:50:22,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307372538] [2021-03-26 06:50:22,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:50:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:50:22,336 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:50:22,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:22,340 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:50:22,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:22,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:22,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:22,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:22,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:22,358 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:22,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307372538] [2021-03-26 06:50:22,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [592300669] [2021-03-26 06:50:22,358 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:50:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:50:22,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:50:22,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:50:22,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:22,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:22,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:22,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:22,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:22,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:22,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:22,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:22,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:22,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:22,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:22,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:22,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:22,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:22,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:22,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:22,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:22,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:22,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:22,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:22,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:22,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:22,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:22,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:22,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:22,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:22,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:22,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:22,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:22,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:22,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:22,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:22,412 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-26 06:50:22,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:22,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:22,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:22,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:22,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:22,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:22,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:22,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:22,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:22,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:22,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:22,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:22,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:22,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:50:22,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:22,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:22,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:22,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:22,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:22,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:22,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:22,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:22,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:22,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:22,441 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:50:22,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:22,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:22,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:22,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:22,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:22,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:22,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:22,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:22,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:22,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:22,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:22,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:22,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:50:22,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-26 06:50:22,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488830900] [2021-03-26 06:50:22,447 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:50:22,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:50:22,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:50:22,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:50:22,448 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 66 [2021-03-26 06:50:22,448 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 493 places, 1023 transitions, 28515 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:22,448 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:50:22,448 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 66 [2021-03-26 06:50:22,448 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:50:23,566 INFO L129 PetriNetUnfolder]: 1037/2699 cut-off events. [2021-03-26 06:50:23,566 INFO L130 PetriNetUnfolder]: For 91968/92019 co-relation queries the response was YES. [2021-03-26 06:50:23,593 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31312 conditions, 2699 events. 1037/2699 cut-off events. For 91968/92019 co-relation queries the response was YES. Maximal size of possible extension queue 311. Compared 24530 event pairs, 36 based on Foata normal form. 32/2731 useless extension candidates. Maximal degree in co-relation 30897. Up to 1274 conditions per place. [2021-03-26 06:50:23,604 INFO L132 encePairwiseOnDemand]: 57/66 looper letters, 632 selfloop transitions, 416 changer transitions 0/1055 dead transitions. [2021-03-26 06:50:23,604 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 508 places, 1055 transitions, 31329 flow [2021-03-26 06:50:23,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 06:50:23,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 06:50:23,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 329 transitions. [2021-03-26 06:50:23,605 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3115530303030303 [2021-03-26 06:50:23,605 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 329 transitions. [2021-03-26 06:50:23,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 329 transitions. [2021-03-26 06:50:23,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:50:23,606 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 329 transitions. [2021-03-26 06:50:23,607 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 20.5625) internal successors, (329), 16 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:23,608 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 66.0) internal successors, (1122), 17 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:23,608 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 66.0) internal successors, (1122), 17 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:23,608 INFO L185 Difference]: Start difference. First operand has 493 places, 1023 transitions, 28515 flow. Second operand 16 states and 329 transitions. [2021-03-26 06:50:23,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 508 places, 1055 transitions, 31329 flow [2021-03-26 06:50:24,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 493 places, 1055 transitions, 30615 flow, removed 7 selfloop flow, removed 15 redundant places. [2021-03-26 06:50:24,485 INFO L241 Difference]: Finished difference. Result has 495 places, 1028 transitions, 28814 flow [2021-03-26 06:50:24,486 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=27788, PETRI_DIFFERENCE_MINUEND_PLACES=478, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1022, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=410, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=611, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=28814, PETRI_PLACES=495, PETRI_TRANSITIONS=1028} [2021-03-26 06:50:24,486 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 474 predicate places. [2021-03-26 06:50:24,486 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:50:24,487 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 495 places, 1028 transitions, 28814 flow [2021-03-26 06:50:24,487 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 495 places, 1028 transitions, 28814 flow [2021-03-26 06:50:24,498 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 495 places, 1028 transitions, 28814 flow [2021-03-26 06:50:24,970 INFO L129 PetriNetUnfolder]: 955/2623 cut-off events. [2021-03-26 06:50:24,970 INFO L130 PetriNetUnfolder]: For 90328/90378 co-relation queries the response was YES. [2021-03-26 06:50:25,000 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28237 conditions, 2623 events. 955/2623 cut-off events. For 90328/90378 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 24710 event pairs, 8 based on Foata normal form. 8/2624 useless extension candidates. Maximal degree in co-relation 27793. Up to 675 conditions per place. [2021-03-26 06:50:25,025 INFO L142 LiptonReduction]: Number of co-enabled transitions 1186 [2021-03-26 06:50:25,151 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:50:25,151 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:50:25,151 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 665 [2021-03-26 06:50:25,151 INFO L480 AbstractCegarLoop]: Abstraction has has 495 places, 1028 transitions, 28814 flow [2021-03-26 06:50:25,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:25,152 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:50:25,152 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:50:25,352 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2021-03-26 06:50:25,352 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:50:25,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:50:25,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1039647228, now seen corresponding path program 20 times [2021-03-26 06:50:25,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:50:25,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704849901] [2021-03-26 06:50:25,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:50:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:50:25,358 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:50:25,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:25,363 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:50:25,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:25,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:25,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:25,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:25,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:25,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:25,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704849901] [2021-03-26 06:50:25,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1797690598] [2021-03-26 06:50:25,384 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:50:25,417 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:50:25,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:50:25,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:50:25,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:50:25,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:25,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:25,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:25,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:25,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:25,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:25,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:25,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:25,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:25,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:25,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:25,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:25,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:25,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:25,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:25,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:25,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:25,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:25,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:25,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:25,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:25,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:25,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:25,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:25,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:25,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:25,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:25,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:25,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:25,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:25,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:25,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:25,456 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-26 06:50:25,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:25,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:25,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:25,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:50:25,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:25,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:25,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:25,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:25,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:50:25,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:25,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:25,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:50:25,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:25,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:25,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:25,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:25,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:25,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:25,473 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:50:25,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:25,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:25,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:25,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:25,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:25,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:25,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:25,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:25,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:25,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:25,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:25,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:25,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:25,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:25,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:25,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:50:25,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-26 06:50:25,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109611677] [2021-03-26 06:50:25,480 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 06:50:25,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:50:25,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 06:50:25,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-03-26 06:50:25,480 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 66 [2021-03-26 06:50:25,481 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 495 places, 1028 transitions, 28814 flow. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:25,481 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:50:25,481 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 66 [2021-03-26 06:50:25,481 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:50:26,745 INFO L129 PetriNetUnfolder]: 1036/2700 cut-off events. [2021-03-26 06:50:26,745 INFO L130 PetriNetUnfolder]: For 93428/93445 co-relation queries the response was YES. [2021-03-26 06:50:26,773 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31275 conditions, 2700 events. 1036/2700 cut-off events. For 93428/93445 co-relation queries the response was YES. Maximal size of possible extension queue 307. Compared 24588 event pairs, 40 based on Foata normal form. 16/2716 useless extension candidates. Maximal degree in co-relation 30858. Up to 1274 conditions per place. [2021-03-26 06:50:26,785 INFO L132 encePairwiseOnDemand]: 57/66 looper letters, 621 selfloop transitions, 428 changer transitions 0/1056 dead transitions. [2021-03-26 06:50:26,785 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 509 places, 1056 transitions, 31592 flow [2021-03-26 06:50:26,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 06:50:26,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 06:50:26,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 310 transitions. [2021-03-26 06:50:26,786 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31313131313131315 [2021-03-26 06:50:26,786 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 310 transitions. [2021-03-26 06:50:26,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 310 transitions. [2021-03-26 06:50:26,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:50:26,787 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 310 transitions. [2021-03-26 06:50:26,787 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 20.666666666666668) internal successors, (310), 15 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:26,788 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 66.0) internal successors, (1056), 16 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:26,788 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 66.0) internal successors, (1056), 16 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:26,788 INFO L185 Difference]: Start difference. First operand has 495 places, 1028 transitions, 28814 flow. Second operand 15 states and 310 transitions. [2021-03-26 06:50:26,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 509 places, 1056 transitions, 31592 flow [2021-03-26 06:50:27,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 498 places, 1056 transitions, 30979 flow, removed 15 selfloop flow, removed 11 redundant places. [2021-03-26 06:50:27,553 INFO L241 Difference]: Finished difference. Result has 501 places, 1035 transitions, 29446 flow [2021-03-26 06:50:27,553 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=28182, PETRI_DIFFERENCE_MINUEND_PLACES=484, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1027, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=420, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=604, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=29446, PETRI_PLACES=501, PETRI_TRANSITIONS=1035} [2021-03-26 06:50:27,553 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 480 predicate places. [2021-03-26 06:50:27,554 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:50:27,554 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 501 places, 1035 transitions, 29446 flow [2021-03-26 06:50:27,554 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 501 places, 1035 transitions, 29446 flow [2021-03-26 06:50:27,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 501 places, 1035 transitions, 29446 flow [2021-03-26 06:50:28,045 INFO L129 PetriNetUnfolder]: 956/2619 cut-off events. [2021-03-26 06:50:28,046 INFO L130 PetriNetUnfolder]: For 91981/92038 co-relation queries the response was YES. [2021-03-26 06:50:28,075 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28557 conditions, 2619 events. 956/2619 cut-off events. For 91981/92038 co-relation queries the response was YES. Maximal size of possible extension queue 306. Compared 24476 event pairs, 8 based on Foata normal form. 8/2618 useless extension candidates. Maximal degree in co-relation 28110. Up to 673 conditions per place. [2021-03-26 06:50:28,099 INFO L142 LiptonReduction]: Number of co-enabled transitions 1198 [2021-03-26 06:50:28,224 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:50:28,224 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:50:28,224 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 670 [2021-03-26 06:50:28,224 INFO L480 AbstractCegarLoop]: Abstraction has has 501 places, 1035 transitions, 29446 flow [2021-03-26 06:50:28,224 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:28,225 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:50:28,225 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:50:28,425 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2021-03-26 06:50:28,425 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:50:28,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:50:28,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1162030358, now seen corresponding path program 21 times [2021-03-26 06:50:28,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:50:28,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324733336] [2021-03-26 06:50:28,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:50:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:50:28,432 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-03-26 06:50:28,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:50:28,443 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:50:28,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:28,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:28,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:28,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:28,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:28,461 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:28,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324733336] [2021-03-26 06:50:28,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239835720] [2021-03-26 06:50:28,461 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:50:28,479 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-26 06:50:28,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:50:28,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:50:28,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:50:28,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:28,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:28,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:28,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:28,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:28,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:28,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:28,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:28,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:28,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:28,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:28,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:28,493 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 06:50:28,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:50:28,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:28,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:50:28,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:28,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:28,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:28,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:28,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:28,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:50:28,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:28,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:28,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:50:28,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:28,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:28,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:28,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:28,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:50:28,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:28,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:28,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:50:28,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:28,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:28,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:28,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:28,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:28,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:28,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:28,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:28,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:28,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:28,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:28,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:28,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:28,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:28,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:28,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:28,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:28,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:28,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:28,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:28,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:50:28,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:28,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:28,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:50:28,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:28,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:28,537 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:50:28,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:28,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:28,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:28,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:28,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:28,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:28,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:28,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:28,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:28,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:50:28,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-03-26 06:50:28,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74419104] [2021-03-26 06:50:28,541 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 06:50:28,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:50:28,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 06:50:28,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-26 06:50:28,541 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 66 [2021-03-26 06:50:28,541 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 501 places, 1035 transitions, 29446 flow. Second operand has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 9 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:28,541 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:50:28,542 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 66 [2021-03-26 06:50:28,542 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:50:29,809 INFO L129 PetriNetUnfolder]: 1056/2775 cut-off events. [2021-03-26 06:50:29,810 INFO L130 PetriNetUnfolder]: For 98169/98273 co-relation queries the response was YES. [2021-03-26 06:50:29,846 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32537 conditions, 2775 events. 1056/2775 cut-off events. For 98169/98273 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 25507 event pairs, 37 based on Foata normal form. 79/2854 useless extension candidates. Maximal degree in co-relation 32073. Up to 2055 conditions per place. [2021-03-26 06:50:29,859 INFO L132 encePairwiseOnDemand]: 56/66 looper letters, 976 selfloop transitions, 99 changer transitions 0/1081 dead transitions. [2021-03-26 06:50:29,859 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 512 places, 1081 transitions, 32825 flow [2021-03-26 06:50:29,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 06:50:29,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 06:50:29,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 222 transitions. [2021-03-26 06:50:29,860 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2803030303030303 [2021-03-26 06:50:29,860 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 222 transitions. [2021-03-26 06:50:29,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 222 transitions. [2021-03-26 06:50:29,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:50:29,860 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 222 transitions. [2021-03-26 06:50:29,860 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 18.5) internal successors, (222), 12 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:29,861 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 66.0) internal successors, (858), 13 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:29,861 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 66.0) internal successors, (858), 13 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:29,861 INFO L185 Difference]: Start difference. First operand has 501 places, 1035 transitions, 29446 flow. Second operand 12 states and 222 transitions. [2021-03-26 06:50:29,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 512 places, 1081 transitions, 32825 flow [2021-03-26 06:50:30,702 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 501 places, 1081 transitions, 32063 flow, removed 46 selfloop flow, removed 11 redundant places. [2021-03-26 06:50:30,722 INFO L241 Difference]: Finished difference. Result has 506 places, 1065 transitions, 29892 flow [2021-03-26 06:50:30,722 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=28640, PETRI_DIFFERENCE_MINUEND_PLACES=490, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1033, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=948, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=29892, PETRI_PLACES=506, PETRI_TRANSITIONS=1065} [2021-03-26 06:50:30,722 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 485 predicate places. [2021-03-26 06:50:30,722 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:50:30,723 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 506 places, 1065 transitions, 29892 flow [2021-03-26 06:50:30,723 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 506 places, 1065 transitions, 29892 flow [2021-03-26 06:50:30,732 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 506 places, 1065 transitions, 29892 flow [2021-03-26 06:50:31,201 INFO L129 PetriNetUnfolder]: 974/2680 cut-off events. [2021-03-26 06:50:31,201 INFO L130 PetriNetUnfolder]: For 95213/95280 co-relation queries the response was YES. [2021-03-26 06:50:31,231 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28994 conditions, 2680 events. 974/2680 cut-off events. For 95213/95280 co-relation queries the response was YES. Maximal size of possible extension queue 318. Compared 25383 event pairs, 9 based on Foata normal form. 8/2684 useless extension candidates. Maximal degree in co-relation 28541. Up to 661 conditions per place. [2021-03-26 06:50:31,252 INFO L142 LiptonReduction]: Number of co-enabled transitions 1260 [2021-03-26 06:50:31,385 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:50:31,385 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:50:31,385 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 663 [2021-03-26 06:50:31,385 INFO L480 AbstractCegarLoop]: Abstraction has has 506 places, 1065 transitions, 29892 flow [2021-03-26 06:50:31,385 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 9 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:31,385 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:50:31,385 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:50:31,586 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,55 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:50:31,586 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:50:31,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:50:31,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1438447557, now seen corresponding path program 12 times [2021-03-26 06:50:31,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:50:31,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697994390] [2021-03-26 06:50:31,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:50:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:50:31,594 INFO L142 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size [2021-03-26 06:50:31,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:50:31,601 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-26 06:50:31,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:50:31,607 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:50:31,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:31,613 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:50:31,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:31,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:31,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:31,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:31,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697994390] [2021-03-26 06:50:31,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862094063] [2021-03-26 06:50:31,626 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:50:31,657 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-26 06:50:31,658 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:50:31,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:50:31,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:50:31,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:31,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:31,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:31,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:31,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:31,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:31,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:31,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:31,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:31,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:31,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:31,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:31,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:31,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:31,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:31,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:31,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:31,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:31,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:31,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:31,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:31,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:31,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:31,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:31,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:31,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:31,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:31,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:31,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:31,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:31,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:50:31,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:31,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:31,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:50:31,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:31,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:31,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:31,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:31,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:31,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:31,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:31,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:31,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:31,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:31,710 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 06:50:31,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:50:31,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:31,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:50:31,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:31,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:31,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:31,721 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:50:31,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:31,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:31,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:31,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:31,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:31,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:31,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:31,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:31,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:31,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:31,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:31,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:31,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:31,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:31,728 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:31,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:50:31,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-03-26 06:50:31,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357564837] [2021-03-26 06:50:31,728 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 06:50:31,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:50:31,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 06:50:31,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-26 06:50:31,729 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 66 [2021-03-26 06:50:31,729 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 506 places, 1065 transitions, 29892 flow. Second operand has 10 states, 10 states have (on average 15.4) internal successors, (154), 10 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:31,729 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:50:31,729 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 66 [2021-03-26 06:50:31,729 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:50:33,441 INFO L129 PetriNetUnfolder]: 1261/3506 cut-off events. [2021-03-26 06:50:33,441 INFO L130 PetriNetUnfolder]: For 129800/129869 co-relation queries the response was YES. [2021-03-26 06:50:33,476 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40031 conditions, 3506 events. 1261/3506 cut-off events. For 129800/129869 co-relation queries the response was YES. Maximal size of possible extension queue 411. Compared 34941 event pairs, 55 based on Foata normal form. 55/3561 useless extension candidates. Maximal degree in co-relation 39515. Up to 1627 conditions per place. [2021-03-26 06:50:33,492 INFO L132 encePairwiseOnDemand]: 57/66 looper letters, 871 selfloop transitions, 394 changer transitions 6/1277 dead transitions. [2021-03-26 06:50:33,493 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 1277 transitions, 38078 flow [2021-03-26 06:50:33,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 06:50:33,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 06:50:33,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 224 transitions. [2021-03-26 06:50:33,494 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3085399449035813 [2021-03-26 06:50:33,494 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 224 transitions. [2021-03-26 06:50:33,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 224 transitions. [2021-03-26 06:50:33,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:50:33,494 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 224 transitions. [2021-03-26 06:50:33,494 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 20.363636363636363) internal successors, (224), 11 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:33,494 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 66.0) internal successors, (792), 12 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:33,495 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 66.0) internal successors, (792), 12 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:33,495 INFO L185 Difference]: Start difference. First operand has 506 places, 1065 transitions, 29892 flow. Second operand 11 states and 224 transitions. [2021-03-26 06:50:33,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 1277 transitions, 38078 flow [2021-03-26 06:50:34,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 511 places, 1277 transitions, 37924 flow, removed 49 selfloop flow, removed 5 redundant places. [2021-03-26 06:50:34,559 INFO L241 Difference]: Finished difference. Result has 517 places, 1144 transitions, 33507 flow [2021-03-26 06:50:34,560 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=29738, PETRI_DIFFERENCE_MINUEND_PLACES=501, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1065, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=319, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=693, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=33507, PETRI_PLACES=517, PETRI_TRANSITIONS=1144} [2021-03-26 06:50:34,560 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 496 predicate places. [2021-03-26 06:50:34,560 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:50:34,560 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 517 places, 1144 transitions, 33507 flow [2021-03-26 06:50:34,560 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 517 places, 1144 transitions, 33507 flow [2021-03-26 06:50:34,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 517 places, 1144 transitions, 33507 flow [2021-03-26 06:50:35,276 INFO L129 PetriNetUnfolder]: 1163/3399 cut-off events. [2021-03-26 06:50:35,277 INFO L130 PetriNetUnfolder]: For 134955/135025 co-relation queries the response was YES. [2021-03-26 06:50:35,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37473 conditions, 3399 events. 1163/3399 cut-off events. For 134955/135025 co-relation queries the response was YES. Maximal size of possible extension queue 408. Compared 34764 event pairs, 15 based on Foata normal form. 15/3410 useless extension candidates. Maximal degree in co-relation 36977. Up to 932 conditions per place. [2021-03-26 06:50:35,352 INFO L142 LiptonReduction]: Number of co-enabled transitions 1380 [2021-03-26 06:50:35,509 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:50:35,510 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:50:35,510 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 950 [2021-03-26 06:50:35,510 INFO L480 AbstractCegarLoop]: Abstraction has has 517 places, 1144 transitions, 33507 flow [2021-03-26 06:50:35,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 15.4) internal successors, (154), 10 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:35,510 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:50:35,510 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:50:35,710 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:50:35,711 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:50:35,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:50:35,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1941044657, now seen corresponding path program 13 times [2021-03-26 06:50:35,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:50:35,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461503411] [2021-03-26 06:50:35,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:50:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:50:35,720 INFO L142 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size [2021-03-26 06:50:35,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:50:35,727 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-26 06:50:35,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:50:35,734 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:50:35,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:35,741 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:50:35,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:35,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:35,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:35,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:35,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461503411] [2021-03-26 06:50:35,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038615597] [2021-03-26 06:50:35,753 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:50:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:50:35,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:50:35,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:50:35,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:35,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:35,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:35,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:35,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:35,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:35,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:35,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:35,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:35,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:35,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:35,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:35,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:35,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:35,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:35,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:35,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:35,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:35,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:35,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:35,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:35,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:35,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:35,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:35,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:35,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:35,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:35,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:35,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:35,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:35,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:50:35,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:35,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:35,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:50:35,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:35,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:35,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:35,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:35,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:35,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:35,826 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 06:50:35,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:50:35,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:35,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:50:35,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:35,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:35,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:35,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:35,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:35,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:35,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:35,835 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:50:35,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:35,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:35,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:35,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:35,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:35,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:35,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:35,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:35,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:35,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:35,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:35,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:35,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:35,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:35,840 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:35,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:50:35,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-03-26 06:50:35,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134482279] [2021-03-26 06:50:35,840 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 06:50:35,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:50:35,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 06:50:35,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-26 06:50:35,841 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 66 [2021-03-26 06:50:35,841 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 517 places, 1144 transitions, 33507 flow. Second operand has 10 states, 10 states have (on average 15.4) internal successors, (154), 10 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:35,841 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:50:35,841 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 66 [2021-03-26 06:50:35,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:50:37,682 INFO L129 PetriNetUnfolder]: 1262/3566 cut-off events. [2021-03-26 06:50:37,683 INFO L130 PetriNetUnfolder]: For 144015/144051 co-relation queries the response was YES. [2021-03-26 06:50:37,734 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42133 conditions, 3566 events. 1262/3566 cut-off events. For 144015/144051 co-relation queries the response was YES. Maximal size of possible extension queue 414. Compared 35835 event pairs, 51 based on Foata normal form. 21/3587 useless extension candidates. Maximal degree in co-relation 41605. Up to 1631 conditions per place. [2021-03-26 06:50:37,754 INFO L132 encePairwiseOnDemand]: 57/66 looper letters, 870 selfloop transitions, 400 changer transitions 6/1282 dead transitions. [2021-03-26 06:50:37,754 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 527 places, 1282 transitions, 39748 flow [2021-03-26 06:50:37,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 06:50:37,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 06:50:37,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 224 transitions. [2021-03-26 06:50:37,755 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3085399449035813 [2021-03-26 06:50:37,756 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 224 transitions. [2021-03-26 06:50:37,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 224 transitions. [2021-03-26 06:50:37,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:50:37,756 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 224 transitions. [2021-03-26 06:50:37,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 20.363636363636363) internal successors, (224), 11 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:37,756 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 66.0) internal successors, (792), 12 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:37,757 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 66.0) internal successors, (792), 12 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:37,757 INFO L185 Difference]: Start difference. First operand has 517 places, 1144 transitions, 33507 flow. Second operand 11 states and 224 transitions. [2021-03-26 06:50:37,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 527 places, 1282 transitions, 39748 flow [2021-03-26 06:50:38,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 524 places, 1282 transitions, 39008 flow, removed 346 selfloop flow, removed 3 redundant places. [2021-03-26 06:50:39,017 INFO L241 Difference]: Finished difference. Result has 528 places, 1152 transitions, 34060 flow [2021-03-26 06:50:39,018 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=32863, PETRI_DIFFERENCE_MINUEND_PLACES=514, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=392, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=750, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=34060, PETRI_PLACES=528, PETRI_TRANSITIONS=1152} [2021-03-26 06:50:39,018 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 507 predicate places. [2021-03-26 06:50:39,018 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:50:39,018 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 528 places, 1152 transitions, 34060 flow [2021-03-26 06:50:39,018 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 528 places, 1152 transitions, 34060 flow [2021-03-26 06:50:39,029 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 528 places, 1152 transitions, 34060 flow [2021-03-26 06:50:39,716 INFO L129 PetriNetUnfolder]: 1167/3463 cut-off events. [2021-03-26 06:50:39,717 INFO L130 PetriNetUnfolder]: For 130561/130637 co-relation queries the response was YES. [2021-03-26 06:50:39,766 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37964 conditions, 3463 events. 1167/3463 cut-off events. For 130561/130637 co-relation queries the response was YES. Maximal size of possible extension queue 414. Compared 35837 event pairs, 16 based on Foata normal form. 11/3467 useless extension candidates. Maximal degree in co-relation 37483. Up to 950 conditions per place. [2021-03-26 06:50:39,797 INFO L142 LiptonReduction]: Number of co-enabled transitions 1400 [2021-03-26 06:50:39,957 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:50:39,957 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:50:39,957 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 939 [2021-03-26 06:50:39,958 INFO L480 AbstractCegarLoop]: Abstraction has has 528 places, 1152 transitions, 34060 flow [2021-03-26 06:50:39,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 15.4) internal successors, (154), 10 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:39,958 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:50:39,958 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:50:40,159 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,57 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:50:40,160 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:50:40,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:50:40,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1218224245, now seen corresponding path program 1 times [2021-03-26 06:50:40,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:50:40,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568917072] [2021-03-26 06:50:40,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:50:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:50:40,182 INFO L142 QuantifierPusher]: treesize reduction 35, result has 50.0 percent of original size [2021-03-26 06:50:40,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 06:50:40,200 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-26 06:50:40,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:50:40,210 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-03-26 06:50:40,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 06:50:40,219 INFO L142 QuantifierPusher]: treesize reduction 84, result has 47.5 percent of original size [2021-03-26 06:50:40,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-26 06:50:40,241 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 06:50:40,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:50:40,250 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 06:50:40,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:40,258 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:40,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568917072] [2021-03-26 06:50:40,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401810631] [2021-03-26 06:50:40,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:50:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:50:40,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 22 conjunts are in the unsatisfiable core [2021-03-26 06:50:40,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:50:40,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:40,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:40,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:40,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:40,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:40,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:40,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:40,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:40,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:40,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:40,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:40,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:40,295 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-26 06:50:40,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:50:40,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:40,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:40,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:50:40,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:40,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:40,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:40,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:40,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:40,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:40,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:50:40,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:50:40,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:50:40,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:50:40,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,325 INFO L147 QuantifierPusher]: treesize reduction 7, result has 87.5 percent of original size 49 [2021-03-26 06:50:40,326 INFO L142 QuantifierPusher]: treesize reduction 7, result has 87.7 percent of original size [2021-03-26 06:50:40,326 INFO L147 QuantifierPusher]: treesize reduction 6, result has 84.2 percent of original size 32 [2021-03-26 06:50:40,326 INFO L142 QuantifierPusher]: treesize reduction 6, result has 84.2 percent of original size [2021-03-26 06:50:40,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 06:50:40,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 06:50:40,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:40,341 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size [2021-03-26 06:50:40,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 06:50:40,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 06:50:40,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:40,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:40,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 06:50:40,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 06:50:40,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 06:50:40,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:40,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:40,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:50:40,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:50:40,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:40,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:40,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 06:50:40,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:50:40,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:40,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:40,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 06:50:40,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 06:50:40,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 06:50:40,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 06:50:40,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 06:50:40,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-26 06:50:40,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 06:50:40,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-26 06:50:40,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-26 06:50:40,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2021-03-26 06:50:40,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:40,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:40,360 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:50:40,364 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:40,366 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:50:40,366 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:3 [2021-03-26 06:50:40,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:40,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:40,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:40,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:40,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:40,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:40,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:40,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:40,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:40,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:40,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:40,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:40,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:40,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:40,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:40,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:40,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:40,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:40,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:40,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:40,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:40,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:40,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:40,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:40,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:50:40,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-03-26 06:50:40,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564809739] [2021-03-26 06:50:40,384 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 06:50:40,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:50:40,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 06:50:40,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-03-26 06:50:40,384 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 66 [2021-03-26 06:50:40,384 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 528 places, 1152 transitions, 34060 flow. Second operand has 12 states, 12 states have (on average 15.166666666666666) internal successors, (182), 12 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:40,384 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:50:40,384 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 66 [2021-03-26 06:50:40,384 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:50:42,119 INFO L129 PetriNetUnfolder]: 1291/3618 cut-off events. [2021-03-26 06:50:42,120 INFO L130 PetriNetUnfolder]: For 143168/143185 co-relation queries the response was YES. [2021-03-26 06:50:42,161 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43201 conditions, 3618 events. 1291/3618 cut-off events. For 143168/143185 co-relation queries the response was YES. Maximal size of possible extension queue 420. Compared 36282 event pairs, 55 based on Foata normal form. 17/3635 useless extension candidates. Maximal degree in co-relation 42733. Up to 2680 conditions per place. [2021-03-26 06:50:42,176 INFO L132 encePairwiseOnDemand]: 51/66 looper letters, 1094 selfloop transitions, 89 changer transitions 2/1191 dead transitions. [2021-03-26 06:50:42,176 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 1191 transitions, 37666 flow [2021-03-26 06:50:42,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 06:50:42,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 06:50:42,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 169 transitions. [2021-03-26 06:50:42,177 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2845117845117845 [2021-03-26 06:50:42,177 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 169 transitions. [2021-03-26 06:50:42,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 169 transitions. [2021-03-26 06:50:42,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:50:42,177 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 169 transitions. [2021-03-26 06:50:42,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 18.77777777777778) internal successors, (169), 9 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:42,178 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 66.0) internal successors, (660), 10 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:42,178 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 66.0) internal successors, (660), 10 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:42,178 INFO L185 Difference]: Start difference. First operand has 528 places, 1152 transitions, 34060 flow. Second operand 9 states and 169 transitions. [2021-03-26 06:50:42,178 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 536 places, 1191 transitions, 37666 flow [2021-03-26 06:50:43,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 530 places, 1191 transitions, 37001 flow, removed 22 selfloop flow, removed 6 redundant places. [2021-03-26 06:50:43,388 INFO L241 Difference]: Finished difference. Result has 533 places, 1174 transitions, 34433 flow [2021-03-26 06:50:43,389 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=33395, PETRI_DIFFERENCE_MINUEND_PLACES=522, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1066, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=34433, PETRI_PLACES=533, PETRI_TRANSITIONS=1174} [2021-03-26 06:50:43,389 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 512 predicate places. [2021-03-26 06:50:43,389 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:50:43,389 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 533 places, 1174 transitions, 34433 flow [2021-03-26 06:50:43,389 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 533 places, 1174 transitions, 34433 flow [2021-03-26 06:50:43,403 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 533 places, 1174 transitions, 34433 flow [2021-03-26 06:50:44,171 INFO L129 PetriNetUnfolder]: 1189/3532 cut-off events. [2021-03-26 06:50:44,171 INFO L130 PetriNetUnfolder]: For 136490/136577 co-relation queries the response was YES. [2021-03-26 06:50:44,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38889 conditions, 3532 events. 1189/3532 cut-off events. For 136490/136577 co-relation queries the response was YES. Maximal size of possible extension queue 428. Compared 36666 event pairs, 19 based on Foata normal form. 4/3532 useless extension candidates. Maximal degree in co-relation 38415. Up to 973 conditions per place. [2021-03-26 06:50:44,247 INFO L142 LiptonReduction]: Number of co-enabled transitions 1418 [2021-03-26 06:50:44,411 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:50:44,411 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:50:44,411 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1022 [2021-03-26 06:50:44,412 INFO L480 AbstractCegarLoop]: Abstraction has has 533 places, 1174 transitions, 34433 flow [2021-03-26 06:50:44,412 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 15.166666666666666) internal successors, (182), 12 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:44,412 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:50:44,412 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:50:44,612 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:50:44,612 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:50:44,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:50:44,613 INFO L82 PathProgramCache]: Analyzing trace with hash -616003739, now seen corresponding path program 1 times [2021-03-26 06:50:44,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:50:44,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270813811] [2021-03-26 06:50:44,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:50:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:50:44,620 INFO L142 QuantifierPusher]: treesize reduction 16, result has 54.3 percent of original size [2021-03-26 06:50:44,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:44,630 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-26 06:50:44,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:50:44,636 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:50:44,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:44,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:44,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:50:44,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:44,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:44,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270813811] [2021-03-26 06:50:44,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265331797] [2021-03-26 06:50:44,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:50:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:50:44,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 06:50:44,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:50:44,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:50:44,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:44,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:44,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:50:44,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:44,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:44,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:44,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:44,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:44,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:44,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:44,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:44,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:44,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:44,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:44,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:44,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:44,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:44,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:44,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:44,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:44,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:44,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:44,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:44,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:44,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:44,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:44,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:44,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:44,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:44,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:44,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:44,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:44,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:44,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:44,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:44,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:44,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:44,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:44,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:44,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:44,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:44,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:44,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:44,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:44,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:44,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:44,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:50:44,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:44,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:50:44,721 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 06:50:44,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:50:44,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:44,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:50:44,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:50:44,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:44,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:44,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:44,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:44,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:44,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:44,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:44,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:44,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:44,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:44,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:44,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:50:44,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:44,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:50:44,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-03-26 06:50:44,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038574386] [2021-03-26 06:50:44,728 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:50:44,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:50:44,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:50:44,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:50:44,728 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 66 [2021-03-26 06:50:44,728 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 533 places, 1174 transitions, 34433 flow. Second operand has 11 states, 11 states have (on average 15.363636363636363) internal successors, (169), 11 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:44,728 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:50:44,728 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 66 [2021-03-26 06:50:44,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:50:46,404 INFO L129 PetriNetUnfolder]: 1291/3627 cut-off events. [2021-03-26 06:50:46,404 INFO L130 PetriNetUnfolder]: For 146790/146843 co-relation queries the response was YES. [2021-03-26 06:50:46,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43273 conditions, 3627 events. 1291/3627 cut-off events. For 146790/146843 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 36474 event pairs, 54 based on Foata normal form. 33/3660 useless extension candidates. Maximal degree in co-relation 42793. Up to 2672 conditions per place. [2021-03-26 06:50:46,465 INFO L132 encePairwiseOnDemand]: 54/66 looper letters, 1109 selfloop transitions, 70 changer transitions 0/1185 dead transitions. [2021-03-26 06:50:46,465 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 1185 transitions, 37270 flow [2021-03-26 06:50:46,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 06:50:46,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 06:50:46,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 167 transitions. [2021-03-26 06:50:46,466 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28114478114478114 [2021-03-26 06:50:46,466 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 167 transitions. [2021-03-26 06:50:46,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 167 transitions. [2021-03-26 06:50:46,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:50:46,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 167 transitions. [2021-03-26 06:50:46,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 18.555555555555557) internal successors, (167), 9 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:46,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 66.0) internal successors, (660), 10 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:46,467 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 66.0) internal successors, (660), 10 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:46,467 INFO L185 Difference]: Start difference. First operand has 533 places, 1174 transitions, 34433 flow. Second operand 9 states and 167 transitions. [2021-03-26 06:50:46,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 1185 transitions, 37270 flow [2021-03-26 06:50:47,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 1185 transitions, 37037 flow, removed 100 selfloop flow, removed 3 redundant places. [2021-03-26 06:50:47,746 INFO L241 Difference]: Finished difference. Result has 539 places, 1176 transitions, 34453 flow [2021-03-26 06:50:47,747 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=34200, PETRI_DIFFERENCE_MINUEND_PLACES=530, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=34453, PETRI_PLACES=539, PETRI_TRANSITIONS=1176} [2021-03-26 06:50:47,747 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 518 predicate places. [2021-03-26 06:50:47,747 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:50:47,747 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 539 places, 1176 transitions, 34453 flow [2021-03-26 06:50:47,747 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 539 places, 1176 transitions, 34453 flow [2021-03-26 06:50:47,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 539 places, 1176 transitions, 34453 flow [2021-03-26 06:50:48,517 INFO L129 PetriNetUnfolder]: 1190/3521 cut-off events. [2021-03-26 06:50:48,517 INFO L130 PetriNetUnfolder]: For 139077/139155 co-relation queries the response was YES. [2021-03-26 06:50:48,561 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39014 conditions, 3521 events. 1190/3521 cut-off events. For 139077/139155 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 36443 event pairs, 16 based on Foata normal form. 4/3518 useless extension candidates. Maximal degree in co-relation 38538. Up to 962 conditions per place. [2021-03-26 06:50:48,594 INFO L142 LiptonReduction]: Number of co-enabled transitions 1418 [2021-03-26 06:50:48,759 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:50:48,759 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:50:48,759 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1012 [2021-03-26 06:50:48,760 INFO L480 AbstractCegarLoop]: Abstraction has has 539 places, 1176 transitions, 34453 flow [2021-03-26 06:50:48,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 15.363636363636363) internal successors, (169), 11 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:48,760 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:50:48,760 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:50:48,960 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84 [2021-03-26 06:50:48,960 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:50:48,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:50:48,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1348498212, now seen corresponding path program 2 times [2021-03-26 06:50:48,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:50:48,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368267074] [2021-03-26 06:50:48,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:50:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:50:48,976 INFO L142 QuantifierPusher]: treesize reduction 35, result has 50.0 percent of original size [2021-03-26 06:50:48,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 06:50:48,996 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-26 06:50:48,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:50:49,007 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-26 06:50:49,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 06:50:49,018 INFO L142 QuantifierPusher]: treesize reduction 44, result has 48.8 percent of original size [2021-03-26 06:50:49,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 06:50:49,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:49,048 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 06:50:49,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:49,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:49,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368267074] [2021-03-26 06:50:49,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773340681] [2021-03-26 06:50:49,056 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:50:49,073 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:50:49,073 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:50:49,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 23 conjunts are in the unsatisfiable core [2021-03-26 06:50:49,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:50:49,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:49,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:49,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:49,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:49,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:49,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:49,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:49,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:49,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:49,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:49,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:49,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:49,084 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-26 06:50:49,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:50:49,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:49,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:49,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:49,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:49,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:49,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:49,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:49,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:50:49,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:50:49,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:50:49,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:50:49,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,114 INFO L147 QuantifierPusher]: treesize reduction 6, result has 89.5 percent of original size 51 [2021-03-26 06:50:49,115 INFO L142 QuantifierPusher]: treesize reduction 6, result has 89.7 percent of original size [2021-03-26 06:50:49,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 06:50:49,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 06:50:49,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 06:50:49,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 06:50:49,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 06:50:49,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 06:50:49,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 06:50:49,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 06:50:49,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 06:50:49,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 06:50:49,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 06:50:49,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 06:50:49,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 06:50:49,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 06:50:49,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 06:50:49,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:49,138 INFO L142 QuantifierPusher]: treesize reduction 11, result has 71.1 percent of original size [2021-03-26 06:50:49,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 06:50:49,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:50:49,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:49,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 06:50:49,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:50:49,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:49,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:49,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:50:49,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:50:49,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:49,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:49,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:50:49,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:49,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:49,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 06:50:49,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:50:49,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 06:50:49,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 06:50:49,152 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-26 06:50:49,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-26 06:50:49,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-03-26 06:50:49,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:49,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:49,155 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:50:49,158 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:49,159 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:50:49,159 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:3 [2021-03-26 06:50:49,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:49,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:49,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:49,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:49,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:49,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:49,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:49,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:49,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:49,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:49,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:49,170 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:49,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:50:49,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-03-26 06:50:49,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791163446] [2021-03-26 06:50:49,171 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:50:49,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:50:49,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:50:49,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:50:49,171 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 66 [2021-03-26 06:50:49,172 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 1176 transitions, 34453 flow. Second operand has 11 states, 11 states have (on average 15.181818181818182) internal successors, (167), 11 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:49,172 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:50:49,172 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 66 [2021-03-26 06:50:49,172 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:50:51,174 INFO L129 PetriNetUnfolder]: 1395/3911 cut-off events. [2021-03-26 06:50:51,175 INFO L130 PetriNetUnfolder]: For 163671/163688 co-relation queries the response was YES. [2021-03-26 06:50:51,224 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46860 conditions, 3911 events. 1395/3911 cut-off events. For 163671/163688 co-relation queries the response was YES. Maximal size of possible extension queue 456. Compared 39791 event pairs, 21 based on Foata normal form. 18/3929 useless extension candidates. Maximal degree in co-relation 46315. Up to 2379 conditions per place. [2021-03-26 06:50:51,243 INFO L132 encePairwiseOnDemand]: 51/66 looper letters, 942 selfloop transitions, 411 changer transitions 17/1376 dead transitions. [2021-03-26 06:50:51,243 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 552 places, 1376 transitions, 42620 flow [2021-03-26 06:50:51,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 06:50:51,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 06:50:51,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 265 transitions. [2021-03-26 06:50:51,244 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28679653679653677 [2021-03-26 06:50:51,244 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 265 transitions. [2021-03-26 06:50:51,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 265 transitions. [2021-03-26 06:50:51,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:50:51,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 265 transitions. [2021-03-26 06:50:51,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 18.928571428571427) internal successors, (265), 14 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:51,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 66.0) internal successors, (990), 15 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:51,245 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 66.0) internal successors, (990), 15 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:51,245 INFO L185 Difference]: Start difference. First operand has 539 places, 1176 transitions, 34453 flow. Second operand 14 states and 265 transitions. [2021-03-26 06:50:51,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 552 places, 1376 transitions, 42620 flow [2021-03-26 06:50:52,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 545 places, 1376 transitions, 42365 flow, removed 33 selfloop flow, removed 7 redundant places. [2021-03-26 06:50:52,758 INFO L241 Difference]: Finished difference. Result has 551 places, 1298 transitions, 39598 flow [2021-03-26 06:50:52,759 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=34256, PETRI_DIFFERENCE_MINUEND_PLACES=532, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=294, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=800, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=39598, PETRI_PLACES=551, PETRI_TRANSITIONS=1298} [2021-03-26 06:50:52,759 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 530 predicate places. [2021-03-26 06:50:52,759 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:50:52,759 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 551 places, 1298 transitions, 39598 flow [2021-03-26 06:50:52,759 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 551 places, 1298 transitions, 39598 flow [2021-03-26 06:50:52,772 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 551 places, 1298 transitions, 39598 flow [2021-03-26 06:50:53,729 INFO L129 PetriNetUnfolder]: 1318/3818 cut-off events. [2021-03-26 06:50:53,729 INFO L130 PetriNetUnfolder]: For 165923/165988 co-relation queries the response was YES. [2021-03-26 06:50:53,775 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44152 conditions, 3818 events. 1318/3818 cut-off events. For 165923/165988 co-relation queries the response was YES. Maximal size of possible extension queue 445. Compared 39676 event pairs, 20 based on Foata normal form. 4/3817 useless extension candidates. Maximal degree in co-relation 43661. Up to 1097 conditions per place. [2021-03-26 06:50:53,811 INFO L142 LiptonReduction]: Number of co-enabled transitions 1416 [2021-03-26 06:50:53,983 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:50:53,983 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:50:53,983 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1224 [2021-03-26 06:50:53,984 INFO L480 AbstractCegarLoop]: Abstraction has has 551 places, 1298 transitions, 39598 flow [2021-03-26 06:50:53,984 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 15.181818181818182) internal successors, (167), 11 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:53,984 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:50:53,984 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:50:54,184 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85,60 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:50:54,184 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:50:54,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:50:54,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1089617094, now seen corresponding path program 1 times [2021-03-26 06:50:54,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:50:54,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69617867] [2021-03-26 06:50:54,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:50:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:50:54,209 INFO L142 QuantifierPusher]: treesize reduction 30, result has 58.9 percent of original size [2021-03-26 06:50:54,210 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.0 percent of original size 40 [2021-03-26 06:50:54,238 INFO L142 QuantifierPusher]: treesize reduction 8, result has 66.7 percent of original size [2021-03-26 06:50:54,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:54,252 INFO L142 QuantifierPusher]: treesize reduction 50, result has 60.0 percent of original size [2021-03-26 06:50:54,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 06:50:54,276 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.6 percent of original size [2021-03-26 06:50:54,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 06:50:54,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:54,301 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 06:50:54,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:54,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:54,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69617867] [2021-03-26 06:50:54,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406892937] [2021-03-26 06:50:54,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:50:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:50:54,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-26 06:50:54,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:50:54,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:54,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:54,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:54,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:54,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:54,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:54,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:54,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:54,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:54,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:54,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:54,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:50:54,350 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-26 06:50:54,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:50:54,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:54,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:54,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:54,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:54,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:54,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:54,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:50:54,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 06:50:54,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 06:50:54,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 06:50:54,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 06:50:54,388 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-26 06:50:54,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 06:50:54,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:54,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 06:50:54,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 06:50:54,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:54,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:50:54,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 06:50:54,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:54,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:50:54,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 06:50:54,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:54,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:50:54,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 06:50:54,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:54,416 INFO L142 QuantifierPusher]: treesize reduction -1, result has 103.4 percent of original size [2021-03-26 06:50:54,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:50:54,423 INFO L147 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size 51 [2021-03-26 06:50:54,423 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-26 06:50:54,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:54,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:50:54,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 06:50:54,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:54,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:50:54,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 06:50:54,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:54,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:50:54,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 06:50:54,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:54,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:50:54,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 06:50:54,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:54,449 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-26 06:50:54,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:50:54,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 06:50:54,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:54,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 06:50:54,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 06:50:54,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:54,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:54,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 06:50:54,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 06:50:54,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:54,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:54,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:50:54,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 06:50:54,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:50:54,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 06:50:54,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 06:50:54,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 06:50:54,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 06:50:54,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 06:50:54,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 06:50:54,461 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-26 06:50:54,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 06:50:54,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-26 06:50:54,463 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-26 06:50:54,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 13 [2021-03-26 06:50:54,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:54,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:54,465 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:50:54,468 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:54,469 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:50:54,469 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:3 [2021-03-26 06:50:54,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:54,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:50:54,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:54,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:54,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:54,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:54,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:54,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:54,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:54,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:54,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:54,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:54,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:54,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:54,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:54,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:54,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:54,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:50:54,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:50:54,489 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:50:54,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:50:54,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-03-26 06:50:54,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698626320] [2021-03-26 06:50:54,489 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 06:50:54,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:50:54,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 06:50:54,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-03-26 06:50:54,490 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 66 [2021-03-26 06:50:54,490 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 1298 transitions, 39598 flow. Second operand has 13 states, 13 states have (on average 15.076923076923077) internal successors, (196), 13 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:54,490 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:50:54,490 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 66 [2021-03-26 06:50:54,490 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:50:56,840 INFO L129 PetriNetUnfolder]: 1388/3927 cut-off events. [2021-03-26 06:50:56,841 INFO L130 PetriNetUnfolder]: For 174502/174589 co-relation queries the response was YES. [2021-03-26 06:50:56,892 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48473 conditions, 3927 events. 1388/3927 cut-off events. For 174502/174589 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 40270 event pairs, 52 based on Foata normal form. 60/3987 useless extension candidates. Maximal degree in co-relation 47913. Up to 2173 conditions per place. [2021-03-26 06:50:56,911 INFO L132 encePairwiseOnDemand]: 54/66 looper letters, 945 selfloop transitions, 377 changer transitions 5/1333 dead transitions. [2021-03-26 06:50:56,911 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 563 places, 1333 transitions, 43140 flow [2021-03-26 06:50:56,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 06:50:56,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 06:50:56,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 233 transitions. [2021-03-26 06:50:56,912 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2715617715617716 [2021-03-26 06:50:56,912 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 233 transitions. [2021-03-26 06:50:56,912 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 233 transitions. [2021-03-26 06:50:56,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:50:56,912 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 233 transitions. [2021-03-26 06:50:56,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 17.923076923076923) internal successors, (233), 13 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:56,913 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 66.0) internal successors, (924), 14 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:56,913 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 66.0) internal successors, (924), 14 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:50:56,913 INFO L185 Difference]: Start difference. First operand has 551 places, 1298 transitions, 39598 flow. Second operand 13 states and 233 transitions. [2021-03-26 06:50:56,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 563 places, 1333 transitions, 43140 flow [2021-03-26 06:50:58,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 552 places, 1333 transitions, 42640 flow, removed 218 selfloop flow, removed 11 redundant places. [2021-03-26 06:50:58,787 INFO L241 Difference]: Finished difference. Result has 557 places, 1304 transitions, 40395 flow [2021-03-26 06:50:58,788 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=39098, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=371, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=923, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=40395, PETRI_PLACES=557, PETRI_TRANSITIONS=1304} [2021-03-26 06:50:58,788 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 536 predicate places. [2021-03-26 06:50:58,788 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:50:58,788 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 557 places, 1304 transitions, 40395 flow [2021-03-26 06:50:58,788 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 557 places, 1304 transitions, 40395 flow [2021-03-26 06:50:58,801 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 557 places, 1304 transitions, 40395 flow [2021-03-26 06:50:59,725 INFO L129 PetriNetUnfolder]: 1322/3866 cut-off events. [2021-03-26 06:50:59,725 INFO L130 PetriNetUnfolder]: For 175501/175562 co-relation queries the response was YES. [2021-03-26 06:50:59,775 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45357 conditions, 3866 events. 1322/3866 cut-off events. For 175501/175562 co-relation queries the response was YES. Maximal size of possible extension queue 452. Compared 40477 event pairs, 23 based on Foata normal form. 1/3862 useless extension candidates. Maximal degree in co-relation 45023. Up to 1110 conditions per place. [2021-03-26 06:50:59,813 INFO L142 LiptonReduction]: Number of co-enabled transitions 1418 [2021-03-26 06:51:00,357 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:51:00,357 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 06:51:00,357 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1569 [2021-03-26 06:51:00,357 INFO L480 AbstractCegarLoop]: Abstraction has has 556 places, 1303 transitions, 40424 flow [2021-03-26 06:51:00,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.076923076923077) internal successors, (196), 13 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:00,357 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:51:00,357 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:51:00,557 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable86 [2021-03-26 06:51:00,558 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:51:00,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:51:00,558 INFO L82 PathProgramCache]: Analyzing trace with hash 2097861192, now seen corresponding path program 6 times [2021-03-26 06:51:00,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:51:00,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740341620] [2021-03-26 06:51:00,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:51:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:51:00,567 INFO L142 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size [2021-03-26 06:51:00,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:51:00,575 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-26 06:51:00,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:51:00,581 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:51:00,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:00,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:00,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:00,593 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:51:00,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740341620] [2021-03-26 06:51:00,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533871469] [2021-03-26 06:51:00,594 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:51:00,615 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-26 06:51:00,615 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:51:00,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 06:51:00,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:51:00,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:00,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:00,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:00,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:00,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:00,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:00,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:00,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:00,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:00,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:00,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:00,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:00,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:00,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:00,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:51:00,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:00,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:00,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:00,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:51:00,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:51:00,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:51:00,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:51:00,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:00,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:00,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:51:00,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:00,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:00,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:51:00,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:00,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:00,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:00,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:00,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:00,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:00,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:00,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:00,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:51:00,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:00,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:00,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:51:00,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:51:00,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:51:00,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:00,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:00,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:00,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:00,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:00,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:00,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:00,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:00,669 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:51:00,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:00,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:00,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:00,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:00,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:00,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:00,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:00,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:00,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:00,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:00,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:00,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:00,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:00,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:00,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:51:00,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:51:00,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-03-26 06:51:00,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479046303] [2021-03-26 06:51:00,675 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 06:51:00,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:51:00,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 06:51:00,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-26 06:51:00,676 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 68 [2021-03-26 06:51:00,676 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 556 places, 1303 transitions, 40424 flow. Second operand has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:00,676 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:51:00,676 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 68 [2021-03-26 06:51:00,676 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:51:03,333 INFO L129 PetriNetUnfolder]: 1721/4552 cut-off events. [2021-03-26 06:51:03,334 INFO L130 PetriNetUnfolder]: For 228270/228402 co-relation queries the response was YES. [2021-03-26 06:51:03,392 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59198 conditions, 4552 events. 1721/4552 cut-off events. For 228270/228402 co-relation queries the response was YES. Maximal size of possible extension queue 529. Compared 45850 event pairs, 89 based on Foata normal form. 93/4645 useless extension candidates. Maximal degree in co-relation 58849. Up to 2647 conditions per place. [2021-03-26 06:51:03,414 INFO L132 encePairwiseOnDemand]: 54/68 looper letters, 1221 selfloop transitions, 382 changer transitions 1/1610 dead transitions. [2021-03-26 06:51:03,415 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 564 places, 1610 transitions, 52641 flow [2021-03-26 06:51:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 06:51:03,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 06:51:03,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 186 transitions. [2021-03-26 06:51:03,416 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30392156862745096 [2021-03-26 06:51:03,416 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 186 transitions. [2021-03-26 06:51:03,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 186 transitions. [2021-03-26 06:51:03,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:51:03,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 186 transitions. [2021-03-26 06:51:03,416 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 20.666666666666668) internal successors, (186), 9 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:03,416 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:03,416 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:03,416 INFO L185 Difference]: Start difference. First operand has 556 places, 1303 transitions, 40424 flow. Second operand 9 states and 186 transitions. [2021-03-26 06:51:03,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 564 places, 1610 transitions, 52641 flow [2021-03-26 06:51:05,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 557 places, 1610 transitions, 52232 flow, removed 121 selfloop flow, removed 7 redundant places. [2021-03-26 06:51:05,484 INFO L241 Difference]: Finished difference. Result has 562 places, 1506 transitions, 47864 flow [2021-03-26 06:51:05,485 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=39952, PETRI_DIFFERENCE_MINUEND_PLACES=549, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=234, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=994, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=47864, PETRI_PLACES=562, PETRI_TRANSITIONS=1506} [2021-03-26 06:51:05,485 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 541 predicate places. [2021-03-26 06:51:05,485 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:51:05,485 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 562 places, 1506 transitions, 47864 flow [2021-03-26 06:51:05,485 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 562 places, 1506 transitions, 47864 flow [2021-03-26 06:51:05,501 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 562 places, 1506 transitions, 47864 flow [2021-03-26 06:51:06,737 INFO L129 PetriNetUnfolder]: 1628/4463 cut-off events. [2021-03-26 06:51:06,737 INFO L130 PetriNetUnfolder]: For 221441/221562 co-relation queries the response was YES. [2021-03-26 06:51:06,794 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54915 conditions, 4463 events. 1628/4463 cut-off events. For 221441/221562 co-relation queries the response was YES. Maximal size of possible extension queue 507. Compared 46034 event pairs, 39 based on Foata normal form. 4/4459 useless extension candidates. Maximal degree in co-relation 54356. Up to 1421 conditions per place. [2021-03-26 06:51:06,841 INFO L142 LiptonReduction]: Number of co-enabled transitions 1444 [2021-03-26 06:51:07,076 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:51:07,076 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:51:07,076 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1591 [2021-03-26 06:51:07,077 INFO L480 AbstractCegarLoop]: Abstraction has has 562 places, 1506 transitions, 47864 flow [2021-03-26 06:51:07,077 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:07,077 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:51:07,077 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:51:07,277 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87,62 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:51:07,277 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:51:07,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:51:07,278 INFO L82 PathProgramCache]: Analyzing trace with hash 997569276, now seen corresponding path program 1 times [2021-03-26 06:51:07,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:51:07,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907059028] [2021-03-26 06:51:07,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:51:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:51:07,290 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-03-26 06:51:07,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:51:07,295 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:51:07,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:07,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:07,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:07,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:07,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:51:07,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:07,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:07,309 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:51:07,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907059028] [2021-03-26 06:51:07,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 06:51:07,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 06:51:07,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208665808] [2021-03-26 06:51:07,309 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 06:51:07,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:51:07,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 06:51:07,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-26 06:51:07,309 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 68 [2021-03-26 06:51:07,310 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 562 places, 1506 transitions, 47864 flow. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:07,310 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:51:07,310 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 68 [2021-03-26 06:51:07,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:51:10,180 INFO L129 PetriNetUnfolder]: 1720/4555 cut-off events. [2021-03-26 06:51:10,180 INFO L130 PetriNetUnfolder]: For 228851/228890 co-relation queries the response was YES. [2021-03-26 06:51:10,234 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60068 conditions, 4555 events. 1720/4555 cut-off events. For 228851/228890 co-relation queries the response was YES. Maximal size of possible extension queue 526. Compared 45914 event pairs, 80 based on Foata normal form. 27/4582 useless extension candidates. Maximal degree in co-relation 59486. Up to 2087 conditions per place. [2021-03-26 06:51:10,255 INFO L132 encePairwiseOnDemand]: 58/68 looper letters, 1374 selfloop transitions, 135 changer transitions 2/1517 dead transitions. [2021-03-26 06:51:10,255 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 566 places, 1517 transitions, 51230 flow [2021-03-26 06:51:10,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 06:51:10,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 06:51:10,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 113 transitions. [2021-03-26 06:51:10,256 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2769607843137255 [2021-03-26 06:51:10,256 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 113 transitions. [2021-03-26 06:51:10,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 113 transitions. [2021-03-26 06:51:10,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:51:10,256 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 113 transitions. [2021-03-26 06:51:10,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:10,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 68.0) internal successors, (476), 7 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:10,257 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 68.0) internal successors, (476), 7 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:10,257 INFO L185 Difference]: Start difference. First operand has 562 places, 1506 transitions, 47864 flow. Second operand 6 states and 113 transitions. [2021-03-26 06:51:10,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 566 places, 1517 transitions, 51230 flow [2021-03-26 06:51:12,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 562 places, 1517 transitions, 50702 flow, removed 218 selfloop flow, removed 4 redundant places. [2021-03-26 06:51:12,183 INFO L241 Difference]: Finished difference. Result has 562 places, 1502 transitions, 47487 flow [2021-03-26 06:51:12,184 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=47301, PETRI_DIFFERENCE_MINUEND_PLACES=557, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1504, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=135, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1369, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=47487, PETRI_PLACES=562, PETRI_TRANSITIONS=1502} [2021-03-26 06:51:12,184 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 541 predicate places. [2021-03-26 06:51:12,184 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:51:12,184 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 562 places, 1502 transitions, 47487 flow [2021-03-26 06:51:12,184 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 562 places, 1502 transitions, 47487 flow [2021-03-26 06:51:12,198 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 559 places, 1502 transitions, 47487 flow [2021-03-26 06:51:13,299 INFO L129 PetriNetUnfolder]: 1619/4452 cut-off events. [2021-03-26 06:51:13,299 INFO L130 PetriNetUnfolder]: For 222174/222301 co-relation queries the response was YES. [2021-03-26 06:51:13,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54811 conditions, 4452 events. 1619/4452 cut-off events. For 222174/222301 co-relation queries the response was YES. Maximal size of possible extension queue 504. Compared 46036 event pairs, 39 based on Foata normal form. 6/4450 useless extension candidates. Maximal degree in co-relation 54264. Up to 1413 conditions per place. [2021-03-26 06:51:13,399 INFO L142 LiptonReduction]: Number of co-enabled transitions 1444 [2021-03-26 06:51:13,669 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:51:13,669 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:51:13,669 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1485 [2021-03-26 06:51:13,669 INFO L480 AbstractCegarLoop]: Abstraction has has 559 places, 1502 transitions, 47487 flow [2021-03-26 06:51:13,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:13,669 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:51:13,670 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:51:13,670 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-03-26 06:51:13,670 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:51:13,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:51:13,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1453911721, now seen corresponding path program 14 times [2021-03-26 06:51:13,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:51:13,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876830780] [2021-03-26 06:51:13,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:51:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:51:13,675 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-03-26 06:51:13,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:51:13,681 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-26 06:51:13,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:51:13,686 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:51:13,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:13,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:13,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:13,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:51:13,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876830780] [2021-03-26 06:51:13,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278522670] [2021-03-26 06:51:13,697 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:51:13,713 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:51:13,713 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:51:13,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 06:51:13,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:51:13,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:13,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:13,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:13,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:13,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:13,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:13,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:13,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:13,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:13,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:13,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:13,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:13,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:13,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:13,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:51:13,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:13,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:13,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:51:13,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:13,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:13,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:13,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:13,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:51:13,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:13,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:13,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:13,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:51:13,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:51:13,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:13,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:13,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:13,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:13,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:13,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:13,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:13,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:51:13,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:51:13,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:13,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:51:13,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:51:13,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:51:13,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:51:13,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:13,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:13,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:13,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:13,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:13,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:13,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:13,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:13,767 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:51:13,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:13,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:13,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:13,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:13,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:13,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:13,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:13,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:13,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:13,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:13,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:13,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:13,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:13,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:13,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:51:13,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:51:13,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-03-26 06:51:13,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083201115] [2021-03-26 06:51:13,772 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 06:51:13,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:51:13,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 06:51:13,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-26 06:51:13,773 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 68 [2021-03-26 06:51:13,773 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 559 places, 1502 transitions, 47487 flow. Second operand has 9 states, 9 states have (on average 16.444444444444443) internal successors, (148), 9 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:13,773 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:51:13,773 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 68 [2021-03-26 06:51:13,773 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:51:16,666 INFO L129 PetriNetUnfolder]: 2106/5171 cut-off events. [2021-03-26 06:51:16,666 INFO L130 PetriNetUnfolder]: For 274050/274167 co-relation queries the response was YES. [2021-03-26 06:51:16,737 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69895 conditions, 5171 events. 2106/5171 cut-off events. For 274050/274167 co-relation queries the response was YES. Maximal size of possible extension queue 583. Compared 50643 event pairs, 139 based on Foata normal form. 153/5324 useless extension candidates. Maximal degree in co-relation 69310. Up to 3024 conditions per place. [2021-03-26 06:51:16,765 INFO L132 encePairwiseOnDemand]: 57/68 looper letters, 1344 selfloop transitions, 498 changer transitions 3/1851 dead transitions. [2021-03-26 06:51:16,765 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 566 places, 1851 transitions, 61122 flow [2021-03-26 06:51:16,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 06:51:16,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 06:51:16,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 190 transitions. [2021-03-26 06:51:16,766 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3104575163398693 [2021-03-26 06:51:16,766 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 190 transitions. [2021-03-26 06:51:16,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 190 transitions. [2021-03-26 06:51:16,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:51:16,766 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 190 transitions. [2021-03-26 06:51:16,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 21.11111111111111) internal successors, (190), 9 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:16,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:16,767 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 68.0) internal successors, (680), 10 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:16,767 INFO L185 Difference]: Start difference. First operand has 559 places, 1502 transitions, 47487 flow. Second operand 9 states and 190 transitions. [2021-03-26 06:51:16,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 566 places, 1851 transitions, 61122 flow [2021-03-26 06:51:19,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 561 places, 1851 transitions, 60903 flow, removed 39 selfloop flow, removed 5 redundant places. [2021-03-26 06:51:19,346 INFO L241 Difference]: Finished difference. Result has 565 places, 1729 transitions, 56192 flow [2021-03-26 06:51:19,347 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=46621, PETRI_DIFFERENCE_MINUEND_PLACES=553, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1480, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=290, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1043, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=56192, PETRI_PLACES=565, PETRI_TRANSITIONS=1729} [2021-03-26 06:51:19,347 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 544 predicate places. [2021-03-26 06:51:19,347 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:51:19,347 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 565 places, 1729 transitions, 56192 flow [2021-03-26 06:51:19,347 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 565 places, 1729 transitions, 56192 flow [2021-03-26 06:51:19,365 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 565 places, 1729 transitions, 56192 flow [2021-03-26 06:51:20,796 INFO L129 PetriNetUnfolder]: 1979/4984 cut-off events. [2021-03-26 06:51:20,796 INFO L130 PetriNetUnfolder]: For 256060/256277 co-relation queries the response was YES. [2021-03-26 06:51:20,869 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64822 conditions, 4984 events. 1979/4984 cut-off events. For 256060/256277 co-relation queries the response was YES. Maximal size of possible extension queue 573. Compared 49576 event pairs, 55 based on Foata normal form. 25/5004 useless extension candidates. Maximal degree in co-relation 64311. Up to 1860 conditions per place. [2021-03-26 06:51:20,923 INFO L142 LiptonReduction]: Number of co-enabled transitions 1428 [2021-03-26 06:51:21,271 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:51:21,271 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:51:21,271 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1924 [2021-03-26 06:51:21,271 INFO L480 AbstractCegarLoop]: Abstraction has has 565 places, 1729 transitions, 56192 flow [2021-03-26 06:51:21,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 16.444444444444443) internal successors, (148), 9 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:21,271 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:51:21,271 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:51:21,472 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable89 [2021-03-26 06:51:21,472 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:51:21,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:51:21,473 INFO L82 PathProgramCache]: Analyzing trace with hash 2026371451, now seen corresponding path program 15 times [2021-03-26 06:51:21,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:51:21,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121224197] [2021-03-26 06:51:21,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:51:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:51:21,492 INFO L142 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size [2021-03-26 06:51:21,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:51:21,500 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-26 06:51:21,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:51:21,508 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:51:21,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:21,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:21,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:21,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:21,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:51:21,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121224197] [2021-03-26 06:51:21,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256435180] [2021-03-26 06:51:21,529 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:51:21,552 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-26 06:51:21,552 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:51:21,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:51:21,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:51:21,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:21,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:21,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:21,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:21,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:21,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:21,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:21,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:21,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:21,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:21,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:21,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:21,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:21,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:21,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:51:21,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:21,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:21,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:51:21,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:21,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:21,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:21,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:51:21,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:51:21,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:21,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:51:21,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:51:21,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:21,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:21,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:21,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:21,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:21,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:21,591 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 06:51:21,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:51:21,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:21,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:21,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:51:21,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:21,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:21,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:21,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:21,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:51:21,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:21,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:21,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:21,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:51:21,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:51:21,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:51:21,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:51:21,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:21,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:21,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:21,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:21,616 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:51:21,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:21,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:21,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:21,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:21,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:21,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:21,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:21,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:21,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:21,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:21,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:21,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:21,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:21,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:21,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:51:21,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:51:21,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-03-26 06:51:21,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108502257] [2021-03-26 06:51:21,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 06:51:21,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:51:21,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 06:51:21,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-26 06:51:21,623 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 68 [2021-03-26 06:51:21,623 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 565 places, 1729 transitions, 56192 flow. Second operand has 10 states, 10 states have (on average 15.3) internal successors, (153), 10 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:21,624 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:51:21,624 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 68 [2021-03-26 06:51:21,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:51:25,085 INFO L129 PetriNetUnfolder]: 2107/5181 cut-off events. [2021-03-26 06:51:25,086 INFO L130 PetriNetUnfolder]: For 265945/265959 co-relation queries the response was YES. [2021-03-26 06:51:25,158 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71410 conditions, 5181 events. 2107/5181 cut-off events. For 265945/265959 co-relation queries the response was YES. Maximal size of possible extension queue 581. Compared 50560 event pairs, 145 based on Foata normal form. 13/5194 useless extension candidates. Maximal degree in co-relation 70831. Up to 3163 conditions per place. [2021-03-26 06:51:25,186 INFO L132 encePairwiseOnDemand]: 59/68 looper letters, 1412 selfloop transitions, 411 changer transitions 0/1829 dead transitions. [2021-03-26 06:51:25,186 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 576 places, 1829 transitions, 62751 flow [2021-03-26 06:51:25,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 06:51:25,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 06:51:25,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 236 transitions. [2021-03-26 06:51:25,187 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28921568627450983 [2021-03-26 06:51:25,187 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 236 transitions. [2021-03-26 06:51:25,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 236 transitions. [2021-03-26 06:51:25,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:51:25,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 236 transitions. [2021-03-26 06:51:25,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 19.666666666666668) internal successors, (236), 12 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:25,188 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 68.0) internal successors, (884), 13 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:25,188 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 68.0) internal successors, (884), 13 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:25,188 INFO L185 Difference]: Start difference. First operand has 565 places, 1729 transitions, 56192 flow. Second operand 12 states and 236 transitions. [2021-03-26 06:51:25,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 576 places, 1829 transitions, 62751 flow [2021-03-26 06:51:27,812 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 574 places, 1829 transitions, 62264 flow, removed 234 selfloop flow, removed 2 redundant places. [2021-03-26 06:51:27,850 INFO L241 Difference]: Finished difference. Result has 577 places, 1743 transitions, 57217 flow [2021-03-26 06:51:27,851 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=55719, PETRI_DIFFERENCE_MINUEND_PLACES=563, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1729, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=399, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1324, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=57217, PETRI_PLACES=577, PETRI_TRANSITIONS=1743} [2021-03-26 06:51:27,851 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 556 predicate places. [2021-03-26 06:51:27,851 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:51:27,851 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 577 places, 1743 transitions, 57217 flow [2021-03-26 06:51:27,851 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 577 places, 1743 transitions, 57217 flow [2021-03-26 06:51:27,870 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 577 places, 1743 transitions, 57217 flow [2021-03-26 06:51:29,309 INFO L129 PetriNetUnfolder]: 1981/4989 cut-off events. [2021-03-26 06:51:29,309 INFO L130 PetriNetUnfolder]: For 261051/261236 co-relation queries the response was YES. [2021-03-26 06:51:29,377 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65311 conditions, 4989 events. 1981/4989 cut-off events. For 261051/261236 co-relation queries the response was YES. Maximal size of possible extension queue 566. Compared 49621 event pairs, 52 based on Foata normal form. 11/4993 useless extension candidates. Maximal degree in co-relation 64797. Up to 1864 conditions per place. [2021-03-26 06:51:29,430 INFO L142 LiptonReduction]: Number of co-enabled transitions 1448 [2021-03-26 06:51:29,771 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:51:29,771 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:51:29,771 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1920 [2021-03-26 06:51:29,771 INFO L480 AbstractCegarLoop]: Abstraction has has 577 places, 1743 transitions, 57217 flow [2021-03-26 06:51:29,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 15.3) internal successors, (153), 10 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:29,771 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:51:29,771 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:51:29,972 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,64 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:51:29,972 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:51:29,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:51:29,972 INFO L82 PathProgramCache]: Analyzing trace with hash -931079127, now seen corresponding path program 16 times [2021-03-26 06:51:29,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:51:29,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557675580] [2021-03-26 06:51:29,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:51:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:51:29,978 INFO L142 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size [2021-03-26 06:51:29,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:51:29,984 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-26 06:51:29,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:51:29,990 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-26 06:51:29,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:51:29,995 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:51:29,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:30,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:51:30,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:30,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:51:30,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557675580] [2021-03-26 06:51:30,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100013066] [2021-03-26 06:51:30,007 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:51:30,023 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 06:51:30,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:51:30,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:51:30,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:51:30,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:30,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:30,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:30,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:30,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:30,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:30,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:30,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:30,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:30,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:30,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:30,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:30,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:30,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:30,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:51:30,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:30,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:30,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:51:30,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:30,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:30,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:30,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:30,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:30,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:30,051 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-26 06:51:30,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:51:30,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:30,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:30,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:51:30,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:30,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:30,062 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-26 06:51:30,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:51:30,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:30,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:51:30,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:51:30,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:30,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:30,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:30,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:51:30,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:51:30,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:30,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:51:30,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:51:30,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:51:30,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:51:30,075 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 06:51:30,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:30,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:30,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:30,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:30,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:30,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:30,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:30,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:30,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:30,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:30,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:30,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:30,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:30,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:30,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:30,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:30,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:30,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:51:30,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:51:30,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-26 06:51:30,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458243714] [2021-03-26 06:51:30,081 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:51:30,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:51:30,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:51:30,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:51:30,082 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 68 [2021-03-26 06:51:30,082 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 577 places, 1743 transitions, 57217 flow. Second operand has 11 states, 11 states have (on average 15.181818181818182) internal successors, (167), 11 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:30,082 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:51:30,082 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 68 [2021-03-26 06:51:30,082 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:51:33,580 INFO L129 PetriNetUnfolder]: 2087/5059 cut-off events. [2021-03-26 06:51:33,580 INFO L130 PetriNetUnfolder]: For 267083/267202 co-relation queries the response was YES. [2021-03-26 06:51:33,660 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70493 conditions, 5059 events. 2087/5059 cut-off events. For 267083/267202 co-relation queries the response was YES. Maximal size of possible extension queue 580. Compared 48945 event pairs, 114 based on Foata normal form. 86/5145 useless extension candidates. Maximal degree in co-relation 69911. Up to 2242 conditions per place. [2021-03-26 06:51:33,687 INFO L132 encePairwiseOnDemand]: 58/68 looper letters, 1257 selfloop transitions, 570 changer transitions 5/1838 dead transitions. [2021-03-26 06:51:33,687 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 593 places, 1838 transitions, 63501 flow [2021-03-26 06:51:33,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 06:51:33,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 06:51:33,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 311 transitions. [2021-03-26 06:51:33,688 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2690311418685121 [2021-03-26 06:51:33,688 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 311 transitions. [2021-03-26 06:51:33,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 311 transitions. [2021-03-26 06:51:33,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:51:33,688 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 311 transitions. [2021-03-26 06:51:33,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 18.294117647058822) internal successors, (311), 17 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:33,689 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 68.0) internal successors, (1224), 18 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:33,689 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 68.0) internal successors, (1224), 18 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:33,689 INFO L185 Difference]: Start difference. First operand has 577 places, 1743 transitions, 57217 flow. Second operand 17 states and 311 transitions. [2021-03-26 06:51:33,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 593 places, 1838 transitions, 63501 flow [2021-03-26 06:51:36,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 590 places, 1838 transitions, 63181 flow, removed 147 selfloop flow, removed 3 redundant places. [2021-03-26 06:51:36,566 INFO L241 Difference]: Finished difference. Result has 597 places, 1784 transitions, 59957 flow [2021-03-26 06:51:36,567 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=56688, PETRI_DIFFERENCE_MINUEND_PLACES=574, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1735, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=521, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=59957, PETRI_PLACES=597, PETRI_TRANSITIONS=1784} [2021-03-26 06:51:36,567 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 576 predicate places. [2021-03-26 06:51:36,567 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:51:36,567 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 597 places, 1784 transitions, 59957 flow [2021-03-26 06:51:36,567 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 597 places, 1784 transitions, 59957 flow [2021-03-26 06:51:36,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 596 places, 1784 transitions, 59957 flow [2021-03-26 06:51:38,056 INFO L129 PetriNetUnfolder]: 1951/4844 cut-off events. [2021-03-26 06:51:38,057 INFO L130 PetriNetUnfolder]: For 268803/269002 co-relation queries the response was YES. [2021-03-26 06:51:38,127 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65667 conditions, 4844 events. 1951/4844 cut-off events. For 268803/269002 co-relation queries the response was YES. Maximal size of possible extension queue 550. Compared 47594 event pairs, 44 based on Foata normal form. 13/4852 useless extension candidates. Maximal degree in co-relation 65125. Up to 1822 conditions per place. [2021-03-26 06:51:38,182 INFO L142 LiptonReduction]: Number of co-enabled transitions 1478 [2021-03-26 06:51:39,114 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 06:51:39,114 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 06:51:39,114 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2547 [2021-03-26 06:51:39,114 INFO L480 AbstractCegarLoop]: Abstraction has has 596 places, 1784 transitions, 59988 flow [2021-03-26 06:51:39,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 15.181818181818182) internal successors, (167), 11 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:39,115 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:51:39,115 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:51:39,319 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,65 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:51:39,320 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:51:39,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:51:39,320 INFO L82 PathProgramCache]: Analyzing trace with hash -2070654489, now seen corresponding path program 17 times [2021-03-26 06:51:39,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:51:39,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274644539] [2021-03-26 06:51:39,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:51:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:51:39,327 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-03-26 06:51:39,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:51:39,334 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-26 06:51:39,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:51:39,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:39,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:51:39,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:39,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:51:39,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274644539] [2021-03-26 06:51:39,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041212908] [2021-03-26 06:51:39,350 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 06:51:39,383 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-26 06:51:39,383 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:51:39,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 06:51:39,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:51:39,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:39,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:39,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:39,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:39,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:39,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:39,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:39,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:39,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:39,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:39,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:39,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:39,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:39,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:39,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:51:39,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:39,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:39,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:51:39,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:39,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:39,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:39,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:51:39,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:51:39,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:39,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:51:39,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:51:39,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:39,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:39,416 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 06:51:39,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:51:39,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:39,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:51:39,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:51:39,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:51:39,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:51:39,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:51:39,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:51:39,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:51:39,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:51:39,421 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 06:51:39,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:39,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:39,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:39,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:39,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:39,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:39,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:39,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:39,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:39,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:39,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:39,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:39,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:39,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:39,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:39,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:39,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:39,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:39,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:39,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:39,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:51:39,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:51:39,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2021-03-26 06:51:39,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168448622] [2021-03-26 06:51:39,431 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 06:51:39,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:51:39,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 06:51:39,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-03-26 06:51:39,432 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 69 [2021-03-26 06:51:39,432 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 596 places, 1784 transitions, 59988 flow. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:39,432 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:51:39,432 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 69 [2021-03-26 06:51:39,432 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:51:43,129 INFO L129 PetriNetUnfolder]: 2103/5042 cut-off events. [2021-03-26 06:51:43,129 INFO L130 PetriNetUnfolder]: For 291097/291340 co-relation queries the response was YES. [2021-03-26 06:51:43,203 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72914 conditions, 5042 events. 2103/5042 cut-off events. For 291097/291340 co-relation queries the response was YES. Maximal size of possible extension queue 567. Compared 48546 event pairs, 8 based on Foata normal form. 101/5143 useless extension candidates. Maximal degree in co-relation 72320. Up to 1932 conditions per place. [2021-03-26 06:51:43,232 INFO L132 encePairwiseOnDemand]: 56/69 looper letters, 1234 selfloop transitions, 744 changer transitions 5/1989 dead transitions. [2021-03-26 06:51:43,232 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 607 places, 1989 transitions, 70365 flow [2021-03-26 06:51:43,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 06:51:43,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 06:51:43,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 241 transitions. [2021-03-26 06:51:43,233 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29106280193236717 [2021-03-26 06:51:43,234 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 241 transitions. [2021-03-26 06:51:43,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 241 transitions. [2021-03-26 06:51:43,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:51:43,234 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 241 transitions. [2021-03-26 06:51:43,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 20.083333333333332) internal successors, (241), 12 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:43,235 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 69.0) internal successors, (897), 13 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:43,235 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 69.0) internal successors, (897), 13 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:43,235 INFO L185 Difference]: Start difference. First operand has 596 places, 1784 transitions, 59988 flow. Second operand 12 states and 241 transitions. [2021-03-26 06:51:43,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 607 places, 1989 transitions, 70365 flow [2021-03-26 06:51:46,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 602 places, 1989 transitions, 68977 flow, removed 391 selfloop flow, removed 5 redundant places. [2021-03-26 06:51:46,089 INFO L241 Difference]: Finished difference. Result has 605 places, 1803 transitions, 61469 flow [2021-03-26 06:51:46,090 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=58461, PETRI_DIFFERENCE_MINUEND_PLACES=591, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1772, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=709, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1036, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=61469, PETRI_PLACES=605, PETRI_TRANSITIONS=1803} [2021-03-26 06:51:46,090 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 584 predicate places. [2021-03-26 06:51:46,091 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:51:46,091 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 605 places, 1803 transitions, 61469 flow [2021-03-26 06:51:46,091 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 605 places, 1803 transitions, 61469 flow [2021-03-26 06:51:46,111 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 601 places, 1803 transitions, 61469 flow [2021-03-26 06:51:47,515 INFO L129 PetriNetUnfolder]: 1969/4851 cut-off events. [2021-03-26 06:51:47,515 INFO L130 PetriNetUnfolder]: For 278763/278942 co-relation queries the response was YES. [2021-03-26 06:51:47,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66973 conditions, 4851 events. 1969/4851 cut-off events. For 278763/278942 co-relation queries the response was YES. Maximal size of possible extension queue 552. Compared 47347 event pairs, 47 based on Foata normal form. 40/4885 useless extension candidates. Maximal degree in co-relation 66383. Up to 1818 conditions per place. [2021-03-26 06:51:47,640 INFO L142 LiptonReduction]: Number of co-enabled transitions 1472 [2021-03-26 06:51:47,985 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:51:47,985 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:51:47,985 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1895 [2021-03-26 06:51:47,986 INFO L480 AbstractCegarLoop]: Abstraction has has 601 places, 1803 transitions, 61469 flow [2021-03-26 06:51:47,986 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:47,986 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:51:47,986 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:51:48,186 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable92 [2021-03-26 06:51:48,186 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:51:48,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:51:48,187 INFO L82 PathProgramCache]: Analyzing trace with hash 5867650, now seen corresponding path program 1 times [2021-03-26 06:51:48,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:51:48,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590057668] [2021-03-26 06:51:48,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:51:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:51:48,199 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-03-26 06:51:48,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:51:48,209 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-03-26 06:51:48,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 06:51:48,220 INFO L142 QuantifierPusher]: treesize reduction 42, result has 56.7 percent of original size [2021-03-26 06:51:48,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 06:51:48,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:51:48,252 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 06:51:48,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:48,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:51:48,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590057668] [2021-03-26 06:51:48,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710316622] [2021-03-26 06:51:48,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:51:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:51:48,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 06:51:48,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:51:48,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:51:48,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:51:48,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:51:48,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:51:48,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:51:48,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:51:48,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:51:48,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:51:48,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:51:48,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:51:48,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:51:48,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:51:48,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:51:48,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:51:48,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:51:48,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:51:48,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:51:48,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:51:48,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:51:48,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:51:48,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:51:48,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:51:48,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:51:48,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:51:48,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:51:48,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:51:48,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:51:48,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:51:48,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:51:48,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:51:48,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:51:48,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:51:48,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,345 INFO L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-03-26 06:51:48,346 INFO L142 QuantifierPusher]: treesize reduction 8, result has 71.4 percent of original size [2021-03-26 06:51:48,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:48,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:51:48,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:51:48,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:48,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:51:48,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:51:48,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-03-26 06:51:48,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:51:48,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:51:48,352 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:51:48,354 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:51:48,354 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:51:48,354 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-03-26 06:51:48,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:51:48,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:51:48,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:48,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:48,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:48,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:48,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:48,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:48,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:48,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:48,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:48,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:48,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:48,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:48,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:48,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:48,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:48,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:48,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:48,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:51:48,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:51:48,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-03-26 06:51:48,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974629094] [2021-03-26 06:51:48,369 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 06:51:48,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:51:48,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 06:51:48,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-03-26 06:51:48,370 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 69 [2021-03-26 06:51:48,370 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 601 places, 1803 transitions, 61469 flow. Second operand has 10 states, 10 states have (on average 23.2) internal successors, (232), 10 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:48,370 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:51:48,370 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 69 [2021-03-26 06:51:48,370 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:51:51,613 INFO L129 PetriNetUnfolder]: 2008/4942 cut-off events. [2021-03-26 06:51:51,614 INFO L130 PetriNetUnfolder]: For 296046/296562 co-relation queries the response was YES. [2021-03-26 06:51:51,679 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72336 conditions, 4942 events. 2008/4942 cut-off events. For 296046/296562 co-relation queries the response was YES. Maximal size of possible extension queue 560. Compared 48236 event pairs, 43 based on Foata normal form. 85/5026 useless extension candidates. Maximal degree in co-relation 71731. Up to 3595 conditions per place. [2021-03-26 06:51:51,705 INFO L132 encePairwiseOnDemand]: 61/69 looper letters, 1666 selfloop transitions, 75 changer transitions 2/1853 dead transitions. [2021-03-26 06:51:51,705 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 607 places, 1853 transitions, 66572 flow [2021-03-26 06:51:51,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 06:51:51,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 06:51:51,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 191 transitions. [2021-03-26 06:51:51,706 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39544513457556935 [2021-03-26 06:51:51,706 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 191 transitions. [2021-03-26 06:51:51,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 191 transitions. [2021-03-26 06:51:51,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:51:51,706 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 191 transitions. [2021-03-26 06:51:51,707 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:51,707 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 69.0) internal successors, (552), 8 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:51,707 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 69.0) internal successors, (552), 8 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:51,707 INFO L185 Difference]: Start difference. First operand has 601 places, 1803 transitions, 61469 flow. Second operand 7 states and 191 transitions. [2021-03-26 06:51:51,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 607 places, 1853 transitions, 66572 flow [2021-03-26 06:51:54,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 599 places, 1853 transitions, 65453 flow, removed 114 selfloop flow, removed 8 redundant places. [2021-03-26 06:51:54,257 INFO L241 Difference]: Finished difference. Result has 602 places, 1839 transitions, 61834 flow [2021-03-26 06:51:54,258 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=60384, PETRI_DIFFERENCE_MINUEND_PLACES=593, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1803, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1728, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=61834, PETRI_PLACES=602, PETRI_TRANSITIONS=1839} [2021-03-26 06:51:54,258 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 581 predicate places. [2021-03-26 06:51:54,258 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:51:54,258 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 602 places, 1839 transitions, 61834 flow [2021-03-26 06:51:54,258 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 602 places, 1839 transitions, 61834 flow [2021-03-26 06:51:54,277 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 602 places, 1839 transitions, 61834 flow [2021-03-26 06:51:55,718 INFO L129 PetriNetUnfolder]: 2008/4961 cut-off events. [2021-03-26 06:51:55,719 INFO L130 PetriNetUnfolder]: For 289406/289580 co-relation queries the response was YES. [2021-03-26 06:51:55,793 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68664 conditions, 4961 events. 2008/4961 cut-off events. For 289406/289580 co-relation queries the response was YES. Maximal size of possible extension queue 556. Compared 48764 event pairs, 42 based on Foata normal form. 40/4995 useless extension candidates. Maximal degree in co-relation 68072. Up to 1858 conditions per place. [2021-03-26 06:51:56,030 INFO L142 LiptonReduction]: Number of co-enabled transitions 1498 [2021-03-26 06:51:56,398 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:51:56,398 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:51:56,399 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2141 [2021-03-26 06:51:56,399 INFO L480 AbstractCegarLoop]: Abstraction has has 602 places, 1839 transitions, 61834 flow [2021-03-26 06:51:56,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 23.2) internal successors, (232), 10 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:56,399 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:51:56,399 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:51:56,599 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,67 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:51:56,599 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:51:56,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:51:56,600 INFO L82 PathProgramCache]: Analyzing trace with hash -806917389, now seen corresponding path program 18 times [2021-03-26 06:51:56,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:51:56,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425992404] [2021-03-26 06:51:56,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:51:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:51:56,606 INFO L142 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size [2021-03-26 06:51:56,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:51:56,612 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-26 06:51:56,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:51:56,618 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:51:56,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:56,623 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:51:56,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:56,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:51:56,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:56,634 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:51:56,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425992404] [2021-03-26 06:51:56,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385543181] [2021-03-26 06:51:56,634 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:51:56,651 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-26 06:51:56,651 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:51:56,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:51:56,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:51:56,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:56,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:56,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:56,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:56,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:56,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:56,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:56,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:56,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:56,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:56,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:56,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:51:56,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:56,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:56,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:51:56,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:56,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:56,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:51:56,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:56,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:56,677 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-26 06:51:56,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:51:56,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:56,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:51:56,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:51:56,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:56,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:56,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:56,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:56,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:56,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:56,687 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-03-26 06:51:56,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:56,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:56,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:51:56,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:51:56,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:56,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:51:56,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:56,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:51:56,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:51:56,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:51:56,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:51:56,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:51:56,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:51:56,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:51:56,700 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 06:51:56,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:56,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:56,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:56,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:56,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:56,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:56,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:56,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:56,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:56,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:56,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:56,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:56,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:56,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:56,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:56,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:51:56,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:51:56,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:51:56,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:51:56,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-26 06:51:56,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806545537] [2021-03-26 06:51:56,707 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:51:56,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:51:56,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:51:56,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:51:56,707 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 69 [2021-03-26 06:51:56,707 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 602 places, 1839 transitions, 61834 flow. Second operand has 11 states, 11 states have (on average 15.181818181818182) internal successors, (167), 11 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:51:56,707 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:51:56,707 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 69 [2021-03-26 06:51:56,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:52:00,511 INFO L129 PetriNetUnfolder]: 2132/5127 cut-off events. [2021-03-26 06:52:00,511 INFO L130 PetriNetUnfolder]: For 299505/299752 co-relation queries the response was YES. [2021-03-26 06:52:00,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74971 conditions, 5127 events. 2132/5127 cut-off events. For 299505/299752 co-relation queries the response was YES. Maximal size of possible extension queue 580. Compared 49563 event pairs, 115 based on Foata normal form. 128/5255 useless extension candidates. Maximal degree in co-relation 74360. Up to 2329 conditions per place. [2021-03-26 06:52:00,809 INFO L132 encePairwiseOnDemand]: 58/69 looper letters, 1227 selfloop transitions, 670 changer transitions 2/1905 dead transitions. [2021-03-26 06:52:00,810 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 620 places, 1905 transitions, 67594 flow [2021-03-26 06:52:00,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 06:52:00,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 06:52:00,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 347 transitions. [2021-03-26 06:52:00,811 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2646834477498093 [2021-03-26 06:52:00,811 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 347 transitions. [2021-03-26 06:52:00,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 347 transitions. [2021-03-26 06:52:00,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:52:00,811 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 347 transitions. [2021-03-26 06:52:00,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 18.263157894736842) internal successors, (347), 19 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:52:00,812 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 69.0) internal successors, (1380), 20 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:52:00,812 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 69.0) internal successors, (1380), 20 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:52:00,812 INFO L185 Difference]: Start difference. First operand has 602 places, 1839 transitions, 61834 flow. Second operand 19 states and 347 transitions. [2021-03-26 06:52:00,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 620 places, 1905 transitions, 67594 flow [2021-03-26 06:52:03,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 617 places, 1905 transitions, 67232 flow, removed 145 selfloop flow, removed 3 redundant places. [2021-03-26 06:52:03,722 INFO L241 Difference]: Finished difference. Result has 626 places, 1872 transitions, 64623 flow [2021-03-26 06:52:03,724 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=61403, PETRI_DIFFERENCE_MINUEND_PLACES=599, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1837, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=637, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=64623, PETRI_PLACES=626, PETRI_TRANSITIONS=1872} [2021-03-26 06:52:03,724 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 605 predicate places. [2021-03-26 06:52:03,724 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:52:03,724 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 626 places, 1872 transitions, 64623 flow [2021-03-26 06:52:03,724 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 626 places, 1872 transitions, 64623 flow [2021-03-26 06:52:03,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 625 places, 1872 transitions, 64623 flow [2021-03-26 06:52:05,519 INFO L129 PetriNetUnfolder]: 1998/4924 cut-off events. [2021-03-26 06:52:05,520 INFO L130 PetriNetUnfolder]: For 298648/298838 co-relation queries the response was YES. [2021-03-26 06:52:05,588 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70109 conditions, 4924 events. 1998/4924 cut-off events. For 298648/298838 co-relation queries the response was YES. Maximal size of possible extension queue 553. Compared 48318 event pairs, 27 based on Foata normal form. 47/4968 useless extension candidates. Maximal degree in co-relation 69500. Up to 1845 conditions per place. [2021-03-26 06:52:05,641 INFO L142 LiptonReduction]: Number of co-enabled transitions 1556 [2021-03-26 06:52:06,026 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:52:06,026 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:52:06,026 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2302 [2021-03-26 06:52:06,026 INFO L480 AbstractCegarLoop]: Abstraction has has 625 places, 1872 transitions, 64623 flow [2021-03-26 06:52:06,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 15.181818181818182) internal successors, (167), 11 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:52:06,026 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:52:06,026 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:52:06,227 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94,68 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:52:06,227 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:52:06,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:52:06,227 INFO L82 PathProgramCache]: Analyzing trace with hash 871498892, now seen corresponding path program 7 times [2021-03-26 06:52:06,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:52:06,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328243675] [2021-03-26 06:52:06,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:52:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:52:06,240 INFO L142 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size [2021-03-26 06:52:06,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:52:06,247 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-26 06:52:06,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:52:06,254 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:52:06,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:52:06,260 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:52:06,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:52:06,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:06,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:06,274 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:52:06,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328243675] [2021-03-26 06:52:06,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240499819] [2021-03-26 06:52:06,274 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 06:52:06,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:52:06,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 06:52:06,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:52:06,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:06,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:06,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:06,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:06,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:06,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:06,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:06,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:06,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:06,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:06,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:06,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:06,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:06,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:06,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:52:06,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:06,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:06,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:06,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:52:06,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:52:06,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:52:06,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:52:06,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:52:06,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:52:06,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:52:06,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:52:06,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:52:06,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:52:06,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:52:06,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:52:06,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:06,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:06,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:52:06,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:06,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:06,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:52:06,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:06,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:06,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:06,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:06,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:06,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:06,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:06,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:52:06,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:52:06,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:06,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:52:06,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:52:06,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:52:06,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:52:06,362 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:52:06,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:06,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:06,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:06,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:06,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:06,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:06,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:06,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:06,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:06,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:06,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:06,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:06,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:06,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:06,369 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:52:06,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:52:06,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-03-26 06:52:06,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336275409] [2021-03-26 06:52:06,369 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 06:52:06,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:52:06,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 06:52:06,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-26 06:52:06,370 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 69 [2021-03-26 06:52:06,370 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 625 places, 1872 transitions, 64623 flow. Second operand has 10 states, 10 states have (on average 15.4) internal successors, (154), 10 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:52:06,370 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:52:06,370 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 69 [2021-03-26 06:52:06,370 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:52:10,445 INFO L129 PetriNetUnfolder]: 2292/5382 cut-off events. [2021-03-26 06:52:10,445 INFO L130 PetriNetUnfolder]: For 326483/326583 co-relation queries the response was YES. [2021-03-26 06:52:10,523 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81384 conditions, 5382 events. 2292/5382 cut-off events. For 326483/326583 co-relation queries the response was YES. Maximal size of possible extension queue 612. Compared 51633 event pairs, 125 based on Foata normal form. 34/5416 useless extension candidates. Maximal degree in co-relation 80757. Up to 4132 conditions per place. [2021-03-26 06:52:10,555 INFO L132 encePairwiseOnDemand]: 56/69 looper letters, 1801 selfloop transitions, 206 changer transitions 0/2013 dead transitions. [2021-03-26 06:52:10,555 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 634 places, 2013 transitions, 73903 flow [2021-03-26 06:52:10,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 06:52:10,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 06:52:10,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 196 transitions. [2021-03-26 06:52:10,556 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28405797101449276 [2021-03-26 06:52:10,556 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 196 transitions. [2021-03-26 06:52:10,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 196 transitions. [2021-03-26 06:52:10,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:52:10,556 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 196 transitions. [2021-03-26 06:52:10,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 19.6) internal successors, (196), 10 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:52:10,557 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 69.0) internal successors, (759), 11 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:52:10,557 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 69.0) internal successors, (759), 11 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:52:10,557 INFO L185 Difference]: Start difference. First operand has 625 places, 1872 transitions, 64623 flow. Second operand 10 states and 196 transitions. [2021-03-26 06:52:10,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 634 places, 2013 transitions, 73903 flow [2021-03-26 06:52:13,911 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 628 places, 2013 transitions, 72966 flow, removed 175 selfloop flow, removed 6 redundant places. [2021-03-26 06:52:13,960 INFO L241 Difference]: Finished difference. Result has 631 places, 1972 transitions, 68362 flow [2021-03-26 06:52:13,962 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=63686, PETRI_DIFFERENCE_MINUEND_PLACES=619, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1872, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=114, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1684, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=68362, PETRI_PLACES=631, PETRI_TRANSITIONS=1972} [2021-03-26 06:52:13,962 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 610 predicate places. [2021-03-26 06:52:13,962 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:52:13,962 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 631 places, 1972 transitions, 68362 flow [2021-03-26 06:52:13,962 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 631 places, 1972 transitions, 68362 flow [2021-03-26 06:52:13,992 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 631 places, 1972 transitions, 68362 flow [2021-03-26 06:52:15,703 INFO L129 PetriNetUnfolder]: 2145/5148 cut-off events. [2021-03-26 06:52:15,703 INFO L130 PetriNetUnfolder]: For 313249/313444 co-relation queries the response was YES. [2021-03-26 06:52:15,783 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73680 conditions, 5148 events. 2145/5148 cut-off events. For 313249/313444 co-relation queries the response was YES. Maximal size of possible extension queue 584. Compared 50071 event pairs, 35 based on Foata normal form. 41/5186 useless extension candidates. Maximal degree in co-relation 73087. Up to 1950 conditions per place. [2021-03-26 06:52:15,845 INFO L142 LiptonReduction]: Number of co-enabled transitions 1560 [2021-03-26 06:52:16,221 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:52:16,221 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:52:16,221 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2259 [2021-03-26 06:52:16,222 INFO L480 AbstractCegarLoop]: Abstraction has has 631 places, 1972 transitions, 68362 flow [2021-03-26 06:52:16,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 15.4) internal successors, (154), 10 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:52:16,222 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:52:16,222 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:52:16,423 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable95 [2021-03-26 06:52:16,424 INFO L428 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:52:16,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:52:16,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1680658069, now seen corresponding path program 19 times [2021-03-26 06:52:16,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:52:16,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772618304] [2021-03-26 06:52:16,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:52:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:52:16,430 INFO L142 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size [2021-03-26 06:52:16,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:52:16,438 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-26 06:52:16,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:52:16,445 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:52:16,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:52:16,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:52:16,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:52:16,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:16,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:52:16,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772618304] [2021-03-26 06:52:16,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852756570] [2021-03-26 06:52:16,462 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:52:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:52:16,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:52:16,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:52:16,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:16,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:16,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:16,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:16,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:16,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:16,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:16,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:16,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:16,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:16,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:16,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:16,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:16,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:52:16,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:52:16,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:16,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:52:16,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:52:16,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:52:16,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:52:16,523 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-26 06:52:16,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:52:16,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:16,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:52:16,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:52:16,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:16,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:16,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:16,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:16,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:16,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:16,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:16,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:52:16,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:52:16,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:16,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:52:16,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:52:16,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:52:16,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:52:16,542 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-03-26 06:52:16,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:16,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:16,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:16,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:52:16,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:52:16,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:52:16,545 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 06:52:16,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:16,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:16,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:16,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:16,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:16,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:16,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:16,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:16,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:16,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:16,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:16,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:16,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:16,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:16,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:16,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:16,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:16,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:52:16,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:52:16,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-26 06:52:16,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735356741] [2021-03-26 06:52:16,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 06:52:16,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:52:16,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 06:52:16,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-26 06:52:16,554 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 69 [2021-03-26 06:52:16,554 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 631 places, 1972 transitions, 68362 flow. Second operand has 10 states, 10 states have (on average 15.2) internal successors, (152), 10 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:52:16,554 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:52:16,555 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 69 [2021-03-26 06:52:16,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:52:20,995 INFO L129 PetriNetUnfolder]: 2310/5441 cut-off events. [2021-03-26 06:52:20,995 INFO L130 PetriNetUnfolder]: For 330475/330729 co-relation queries the response was YES. [2021-03-26 06:52:21,071 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81928 conditions, 5441 events. 2310/5441 cut-off events. For 330475/330729 co-relation queries the response was YES. Maximal size of possible extension queue 619. Compared 52374 event pairs, 129 based on Foata normal form. 130/5571 useless extension candidates. Maximal degree in co-relation 81417. Up to 2435 conditions per place. [2021-03-26 06:52:21,104 INFO L132 encePairwiseOnDemand]: 57/69 looper letters, 1299 selfloop transitions, 722 changer transitions 2/2029 dead transitions. [2021-03-26 06:52:21,104 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 650 places, 2029 transitions, 74595 flow [2021-03-26 06:52:21,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 06:52:21,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 06:52:21,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 369 transitions. [2021-03-26 06:52:21,105 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2673913043478261 [2021-03-26 06:52:21,105 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 369 transitions. [2021-03-26 06:52:21,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 369 transitions. [2021-03-26 06:52:21,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:52:21,105 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 369 transitions. [2021-03-26 06:52:21,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 18.45) internal successors, (369), 20 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:52:21,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 69.0) internal successors, (1449), 21 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:52:21,106 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 69.0) internal successors, (1449), 21 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:52:21,106 INFO L185 Difference]: Start difference. First operand has 631 places, 1972 transitions, 68362 flow. Second operand 20 states and 369 transitions. [2021-03-26 06:52:21,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 650 places, 2029 transitions, 74595 flow [2021-03-26 06:52:24,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 646 places, 2029 transitions, 74293 flow, removed 62 selfloop flow, removed 4 redundant places. [2021-03-26 06:52:24,453 INFO L241 Difference]: Finished difference. Result has 650 places, 1985 transitions, 70783 flow [2021-03-26 06:52:24,454 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=67701, PETRI_DIFFERENCE_MINUEND_PLACES=627, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1961, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=698, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=70783, PETRI_PLACES=650, PETRI_TRANSITIONS=1985} [2021-03-26 06:52:24,454 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 629 predicate places. [2021-03-26 06:52:24,454 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:52:24,455 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 650 places, 1985 transitions, 70783 flow [2021-03-26 06:52:24,455 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 650 places, 1985 transitions, 70783 flow [2021-03-26 06:52:24,478 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 650 places, 1985 transitions, 70783 flow [2021-03-26 06:52:26,333 INFO L129 PetriNetUnfolder]: 2158/5197 cut-off events. [2021-03-26 06:52:26,333 INFO L130 PetriNetUnfolder]: For 339125/339328 co-relation queries the response was YES. [2021-03-26 06:52:26,413 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76461 conditions, 5197 events. 2158/5197 cut-off events. For 339125/339328 co-relation queries the response was YES. Maximal size of possible extension queue 605. Compared 50749 event pairs, 33 based on Foata normal form. 44/5236 useless extension candidates. Maximal degree in co-relation 75980. Up to 1979 conditions per place. [2021-03-26 06:52:26,475 INFO L142 LiptonReduction]: Number of co-enabled transitions 1572 [2021-03-26 06:52:26,850 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:52:26,851 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:52:26,851 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2397 [2021-03-26 06:52:26,851 INFO L480 AbstractCegarLoop]: Abstraction has has 650 places, 1985 transitions, 70783 flow [2021-03-26 06:52:26,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 15.2) internal successors, (152), 10 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:52:26,851 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:52:26,851 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:52:27,051 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96,70 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:52:27,052 INFO L428 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:52:27,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:52:27,052 INFO L82 PathProgramCache]: Analyzing trace with hash 894056285, now seen corresponding path program 20 times [2021-03-26 06:52:27,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:52:27,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467825405] [2021-03-26 06:52:27,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:52:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:52:27,061 INFO L142 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size [2021-03-26 06:52:27,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:52:27,068 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-26 06:52:27,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:52:27,074 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:52:27,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:27,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:52:27,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:27,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:27,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:52:27,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467825405] [2021-03-26 06:52:27,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415980188] [2021-03-26 06:52:27,091 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:52:27,132 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:52:27,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:52:27,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:52:27,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:52:27,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:27,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:27,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:27,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:27,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:27,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:27,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:27,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:27,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:27,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:27,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:27,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:27,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:27,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:52:27,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:52:27,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:27,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:52:27,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:52:27,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:52:27,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:52:27,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:27,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:52:27,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:52:27,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:27,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:52:27,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:52:27,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:27,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:27,166 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 06:52:27,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:52:27,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:27,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:52:27,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:52:27,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:52:27,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:52:27,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:27,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:27,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:52:27,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:27,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:27,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:52:27,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:52:27,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:52:27,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:27,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:27,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:27,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:27,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:27,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:27,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:27,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:27,186 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:52:27,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:27,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:27,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:27,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:27,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:27,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:27,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:27,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:27,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:27,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:27,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:27,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:27,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:27,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:27,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 06:52:27,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:52:27,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 8 [2021-03-26 06:52:27,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673721550] [2021-03-26 06:52:27,193 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 06:52:27,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:52:27,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 06:52:27,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-03-26 06:52:27,193 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 69 [2021-03-26 06:52:27,194 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 650 places, 1985 transitions, 70783 flow. Second operand has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:52:27,194 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:52:27,194 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 69 [2021-03-26 06:52:27,194 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:52:31,549 INFO L129 PetriNetUnfolder]: 2314/5419 cut-off events. [2021-03-26 06:52:31,549 INFO L130 PetriNetUnfolder]: For 349147/349391 co-relation queries the response was YES. [2021-03-26 06:52:31,623 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83910 conditions, 5419 events. 2314/5419 cut-off events. For 349147/349391 co-relation queries the response was YES. Maximal size of possible extension queue 612. Compared 51902 event pairs, 137 based on Foata normal form. 121/5540 useless extension candidates. Maximal degree in co-relation 83393. Up to 3604 conditions per place. [2021-03-26 06:52:31,653 INFO L132 encePairwiseOnDemand]: 59/69 looper letters, 1596 selfloop transitions, 433 changer transitions 0/2035 dead transitions. [2021-03-26 06:52:31,653 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 661 places, 2035 transitions, 76585 flow [2021-03-26 06:52:31,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 06:52:31,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 06:52:31,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 234 transitions. [2021-03-26 06:52:31,654 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2826086956521739 [2021-03-26 06:52:31,654 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 234 transitions. [2021-03-26 06:52:31,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 234 transitions. [2021-03-26 06:52:31,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:52:31,654 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 234 transitions. [2021-03-26 06:52:31,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 19.5) internal successors, (234), 12 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:52:31,655 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 69.0) internal successors, (897), 13 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:52:31,655 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 69.0) internal successors, (897), 13 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:52:31,655 INFO L185 Difference]: Start difference. First operand has 650 places, 1985 transitions, 70783 flow. Second operand 12 states and 234 transitions. [2021-03-26 06:52:31,655 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 661 places, 2035 transitions, 76585 flow [2021-03-26 06:52:34,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 653 places, 2035 transitions, 75790 flow, removed 265 selfloop flow, removed 8 redundant places. [2021-03-26 06:52:35,044 INFO L241 Difference]: Finished difference. Result has 655 places, 1997 transitions, 71388 flow [2021-03-26 06:52:35,046 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=69997, PETRI_DIFFERENCE_MINUEND_PLACES=642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1985, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=422, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1563, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=71388, PETRI_PLACES=655, PETRI_TRANSITIONS=1997} [2021-03-26 06:52:35,046 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 634 predicate places. [2021-03-26 06:52:35,046 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:52:35,046 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 655 places, 1997 transitions, 71388 flow [2021-03-26 06:52:35,046 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 655 places, 1997 transitions, 71388 flow [2021-03-26 06:52:35,075 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 655 places, 1997 transitions, 71388 flow [2021-03-26 06:52:36,899 INFO L129 PetriNetUnfolder]: 2163/5206 cut-off events. [2021-03-26 06:52:36,899 INFO L130 PetriNetUnfolder]: For 340002/340208 co-relation queries the response was YES. [2021-03-26 06:52:36,991 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76709 conditions, 5206 events. 2163/5206 cut-off events. For 340002/340208 co-relation queries the response was YES. Maximal size of possible extension queue 602. Compared 50885 event pairs, 35 based on Foata normal form. 45/5245 useless extension candidates. Maximal degree in co-relation 76082. Up to 1967 conditions per place. [2021-03-26 06:52:37,073 INFO L142 LiptonReduction]: Number of co-enabled transitions 1596 [2021-03-26 06:52:37,525 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:52:37,525 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:52:37,525 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2479 [2021-03-26 06:52:37,525 INFO L480 AbstractCegarLoop]: Abstraction has has 655 places, 1997 transitions, 71388 flow [2021-03-26 06:52:37,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:52:37,525 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:52:37,525 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:52:37,726 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable97 [2021-03-26 06:52:37,726 INFO L428 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:52:37,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:52:37,726 INFO L82 PathProgramCache]: Analyzing trace with hash -181654871, now seen corresponding path program 21 times [2021-03-26 06:52:37,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:52:37,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830091834] [2021-03-26 06:52:37,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:52:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:52:37,738 INFO L142 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size [2021-03-26 06:52:37,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:52:37,746 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-26 06:52:37,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:52:37,754 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:52:37,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:52:37,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:52:37,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:37,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:37,773 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:52:37,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830091834] [2021-03-26 06:52:37,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769918561] [2021-03-26 06:52:37,773 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 06:52:37,808 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-26 06:52:37,809 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:52:37,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:52:37,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:52:37,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:37,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:37,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 Waiting until toolchain timeout for monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:52:37,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:37,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:37,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:37,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:37,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:37,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:37,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:37,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:37,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:37,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:37,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:52:37,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:52:37,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:37,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:52:37,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:52:37,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:52:37,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:52:37,841 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-26 06:52:37,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:52:37,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:37,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:52:37,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:52:37,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:37,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:37,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:37,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:52:37,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:52:37,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:37,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:52:37,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:52:37,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:52:37,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:52:37,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:37,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:37,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:52:37,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:37,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:37,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:52:37,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:52:37,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:52:37,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:37,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:37,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:37,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:37,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:37,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:37,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:37,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:37,870 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:52:37,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:37,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:37,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:37,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:37,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:37,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:37,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:37,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:37,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:37,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:37,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:37,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:37,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:37,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:37,876 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:52:37,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:52:37,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-26 06:52:37,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736273013] [2021-03-26 06:52:37,877 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 06:52:37,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:52:37,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 06:52:37,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-26 06:52:37,877 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 69 [2021-03-26 06:52:37,877 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 655 places, 1997 transitions, 71388 flow. Second operand has 10 states, 10 states have (on average 15.2) internal successors, (152), 10 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:52:37,877 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:52:37,877 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 69 [2021-03-26 06:52:37,877 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:52:42,490 INFO L129 PetriNetUnfolder]: 2326/5488 cut-off events. [2021-03-26 06:52:42,490 INFO L130 PetriNetUnfolder]: For 351079/351115 co-relation queries the response was YES. [2021-03-26 06:52:42,572 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84929 conditions, 5488 events. 2326/5488 cut-off events. For 351079/351115 co-relation queries the response was YES. Maximal size of possible extension queue 627. Compared 52963 event pairs, 134 based on Foata normal form. 41/5529 useless extension candidates. Maximal degree in co-relation 84295. Up to 3220 conditions per place. [2021-03-26 06:52:42,607 INFO L132 encePairwiseOnDemand]: 58/69 looper letters, 1396 selfloop transitions, 649 changer transitions 0/2051 dead transitions. [2021-03-26 06:52:42,607 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 669 places, 2051 transitions, 77364 flow [2021-03-26 06:52:42,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 06:52:42,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 06:52:42,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 282 transitions. [2021-03-26 06:52:42,608 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27246376811594203 [2021-03-26 06:52:42,608 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 282 transitions. [2021-03-26 06:52:42,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 282 transitions. [2021-03-26 06:52:42,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:52:42,608 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 282 transitions. [2021-03-26 06:52:42,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 18.8) internal successors, (282), 15 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:52:42,609 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 69.0) internal successors, (1104), 16 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:52:42,609 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 69.0) internal successors, (1104), 16 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:52:42,609 INFO L185 Difference]: Start difference. First operand has 655 places, 1997 transitions, 71388 flow. Second operand 15 states and 282 transitions. [2021-03-26 06:52:42,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 669 places, 2051 transitions, 77364 flow [2021-03-26 06:52:46,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 665 places, 2051 transitions, 76920 flow, removed 74 selfloop flow, removed 4 redundant places. [2021-03-26 06:52:46,250 INFO L241 Difference]: Finished difference. Result has 670 places, 2013 transitions, 73459 flow [2021-03-26 06:52:46,252 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=70881, PETRI_DIFFERENCE_MINUEND_PLACES=651, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1995, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=631, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=73459, PETRI_PLACES=670, PETRI_TRANSITIONS=2013} [2021-03-26 06:52:46,252 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 649 predicate places. [2021-03-26 06:52:46,252 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:52:46,252 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 670 places, 2013 transitions, 73459 flow [2021-03-26 06:52:46,252 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 670 places, 2013 transitions, 73459 flow [2021-03-26 06:52:46,285 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 670 places, 2013 transitions, 73459 flow [2021-03-26 06:52:48,140 INFO L129 PetriNetUnfolder]: 2174/5249 cut-off events. [2021-03-26 06:52:48,140 INFO L130 PetriNetUnfolder]: For 356659/356866 co-relation queries the response was YES. [2021-03-26 06:52:48,230 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78745 conditions, 5249 events. 2174/5249 cut-off events. For 356659/356866 co-relation queries the response was YES. Maximal size of possible extension queue 596. Compared 51416 event pairs, 34 based on Foata normal form. 46/5285 useless extension candidates. Maximal degree in co-relation 78112. Up to 1987 conditions per place. [2021-03-26 06:52:48,300 INFO L142 LiptonReduction]: Number of co-enabled transitions 1626 [2021-03-26 06:52:48,719 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:52:48,720 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:52:48,720 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2468 [2021-03-26 06:52:48,720 INFO L480 AbstractCegarLoop]: Abstraction has has 670 places, 2013 transitions, 73459 flow [2021-03-26 06:52:48,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 15.2) internal successors, (152), 10 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:52:48,720 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:52:48,720 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:52:48,920 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98,72 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:52:48,921 INFO L428 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:52:48,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:52:48,921 INFO L82 PathProgramCache]: Analyzing trace with hash -23043353, now seen corresponding path program 22 times [2021-03-26 06:52:48,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:52:48,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705584976] [2021-03-26 06:52:48,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:52:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:52:48,933 INFO L142 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size [2021-03-26 06:52:48,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:52:48,940 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-26 06:52:48,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:52:48,947 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-26 06:52:48,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:52:48,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:48,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:48,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:48,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:48,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:48,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:48,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:52:48,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705584976] [2021-03-26 06:52:48,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549177106] [2021-03-26 06:52:48,965 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:52:49,007 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 06:52:49,008 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:52:49,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:52:49,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:52:49,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:49,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:49,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:49,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:49,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:49,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:49,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:49,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:49,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:49,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:49,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:49,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:49,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:49,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:49,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:49,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:49,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:49,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:52:49,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:52:49,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:49,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:52:49,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:52:49,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:52:49,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:52:49,041 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-26 06:52:49,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:52:49,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:49,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:49,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:52:49,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:52:49,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:52:49,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:49,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:52:49,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:52:49,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:49,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:52:49,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:52:49,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:49,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:49,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:49,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:49,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:52:49,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:49,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:52:49,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:52:49,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:52:49,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:52:49,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:52:49,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:52:49,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:49,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:49,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:49,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:49,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:49,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:49,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:49,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:52:49,084 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:52:49,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:49,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:49,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:49,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:49,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:49,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:49,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:49,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:49,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:49,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:52:49,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:52:49,088 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:52:49,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:52:49,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-26 06:52:49,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738945358] [2021-03-26 06:52:49,088 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:52:49,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:52:49,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:52:49,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:52:49,089 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 69 [2021-03-26 06:52:49,089 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 670 places, 2013 transitions, 73459 flow. Second operand has 11 states, 11 states have (on average 15.181818181818182) internal successors, (167), 11 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:52:49,089 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:52:49,089 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 69 [2021-03-26 06:52:49,089 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:52:53,779 INFO L129 PetriNetUnfolder]: 2321/5441 cut-off events. [2021-03-26 06:52:53,780 INFO L130 PetriNetUnfolder]: For 362615/362651 co-relation queries the response was YES. [2021-03-26 06:52:53,856 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85776 conditions, 5441 events. 2321/5441 cut-off events. For 362615/362651 co-relation queries the response was YES. Maximal size of possible extension queue 613. Compared 52143 event pairs, 137 based on Foata normal form. 24/5465 useless extension candidates. Maximal degree in co-relation 85136. Up to 3647 conditions per place. [2021-03-26 06:52:53,890 INFO L132 encePairwiseOnDemand]: 59/69 looper letters, 1571 selfloop transitions, 459 changer transitions 0/2036 dead transitions. [2021-03-26 06:52:53,890 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 680 places, 2036 transitions, 78225 flow [2021-03-26 06:52:53,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 06:52:53,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 06:52:53,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 209 transitions. [2021-03-26 06:52:53,891 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2753623188405797 [2021-03-26 06:52:53,891 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 209 transitions. [2021-03-26 06:52:53,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 209 transitions. [2021-03-26 06:52:53,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:52:53,891 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 209 transitions. [2021-03-26 06:52:53,891 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:52:53,892 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 69.0) internal successors, (828), 12 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:52:53,892 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 69.0) internal successors, (828), 12 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:52:53,892 INFO L185 Difference]: Start difference. First operand has 670 places, 2013 transitions, 73459 flow. Second operand 11 states and 209 transitions. [2021-03-26 06:52:53,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 680 places, 2036 transitions, 78225 flow [2021-03-26 06:52:57,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 667 places, 2036 transitions, 77005 flow, removed 90 selfloop flow, removed 13 redundant places. [2021-03-26 06:52:57,647 INFO L241 Difference]: Finished difference. Result has 669 places, 2011 transitions, 73307 flow [2021-03-26 06:52:57,649 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=72079, PETRI_DIFFERENCE_MINUEND_PLACES=657, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2008, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=456, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1549, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=73307, PETRI_PLACES=669, PETRI_TRANSITIONS=2011} [2021-03-26 06:52:57,649 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 648 predicate places. [2021-03-26 06:52:57,649 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:52:57,649 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 669 places, 2011 transitions, 73307 flow [2021-03-26 06:52:57,649 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 669 places, 2011 transitions, 73307 flow [2021-03-26 06:52:57,673 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 669 places, 2011 transitions, 73307 flow [2021-03-26 06:52:59,583 INFO L129 PetriNetUnfolder]: 2176/5202 cut-off events. [2021-03-26 06:52:59,583 INFO L130 PetriNetUnfolder]: For 349317/349532 co-relation queries the response was YES. [2021-03-26 06:52:59,662 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78271 conditions, 5202 events. 2176/5202 cut-off events. For 349317/349532 co-relation queries the response was YES. Maximal size of possible extension queue 596. Compared 50600 event pairs, 33 based on Foata normal form. 47/5239 useless extension candidates. Maximal degree in co-relation 77658. Up to 1949 conditions per place. [2021-03-26 06:52:59,723 INFO L142 LiptonReduction]: Number of co-enabled transitions 1622 [2021-03-26 06:53:00,125 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:53:00,125 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:53:00,125 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2476 [2021-03-26 06:53:00,125 INFO L480 AbstractCegarLoop]: Abstraction has has 669 places, 2011 transitions, 73307 flow [2021-03-26 06:53:00,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 15.181818181818182) internal successors, (167), 11 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:53:00,125 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:53:00,125 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:53:00,326 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable99 [2021-03-26 06:53:00,326 INFO L428 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:53:00,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:53:00,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1008825290, now seen corresponding path program 22 times [2021-03-26 06:53:00,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:53:00,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741485063] [2021-03-26 06:53:00,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:53:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:53:00,335 INFO L142 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size [2021-03-26 06:53:00,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:53:00,342 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-26 06:53:00,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:53:00,347 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:53:00,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:00,352 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:53:00,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:00,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:53:00,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:00,363 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:53:00,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741485063] [2021-03-26 06:53:00,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621115921] [2021-03-26 06:53:00,364 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:53:00,380 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 06:53:00,380 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:53:00,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:53:00,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:53:00,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:00,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:00,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:00,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:00,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:00,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:00,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:00,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:00,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:00,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:00,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:00,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:00,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:00,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:00,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:00,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:00,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:00,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:00,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:53:00,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:00,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:00,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:53:00,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:00,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:00,408 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-26 06:53:00,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:53:00,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:00,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:53:00,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:53:00,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:53:00,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:53:00,419 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-03-26 06:53:00,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:00,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:00,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:00,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:53:00,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:53:00,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:53:00,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:00,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:53:00,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:53:00,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:00,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:53:00,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:53:00,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:53:00,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:53:00,431 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 06:53:00,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:00,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:00,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:00,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:00,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:00,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:00,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:00,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:00,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:00,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:00,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:00,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:00,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:00,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:00,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:00,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:00,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:00,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:53:00,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:53:00,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-26 06:53:00,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575999047] [2021-03-26 06:53:00,438 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:53:00,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:53:00,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:53:00,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:53:00,439 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 69 [2021-03-26 06:53:00,439 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 669 places, 2011 transitions, 73307 flow. Second operand has 11 states, 11 states have (on average 15.181818181818182) internal successors, (167), 11 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:53:00,439 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:53:00,439 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 69 [2021-03-26 06:53:00,439 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:53:05,160 INFO L129 PetriNetUnfolder]: 2384/5593 cut-off events. [2021-03-26 06:53:05,160 INFO L130 PetriNetUnfolder]: For 373140/373176 co-relation queries the response was YES. [2021-03-26 06:53:05,247 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88168 conditions, 5593 events. 2384/5593 cut-off events. For 373140/373176 co-relation queries the response was YES. Maximal size of possible extension queue 646. Compared 54031 event pairs, 134 based on Foata normal form. 37/5630 useless extension candidates. Maximal degree in co-relation 87336. Up to 2961 conditions per place. [2021-03-26 06:53:05,283 INFO L132 encePairwiseOnDemand]: 57/69 looper letters, 1665 selfloop transitions, 447 changer transitions 3/2121 dead transitions. [2021-03-26 06:53:05,283 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 689 places, 2121 transitions, 81469 flow [2021-03-26 06:53:05,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-26 06:53:05,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-26 06:53:05,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 382 transitions. [2021-03-26 06:53:05,284 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2636300897170462 [2021-03-26 06:53:05,284 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 382 transitions. [2021-03-26 06:53:05,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 382 transitions. [2021-03-26 06:53:05,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:53:05,284 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 382 transitions. [2021-03-26 06:53:05,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 18.19047619047619) internal successors, (382), 21 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:53:05,286 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 69.0) internal successors, (1518), 22 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:53:05,286 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 69.0) internal successors, (1518), 22 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:53:05,286 INFO L185 Difference]: Start difference. First operand has 669 places, 2011 transitions, 73307 flow. Second operand 21 states and 382 transitions. [2021-03-26 06:53:05,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 689 places, 2121 transitions, 81469 flow [2021-03-26 06:53:08,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 682 places, 2121 transitions, 80763 flow, removed 4 selfloop flow, removed 7 redundant places. [2021-03-26 06:53:08,998 INFO L241 Difference]: Finished difference. Result has 689 places, 2077 transitions, 76070 flow [2021-03-26 06:53:09,000 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=72601, PETRI_DIFFERENCE_MINUEND_PLACES=662, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2011, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=382, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1586, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=76070, PETRI_PLACES=689, PETRI_TRANSITIONS=2077} [2021-03-26 06:53:09,000 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 668 predicate places. [2021-03-26 06:53:09,000 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:53:09,000 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 689 places, 2077 transitions, 76070 flow [2021-03-26 06:53:09,000 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 689 places, 2077 transitions, 76070 flow [2021-03-26 06:53:09,033 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 688 places, 2077 transitions, 76070 flow [2021-03-26 06:53:10,791 INFO L129 PetriNetUnfolder]: 2235/5366 cut-off events. [2021-03-26 06:53:10,791 INFO L130 PetriNetUnfolder]: For 383181/383389 co-relation queries the response was YES. [2021-03-26 06:53:10,878 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81909 conditions, 5366 events. 2235/5366 cut-off events. For 383181/383389 co-relation queries the response was YES. Maximal size of possible extension queue 603. Compared 52476 event pairs, 31 based on Foata normal form. 51/5411 useless extension candidates. Maximal degree in co-relation 81238. Up to 2011 conditions per place. [2021-03-26 06:53:10,941 INFO L142 LiptonReduction]: Number of co-enabled transitions 1688 [2021-03-26 06:53:11,374 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:53:11,375 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:53:11,375 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2375 [2021-03-26 06:53:11,375 INFO L480 AbstractCegarLoop]: Abstraction has has 688 places, 2077 transitions, 76070 flow [2021-03-26 06:53:11,375 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 15.181818181818182) internal successors, (167), 11 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:53:11,375 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:53:11,375 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:53:11,575 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100,74 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:53:11,575 INFO L428 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:53:11,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:53:11,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1796737010, now seen corresponding path program 23 times [2021-03-26 06:53:11,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:53:11,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481675980] [2021-03-26 06:53:11,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:53:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:53:11,584 INFO L142 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size [2021-03-26 06:53:11,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:53:11,590 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-26 06:53:11,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:53:11,594 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-26 06:53:11,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:53:11,600 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:53:11,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:11,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:53:11,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:11,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:53:11,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481675980] [2021-03-26 06:53:11,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598523667] [2021-03-26 06:53:11,611 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:53:11,632 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:53:11,633 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:53:11,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:53:11,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:53:11,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:11,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:11,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:11,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:11,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:11,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:11,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:11,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:11,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:11,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:11,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:11,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:11,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:11,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:11,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:11,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:11,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:11,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:11,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:53:11,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:11,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:11,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:53:11,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:11,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:11,666 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-26 06:53:11,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:53:11,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:11,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:11,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:53:11,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:11,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:11,678 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-26 06:53:11,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:53:11,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:11,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:53:11,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:53:11,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:53:11,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:53:11,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:11,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:53:11,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:53:11,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:11,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:53:11,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:53:11,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:53:11,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:53:11,693 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 06:53:11,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:11,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:11,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:11,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:11,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:11,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:11,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:11,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:11,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:11,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:11,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:11,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:11,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:11,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:11,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:11,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:11,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:11,701 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:53:11,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:53:11,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-26 06:53:11,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279191653] [2021-03-26 06:53:11,701 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:53:11,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:53:11,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:53:11,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:53:11,702 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 69 [2021-03-26 06:53:11,702 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 688 places, 2077 transitions, 76070 flow. Second operand has 11 states, 11 states have (on average 15.181818181818182) internal successors, (167), 11 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:53:11,702 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:53:11,702 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 69 [2021-03-26 06:53:11,702 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:53:16,354 INFO L129 PetriNetUnfolder]: 2382/5609 cut-off events. [2021-03-26 06:53:16,354 INFO L130 PetriNetUnfolder]: For 391870/391884 co-relation queries the response was YES. [2021-03-26 06:53:16,437 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89288 conditions, 5609 events. 2382/5609 cut-off events. For 391870/391884 co-relation queries the response was YES. Maximal size of possible extension queue 643. Compared 54295 event pairs, 138 based on Foata normal form. 9/5618 useless extension candidates. Maximal degree in co-relation 88592. Up to 2964 conditions per place. [2021-03-26 06:53:16,469 INFO L132 encePairwiseOnDemand]: 57/69 looper letters, 1774 selfloop transitions, 332 changer transitions 2/2114 dead transitions. [2021-03-26 06:53:16,469 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 706 places, 2114 transitions, 81700 flow [2021-03-26 06:53:16,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 06:53:16,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 06:53:16,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 344 transitions. [2021-03-26 06:53:16,470 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2623951182303585 [2021-03-26 06:53:16,470 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 344 transitions. [2021-03-26 06:53:16,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 344 transitions. [2021-03-26 06:53:16,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:53:16,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 344 transitions. [2021-03-26 06:53:16,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 18.105263157894736) internal successors, (344), 19 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:53:16,472 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 69.0) internal successors, (1380), 20 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:53:16,472 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 69.0) internal successors, (1380), 20 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:53:16,472 INFO L185 Difference]: Start difference. First operand has 688 places, 2077 transitions, 76070 flow. Second operand 19 states and 344 transitions. [2021-03-26 06:53:16,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 706 places, 2114 transitions, 81700 flow [2021-03-26 06:53:20,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 698 places, 2114 transitions, 81110 flow, removed 265 selfloop flow, removed 8 redundant places. [2021-03-26 06:53:20,216 INFO L241 Difference]: Finished difference. Result has 704 places, 2089 transitions, 76945 flow [2021-03-26 06:53:20,217 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=75527, PETRI_DIFFERENCE_MINUEND_PLACES=680, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2076, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=318, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1747, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=76945, PETRI_PLACES=704, PETRI_TRANSITIONS=2089} [2021-03-26 06:53:20,217 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 683 predicate places. [2021-03-26 06:53:20,217 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:53:20,217 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 704 places, 2089 transitions, 76945 flow [2021-03-26 06:53:20,217 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 704 places, 2089 transitions, 76945 flow [2021-03-26 06:53:20,246 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 703 places, 2089 transitions, 76945 flow [2021-03-26 06:53:21,967 INFO L129 PetriNetUnfolder]: 2239/5367 cut-off events. [2021-03-26 06:53:21,967 INFO L130 PetriNetUnfolder]: For 393021/393239 co-relation queries the response was YES. [2021-03-26 06:53:22,059 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82410 conditions, 5367 events. 2239/5367 cut-off events. For 393021/393239 co-relation queries the response was YES. Maximal size of possible extension queue 616. Compared 52601 event pairs, 30 based on Foata normal form. 48/5406 useless extension candidates. Maximal degree in co-relation 81785. Up to 2000 conditions per place. [2021-03-26 06:53:22,127 INFO L142 LiptonReduction]: Number of co-enabled transitions 1698 [2021-03-26 06:53:22,621 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:53:22,621 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:53:22,621 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2404 [2021-03-26 06:53:22,621 INFO L480 AbstractCegarLoop]: Abstraction has has 703 places, 2089 transitions, 76945 flow [2021-03-26 06:53:22,622 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 15.181818181818182) internal successors, (167), 11 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:53:22,622 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:53:22,622 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:53:22,822 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable101 [2021-03-26 06:53:22,822 INFO L428 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:53:22,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:53:22,822 INFO L82 PathProgramCache]: Analyzing trace with hash -959864382, now seen corresponding path program 24 times [2021-03-26 06:53:22,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:53:22,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450647092] [2021-03-26 06:53:22,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:53:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:53:22,827 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:53:22,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:22,832 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:53:22,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:22,837 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:53:22,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:22,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:22,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:53:22,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:22,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:53:22,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450647092] [2021-03-26 06:53:22,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440647560] [2021-03-26 06:53:22,854 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 76 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:53:22,873 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-26 06:53:22,873 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:53:22,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:53:22,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:53:22,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:22,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:22,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:22,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:22,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:22,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:22,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:22,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:22,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:22,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:22,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:22,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:22,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:22,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:22,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:22,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:22,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:22,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:22,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:53:22,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:22,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:22,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:53:22,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:22,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:22,901 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-26 06:53:22,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:53:22,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:22,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:22,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:53:22,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:22,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:22,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:22,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:22,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:53:22,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:22,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:22,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:53:22,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:53:22,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:53:22,924 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-26 06:53:22,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:53:22,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:22,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:53:22,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:53:22,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:53:22,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:53:22,927 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 06:53:22,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:22,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:22,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:22,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:22,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:22,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:22,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:22,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:22,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:22,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:22,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:22,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:22,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:22,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:22,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:22,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:22,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:22,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:53:22,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:53:22,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-26 06:53:22,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232450477] [2021-03-26 06:53:22,934 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:53:22,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:53:22,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:53:22,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:53:22,934 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 69 [2021-03-26 06:53:22,934 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 703 places, 2089 transitions, 76945 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:53:22,934 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:53:22,934 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 69 [2021-03-26 06:53:22,935 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:53:27,165 INFO L129 PetriNetUnfolder]: 2426/5795 cut-off events. [2021-03-26 06:53:27,165 INFO L130 PetriNetUnfolder]: For 408304/408426 co-relation queries the response was YES. [2021-03-26 06:53:27,271 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92008 conditions, 5795 events. 2426/5795 cut-off events. For 408304/408426 co-relation queries the response was YES. Maximal size of possible extension queue 655. Compared 56815 event pairs, 133 based on Foata normal form. 38/5833 useless extension candidates. Maximal degree in co-relation 91370. Up to 2937 conditions per place. [2021-03-26 06:53:27,305 INFO L132 encePairwiseOnDemand]: 57/69 looper letters, 1728 selfloop transitions, 501 changer transitions 1/2237 dead transitions. [2021-03-26 06:53:27,305 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 725 places, 2237 transitions, 86921 flow [2021-03-26 06:53:27,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-26 06:53:27,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-26 06:53:27,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 456 transitions. [2021-03-26 06:53:27,306 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28733459357277885 [2021-03-26 06:53:27,306 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 456 transitions. [2021-03-26 06:53:27,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 456 transitions. [2021-03-26 06:53:27,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:53:27,307 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 456 transitions. [2021-03-26 06:53:27,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 19.82608695652174) internal successors, (456), 23 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:53:27,308 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 69.0) internal successors, (1656), 24 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:53:27,308 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 69.0) internal successors, (1656), 24 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:53:27,308 INFO L185 Difference]: Start difference. First operand has 703 places, 2089 transitions, 76945 flow. Second operand 23 states and 456 transitions. [2021-03-26 06:53:27,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 725 places, 2237 transitions, 86921 flow [2021-03-26 06:53:31,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 715 places, 2237 transitions, 86431 flow, removed 92 selfloop flow, removed 10 redundant places. [2021-03-26 06:53:31,962 INFO L241 Difference]: Finished difference. Result has 722 places, 2171 transitions, 81142 flow [2021-03-26 06:53:31,963 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=76413, PETRI_DIFFERENCE_MINUEND_PLACES=693, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2087, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=419, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1626, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=81142, PETRI_PLACES=722, PETRI_TRANSITIONS=2171} [2021-03-26 06:53:31,963 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 701 predicate places. [2021-03-26 06:53:31,963 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:53:31,964 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 722 places, 2171 transitions, 81142 flow [2021-03-26 06:53:31,964 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 722 places, 2171 transitions, 81142 flow [2021-03-26 06:53:31,988 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 721 places, 2171 transitions, 81142 flow [2021-03-26 06:53:33,875 INFO L129 PetriNetUnfolder]: 2277/5555 cut-off events. [2021-03-26 06:53:33,875 INFO L130 PetriNetUnfolder]: For 402836/403059 co-relation queries the response was YES. [2021-03-26 06:53:33,972 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85684 conditions, 5555 events. 2277/5555 cut-off events. For 402836/403059 co-relation queries the response was YES. Maximal size of possible extension queue 626. Compared 55146 event pairs, 31 based on Foata normal form. 48/5597 useless extension candidates. Maximal degree in co-relation 85146. Up to 2034 conditions per place. [2021-03-26 06:53:34,042 INFO L142 LiptonReduction]: Number of co-enabled transitions 1742 [2021-03-26 06:53:35,532 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 06:53:35,532 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-26 06:53:35,532 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3569 [2021-03-26 06:53:35,532 INFO L480 AbstractCegarLoop]: Abstraction has has 720 places, 2170 transitions, 81190 flow [2021-03-26 06:53:35,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:53:35,532 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:53:35,532 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:53:35,733 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 76 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable102 [2021-03-26 06:53:35,733 INFO L428 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:53:35,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:53:35,733 INFO L82 PathProgramCache]: Analyzing trace with hash -394322616, now seen corresponding path program 8 times [2021-03-26 06:53:35,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:53:35,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428761654] [2021-03-26 06:53:35,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:53:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:53:35,748 INFO L142 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size [2021-03-26 06:53:35,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:53:35,756 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-26 06:53:35,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:53:35,763 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:53:35,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:35,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:53:35,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:35,778 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:53:35,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428761654] [2021-03-26 06:53:35,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632461650] [2021-03-26 06:53:35,779 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:53:35,802 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:53:35,803 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:53:35,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 06:53:35,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:53:35,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:35,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:35,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:35,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:35,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:35,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:35,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:35,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:35,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:35,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:35,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:35,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:35,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:35,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:35,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:35,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:35,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:35,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:35,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:53:35,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:35,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:35,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:53:35,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:35,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:35,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:35,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:35,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:53:35,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:35,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:35,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:35,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:53:35,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:53:35,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:53:35,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:53:35,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:35,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:53:35,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:53:35,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:35,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:53:35,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:53:35,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:53:35,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:53:35,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:53:35,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:53:35,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:53:35,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:53:35,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:53:35,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:53:35,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:53:35,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:53:35,852 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:53:35,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:35,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:35,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:35,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:35,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:35,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:35,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:35,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:35,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:35,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:35,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:35,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:35,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:35,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:35,857 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:53:35,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:53:35,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-03-26 06:53:35,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294449159] [2021-03-26 06:53:35,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 06:53:35,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:53:35,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 06:53:35,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-26 06:53:35,858 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 74 [2021-03-26 06:53:35,858 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 720 places, 2170 transitions, 81190 flow. Second operand has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:53:35,858 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:53:35,858 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 74 [2021-03-26 06:53:35,858 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:53:41,526 INFO L129 PetriNetUnfolder]: 2615/6044 cut-off events. [2021-03-26 06:53:41,527 INFO L130 PetriNetUnfolder]: For 439272/439394 co-relation queries the response was YES. [2021-03-26 06:53:41,631 INFO L84 FinitePrefix]: Finished finitePrefix Result has 98830 conditions, 6044 events. 2615/6044 cut-off events. For 439272/439394 co-relation queries the response was YES. Maximal size of possible extension queue 683. Compared 58282 event pairs, 160 based on Foata normal form. 40/6084 useless extension candidates. Maximal degree in co-relation 98269. Up to 4571 conditions per place. [2021-03-26 06:53:41,669 INFO L132 encePairwiseOnDemand]: 62/74 looper letters, 2025 selfloop transitions, 289 changer transitions 0/2320 dead transitions. [2021-03-26 06:53:41,670 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 725 places, 2320 transitions, 91888 flow [2021-03-26 06:53:41,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 06:53:41,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 06:53:41,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 183 transitions. [2021-03-26 06:53:41,670 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2747747747747748 [2021-03-26 06:53:41,670 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 183 transitions. [2021-03-26 06:53:41,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 183 transitions. [2021-03-26 06:53:41,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:53:41,671 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 183 transitions. [2021-03-26 06:53:41,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 20.333333333333332) internal successors, (183), 9 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:53:41,671 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 74.0) internal successors, (740), 10 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:53:41,671 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 74.0) internal successors, (740), 10 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:53:41,671 INFO L185 Difference]: Start difference. First operand has 720 places, 2170 transitions, 81190 flow. Second operand 9 states and 183 transitions. [2021-03-26 06:53:41,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 725 places, 2320 transitions, 91888 flow [2021-03-26 06:53:46,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 712 places, 2320 transitions, 90665 flow, removed 269 selfloop flow, removed 13 redundant places. [2021-03-26 06:53:46,754 INFO L241 Difference]: Finished difference. Result has 714 places, 2282 transitions, 85737 flow [2021-03-26 06:53:46,755 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=74, PETRI_DIFFERENCE_MINUEND_FLOW=79820, PETRI_DIFFERENCE_MINUEND_PLACES=704, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=172, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1884, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=85737, PETRI_PLACES=714, PETRI_TRANSITIONS=2282} [2021-03-26 06:53:46,755 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 693 predicate places. [2021-03-26 06:53:46,756 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:53:46,756 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 714 places, 2282 transitions, 85737 flow [2021-03-26 06:53:46,756 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 714 places, 2282 transitions, 85737 flow [2021-03-26 06:53:46,783 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 714 places, 2282 transitions, 85737 flow [2021-03-26 06:53:49,021 INFO L129 PetriNetUnfolder]: 2447/5805 cut-off events. [2021-03-26 06:53:49,021 INFO L130 PetriNetUnfolder]: For 429564/429806 co-relation queries the response was YES. [2021-03-26 06:53:49,120 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90517 conditions, 5805 events. 2447/5805 cut-off events. For 429564/429806 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 56868 event pairs, 39 based on Foata normal form. 55/5852 useless extension candidates. Maximal degree in co-relation 89957. Up to 2166 conditions per place. [2021-03-26 06:53:49,194 INFO L142 LiptonReduction]: Number of co-enabled transitions 1734 [2021-03-26 06:53:50,646 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:53:50,646 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 06:53:50,646 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3890 [2021-03-26 06:53:50,646 INFO L480 AbstractCegarLoop]: Abstraction has has 714 places, 2282 transitions, 85778 flow [2021-03-26 06:53:50,646 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:53:50,646 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:53:50,647 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:53:50,847 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 77 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable103 [2021-03-26 06:53:50,847 INFO L428 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:53:50,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:53:50,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1034382410, now seen corresponding path program 25 times [2021-03-26 06:53:50,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:53:50,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348491187] [2021-03-26 06:53:50,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:53:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:53:50,856 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:53:50,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:50,860 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:53:50,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:50,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:50,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:53:50,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:53:50,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:50,882 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:53:50,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348491187] [2021-03-26 06:53:50,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661677168] [2021-03-26 06:53:50,883 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 78 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 06:53:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:53:50,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:53:50,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 78 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:53:50,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:50,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:50,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:50,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:50,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:50,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:50,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:50,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:50,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:50,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:50,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:50,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:50,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:50,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:50,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:50,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:53:50,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:50,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:50,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:53:50,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:50,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:50,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:53:50,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:50,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:50,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:50,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:50,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:53:50,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:50,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:50,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:53:50,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:53:50,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:53:50,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:50,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:50,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:53:50,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:50,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:53:50,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:53:50,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:53:50,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:53:50,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:53:50,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:53:50,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:53:50,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:53:50,970 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-26 06:53:50,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:53:50,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:53:50,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:53:50,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:53:50,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:53:50,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:53:50,979 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:53:50,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:50,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:50,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:50,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:50,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:50,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:50,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:50,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:50,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:50,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:50,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:50,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:50,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:53:50,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:53:50,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:53:50,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:53:50,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-26 06:53:50,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124635417] [2021-03-26 06:53:50,984 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:53:50,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:53:50,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:53:50,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:53:50,985 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 75 [2021-03-26 06:53:50,985 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 714 places, 2282 transitions, 85778 flow. Second operand has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:53:50,985 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:53:50,985 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 75 [2021-03-26 06:53:50,985 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:53:56,778 INFO L129 PetriNetUnfolder]: 2745/6403 cut-off events. [2021-03-26 06:53:56,778 INFO L130 PetriNetUnfolder]: For 482794/482919 co-relation queries the response was YES. [2021-03-26 06:53:56,896 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104653 conditions, 6403 events. 2745/6403 cut-off events. For 482794/482919 co-relation queries the response was YES. Maximal size of possible extension queue 733. Compared 62964 event pairs, 144 based on Foata normal form. 42/6444 useless extension candidates. Maximal degree in co-relation 103756. Up to 3857 conditions per place. [2021-03-26 06:53:56,942 INFO L132 encePairwiseOnDemand]: 58/75 looper letters, 1742 selfloop transitions, 678 changer transitions 0/2427 dead transitions. [2021-03-26 06:53:56,942 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 728 places, 2427 transitions, 96304 flow [2021-03-26 06:53:56,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 06:53:56,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 06:53:56,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 328 transitions. [2021-03-26 06:53:56,943 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29155555555555557 [2021-03-26 06:53:56,943 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 328 transitions. [2021-03-26 06:53:56,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 328 transitions. [2021-03-26 06:53:56,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:53:56,943 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 328 transitions. [2021-03-26 06:53:56,943 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 21.866666666666667) internal successors, (328), 15 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:53:56,944 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 75.0) internal successors, (1200), 16 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:53:56,944 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 75.0) internal successors, (1200), 16 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:53:56,944 INFO L185 Difference]: Start difference. First operand has 714 places, 2282 transitions, 85778 flow. Second operand 15 states and 328 transitions. [2021-03-26 06:53:56,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 728 places, 2427 transitions, 96304 flow [2021-03-26 06:54:02,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 722 places, 2427 transitions, 95814 flow, removed 65 selfloop flow, removed 6 redundant places. [2021-03-26 06:54:02,594 INFO L241 Difference]: Finished difference. Result has 726 places, 2357 transitions, 90069 flow [2021-03-26 06:54:02,596 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=85196, PETRI_DIFFERENCE_MINUEND_PLACES=708, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=606, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1623, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=90069, PETRI_PLACES=726, PETRI_TRANSITIONS=2357} [2021-03-26 06:54:02,596 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 705 predicate places. [2021-03-26 06:54:02,596 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:54:02,596 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 726 places, 2357 transitions, 90069 flow [2021-03-26 06:54:02,596 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 726 places, 2357 transitions, 90069 flow [2021-03-26 06:54:02,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 726 places, 2357 transitions, 90069 flow [2021-03-26 06:54:05,275 INFO L129 PetriNetUnfolder]: 2568/6128 cut-off events. [2021-03-26 06:54:05,275 INFO L130 PetriNetUnfolder]: For 499292/499580 co-relation queries the response was YES. [2021-03-26 06:54:05,381 INFO L84 FinitePrefix]: Finished finitePrefix Result has 97868 conditions, 6128 events. 2568/6128 cut-off events. For 499292/499580 co-relation queries the response was YES. Maximal size of possible extension queue 706. Compared 61118 event pairs, 35 based on Foata normal form. 51/6167 useless extension candidates. Maximal degree in co-relation 97190. Up to 2324 conditions per place. [2021-03-26 06:54:05,459 INFO L142 LiptonReduction]: Number of co-enabled transitions 1792 [2021-03-26 06:54:06,041 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:54:06,041 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:54:06,041 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3445 [2021-03-26 06:54:06,042 INFO L480 AbstractCegarLoop]: Abstraction has has 726 places, 2357 transitions, 90069 flow [2021-03-26 06:54:06,042 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:54:06,042 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:54:06,042 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:54:06,243 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 78 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable104 [2021-03-26 06:54:06,244 INFO L428 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:54:06,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:54:06,244 INFO L82 PathProgramCache]: Analyzing trace with hash 753237235, now seen corresponding path program 1 times [2021-03-26 06:54:06,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:54:06,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901790514] [2021-03-26 06:54:06,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:54:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:54:06,260 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:54:06,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:06,265 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:54:06,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:06,270 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:54:06,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:06,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:54:06,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:06,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:54:06,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901790514] [2021-03-26 06:54:06,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17063209] [2021-03-26 06:54:06,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 79 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:54:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:54:06,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 06:54:06,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:54:06,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:06,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:06,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:06,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:06,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:06,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:06,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:06,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:06,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:06,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:06,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:06,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:06,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:06,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:06,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:06,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:06,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:54:06,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:06,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:54:06,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:54:06,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:06,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:54:06,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:06,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:06,322 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-26 06:54:06,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:54:06,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:54:06,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:06,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:54:06,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:06,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:06,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:54:06,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:06,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:54:06,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:54:06,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:54:06,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:06,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:54:06,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:54:06,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:54:06,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:54:06,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:54:06,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:54:06,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:54:06,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:54:06,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:54:06,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:54:06,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:54:06,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:54:06,344 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:54:06,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:06,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:06,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:06,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:06,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:06,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:06,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:06,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:06,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:06,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:06,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:06,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:54:06,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:54:06,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-03-26 06:54:06,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371240585] [2021-03-26 06:54:06,349 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 06:54:06,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:54:06,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 06:54:06,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-26 06:54:06,349 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 75 [2021-03-26 06:54:06,349 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 726 places, 2357 transitions, 90069 flow. Second operand has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:54:06,349 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:54:06,349 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 75 [2021-03-26 06:54:06,350 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:54:11,952 INFO L129 PetriNetUnfolder]: 2747/6414 cut-off events. [2021-03-26 06:54:11,952 INFO L130 PetriNetUnfolder]: For 504796/504810 co-relation queries the response was YES. [2021-03-26 06:54:12,068 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106539 conditions, 6414 events. 2747/6414 cut-off events. For 504796/504810 co-relation queries the response was YES. Maximal size of possible extension queue 735. Compared 62994 event pairs, 164 based on Foata normal form. 9/6423 useless extension candidates. Maximal degree in co-relation 105626. Up to 4892 conditions per place. [2021-03-26 06:54:12,111 INFO L132 encePairwiseOnDemand]: 59/75 looper letters, 2198 selfloop transitions, 170 changer transitions 0/2375 dead transitions. [2021-03-26 06:54:12,112 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 736 places, 2375 transitions, 95422 flow [2021-03-26 06:54:12,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 06:54:12,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 06:54:12,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 235 transitions. [2021-03-26 06:54:12,113 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28484848484848485 [2021-03-26 06:54:12,113 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 235 transitions. [2021-03-26 06:54:12,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 235 transitions. [2021-03-26 06:54:12,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:54:12,113 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 235 transitions. [2021-03-26 06:54:12,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 21.363636363636363) internal successors, (235), 11 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:54:12,114 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 75.0) internal successors, (900), 12 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:54:12,114 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 75.0) internal successors, (900), 12 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:54:12,114 INFO L185 Difference]: Start difference. First operand has 726 places, 2357 transitions, 90069 flow. Second operand 11 states and 235 transitions. [2021-03-26 06:54:12,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 736 places, 2375 transitions, 95422 flow [2021-03-26 06:54:17,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 727 places, 2375 transitions, 94099 flow, removed 425 selfloop flow, removed 9 redundant places. [2021-03-26 06:54:18,048 INFO L241 Difference]: Finished difference. Result has 728 places, 2359 transitions, 89150 flow [2021-03-26 06:54:18,049 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=88748, PETRI_DIFFERENCE_MINUEND_PLACES=717, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=168, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=89150, PETRI_PLACES=728, PETRI_TRANSITIONS=2359} [2021-03-26 06:54:18,049 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 707 predicate places. [2021-03-26 06:54:18,049 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:54:18,049 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 728 places, 2359 transitions, 89150 flow [2021-03-26 06:54:18,049 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 728 places, 2359 transitions, 89150 flow [2021-03-26 06:54:18,079 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 728 places, 2359 transitions, 89150 flow [2021-03-26 06:54:20,861 INFO L129 PetriNetUnfolder]: 2570/6150 cut-off events. [2021-03-26 06:54:20,861 INFO L130 PetriNetUnfolder]: For 480428/480666 co-relation queries the response was YES. [2021-03-26 06:54:20,965 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96980 conditions, 6150 events. 2570/6150 cut-off events. For 480428/480666 co-relation queries the response was YES. Maximal size of possible extension queue 713. Compared 61555 event pairs, 35 based on Foata normal form. 46/6187 useless extension candidates. Maximal degree in co-relation 96324. Up to 2326 conditions per place. [2021-03-26 06:54:21,040 INFO L142 LiptonReduction]: Number of co-enabled transitions 1794 [2021-03-26 06:54:21,596 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:54:21,596 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:54:21,597 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3548 [2021-03-26 06:54:21,597 INFO L480 AbstractCegarLoop]: Abstraction has has 728 places, 2359 transitions, 89150 flow [2021-03-26 06:54:21,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:54:21,597 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:54:21,597 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:54:21,797 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 79 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable105 [2021-03-26 06:54:21,798 INFO L428 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:54:21,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:54:21,798 INFO L82 PathProgramCache]: Analyzing trace with hash 2018945610, now seen corresponding path program 26 times [2021-03-26 06:54:21,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:54:21,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253986855] [2021-03-26 06:54:21,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:54:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:54:21,807 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:54:21,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:21,812 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:54:21,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:21,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:21,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:21,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:54:21,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:21,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:54:21,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253986855] [2021-03-26 06:54:21,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854603344] [2021-03-26 06:54:21,833 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 80 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 06:54:21,855 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:54:21,855 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 80 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:54:21,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:54:21,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:54:21,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:21,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:21,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:21,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:21,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:21,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:21,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:21,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:21,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:21,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:21,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:21,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:21,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:21,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:21,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:21,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:21,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:54:21,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:21,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:54:21,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:54:21,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:21,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:54:21,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:21,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:21,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:54:21,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:21,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:54:21,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:54:21,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:21,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:54:21,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:54:21,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:54:21,893 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-26 06:54:21,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:54:21,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:54:21,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:21,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:54:21,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:54:21,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:54:21,903 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-26 06:54:21,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:54:21,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:54:21,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:54:21,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:54:21,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:54:21,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:54:21,906 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 06:54:21,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:21,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:21,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:21,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:21,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:21,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:21,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:21,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:21,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:21,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:21,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:21,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:21,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:21,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:21,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:21,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:21,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:21,912 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:54:21,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:54:21,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-26 06:54:21,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440851254] [2021-03-26 06:54:21,913 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:54:21,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:54:21,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:54:21,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:54:21,913 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 75 [2021-03-26 06:54:21,913 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 728 places, 2359 transitions, 89150 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:54:21,913 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:54:21,913 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 75 [2021-03-26 06:54:21,913 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:54:27,984 INFO L129 PetriNetUnfolder]: 2749/6463 cut-off events. [2021-03-26 06:54:27,984 INFO L130 PetriNetUnfolder]: For 491372/491614 co-relation queries the response was YES. [2021-03-26 06:54:28,225 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105749 conditions, 6463 events. 2749/6463 cut-off events. For 491372/491614 co-relation queries the response was YES. Maximal size of possible extension queue 744. Compared 64022 event pairs, 143 based on Foata normal form. 71/6534 useless extension candidates. Maximal degree in co-relation 105140. Up to 2946 conditions per place. [2021-03-26 06:54:28,264 INFO L132 encePairwiseOnDemand]: 57/75 looper letters, 1575 selfloop transitions, 863 changer transitions 1/2446 dead transitions. [2021-03-26 06:54:28,264 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 753 places, 2446 transitions, 97456 flow [2021-03-26 06:54:28,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-26 06:54:28,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-26 06:54:28,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 535 transitions. [2021-03-26 06:54:28,266 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2743589743589744 [2021-03-26 06:54:28,266 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 535 transitions. [2021-03-26 06:54:28,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 535 transitions. [2021-03-26 06:54:28,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:54:28,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 535 transitions. [2021-03-26 06:54:28,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 20.576923076923077) internal successors, (535), 26 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:54:28,267 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 75.0) internal successors, (2025), 27 states have internal predecessors, (2025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:54:28,268 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 75.0) internal successors, (2025), 27 states have internal predecessors, (2025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:54:28,268 INFO L185 Difference]: Start difference. First operand has 728 places, 2359 transitions, 89150 flow. Second operand 26 states and 535 transitions. [2021-03-26 06:54:28,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 753 places, 2446 transitions, 97456 flow [2021-03-26 06:54:33,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 744 places, 2446 transitions, 97115 flow, removed 7 selfloop flow, removed 9 redundant places. [2021-03-26 06:54:33,328 INFO L241 Difference]: Finished difference. Result has 748 places, 2381 transitions, 92121 flow [2021-03-26 06:54:33,329 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=88723, PETRI_DIFFERENCE_MINUEND_PLACES=719, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=840, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1512, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=92121, PETRI_PLACES=748, PETRI_TRANSITIONS=2381} [2021-03-26 06:54:33,330 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 727 predicate places. [2021-03-26 06:54:33,330 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:54:33,330 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 748 places, 2381 transitions, 92121 flow [2021-03-26 06:54:33,330 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 748 places, 2381 transitions, 92121 flow [2021-03-26 06:54:33,359 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 748 places, 2381 transitions, 92121 flow [2021-03-26 06:54:36,202 INFO L129 PetriNetUnfolder]: 2572/6151 cut-off events. [2021-03-26 06:54:36,202 INFO L130 PetriNetUnfolder]: For 500588/500804 co-relation queries the response was YES. [2021-03-26 06:54:36,311 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99272 conditions, 6151 events. 2572/6151 cut-off events. For 500588/500804 co-relation queries the response was YES. Maximal size of possible extension queue 711. Compared 61516 event pairs, 37 based on Foata normal form. 36/6180 useless extension candidates. Maximal degree in co-relation 98673. Up to 2336 conditions per place. [2021-03-26 06:54:36,391 INFO L142 LiptonReduction]: Number of co-enabled transitions 1812 [2021-03-26 06:54:37,018 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:54:37,019 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:54:37,019 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3689 [2021-03-26 06:54:37,019 INFO L480 AbstractCegarLoop]: Abstraction has has 748 places, 2381 transitions, 92121 flow [2021-03-26 06:54:37,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:54:37,019 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:54:37,019 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:54:37,219 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106,80 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:54:37,220 INFO L428 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:54:37,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:54:37,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1681181227, now seen corresponding path program 23 times [2021-03-26 06:54:37,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:54:37,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076308996] [2021-03-26 06:54:37,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:54:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:54:37,368 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:54:37,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:37,372 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:54:37,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:37,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:54:37,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:54:37,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:54:37,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:37,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:54:37,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076308996] [2021-03-26 06:54:37,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203303128] [2021-03-26 06:54:37,393 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 81 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:54:37,422 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:54:37,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:54:37,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:54:37,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:54:37,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:37,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:37,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:37,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:37,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:37,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:37,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:37,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:37,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:37,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:37,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:37,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:37,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:37,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:37,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:37,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:37,438 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 06:54:37,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:54:37,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:54:37,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:37,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:54:37,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:37,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:54:37,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:54:37,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:37,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:54:37,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:54:37,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:37,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:54:37,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:37,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:37,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:54:37,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:37,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:54:37,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:54:37,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:54:37,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:37,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:54:37,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:54:37,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:54:37,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:54:37,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:54:37,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:54:37,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:54:37,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:54:37,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:54:37,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:54:37,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:54:37,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:54:37,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:54:37,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:54:37,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:54:37,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:54:37,472 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:54:37,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:37,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:37,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:37,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:37,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:37,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:37,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:37,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:37,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:37,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:37,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:37,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:37,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:37,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:54:37,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:54:37,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:54:37,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-26 06:54:37,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749041305] [2021-03-26 06:54:37,478 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 06:54:37,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:54:37,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 06:54:37,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-03-26 06:54:37,478 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 75 [2021-03-26 06:54:37,478 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 748 places, 2381 transitions, 92121 flow. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:54:37,478 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:54:37,478 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 75 [2021-03-26 06:54:37,478 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:54:43,376 INFO L129 PetriNetUnfolder]: 2751/6386 cut-off events. [2021-03-26 06:54:43,377 INFO L130 PetriNetUnfolder]: For 511337/511351 co-relation queries the response was YES. [2021-03-26 06:54:43,484 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107587 conditions, 6386 events. 2751/6386 cut-off events. For 511337/511351 co-relation queries the response was YES. Maximal size of possible extension queue 736. Compared 62597 event pairs, 159 based on Foata normal form. 25/6411 useless extension candidates. Maximal degree in co-relation 106985. Up to 4917 conditions per place. [2021-03-26 06:54:43,636 INFO L132 encePairwiseOnDemand]: 64/75 looper letters, 2291 selfloop transitions, 111 changer transitions 0/2409 dead transitions. [2021-03-26 06:54:43,636 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 757 places, 2409 transitions, 98014 flow [2021-03-26 06:54:43,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 06:54:43,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 06:54:43,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 210 transitions. [2021-03-26 06:54:43,637 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28 [2021-03-26 06:54:43,637 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 210 transitions. [2021-03-26 06:54:43,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 210 transitions. [2021-03-26 06:54:43,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:54:43,638 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 210 transitions. [2021-03-26 06:54:43,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 21.0) internal successors, (210), 10 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:54:43,639 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 75.0) internal successors, (825), 11 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:54:43,639 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 75.0) internal successors, (825), 11 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:54:43,639 INFO L185 Difference]: Start difference. First operand has 748 places, 2381 transitions, 92121 flow. Second operand 10 states and 210 transitions. [2021-03-26 06:54:43,639 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 757 places, 2409 transitions, 98014 flow [2021-03-26 06:54:49,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 743 places, 2409 transitions, 96774 flow, removed 273 selfloop flow, removed 14 redundant places. [2021-03-26 06:54:49,212 INFO L241 Difference]: Finished difference. Result has 746 places, 2394 transitions, 91844 flow [2021-03-26 06:54:49,213 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=90733, PETRI_DIFFERENCE_MINUEND_PLACES=734, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=91844, PETRI_PLACES=746, PETRI_TRANSITIONS=2394} [2021-03-26 06:54:49,213 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 725 predicate places. [2021-03-26 06:54:49,213 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:54:49,213 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 746 places, 2394 transitions, 91844 flow [2021-03-26 06:54:49,213 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 746 places, 2394 transitions, 91844 flow [2021-03-26 06:54:49,243 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 746 places, 2394 transitions, 91844 flow [2021-03-26 06:54:51,945 INFO L129 PetriNetUnfolder]: 2572/6097 cut-off events. [2021-03-26 06:54:51,945 INFO L130 PetriNetUnfolder]: For 492174/492397 co-relation queries the response was YES. [2021-03-26 06:54:52,061 INFO L84 FinitePrefix]: Finished finitePrefix Result has 98230 conditions, 6097 events. 2572/6097 cut-off events. For 492174/492397 co-relation queries the response was YES. Maximal size of possible extension queue 725. Compared 60661 event pairs, 35 based on Foata normal form. 40/6131 useless extension candidates. Maximal degree in co-relation 97518. Up to 2339 conditions per place. [2021-03-26 06:54:52,158 INFO L142 LiptonReduction]: Number of co-enabled transitions 1820 [2021-03-26 06:54:52,755 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:54:52,755 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:54:52,755 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3542 [2021-03-26 06:54:52,755 INFO L480 AbstractCegarLoop]: Abstraction has has 746 places, 2394 transitions, 91844 flow [2021-03-26 06:54:52,755 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:54:52,755 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:54:52,755 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:54:52,956 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 81 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable107 [2021-03-26 06:54:52,956 INFO L428 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:54:52,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:54:52,956 INFO L82 PathProgramCache]: Analyzing trace with hash 610920973, now seen corresponding path program 1 times [2021-03-26 06:54:52,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:54:52,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565960396] [2021-03-26 06:54:52,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:54:52,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:54:52,971 INFO L142 QuantifierPusher]: treesize reduction 29, result has 55.4 percent of original size [2021-03-26 06:54:52,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 06:54:53,004 INFO L142 QuantifierPusher]: treesize reduction 37, result has 63.4 percent of original size [2021-03-26 06:54:53,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 06:54:53,049 INFO L142 QuantifierPusher]: treesize reduction 37, result has 63.4 percent of original size [2021-03-26 06:54:53,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 06:54:53,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:54:53,108 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 06:54:53,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:54:53,269 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2021-03-26 06:54:53,270 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 06:54:53,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:53,282 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:54:53,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565960396] [2021-03-26 06:54:53,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704152225] [2021-03-26 06:54:53,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 06:54:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:54:53,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 23 conjunts are in the unsatisfiable core [2021-03-26 06:54:53,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:54:53,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:54:53,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:54:53,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:54:53,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 Waiting until toolchain timeout for monitored process 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:54:53,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:54:53,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:54:53,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:54:53,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:54:53,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:54:53,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:54:53,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:54:53,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:54:53,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:54:53,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:54:53,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:54:53,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:54:53,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:54:53,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:54:53,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:54:53,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:54:53,351 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-03-26 06:54:53,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:54:53,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:54:53,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:53,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 06:54:53,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:54:53,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:54:53,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,372 INFO L147 QuantifierPusher]: treesize reduction 7, result has 88.5 percent of original size 54 [2021-03-26 06:54:53,373 INFO L142 QuantifierPusher]: treesize reduction 7, result has 88.7 percent of original size [2021-03-26 06:54:53,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:54:53,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:54:53,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 06:54:53,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 06:54:53,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 06:54:53,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,402 INFO L147 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size 84 [2021-03-26 06:54:53,402 INFO L142 QuantifierPusher]: treesize reduction 6, result has 93.4 percent of original size [2021-03-26 06:54:53,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:54:53,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 06:54:53,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-26 06:54:53,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:54:53,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 06:54:53,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-26 06:54:53,428 INFO L354 Elim1Store]: treesize reduction 43, result has 21.8 percent of original size [2021-03-26 06:54:53,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 61 [2021-03-26 06:54:53,429 INFO L142 QuantifierPusher]: treesize reduction 7, result has 88.7 percent of original size [2021-03-26 06:54:53,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:54:53,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:54:53,436 INFO L147 QuantifierPusher]: treesize reduction 5, result has 87.2 percent of original size 34 [2021-03-26 06:54:53,436 INFO L142 QuantifierPusher]: treesize reduction 22, result has 43.6 percent of original size [2021-03-26 06:54:53,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:54:53,437 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:54:53,444 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:54:53,445 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:54:53,445 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:84, output treesize:17 [2021-03-26 06:54:53,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:54:53,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:54:53,464 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-03-26 06:54:53,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:54:53,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:54:53,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:54:53,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:54:53,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,468 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 06:54:53,469 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:54:53,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:54:53,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:54:53,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:54:53,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:53,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:53,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:53,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:53,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:53,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:53,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:53,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:53,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:53,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:53,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:53,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:53,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:53,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:53,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:53,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:54:53,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:54:53,489 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:54:53,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:54:53,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-03-26 06:54:53,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267172327] [2021-03-26 06:54:53,489 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 06:54:53,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:54:53,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 06:54:53,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-03-26 06:54:53,490 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 75 [2021-03-26 06:54:53,490 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 746 places, 2394 transitions, 91844 flow. Second operand has 13 states, 13 states have (on average 15.076923076923077) internal successors, (196), 13 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:54:53,490 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:54:53,490 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 75 [2021-03-26 06:54:53,490 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:54:59,775 INFO L129 PetriNetUnfolder]: 2759/6398 cut-off events. [2021-03-26 06:54:59,775 INFO L130 PetriNetUnfolder]: For 503702/503942 co-relation queries the response was YES. [2021-03-26 06:54:59,882 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107272 conditions, 6398 events. 2759/6398 cut-off events. For 503702/503942 co-relation queries the response was YES. Maximal size of possible extension queue 738. Compared 62853 event pairs, 159 based on Foata normal form. 93/6491 useless extension candidates. Maximal degree in co-relation 106438. Up to 5317 conditions per place. [2021-03-26 06:54:59,920 INFO L132 encePairwiseOnDemand]: 61/75 looper letters, 2344 selfloop transitions, 59 changer transitions 4/2413 dead transitions. [2021-03-26 06:54:59,920 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 757 places, 2413 transitions, 97326 flow [2021-03-26 06:54:59,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 06:54:59,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 06:54:59,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 229 transitions. [2021-03-26 06:54:59,921 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2544444444444444 [2021-03-26 06:54:59,921 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 229 transitions. [2021-03-26 06:54:59,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 229 transitions. [2021-03-26 06:54:59,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:54:59,921 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 229 transitions. [2021-03-26 06:54:59,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 19.083333333333332) internal successors, (229), 12 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:54:59,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 75.0) internal successors, (975), 13 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:54:59,922 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 75.0) internal successors, (975), 13 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:54:59,922 INFO L185 Difference]: Start difference. First operand has 746 places, 2394 transitions, 91844 flow. Second operand 12 states and 229 transitions. [2021-03-26 06:54:59,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 757 places, 2413 transitions, 97326 flow [2021-03-26 06:55:05,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 753 places, 2413 transitions, 97224 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-03-26 06:55:05,584 INFO L241 Difference]: Finished difference. Result has 756 places, 2406 transitions, 92274 flow [2021-03-26 06:55:05,585 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=91742, PETRI_DIFFERENCE_MINUEND_PLACES=742, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=92274, PETRI_PLACES=756, PETRI_TRANSITIONS=2406} [2021-03-26 06:55:05,585 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 735 predicate places. [2021-03-26 06:55:05,586 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:55:05,586 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 756 places, 2406 transitions, 92274 flow [2021-03-26 06:55:05,586 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 756 places, 2406 transitions, 92274 flow [2021-03-26 06:55:05,618 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 756 places, 2406 transitions, 92274 flow [2021-03-26 06:55:08,406 INFO L129 PetriNetUnfolder]: 2577/6107 cut-off events. [2021-03-26 06:55:08,407 INFO L130 PetriNetUnfolder]: For 493338/493568 co-relation queries the response was YES. [2021-03-26 06:55:08,517 INFO L84 FinitePrefix]: Finished finitePrefix Result has 98584 conditions, 6107 events. 2577/6107 cut-off events. For 493338/493568 co-relation queries the response was YES. Maximal size of possible extension queue 727. Compared 60880 event pairs, 36 based on Foata normal form. 36/6137 useless extension candidates. Maximal degree in co-relation 97869. Up to 2348 conditions per place. [2021-03-26 06:55:08,596 INFO L142 LiptonReduction]: Number of co-enabled transitions 1828 [2021-03-26 06:55:10,301 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:55:10,301 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 06:55:10,301 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4715 [2021-03-26 06:55:10,302 INFO L480 AbstractCegarLoop]: Abstraction has has 756 places, 2406 transitions, 92370 flow [2021-03-26 06:55:10,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.076923076923077) internal successors, (196), 13 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:55:10,302 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:55:10,302 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:55:10,502 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108,82 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:55:10,502 INFO L428 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:55:10,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:55:10,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1535714162, now seen corresponding path program 27 times [2021-03-26 06:55:10,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:55:10,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49945897] [2021-03-26 06:55:10,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:55:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:55:10,514 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:55:10,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:10,519 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:55:10,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:10,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:10,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:10,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:55:10,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:10,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:55:10,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49945897] [2021-03-26 06:55:10,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082358568] [2021-03-26 06:55:10,539 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:55:10,560 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-26 06:55:10,560 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:55:10,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:55:10,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:55:10,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:10,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:10,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:10,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:10,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:10,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:10,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:10,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:10,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:10,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:10,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:10,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:10,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:10,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:10,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:10,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:10,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:10,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:10,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:55:10,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:10,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:10,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:55:10,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:10,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:10,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:10,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:10,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:55:10,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:10,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:10,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:55:10,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:55:10,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:55:10,611 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-26 06:55:10,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:55:10,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:10,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:10,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:55:10,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:55:10,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:55:10,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:10,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:10,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:55:10,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:10,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:10,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:10,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:55:10,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:55:10,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:55:10,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:55:10,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:55:10,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:55:10,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:55:10,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:55:10,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:55:10,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:55:10,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:55:10,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:55:10,633 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:55:10,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:10,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:10,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:10,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:10,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:10,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:10,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:10,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:10,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:10,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:10,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:10,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:55:10,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:55:10,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-26 06:55:10,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109104337] [2021-03-26 06:55:10,638 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:55:10,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:55:10,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:55:10,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:55:10,638 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 78 [2021-03-26 06:55:10,638 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 756 places, 2406 transitions, 92370 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:55:10,638 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:55:10,638 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 78 [2021-03-26 06:55:10,638 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:55:17,432 INFO L129 PetriNetUnfolder]: 2756/6379 cut-off events. [2021-03-26 06:55:17,432 INFO L130 PetriNetUnfolder]: For 503954/504047 co-relation queries the response was YES. [2021-03-26 06:55:17,548 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107213 conditions, 6379 events. 2756/6379 cut-off events. For 503954/504047 co-relation queries the response was YES. Maximal size of possible extension queue 737. Compared 62547 event pairs, 144 based on Foata normal form. 32/6411 useless extension candidates. Maximal degree in co-relation 106376. Up to 3868 conditions per place. [2021-03-26 06:55:17,589 INFO L132 encePairwiseOnDemand]: 58/78 looper letters, 1742 selfloop transitions, 697 changer transitions 0/2446 dead transitions. [2021-03-26 06:55:17,589 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 769 places, 2446 transitions, 98651 flow [2021-03-26 06:55:17,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 06:55:17,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 06:55:17,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 322 transitions. [2021-03-26 06:55:17,590 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27521367521367524 [2021-03-26 06:55:17,591 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 322 transitions. [2021-03-26 06:55:17,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 322 transitions. [2021-03-26 06:55:17,591 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:55:17,591 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 322 transitions. [2021-03-26 06:55:17,591 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 21.466666666666665) internal successors, (322), 15 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:55:17,591 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 78.0) internal successors, (1248), 16 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:55:17,592 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 78.0) internal successors, (1248), 16 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:55:17,592 INFO L185 Difference]: Start difference. First operand has 756 places, 2406 transitions, 92370 flow. Second operand 15 states and 322 transitions. [2021-03-26 06:55:17,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 769 places, 2446 transitions, 98651 flow [2021-03-26 06:55:22,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 765 places, 2446 transitions, 98454 flow, removed 82 selfloop flow, removed 4 redundant places. [2021-03-26 06:55:22,913 INFO L241 Difference]: Finished difference. Result has 767 places, 2407 transitions, 93785 flow [2021-03-26 06:55:22,914 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=92105, PETRI_DIFFERENCE_MINUEND_PLACES=751, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=694, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1707, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=93785, PETRI_PLACES=767, PETRI_TRANSITIONS=2407} [2021-03-26 06:55:22,914 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 746 predicate places. [2021-03-26 06:55:22,914 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:55:22,914 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 767 places, 2407 transitions, 93785 flow [2021-03-26 06:55:22,914 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 767 places, 2407 transitions, 93785 flow [2021-03-26 06:55:22,944 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 767 places, 2407 transitions, 93785 flow [2021-03-26 06:55:25,864 INFO L129 PetriNetUnfolder]: 2575/6112 cut-off events. [2021-03-26 06:55:25,865 INFO L130 PetriNetUnfolder]: For 501333/501555 co-relation queries the response was YES. [2021-03-26 06:55:25,993 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99565 conditions, 6112 events. 2575/6112 cut-off events. For 501333/501555 co-relation queries the response was YES. Maximal size of possible extension queue 727. Compared 61033 event pairs, 37 based on Foata normal form. 48/6156 useless extension candidates. Maximal degree in co-relation 98846. Up to 2339 conditions per place. [2021-03-26 06:55:26,091 INFO L142 LiptonReduction]: Number of co-enabled transitions 1828 [2021-03-26 06:55:26,692 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:55:26,692 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:55:26,692 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3778 [2021-03-26 06:55:26,693 INFO L480 AbstractCegarLoop]: Abstraction has has 767 places, 2407 transitions, 93785 flow [2021-03-26 06:55:26,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:55:26,693 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:55:26,693 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:55:26,893 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110,83 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:55:26,893 INFO L428 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:55:26,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:55:26,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1608778736, now seen corresponding path program 1 times [2021-03-26 06:55:26,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:55:26,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736783521] [2021-03-26 06:55:26,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:55:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:55:26,900 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:55:26,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:26,904 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:55:26,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:26,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:55:26,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:55:26,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:26,919 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:55:26,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736783521] [2021-03-26 06:55:26,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986725855] [2021-03-26 06:55:26,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 84 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 84 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:55:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:55:26,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 06:55:26,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:55:26,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:26,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:26,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:26,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:26,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:26,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:26,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:26,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:26,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:26,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:26,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:26,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:26,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:26,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:26,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:26,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:26,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:26,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:26,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:55:26,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:26,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:26,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:55:26,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:26,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:26,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:26,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:26,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:26,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:26,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:26,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:26,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:55:26,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:26,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:26,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:55:26,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:26,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:26,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:26,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:55:26,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:55:26,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:26,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:26,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:55:26,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:55:26,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:55:26,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:55:26,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:55:26,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:55:26,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:55:26,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:55:26,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:55:26,993 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:55:26,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:26,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:26,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:26,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:26,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:26,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:26,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:26,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:26,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:26,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:26,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:26,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:26,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:27,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:27,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:27,000 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:55:27,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:55:27,000 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-03-26 06:55:27,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816425044] [2021-03-26 06:55:27,001 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 06:55:27,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:55:27,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 06:55:27,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-03-26 06:55:27,001 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 78 [2021-03-26 06:55:27,001 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 767 places, 2407 transitions, 93785 flow. Second operand has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:55:27,001 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:55:27,001 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 78 [2021-03-26 06:55:27,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:55:32,950 INFO L129 PetriNetUnfolder]: 2767/6439 cut-off events. [2021-03-26 06:55:32,950 INFO L130 PetriNetUnfolder]: For 524302/524542 co-relation queries the response was YES. [2021-03-26 06:55:33,064 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109055 conditions, 6439 events. 2767/6439 cut-off events. For 524302/524542 co-relation queries the response was YES. Maximal size of possible extension queue 746. Compared 63543 event pairs, 166 based on Foata normal form. 94/6533 useless extension candidates. Maximal degree in co-relation 108211. Up to 4274 conditions per place. [2021-03-26 06:55:33,223 INFO L132 encePairwiseOnDemand]: 62/78 looper letters, 1999 selfloop transitions, 470 changer transitions 1/2477 dead transitions. [2021-03-26 06:55:33,223 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 776 places, 2477 transitions, 101398 flow [2021-03-26 06:55:33,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 06:55:33,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 06:55:33,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 225 transitions. [2021-03-26 06:55:33,224 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28846153846153844 [2021-03-26 06:55:33,224 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 225 transitions. [2021-03-26 06:55:33,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 225 transitions. [2021-03-26 06:55:33,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:55:33,224 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 225 transitions. [2021-03-26 06:55:33,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 22.5) internal successors, (225), 10 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:55:33,225 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 78.0) internal successors, (858), 11 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:55:33,225 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 78.0) internal successors, (858), 11 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:55:33,225 INFO L185 Difference]: Start difference. First operand has 767 places, 2407 transitions, 93785 flow. Second operand 10 states and 225 transitions. [2021-03-26 06:55:33,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 776 places, 2477 transitions, 101398 flow [2021-03-26 06:55:38,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 763 places, 2477 transitions, 100054 flow, removed 23 selfloop flow, removed 13 redundant places. [2021-03-26 06:55:38,898 INFO L241 Difference]: Finished difference. Result has 765 places, 2416 transitions, 94272 flow [2021-03-26 06:55:38,899 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=92447, PETRI_DIFFERENCE_MINUEND_PLACES=754, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2407, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=463, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1941, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=94272, PETRI_PLACES=765, PETRI_TRANSITIONS=2416} [2021-03-26 06:55:38,899 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 744 predicate places. [2021-03-26 06:55:38,899 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:55:38,899 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 765 places, 2416 transitions, 94272 flow [2021-03-26 06:55:38,899 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 765 places, 2416 transitions, 94272 flow [2021-03-26 06:55:38,929 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 765 places, 2416 transitions, 94272 flow [2021-03-26 06:55:41,643 INFO L129 PetriNetUnfolder]: 2586/6156 cut-off events. [2021-03-26 06:55:41,643 INFO L130 PetriNetUnfolder]: For 512271/512498 co-relation queries the response was YES. [2021-03-26 06:55:41,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100473 conditions, 6156 events. 2586/6156 cut-off events. For 512271/512498 co-relation queries the response was YES. Maximal size of possible extension queue 733. Compared 61619 event pairs, 35 based on Foata normal form. 34/6184 useless extension candidates. Maximal degree in co-relation 99751. Up to 2359 conditions per place. [2021-03-26 06:55:41,838 INFO L142 LiptonReduction]: Number of co-enabled transitions 1828 [2021-03-26 06:55:42,644 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:55:42,644 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:55:42,644 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3745 [2021-03-26 06:55:42,644 INFO L480 AbstractCegarLoop]: Abstraction has has 765 places, 2416 transitions, 94272 flow [2021-03-26 06:55:42,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:55:42,644 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:55:42,644 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:55:42,844 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 84 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable111 [2021-03-26 06:55:42,845 INFO L428 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:55:42,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:55:42,845 INFO L82 PathProgramCache]: Analyzing trace with hash 308332302, now seen corresponding path program 28 times [2021-03-26 06:55:42,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:55:42,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125550950] [2021-03-26 06:55:42,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:55:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:55:42,849 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:55:42,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:42,854 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:55:42,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:42,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:42,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:55:42,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:55:42,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:42,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:55:42,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125550950] [2021-03-26 06:55:42,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106248808] [2021-03-26 06:55:42,875 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 85 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 85 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:55:42,913 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 06:55:42,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:55:42,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:55:42,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:55:42,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:42,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:42,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:42,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:42,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:42,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:42,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:42,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:42,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:42,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:42,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:42,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:42,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:42,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:42,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:42,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:42,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:42,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:42,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:55:42,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:42,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:42,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:55:42,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:42,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:42,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:42,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:42,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:55:42,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:42,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:42,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:55:42,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:55:42,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:55:42,953 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-26 06:55:42,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:55:42,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:42,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:55:42,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:55:42,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:55:42,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:55:42,956 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-03-26 06:55:42,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:42,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:42,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:55:42,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:55:42,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:55:42,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:55:42,959 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 06:55:42,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:42,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:42,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:42,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:42,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:42,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:42,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:42,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:42,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:42,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:42,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:42,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:42,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:42,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:42,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:42,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:42,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:55:42,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:55:42,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:55:42,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-26 06:55:42,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128342683] [2021-03-26 06:55:42,965 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 06:55:42,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:55:42,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 06:55:42,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-26 06:55:42,966 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 78 [2021-03-26 06:55:42,966 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 765 places, 2416 transitions, 94272 flow. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:55:42,966 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:55:42,966 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 78 [2021-03-26 06:55:42,966 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:55:49,565 INFO L129 PetriNetUnfolder]: 2768/6505 cut-off events. [2021-03-26 06:55:49,565 INFO L130 PetriNetUnfolder]: For 528076/528313 co-relation queries the response was YES. [2021-03-26 06:55:49,674 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109531 conditions, 6505 events. 2768/6505 cut-off events. For 528076/528313 co-relation queries the response was YES. Maximal size of possible extension queue 758. Compared 64696 event pairs, 146 based on Foata normal form. 99/6604 useless extension candidates. Maximal degree in co-relation 108817. Up to 2968 conditions per place. [2021-03-26 06:55:49,710 INFO L132 encePairwiseOnDemand]: 57/78 looper letters, 1535 selfloop transitions, 941 changer transitions 1/2484 dead transitions. [2021-03-26 06:55:49,710 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 788 places, 2484 transitions, 101930 flow [2021-03-26 06:55:49,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-26 06:55:49,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-26 06:55:49,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 501 transitions. [2021-03-26 06:55:49,712 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2676282051282051 [2021-03-26 06:55:49,712 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 501 transitions. [2021-03-26 06:55:49,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 501 transitions. [2021-03-26 06:55:49,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:55:49,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 501 transitions. [2021-03-26 06:55:49,712 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 20.875) internal successors, (501), 24 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:55:49,713 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 78.0) internal successors, (1950), 25 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:55:49,713 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 78.0) internal successors, (1950), 25 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:55:49,713 INFO L185 Difference]: Start difference. First operand has 765 places, 2416 transitions, 94272 flow. Second operand 24 states and 501 transitions. [2021-03-26 06:55:49,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 788 places, 2484 transitions, 101930 flow [2021-03-26 06:55:55,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 784 places, 2484 transitions, 101730 flow, removed 58 selfloop flow, removed 4 redundant places. [2021-03-26 06:55:55,313 INFO L241 Difference]: Finished difference. Result has 788 places, 2436 transitions, 97279 flow [2021-03-26 06:55:55,314 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=93838, PETRI_DIFFERENCE_MINUEND_PLACES=761, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=916, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1484, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=97279, PETRI_PLACES=788, PETRI_TRANSITIONS=2436} [2021-03-26 06:55:55,314 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 767 predicate places. [2021-03-26 06:55:55,314 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:55:55,314 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 788 places, 2436 transitions, 97279 flow [2021-03-26 06:55:55,314 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 788 places, 2436 transitions, 97279 flow [2021-03-26 06:55:55,346 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 788 places, 2436 transitions, 97279 flow [2021-03-26 06:55:58,227 INFO L129 PetriNetUnfolder]: 2595/6238 cut-off events. [2021-03-26 06:55:58,228 INFO L130 PetriNetUnfolder]: For 532552/532785 co-relation queries the response was YES. [2021-03-26 06:55:58,520 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103075 conditions, 6238 events. 2595/6238 cut-off events. For 532552/532785 co-relation queries the response was YES. Maximal size of possible extension queue 730. Compared 62923 event pairs, 38 based on Foata normal form. 42/6274 useless extension candidates. Maximal degree in co-relation 102365. Up to 2367 conditions per place. [2021-03-26 06:55:58,598 INFO L142 LiptonReduction]: Number of co-enabled transitions 1848 [2021-03-26 06:55:59,252 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:55:59,252 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:55:59,252 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3938 [2021-03-26 06:55:59,252 INFO L480 AbstractCegarLoop]: Abstraction has has 788 places, 2436 transitions, 97279 flow [2021-03-26 06:55:59,252 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:55:59,252 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:55:59,252 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:55:59,452 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 85 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable112 [2021-03-26 06:55:59,453 INFO L428 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:55:59,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:55:59,453 INFO L82 PathProgramCache]: Analyzing trace with hash -643184884, now seen corresponding path program 1 times [2021-03-26 06:55:59,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:55:59,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768579372] [2021-03-26 06:55:59,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:55:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:55:59,467 INFO L142 QuantifierPusher]: treesize reduction 21, result has 38.2 percent of original size [2021-03-26 06:55:59,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:55:59,475 INFO L142 QuantifierPusher]: treesize reduction 92, result has 34.8 percent of original size [2021-03-26 06:55:59,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 06:55:59,499 INFO L142 QuantifierPusher]: treesize reduction 92, result has 34.8 percent of original size [2021-03-26 06:55:59,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 06:55:59,525 INFO L142 QuantifierPusher]: treesize reduction 22, result has 69.0 percent of original size [2021-03-26 06:55:59,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 06:55:59,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:55:59,563 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 06:55:59,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:59,571 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:55:59,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768579372] [2021-03-26 06:55:59,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269904312] [2021-03-26 06:55:59,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 86 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 86 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:55:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:55:59,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 24 conjunts are in the unsatisfiable core [2021-03-26 06:55:59,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:55:59,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:55:59,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:55:59,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:55:59,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:55:59,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:55:59,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:55:59,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:55:59,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:55:59,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:55:59,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:55:59,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:55:59,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:55:59,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:55:59,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:55:59,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:55:59,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:55:59,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,612 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-26 06:55:59,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:55:59,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 06:55:59,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:55:59,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 06:55:59,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:55:59,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 06:55:59,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:55:59,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 06:55:59,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:55:59,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 06:55:59,632 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size [2021-03-26 06:55:59,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:55:59,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:55:59,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:55:59,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:55:59,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:55:59,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 06:55:59,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:55:59,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 06:55:59,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:55:59,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 06:55:59,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,657 INFO L142 QuantifierPusher]: treesize reduction 8, result has 88.6 percent of original size [2021-03-26 06:55:59,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 06:55:59,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 06:55:59,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 06:55:59,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 06:55:59,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 06:55:59,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 06:55:59,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 06:55:59,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 06:55:59,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 06:55:59,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 06:55:59,690 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.6 percent of original size [2021-03-26 06:55:59,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 06:55:59,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 06:55:59,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-26 06:55:59,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-26 06:55:59,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 06:55:59,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 06:55:59,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 06:55:59,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 06:55:59,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 06:55:59,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 06:55:59,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 06:55:59,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 06:55:59,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 06:55:59,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 06:55:59,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 06:55:59,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 06:55:59,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 06:55:59,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 06:55:59,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 06:55:59,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 06:55:59,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,752 INFO L142 QuantifierPusher]: treesize reduction 7, result has 81.6 percent of original size [2021-03-26 06:55:59,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 06:55:59,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 06:55:59,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 06:55:59,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 06:55:59,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:55:59,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 06:55:59,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:55:59,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:55:59,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:55:59,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 06:55:59,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 06:55:59,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 06:55:59,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 06:55:59,766 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-26 06:55:59,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-03-26 06:55:59,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:55:59,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:55:59,768 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:55:59,773 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:55:59,775 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:55:59,775 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:3 [2021-03-26 06:55:59,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:55:59,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:55:59,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:59,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:59,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:59,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:59,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:59,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:59,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:59,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:59,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:59,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:59,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:59,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:55:59,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:55:59,791 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:55:59,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:55:59,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-03-26 06:55:59,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938281339] [2021-03-26 06:55:59,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 06:55:59,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:55:59,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 06:55:59,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-03-26 06:55:59,792 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 78 [2021-03-26 06:55:59,793 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 788 places, 2436 transitions, 97279 flow. Second operand has 13 states, 13 states have (on average 15.076923076923077) internal successors, (196), 13 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:55:59,793 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:55:59,793 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 78 [2021-03-26 06:55:59,793 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:56:06,837 INFO L129 PetriNetUnfolder]: 2768/6473 cut-off events. [2021-03-26 06:56:06,837 INFO L130 PetriNetUnfolder]: For 548043/548057 co-relation queries the response was YES. [2021-03-26 06:56:06,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111801 conditions, 6473 events. 2768/6473 cut-off events. For 548043/548057 co-relation queries the response was YES. Maximal size of possible extension queue 753. Compared 64059 event pairs, 173 based on Foata normal form. 8/6481 useless extension candidates. Maximal degree in co-relation 111079. Up to 5370 conditions per place. [2021-03-26 06:56:06,986 INFO L132 encePairwiseOnDemand]: 64/78 looper letters, 2400 selfloop transitions, 37 changer transitions 1/2444 dead transitions. [2021-03-26 06:56:06,986 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 796 places, 2444 transitions, 102387 flow [2021-03-26 06:56:06,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 06:56:06,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 06:56:06,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 175 transitions. [2021-03-26 06:56:06,987 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2492877492877493 [2021-03-26 06:56:06,987 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 175 transitions. [2021-03-26 06:56:06,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 175 transitions. [2021-03-26 06:56:06,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:56:06,987 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 175 transitions. [2021-03-26 06:56:06,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 19.444444444444443) internal successors, (175), 9 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:56:06,987 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 78.0) internal successors, (780), 10 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:56:06,988 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 78.0) internal successors, (780), 10 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:56:06,988 INFO L185 Difference]: Start difference. First operand has 788 places, 2436 transitions, 97279 flow. Second operand 9 states and 175 transitions. [2021-03-26 06:56:06,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 796 places, 2444 transitions, 102387 flow [2021-03-26 06:56:12,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 782 places, 2444 transitions, 101263 flow, removed 95 selfloop flow, removed 14 redundant places. [2021-03-26 06:56:12,735 INFO L241 Difference]: Finished difference. Result has 785 places, 2441 transitions, 96416 flow [2021-03-26 06:56:12,736 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=96155, PETRI_DIFFERENCE_MINUEND_PLACES=774, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=96416, PETRI_PLACES=785, PETRI_TRANSITIONS=2441} [2021-03-26 06:56:12,736 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 764 predicate places. [2021-03-26 06:56:12,736 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:56:12,736 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 785 places, 2441 transitions, 96416 flow [2021-03-26 06:56:12,736 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 785 places, 2441 transitions, 96416 flow [2021-03-26 06:56:12,765 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 785 places, 2441 transitions, 96416 flow [2021-03-26 06:56:15,537 INFO L129 PetriNetUnfolder]: 2595/6245 cut-off events. [2021-03-26 06:56:15,537 INFO L130 PetriNetUnfolder]: For 527417/527649 co-relation queries the response was YES. [2021-03-26 06:56:15,655 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102584 conditions, 6245 events. 2595/6245 cut-off events. For 527417/527649 co-relation queries the response was YES. Maximal size of possible extension queue 739. Compared 62937 event pairs, 36 based on Foata normal form. 50/6290 useless extension candidates. Maximal degree in co-relation 101865. Up to 2346 conditions per place. [2021-03-26 06:56:15,900 INFO L142 LiptonReduction]: Number of co-enabled transitions 1850 [2021-03-26 06:56:17,489 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:56:17,490 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 06:56:17,490 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4754 [2021-03-26 06:56:17,490 INFO L480 AbstractCegarLoop]: Abstraction has has 785 places, 2441 transitions, 96460 flow [2021-03-26 06:56:17,490 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.076923076923077) internal successors, (196), 13 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:56:17,490 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:56:17,490 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:56:17,690 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 86 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable113 [2021-03-26 06:56:17,691 INFO L428 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:56:17,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:56:17,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1941235988, now seen corresponding path program 1 times [2021-03-26 06:56:17,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:56:17,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795823242] [2021-03-26 06:56:17,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:56:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:56:17,696 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:56:17,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:17,701 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:56:17,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:56:17,707 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:56:17,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:56:17,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:56:17,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:56:17,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:17,724 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:56:17,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795823242] [2021-03-26 06:56:17,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489610806] [2021-03-26 06:56:17,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 87 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 06:56:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:56:17,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 06:56:17,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:56:17,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:17,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:17,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:17,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 Waiting until toolchain timeout for monitored process 87 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:56:17,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:17,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:17,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:17,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:17,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:17,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:17,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:17,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:17,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:17,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:17,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:17,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:17,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:56:17,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:56:17,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:56:17,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:56:17,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:56:17,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:56:17,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:56:17,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:56:17,790 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-26 06:56:17,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:56:17,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:56:17,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:56:17,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:56:17,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:56:17,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:56:17,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:56:17,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:56:17,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:56:17,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:56:17,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:56:17,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:56:17,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:56:17,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:56:17,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:56:17,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:56:17,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:56:17,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:56:17,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:56:17,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:56:17,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:56:17,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:56:17,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:56:17,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:56:17,818 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:56:17,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:17,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:17,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:17,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:17,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:17,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:17,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:17,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:17,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:17,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:17,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:17,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:17,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:17,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:17,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:17,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:17,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:17,827 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:56:17,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:56:17,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-26 06:56:17,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466767306] [2021-03-26 06:56:17,827 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 06:56:17,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:56:17,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 06:56:17,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-26 06:56:17,828 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 79 [2021-03-26 06:56:17,828 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 785 places, 2441 transitions, 96460 flow. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:56:17,828 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:56:17,828 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 79 [2021-03-26 06:56:17,828 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:56:24,505 INFO L129 PetriNetUnfolder]: 2774/6490 cut-off events. [2021-03-26 06:56:24,506 INFO L130 PetriNetUnfolder]: For 541539/541787 co-relation queries the response was YES. [2021-03-26 06:56:24,626 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111220 conditions, 6490 events. 2774/6490 cut-off events. For 541539/541787 co-relation queries the response was YES. Maximal size of possible extension queue 758. Compared 64297 event pairs, 154 based on Foata normal form. 73/6563 useless extension candidates. Maximal degree in co-relation 110505. Up to 4945 conditions per place. [2021-03-26 06:56:24,666 INFO L132 encePairwiseOnDemand]: 58/79 looper letters, 2268 selfloop transitions, 192 changer transitions 0/2467 dead transitions. [2021-03-26 06:56:24,666 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 797 places, 2467 transitions, 102320 flow [2021-03-26 06:56:24,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 06:56:24,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 06:56:24,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 277 transitions. [2021-03-26 06:56:24,667 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2697176241480039 [2021-03-26 06:56:24,667 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 277 transitions. [2021-03-26 06:56:24,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 277 transitions. [2021-03-26 06:56:24,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:56:24,668 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 277 transitions. [2021-03-26 06:56:24,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 21.307692307692307) internal successors, (277), 13 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:56:24,668 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 79.0) internal successors, (1106), 14 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:56:24,668 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 79.0) internal successors, (1106), 14 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:56:24,669 INFO L185 Difference]: Start difference. First operand has 785 places, 2441 transitions, 96460 flow. Second operand 13 states and 277 transitions. [2021-03-26 06:56:24,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 797 places, 2467 transitions, 102320 flow [2021-03-26 06:56:30,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 794 places, 2467 transitions, 102158 flow, removed 58 selfloop flow, removed 3 redundant places. [2021-03-26 06:56:30,767 INFO L241 Difference]: Finished difference. Result has 795 places, 2447 transitions, 96884 flow [2021-03-26 06:56:30,768 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=96298, PETRI_DIFFERENCE_MINUEND_PLACES=782, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2441, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=186, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=96884, PETRI_PLACES=795, PETRI_TRANSITIONS=2447} [2021-03-26 06:56:30,769 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 774 predicate places. [2021-03-26 06:56:30,769 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:56:30,769 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 795 places, 2447 transitions, 96884 flow [2021-03-26 06:56:30,769 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 795 places, 2447 transitions, 96884 flow [2021-03-26 06:56:30,801 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 795 places, 2447 transitions, 96884 flow [2021-03-26 06:56:33,602 INFO L129 PetriNetUnfolder]: 2601/6257 cut-off events. [2021-03-26 06:56:33,602 INFO L130 PetriNetUnfolder]: For 532658/532903 co-relation queries the response was YES. [2021-03-26 06:56:33,711 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102912 conditions, 6257 events. 2601/6257 cut-off events. For 532658/532903 co-relation queries the response was YES. Maximal size of possible extension queue 739. Compared 63150 event pairs, 34 based on Foata normal form. 52/6304 useless extension candidates. Maximal degree in co-relation 102188. Up to 2351 conditions per place. [2021-03-26 06:56:33,786 INFO L142 LiptonReduction]: Number of co-enabled transitions 1856 [2021-03-26 06:56:34,407 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:56:34,407 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:56:34,407 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3638 [2021-03-26 06:56:34,407 INFO L480 AbstractCegarLoop]: Abstraction has has 795 places, 2447 transitions, 96884 flow [2021-03-26 06:56:34,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:56:34,407 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:56:34,407 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:56:34,608 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 87 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable114 [2021-03-26 06:56:34,608 INFO L428 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:56:34,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:56:34,608 INFO L82 PathProgramCache]: Analyzing trace with hash 1740752425, now seen corresponding path program 1 times [2021-03-26 06:56:34,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:56:34,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253905508] [2021-03-26 06:56:34,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:56:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:56:34,618 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:56:34,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:34,623 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:56:34,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:56:34,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:56:34,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:56:34,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:34,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:56:34,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253905508] [2021-03-26 06:56:34,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494228845] [2021-03-26 06:56:34,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 88 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 88 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:56:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:56:34,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:56:34,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:56:34,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:34,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:34,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:34,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:34,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:34,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:34,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:34,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:34,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:34,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:34,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:34,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:34,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:34,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:34,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:34,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:34,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:56:34,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:34,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:56:34,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:56:34,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:34,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:56:34,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:34,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:34,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:34,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:34,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:34,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:34,711 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-03-26 06:56:34,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:56:34,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:56:34,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:56:34,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:56:34,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:56:34,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:56:34,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:56:34,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:56:34,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:56:34,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:56:34,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:56:34,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:56:34,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:56:34,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:56:34,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:56:34,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:56:34,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:56:34,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:56:34,722 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 06:56:34,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:34,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:34,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:34,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:34,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:34,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:34,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:34,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:34,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:34,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:34,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:34,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:34,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:34,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:34,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:34,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:34,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:34,728 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:56:34,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:56:34,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-03-26 06:56:34,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508100711] [2021-03-26 06:56:34,728 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 06:56:34,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:56:34,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 06:56:34,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-26 06:56:34,729 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 79 [2021-03-26 06:56:34,729 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 795 places, 2447 transitions, 96884 flow. Second operand has 8 states, 8 states have (on average 17.375) internal successors, (139), 8 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:56:34,729 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:56:34,729 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 79 [2021-03-26 06:56:34,729 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:56:40,871 INFO L129 PetriNetUnfolder]: 2773/6505 cut-off events. [2021-03-26 06:56:40,871 INFO L130 PetriNetUnfolder]: For 553290/553536 co-relation queries the response was YES. [2021-03-26 06:56:40,987 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111404 conditions, 6505 events. 2773/6505 cut-off events. For 553290/553536 co-relation queries the response was YES. Maximal size of possible extension queue 759. Compared 64826 event pairs, 7 based on Foata normal form. 93/6598 useless extension candidates. Maximal degree in co-relation 110674. Up to 2698 conditions per place. [2021-03-26 06:56:41,025 INFO L132 encePairwiseOnDemand]: 62/79 looper letters, 2267 selfloop transitions, 260 changer transitions 3/2537 dead transitions. [2021-03-26 06:56:41,025 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 806 places, 2537 transitions, 105195 flow [2021-03-26 06:56:41,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 06:56:41,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 06:56:41,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 255 transitions. [2021-03-26 06:56:41,026 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2689873417721519 [2021-03-26 06:56:41,026 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 255 transitions. [2021-03-26 06:56:41,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 255 transitions. [2021-03-26 06:56:41,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:56:41,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 255 transitions. [2021-03-26 06:56:41,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 21.25) internal successors, (255), 12 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:56:41,027 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 79.0) internal successors, (1027), 13 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:56:41,027 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 79.0) internal successors, (1027), 13 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:56:41,027 INFO L185 Difference]: Start difference. First operand has 795 places, 2447 transitions, 96884 flow. Second operand 12 states and 255 transitions. [2021-03-26 06:56:41,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 806 places, 2537 transitions, 105195 flow [2021-03-26 06:56:46,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 795 places, 2537 transitions, 104764 flow, removed 24 selfloop flow, removed 11 redundant places. [2021-03-26 06:56:46,954 INFO L241 Difference]: Finished difference. Result has 795 places, 2445 transitions, 96866 flow [2021-03-26 06:56:46,955 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=96447, PETRI_DIFFERENCE_MINUEND_PLACES=784, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=259, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=96866, PETRI_PLACES=795, PETRI_TRANSITIONS=2445} [2021-03-26 06:56:46,955 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 774 predicate places. [2021-03-26 06:56:46,955 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:56:46,955 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 795 places, 2445 transitions, 96866 flow [2021-03-26 06:56:46,955 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 795 places, 2445 transitions, 96866 flow [2021-03-26 06:56:46,987 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 792 places, 2445 transitions, 96866 flow [2021-03-26 06:56:49,789 INFO L129 PetriNetUnfolder]: 2600/6238 cut-off events. [2021-03-26 06:56:49,790 INFO L130 PetriNetUnfolder]: For 537562/537795 co-relation queries the response was YES. [2021-03-26 06:56:49,900 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103164 conditions, 6238 events. 2600/6238 cut-off events. For 537562/537795 co-relation queries the response was YES. Maximal size of possible extension queue 744. Compared 62907 event pairs, 40 based on Foata normal form. 54/6289 useless extension candidates. Maximal degree in co-relation 102444. Up to 2349 conditions per place. [2021-03-26 06:56:49,974 INFO L142 LiptonReduction]: Number of co-enabled transitions 1852 [2021-03-26 06:56:50,610 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:56:50,610 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:56:50,610 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3655 [2021-03-26 06:56:50,611 INFO L480 AbstractCegarLoop]: Abstraction has has 792 places, 2445 transitions, 96866 flow [2021-03-26 06:56:50,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 17.375) internal successors, (139), 8 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:56:50,611 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:56:50,611 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:56:50,815 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 88 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable115 [2021-03-26 06:56:50,816 INFO L428 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:56:50,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:56:50,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1908972077, now seen corresponding path program 1 times [2021-03-26 06:56:50,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:56:50,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55061376] [2021-03-26 06:56:50,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:56:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:56:50,821 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:56:50,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:50,828 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:56:50,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:56:50,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:56:50,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:56:50,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:50,842 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:56:50,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55061376] [2021-03-26 06:56:50,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212660690] [2021-03-26 06:56:50,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 89 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 89 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:56:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:56:50,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 06:56:50,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:56:50,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:50,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:50,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:50,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:50,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:50,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:50,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:50,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:50,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:50,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:50,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:50,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:50,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:50,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:50,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:50,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:50,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:56:50,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:50,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:56:50,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:56:50,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:50,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:56:50,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:50,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:50,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:50,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:50,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:50,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:56:50,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:56:50,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:56:50,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:56:50,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:56:50,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:56:50,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:56:50,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:56:50,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:56:50,899 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-26 06:56:50,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:56:50,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:56:50,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:56:50,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:56:50,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:56:50,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:56:50,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:56:50,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:56:50,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:56:50,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:56:50,907 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-26 06:56:50,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:50,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:50,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:50,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:50,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:50,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:50,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:50,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:50,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:50,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:50,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:50,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:50,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:56:50,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:56:50,912 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:56:50,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:56:50,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-03-26 06:56:50,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858184836] [2021-03-26 06:56:50,913 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 06:56:50,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:56:50,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 06:56:50,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-03-26 06:56:50,913 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 79 [2021-03-26 06:56:50,913 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 792 places, 2445 transitions, 96866 flow. Second operand has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:56:50,913 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:56:50,913 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 79 [2021-03-26 06:56:50,913 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:56:57,511 INFO L129 PetriNetUnfolder]: 2798/6586 cut-off events. [2021-03-26 06:56:57,512 INFO L130 PetriNetUnfolder]: For 567936/568180 co-relation queries the response was YES. [2021-03-26 06:56:57,632 INFO L84 FinitePrefix]: Finished finitePrefix Result has 113392 conditions, 6586 events. 2798/6586 cut-off events. For 567936/568180 co-relation queries the response was YES. Maximal size of possible extension queue 766. Compared 65869 event pairs, 7 based on Foata normal form. 93/6679 useless extension candidates. Maximal degree in co-relation 112686. Up to 2532 conditions per place. [2021-03-26 06:56:57,672 INFO L132 encePairwiseOnDemand]: 61/79 looper letters, 1752 selfloop transitions, 915 changer transitions 3/2677 dead transitions. [2021-03-26 06:56:57,673 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 807 places, 2677 transitions, 110933 flow [2021-03-26 06:56:57,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 06:56:57,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 06:56:57,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 336 transitions. [2021-03-26 06:56:57,674 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.26582278481012656 [2021-03-26 06:56:57,674 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 336 transitions. [2021-03-26 06:56:57,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 336 transitions. [2021-03-26 06:56:57,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:56:57,674 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 336 transitions. [2021-03-26 06:56:57,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 21.0) internal successors, (336), 16 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:56:57,675 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 79.0) internal successors, (1343), 17 states have internal predecessors, (1343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:56:57,675 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 79.0) internal successors, (1343), 17 states have internal predecessors, (1343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:56:57,675 INFO L185 Difference]: Start difference. First operand has 792 places, 2445 transitions, 96866 flow. Second operand 16 states and 336 transitions. [2021-03-26 06:56:57,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 807 places, 2677 transitions, 110933 flow [2021-03-26 06:57:03,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 800 places, 2677 transitions, 110824 flow, removed 10 selfloop flow, removed 7 redundant places. [2021-03-26 06:57:03,853 INFO L241 Difference]: Finished difference. Result has 803 places, 2477 transitions, 100656 flow [2021-03-26 06:57:03,854 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=96727, PETRI_DIFFERENCE_MINUEND_PLACES=785, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=882, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1535, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=100656, PETRI_PLACES=803, PETRI_TRANSITIONS=2477} [2021-03-26 06:57:03,854 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 782 predicate places. [2021-03-26 06:57:03,854 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:57:03,854 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 803 places, 2477 transitions, 100656 flow [2021-03-26 06:57:03,854 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 803 places, 2477 transitions, 100656 flow [2021-03-26 06:57:03,887 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 803 places, 2477 transitions, 100656 flow [2021-03-26 06:57:06,873 INFO L129 PetriNetUnfolder]: 2626/6297 cut-off events. [2021-03-26 06:57:06,873 INFO L130 PetriNetUnfolder]: For 564814/565070 co-relation queries the response was YES. [2021-03-26 06:57:06,985 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106616 conditions, 6297 events. 2626/6297 cut-off events. For 564814/565070 co-relation queries the response was YES. Maximal size of possible extension queue 750. Compared 63536 event pairs, 40 based on Foata normal form. 62/6355 useless extension candidates. Maximal degree in co-relation 105899. Up to 2373 conditions per place. [2021-03-26 06:57:07,064 INFO L142 LiptonReduction]: Number of co-enabled transitions 1858 [2021-03-26 06:57:07,656 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:57:07,656 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:57:07,656 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3802 [2021-03-26 06:57:07,656 INFO L480 AbstractCegarLoop]: Abstraction has has 803 places, 2477 transitions, 100656 flow [2021-03-26 06:57:07,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:57:07,656 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:57:07,656 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:57:07,857 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116,89 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:57:07,857 INFO L428 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:57:07,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:57:07,857 INFO L82 PathProgramCache]: Analyzing trace with hash 135084610, now seen corresponding path program 29 times [2021-03-26 06:57:07,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:57:07,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506970709] [2021-03-26 06:57:07,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:57:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:57:07,874 INFO L142 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size [2021-03-26 06:57:07,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:57:07,882 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-26 06:57:07,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:57:07,887 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:57:07,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:57:07,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:57:07,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:57:07,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:07,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:57:07,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506970709] [2021-03-26 06:57:07,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834403210] [2021-03-26 06:57:07,903 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 90 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 90 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:57:07,919 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:57:07,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:57:07,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:57:07,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:57:07,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:07,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:07,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:07,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:07,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:07,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:07,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:07,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:07,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:07,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:07,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:07,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:07,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:07,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:07,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:07,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:07,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:57:07,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:57:07,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:57:07,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:57:07,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:57:07,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:57:07,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:57:07,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:57:07,949 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-26 06:57:07,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:57:07,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:57:07,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:57:07,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:57:07,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:57:07,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:57:07,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:57:07,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:57:07,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:57:07,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:57:07,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:57:07,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:57:07,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:57:07,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:57:07,962 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-03-26 06:57:07,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:07,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:57:07,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:07,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:57:07,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:57:07,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:57:07,964 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 06:57:07,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:07,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:07,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:07,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:07,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:07,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:07,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:07,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:07,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:07,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:07,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:07,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:07,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:07,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:07,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:07,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:07,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:07,971 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:57:07,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:57:07,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-26 06:57:07,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068643438] [2021-03-26 06:57:07,971 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 06:57:07,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:57:07,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 06:57:07,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-26 06:57:07,972 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 79 [2021-03-26 06:57:07,972 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 803 places, 2477 transitions, 100656 flow. Second operand has 10 states, 10 states have (on average 15.2) internal successors, (152), 10 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:57:07,972 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:57:07,972 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 79 [2021-03-26 06:57:07,972 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:57:14,873 INFO L129 PetriNetUnfolder]: 2826/6708 cut-off events. [2021-03-26 06:57:14,873 INFO L130 PetriNetUnfolder]: For 599081/599279 co-relation queries the response was YES. [2021-03-26 06:57:14,990 INFO L84 FinitePrefix]: Finished finitePrefix Result has 118131 conditions, 6708 events. 2826/6708 cut-off events. For 599081/599279 co-relation queries the response was YES. Maximal size of possible extension queue 793. Compared 67560 event pairs, 161 based on Foata normal form. 87/6795 useless extension candidates. Maximal degree in co-relation 117517. Up to 3453 conditions per place. [2021-03-26 06:57:15,029 INFO L132 encePairwiseOnDemand]: 59/79 looper letters, 1979 selfloop transitions, 571 changer transitions 1/2557 dead transitions. [2021-03-26 06:57:15,030 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 825 places, 2557 transitions, 109180 flow [2021-03-26 06:57:15,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-26 06:57:15,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-26 06:57:15,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 432 transitions. [2021-03-26 06:57:15,031 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23775454045129335 [2021-03-26 06:57:15,031 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 432 transitions. [2021-03-26 06:57:15,031 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 432 transitions. [2021-03-26 06:57:15,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:57:15,031 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 432 transitions. [2021-03-26 06:57:15,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 18.782608695652176) internal successors, (432), 23 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:57:15,033 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 79.0) internal successors, (1896), 24 states have internal predecessors, (1896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:57:15,033 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 79.0) internal successors, (1896), 24 states have internal predecessors, (1896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:57:15,033 INFO L185 Difference]: Start difference. First operand has 803 places, 2477 transitions, 100656 flow. Second operand 23 states and 432 transitions. [2021-03-26 06:57:15,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 825 places, 2557 transitions, 109180 flow [2021-03-26 06:57:21,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 815 places, 2557 transitions, 108234 flow, removed 93 selfloop flow, removed 10 redundant places. [2021-03-26 06:57:21,537 INFO L241 Difference]: Finished difference. Result has 822 places, 2520 transitions, 103859 flow [2021-03-26 06:57:21,538 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=99601, PETRI_DIFFERENCE_MINUEND_PLACES=793, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2474, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=526, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1920, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=103859, PETRI_PLACES=822, PETRI_TRANSITIONS=2520} [2021-03-26 06:57:21,538 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 801 predicate places. [2021-03-26 06:57:21,538 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:57:21,538 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 822 places, 2520 transitions, 103859 flow [2021-03-26 06:57:21,538 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 822 places, 2520 transitions, 103859 flow [2021-03-26 06:57:21,574 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 822 places, 2520 transitions, 103859 flow [2021-03-26 06:57:24,779 INFO L129 PetriNetUnfolder]: 2650/6394 cut-off events. [2021-03-26 06:57:24,779 INFO L130 PetriNetUnfolder]: For 609662/609977 co-relation queries the response was YES. [2021-03-26 06:57:24,900 INFO L84 FinitePrefix]: Finished finitePrefix Result has 110447 conditions, 6394 events. 2650/6394 cut-off events. For 609662/609977 co-relation queries the response was YES. Maximal size of possible extension queue 768. Compared 64992 event pairs, 40 based on Foata normal form. 111/6498 useless extension candidates. Maximal degree in co-relation 109843. Up to 2396 conditions per place. [2021-03-26 06:57:24,983 INFO L142 LiptonReduction]: Number of co-enabled transitions 1890 [2021-03-26 06:57:25,703 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:57:25,703 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:57:25,703 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4165 [2021-03-26 06:57:25,704 INFO L480 AbstractCegarLoop]: Abstraction has has 822 places, 2520 transitions, 103859 flow [2021-03-26 06:57:25,704 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 15.2) internal successors, (152), 10 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:57:25,704 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:57:25,704 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:57:25,904 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117,90 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:57:25,904 INFO L428 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:57:25,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:57:25,905 INFO L82 PathProgramCache]: Analyzing trace with hash 978971150, now seen corresponding path program 30 times [2021-03-26 06:57:25,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:57:25,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964579853] [2021-03-26 06:57:25,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:57:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:57:25,908 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:57:25,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:25,913 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:57:25,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:57:25,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:25,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:57:25,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:57:25,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:25,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:57:25,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964579853] [2021-03-26 06:57:25,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880771926] [2021-03-26 06:57:25,931 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 91 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 91 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:57:25,947 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-26 06:57:25,947 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:57:25,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:57:25,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:57:25,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:25,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:25,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:25,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:25,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:25,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:25,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:25,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:25,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:25,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:25,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:25,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:25,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:25,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:25,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:25,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:25,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:57:25,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:57:25,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:57:25,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:57:25,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:57:25,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:57:25,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:57:25,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:57:25,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:57:25,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:57:25,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:57:25,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:57:25,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:57:25,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:57:25,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:57:25,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:57:25,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:57:25,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:57:25,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:57:25,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:25,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:57:26,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:26,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:57:26,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:57:26,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:26,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:57:26,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:26,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:57:26,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:26,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:57:26,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:26,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:57:26,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:26,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:57:26,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:26,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:57:26,016 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-26 06:57:26,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:57:26,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:26,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:57:26,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:26,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:57:26,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:57:26,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:26,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:57:26,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:26,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:57:26,025 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:57:26,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:26,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:26,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:26,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:26,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:26,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:26,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:26,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:26,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:26,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:26,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:26,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:26,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:26,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:26,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:26,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:26,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:26,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:26,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:26,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:26,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:26,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:26,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:26,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:26,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:26,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:57:26,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:57:26,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-26 06:57:26,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395167399] [2021-03-26 06:57:26,033 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:57:26,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:57:26,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:57:26,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:57:26,034 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 79 [2021-03-26 06:57:26,034 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 822 places, 2520 transitions, 103859 flow. Second operand has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:57:26,034 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:57:26,034 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 79 [2021-03-26 06:57:26,034 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:57:32,949 INFO L129 PetriNetUnfolder]: 2828/6705 cut-off events. [2021-03-26 06:57:32,949 INFO L130 PetriNetUnfolder]: For 620671/620779 co-relation queries the response was YES. [2021-03-26 06:57:33,212 INFO L84 FinitePrefix]: Finished finitePrefix Result has 120047 conditions, 6705 events. 2828/6705 cut-off events. For 620671/620779 co-relation queries the response was YES. Maximal size of possible extension queue 803. Compared 67635 event pairs, 146 based on Foata normal form. 90/6795 useless extension candidates. Maximal degree in co-relation 119492. Up to 4043 conditions per place. [2021-03-26 06:57:33,254 INFO L132 encePairwiseOnDemand]: 59/79 looper letters, 1838 selfloop transitions, 730 changer transitions 0/2575 dead transitions. [2021-03-26 06:57:33,254 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 836 places, 2575 transitions, 111643 flow [2021-03-26 06:57:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 06:57:33,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 06:57:33,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 330 transitions. [2021-03-26 06:57:33,256 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27848101265822783 [2021-03-26 06:57:33,257 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 330 transitions. [2021-03-26 06:57:33,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 330 transitions. [2021-03-26 06:57:33,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:57:33,257 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 330 transitions. [2021-03-26 06:57:33,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 22.0) internal successors, (330), 15 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:57:33,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 79.0) internal successors, (1264), 16 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:57:33,258 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 79.0) internal successors, (1264), 16 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:57:33,258 INFO L185 Difference]: Start difference. First operand has 822 places, 2520 transitions, 103859 flow. Second operand 15 states and 330 transitions. [2021-03-26 06:57:33,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 836 places, 2575 transitions, 111643 flow [2021-03-26 06:57:40,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 824 places, 2575 transitions, 110730 flow, removed 380 selfloop flow, removed 12 redundant places. [2021-03-26 06:57:40,709 INFO L241 Difference]: Finished difference. Result has 826 places, 2525 transitions, 104898 flow [2021-03-26 06:57:40,710 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=102862, PETRI_DIFFERENCE_MINUEND_PLACES=810, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2518, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=723, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1792, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=104898, PETRI_PLACES=826, PETRI_TRANSITIONS=2525} [2021-03-26 06:57:40,710 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 805 predicate places. [2021-03-26 06:57:40,710 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:57:40,710 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 826 places, 2525 transitions, 104898 flow [2021-03-26 06:57:40,710 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 826 places, 2525 transitions, 104898 flow [2021-03-26 06:57:40,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 826 places, 2525 transitions, 104898 flow [2021-03-26 06:57:43,702 INFO L129 PetriNetUnfolder]: 2654/6397 cut-off events. [2021-03-26 06:57:43,702 INFO L130 PetriNetUnfolder]: For 615489/615822 co-relation queries the response was YES. [2021-03-26 06:57:43,823 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111194 conditions, 6397 events. 2654/6397 cut-off events. For 615489/615822 co-relation queries the response was YES. Maximal size of possible extension queue 764. Compared 64944 event pairs, 38 based on Foata normal form. 122/6513 useless extension candidates. Maximal degree in co-relation 110698. Up to 2392 conditions per place. [2021-03-26 06:57:43,907 INFO L142 LiptonReduction]: Number of co-enabled transitions 1900 [2021-03-26 06:57:44,578 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:57:44,578 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:57:44,578 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3868 [2021-03-26 06:57:44,579 INFO L480 AbstractCegarLoop]: Abstraction has has 826 places, 2525 transitions, 104898 flow [2021-03-26 06:57:44,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:57:44,580 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:57:44,580 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:57:44,780 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 91 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable118 [2021-03-26 06:57:44,780 INFO L428 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:57:44,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:57:44,780 INFO L82 PathProgramCache]: Analyzing trace with hash -724384566, now seen corresponding path program 31 times [2021-03-26 06:57:44,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:57:44,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098461483] [2021-03-26 06:57:44,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:57:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:57:44,788 INFO L142 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size [2021-03-26 06:57:44,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:57:44,796 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-26 06:57:44,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:57:44,802 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:57:44,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:57:44,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:44,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:57:44,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:44,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:57:44,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:44,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:44,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:57:44,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098461483] [2021-03-26 06:57:44,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118035749] [2021-03-26 06:57:44,817 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 92 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 92 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:57:44,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:57:44,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:57:44,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:57:44,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:44,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:44,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:44,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:44,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:44,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:44,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:44,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:44,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:44,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:44,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:44,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:44,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:44,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:44,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:44,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:44,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:44,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:44,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:44,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:44,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:44,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:44,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:44,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:44,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:44,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:44,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:44,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:44,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:44,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:44,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:44,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:44,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:44,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:57:44,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:44,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:57:44,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:57:44,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:44,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:57:44,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:44,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:57:44,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:57:44,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:44,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:57:44,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:44,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:57:44,870 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-26 06:57:44,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:57:44,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:44,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:57:44,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:44,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:57:44,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:57:44,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:44,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:57:45,021 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2021-03-26 06:57:45,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:45,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:57:45,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:45,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:57:45,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:45,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:57:45,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:57:45,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:45,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:57:45,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:45,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:57:45,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:57:45,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:45,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:57:45,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:45,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:57:45,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:45,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:57:45,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:45,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:45,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:57:45,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:45,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:57:45,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:45,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:57:45,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:57:45,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:45,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:57:45,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:45,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:57:45,041 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:57:45,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:45,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:45,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:45,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:45,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:45,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:45,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:45,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:45,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:45,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:45,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:45,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:45,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:45,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:45,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:45,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:45,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:45,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:45,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:45,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:45,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:45,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:45,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:45,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:45,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:45,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:45,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:45,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:45,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:45,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:57:45,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:57:45,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:57:45,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:57:45,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-26 06:57:45,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709437266] [2021-03-26 06:57:45,049 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 06:57:45,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:57:45,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 06:57:45,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-26 06:57:45,050 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 79 [2021-03-26 06:57:45,050 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 826 places, 2525 transitions, 104898 flow. Second operand has 10 states, 10 states have (on average 15.2) internal successors, (152), 10 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:57:45,050 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:57:45,050 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 79 [2021-03-26 06:57:45,050 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:57:52,448 INFO L129 PetriNetUnfolder]: 2839/6760 cut-off events. [2021-03-26 06:57:52,449 INFO L130 PetriNetUnfolder]: For 631343/631589 co-relation queries the response was YES. [2021-03-26 06:57:52,573 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121895 conditions, 6760 events. 2839/6760 cut-off events. For 631343/631589 co-relation queries the response was YES. Maximal size of possible extension queue 798. Compared 68536 event pairs, 156 based on Foata normal form. 123/6883 useless extension candidates. Maximal degree in co-relation 121428. Up to 5113 conditions per place. [2021-03-26 06:57:52,614 INFO L132 encePairwiseOnDemand]: 60/79 looper letters, 2258 selfloop transitions, 308 changer transitions 0/2572 dead transitions. [2021-03-26 06:57:52,614 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 843 places, 2572 transitions, 112112 flow [2021-03-26 06:57:52,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 06:57:52,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 06:57:52,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 343 transitions. [2021-03-26 06:57:52,616 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24120956399437413 [2021-03-26 06:57:52,616 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 343 transitions. [2021-03-26 06:57:52,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 343 transitions. [2021-03-26 06:57:52,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:57:52,616 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 343 transitions. [2021-03-26 06:57:52,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 19.055555555555557) internal successors, (343), 18 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:57:52,617 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 79.0) internal successors, (1501), 19 states have internal predecessors, (1501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:57:52,617 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 79.0) internal successors, (1501), 19 states have internal predecessors, (1501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:57:52,617 INFO L185 Difference]: Start difference. First operand has 826 places, 2525 transitions, 104898 flow. Second operand 18 states and 343 transitions. [2021-03-26 06:57:52,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 843 places, 2572 transitions, 112112 flow [2021-03-26 06:58:00,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 831 places, 2572 transitions, 111043 flow, removed 14 selfloop flow, removed 12 redundant places. [2021-03-26 06:58:00,171 INFO L241 Difference]: Finished difference. Result has 837 places, 2545 transitions, 105730 flow [2021-03-26 06:58:00,172 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=103759, PETRI_DIFFERENCE_MINUEND_PLACES=814, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2523, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=286, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=105730, PETRI_PLACES=837, PETRI_TRANSITIONS=2545} [2021-03-26 06:58:00,172 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 816 predicate places. [2021-03-26 06:58:00,172 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:58:00,172 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 837 places, 2545 transitions, 105730 flow [2021-03-26 06:58:00,172 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 837 places, 2545 transitions, 105730 flow [2021-03-26 06:58:00,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 837 places, 2545 transitions, 105730 flow [2021-03-26 06:58:03,437 INFO L129 PetriNetUnfolder]: 2662/6443 cut-off events. [2021-03-26 06:58:03,437 INFO L130 PetriNetUnfolder]: For 630968/631285 co-relation queries the response was YES. [2021-03-26 06:58:03,559 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112314 conditions, 6443 events. 2662/6443 cut-off events. For 630968/631285 co-relation queries the response was YES. Maximal size of possible extension queue 779. Compared 65715 event pairs, 41 based on Foata normal form. 120/6552 useless extension candidates. Maximal degree in co-relation 111577. Up to 2413 conditions per place. [2021-03-26 06:58:03,644 INFO L142 LiptonReduction]: Number of co-enabled transitions 1934 [2021-03-26 06:58:04,308 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:58:04,308 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:58:04,308 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4136 [2021-03-26 06:58:04,308 INFO L480 AbstractCegarLoop]: Abstraction has has 837 places, 2545 transitions, 105730 flow [2021-03-26 06:58:04,309 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 15.2) internal successors, (152), 10 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:58:04,309 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:58:04,309 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:58:04,509 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 92 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable119 [2021-03-26 06:58:04,509 INFO L428 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:58:04,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:58:04,509 INFO L82 PathProgramCache]: Analyzing trace with hash -551136874, now seen corresponding path program 32 times [2021-03-26 06:58:04,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:58:04,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239477225] [2021-03-26 06:58:04,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:58:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:58:04,514 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:58:04,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:04,528 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:58:04,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:04,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:04,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:58:04,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:58:04,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:04,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:58:04,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239477225] [2021-03-26 06:58:04,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682969400] [2021-03-26 06:58:04,548 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 93 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 93 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:58:04,568 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:58:04,568 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:58:04,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 06:58:04,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:58:04,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:04,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:04,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:04,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:04,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:04,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:04,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:04,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:04,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:04,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:04,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:04,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:04,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:04,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:04,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:04,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:04,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:58:04,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:04,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:58:04,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:58:04,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:04,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:58:04,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:04,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:04,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:58:04,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:04,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:58:04,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:58:04,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:04,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:58:04,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:58:04,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:58:04,609 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-26 06:58:04,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:58:04,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:58:04,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:58:04,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:58:04,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:58:04,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:58:04,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:58:04,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:04,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:58:04,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:58:04,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:04,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:58:04,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:58:04,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:58:04,620 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:58:04,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:04,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:04,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:04,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:04,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:04,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:04,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:04,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:04,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:04,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:04,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:04,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:04,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:04,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:04,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:04,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:04,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:04,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:58:04,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:58:04,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-26 06:58:04,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790542127] [2021-03-26 06:58:04,627 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 06:58:04,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:58:04,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 06:58:04,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-26 06:58:04,627 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 79 [2021-03-26 06:58:04,627 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 837 places, 2545 transitions, 105730 flow. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:58:04,627 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:58:04,627 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 79 [2021-03-26 06:58:04,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:58:11,679 INFO L129 PetriNetUnfolder]: 2837/6733 cut-off events. [2021-03-26 06:58:11,680 INFO L130 PetriNetUnfolder]: For 641171/641297 co-relation queries the response was YES. [2021-03-26 06:58:11,809 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121657 conditions, 6733 events. 2837/6733 cut-off events. For 641171/641297 co-relation queries the response was YES. Maximal size of possible extension queue 803. Compared 67995 event pairs, 145 based on Foata normal form. 53/6786 useless extension candidates. Maximal degree in co-relation 120945. Up to 4067 conditions per place. [2021-03-26 06:58:11,986 INFO L132 encePairwiseOnDemand]: 59/79 looper letters, 1837 selfloop transitions, 730 changer transitions 0/2574 dead transitions. [2021-03-26 06:58:11,986 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 849 places, 2574 transitions, 112006 flow [2021-03-26 06:58:11,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 06:58:11,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 06:58:11,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 302 transitions. [2021-03-26 06:58:11,987 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2730560578661845 [2021-03-26 06:58:11,987 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 302 transitions. [2021-03-26 06:58:11,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 302 transitions. [2021-03-26 06:58:11,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:58:11,987 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 302 transitions. [2021-03-26 06:58:11,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 21.571428571428573) internal successors, (302), 14 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:58:11,988 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 79.0) internal successors, (1185), 15 states have internal predecessors, (1185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:58:11,988 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 79.0) internal successors, (1185), 15 states have internal predecessors, (1185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:58:11,988 INFO L185 Difference]: Start difference. First operand has 837 places, 2545 transitions, 105730 flow. Second operand 14 states and 302 transitions. [2021-03-26 06:58:11,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 849 places, 2574 transitions, 112006 flow [2021-03-26 06:58:18,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 840 places, 2574 transitions, 111226 flow, removed 143 selfloop flow, removed 9 redundant places. [2021-03-26 06:58:19,016 INFO L241 Difference]: Finished difference. Result has 842 places, 2545 transitions, 106554 flow [2021-03-26 06:58:19,017 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=104831, PETRI_DIFFERENCE_MINUEND_PLACES=827, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2542, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=727, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1814, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=106554, PETRI_PLACES=842, PETRI_TRANSITIONS=2545} [2021-03-26 06:58:19,017 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 821 predicate places. [2021-03-26 06:58:19,017 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:58:19,017 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 842 places, 2545 transitions, 106554 flow [2021-03-26 06:58:19,017 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 842 places, 2545 transitions, 106554 flow [2021-03-26 06:58:19,058 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 842 places, 2545 transitions, 106554 flow [2021-03-26 06:58:22,024 INFO L129 PetriNetUnfolder]: 2660/6434 cut-off events. [2021-03-26 06:58:22,024 INFO L130 PetriNetUnfolder]: For 622674/623000 co-relation queries the response was YES. [2021-03-26 06:58:22,152 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112511 conditions, 6434 events. 2660/6434 cut-off events. For 622674/623000 co-relation queries the response was YES. Maximal size of possible extension queue 776. Compared 65588 event pairs, 40 based on Foata normal form. 109/6535 useless extension candidates. Maximal degree in co-relation 111765. Up to 2387 conditions per place. [2021-03-26 06:58:22,234 INFO L142 LiptonReduction]: Number of co-enabled transitions 1936 [2021-03-26 06:58:22,957 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:58:22,958 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:58:22,958 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3941 [2021-03-26 06:58:22,958 INFO L480 AbstractCegarLoop]: Abstraction has has 842 places, 2545 transitions, 106554 flow [2021-03-26 06:58:22,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:58:22,958 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:58:22,958 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:58:23,158 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120,93 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:58:23,159 INFO L428 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:58:23,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:58:23,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1626909973, now seen corresponding path program 1 times [2021-03-26 06:58:23,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:58:23,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062000006] [2021-03-26 06:58:23,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:58:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:58:23,164 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:58:23,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:23,169 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:58:23,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:23,175 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:58:23,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:23,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:58:23,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:58:23,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:23,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:58:23,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062000006] [2021-03-26 06:58:23,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209033571] [2021-03-26 06:58:23,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 94 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 94 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:58:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:58:23,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 06:58:23,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:58:23,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:23,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:23,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:23,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:23,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:23,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:23,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:23,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:23,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:23,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:23,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:23,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:23,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:23,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:23,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:23,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:58:23,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:58:23,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:23,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:58:23,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:58:23,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:23,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:58:23,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:23,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:23,237 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-26 06:58:23,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:58:23,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:58:23,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:23,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:58:23,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:23,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:23,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:58:23,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:23,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:58:23,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:58:23,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:23,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:58:23,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:58:23,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:58:23,261 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-03-26 06:58:23,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:58:23,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:58:23,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:58:23,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:58:23,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:58:23,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:58:23,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:58:23,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:58:23,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:58:23,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:58:23,266 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 06:58:23,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:23,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:23,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:23,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:23,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:23,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:23,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:23,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:23,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:23,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:23,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:23,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:23,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:23,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:23,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:23,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:23,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:58:23,272 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:58:23,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:58:23,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-26 06:58:23,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845832828] [2021-03-26 06:58:23,273 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:58:23,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:58:23,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:58:23,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:58:23,273 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 79 [2021-03-26 06:58:23,273 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 842 places, 2545 transitions, 106554 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:58:23,274 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:58:23,274 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 79 [2021-03-26 06:58:23,274 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:58:30,387 INFO L129 PetriNetUnfolder]: 2852/6807 cut-off events. [2021-03-26 06:58:30,387 INFO L130 PetriNetUnfolder]: For 641110/641309 co-relation queries the response was YES. [2021-03-26 06:58:30,512 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123183 conditions, 6807 events. 2852/6807 cut-off events. For 641110/641309 co-relation queries the response was YES. Maximal size of possible extension queue 798. Compared 69037 event pairs, 157 based on Foata normal form. 62/6869 useless extension candidates. Maximal degree in co-relation 122415. Up to 3571 conditions per place. [2021-03-26 06:58:30,688 INFO L132 encePairwiseOnDemand]: 59/79 looper letters, 2164 selfloop transitions, 415 changer transitions 2/2588 dead transitions. [2021-03-26 06:58:30,688 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 858 places, 2588 transitions, 113556 flow [2021-03-26 06:58:30,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 06:58:30,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 06:58:30,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 351 transitions. [2021-03-26 06:58:30,690 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.26135517498138494 [2021-03-26 06:58:30,690 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 351 transitions. [2021-03-26 06:58:30,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 351 transitions. [2021-03-26 06:58:30,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:58:30,690 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 351 transitions. [2021-03-26 06:58:30,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 20.647058823529413) internal successors, (351), 17 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:58:30,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 79.0) internal successors, (1422), 18 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:58:30,691 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 79.0) internal successors, (1422), 18 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:58:30,691 INFO L185 Difference]: Start difference. First operand has 842 places, 2545 transitions, 106554 flow. Second operand 17 states and 351 transitions. [2021-03-26 06:58:30,691 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 858 places, 2588 transitions, 113556 flow [2021-03-26 06:58:37,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 847 places, 2588 transitions, 112086 flow, removed 52 selfloop flow, removed 11 redundant places. [2021-03-26 06:58:37,767 INFO L241 Difference]: Finished difference. Result has 849 places, 2555 transitions, 106451 flow [2021-03-26 06:58:37,768 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=105071, PETRI_DIFFERENCE_MINUEND_PLACES=831, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=403, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=106451, PETRI_PLACES=849, PETRI_TRANSITIONS=2555} [2021-03-26 06:58:37,768 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 828 predicate places. [2021-03-26 06:58:37,768 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:58:37,768 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 849 places, 2555 transitions, 106451 flow [2021-03-26 06:58:37,768 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 849 places, 2555 transitions, 106451 flow [2021-03-26 06:58:37,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 848 places, 2555 transitions, 106451 flow [2021-03-26 06:58:40,645 INFO L129 PetriNetUnfolder]: 2678/6491 cut-off events. [2021-03-26 06:58:40,645 INFO L130 PetriNetUnfolder]: For 638873/639225 co-relation queries the response was YES. [2021-03-26 06:58:40,966 INFO L84 FinitePrefix]: Finished finitePrefix Result has 113536 conditions, 6491 events. 2678/6491 cut-off events. For 638873/639225 co-relation queries the response was YES. Maximal size of possible extension queue 771. Compared 66331 event pairs, 42 based on Foata normal form. 124/6601 useless extension candidates. Maximal degree in co-relation 112774. Up to 2396 conditions per place. [2021-03-26 06:58:41,043 INFO L142 LiptonReduction]: Number of co-enabled transitions 1944 [2021-03-26 06:58:41,723 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:58:41,723 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:58:41,723 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3955 [2021-03-26 06:58:41,723 INFO L480 AbstractCegarLoop]: Abstraction has has 848 places, 2555 transitions, 106451 flow [2021-03-26 06:58:41,723 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:58:41,723 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:58:41,723 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:58:41,925 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121,94 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:58:41,925 INFO L428 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:58:41,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:58:41,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1278405089, now seen corresponding path program 24 times [2021-03-26 06:58:41,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:58:41,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146063973] [2021-03-26 06:58:41,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:58:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:58:41,935 INFO L142 QuantifierPusher]: treesize reduction 15, result has 40.0 percent of original size [2021-03-26 06:58:41,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:58:41,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:41,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:58:41,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:41,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:58:41,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:41,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:58:41,969 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 06:58:41,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:41,978 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:58:41,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146063973] [2021-03-26 06:58:41,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681093287] [2021-03-26 06:58:41,978 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 95 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 95 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:58:42,005 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-26 06:58:42,005 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:58:42,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-26 06:58:42,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:58:42,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:58:42,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:58:42,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:58:42,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:58:42,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:58:42,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:58:42,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:58:42,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:58:42,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,023 INFO L147 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size 25 [2021-03-26 06:58:42,024 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-26 06:58:42,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:58:42,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:58:42,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:58:42,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,039 INFO L147 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size 19 [2021-03-26 06:58:42,040 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 06:58:42,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:58:42,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:58:42,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:58:42,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:58:42,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:58:42,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:58:42,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:58:42,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,057 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size 18 [2021-03-26 06:58:42,058 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-26 06:58:42,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:58:42,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:58:42,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:58:42,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:58:42,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:58:42,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:58:42,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:58:42,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:58:42,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:58:42,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:58:42,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:58:42,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:58:42,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:58:42,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:58:42,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:58:42,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:58:42,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:58:42,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:58:42,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-03-26 06:58:42,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:58:42,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:58:42,084 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:58:42,085 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:58:42,085 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:58:42,085 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-03-26 06:58:42,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:58:42,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:58:42,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:42,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:42,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:42,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:42,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:42,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:42,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:42,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:42,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:42,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:42,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:42,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:42,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:42,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:42,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:42,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:42,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:42,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:42,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:42,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:58:42,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:58:42,102 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:58:42,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:58:42,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 06:58:42,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548392589] [2021-03-26 06:58:42,102 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:58:42,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:58:42,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:58:42,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:58:42,103 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 79 [2021-03-26 06:58:42,103 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 848 places, 2555 transitions, 106451 flow. Second operand has 11 states, 11 states have (on average 23.181818181818183) internal successors, (255), 11 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:58:42,103 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:58:42,103 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 79 [2021-03-26 06:58:42,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:58:48,613 INFO L129 PetriNetUnfolder]: 2743/6678 cut-off events. [2021-03-26 06:58:48,613 INFO L130 PetriNetUnfolder]: For 666329/666940 co-relation queries the response was YES. [2021-03-26 06:58:48,742 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122146 conditions, 6678 events. 2743/6678 cut-off events. For 666329/666940 co-relation queries the response was YES. Maximal size of possible extension queue 797. Compared 68617 event pairs, 37 based on Foata normal form. 77/6750 useless extension candidates. Maximal degree in co-relation 121361. Up to 4857 conditions per place. [2021-03-26 06:58:48,784 INFO L132 encePairwiseOnDemand]: 70/79 looper letters, 2407 selfloop transitions, 101 changer transitions 2/2638 dead transitions. [2021-03-26 06:58:48,785 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 854 places, 2638 transitions, 115303 flow [2021-03-26 06:58:48,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 06:58:48,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 06:58:48,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 201 transitions. [2021-03-26 06:58:48,786 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.36347197106690776 [2021-03-26 06:58:48,786 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 201 transitions. [2021-03-26 06:58:48,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 201 transitions. [2021-03-26 06:58:48,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:58:48,786 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 201 transitions. [2021-03-26 06:58:48,786 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 28.714285714285715) internal successors, (201), 7 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:58:48,786 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 79.0) internal successors, (632), 8 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:58:48,786 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 79.0) internal successors, (632), 8 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:58:48,787 INFO L185 Difference]: Start difference. First operand has 848 places, 2555 transitions, 106451 flow. Second operand 7 states and 201 transitions. [2021-03-26 06:58:48,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 854 places, 2638 transitions, 115303 flow [2021-03-26 06:58:56,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 843 places, 2638 transitions, 114984 flow, removed 29 selfloop flow, removed 11 redundant places. [2021-03-26 06:58:56,221 INFO L241 Difference]: Finished difference. Result has 846 places, 2614 transitions, 109361 flow [2021-03-26 06:58:56,222 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=106158, PETRI_DIFFERENCE_MINUEND_PLACES=837, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2555, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2454, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=109361, PETRI_PLACES=846, PETRI_TRANSITIONS=2614} [2021-03-26 06:58:56,222 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 825 predicate places. [2021-03-26 06:58:56,222 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:58:56,222 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 846 places, 2614 transitions, 109361 flow [2021-03-26 06:58:56,222 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 846 places, 2614 transitions, 109361 flow [2021-03-26 06:58:56,259 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 846 places, 2614 transitions, 109361 flow [2021-03-26 06:58:59,554 INFO L129 PetriNetUnfolder]: 2745/6667 cut-off events. [2021-03-26 06:58:59,555 INFO L130 PetriNetUnfolder]: For 666503/666836 co-relation queries the response was YES. [2021-03-26 06:58:59,681 INFO L84 FinitePrefix]: Finished finitePrefix Result has 117347 conditions, 6667 events. 2745/6667 cut-off events. For 666503/666836 co-relation queries the response was YES. Maximal size of possible extension queue 802. Compared 68532 event pairs, 41 based on Foata normal form. 113/6765 useless extension candidates. Maximal degree in co-relation 116561. Up to 2466 conditions per place. [2021-03-26 06:58:59,769 INFO L142 LiptonReduction]: Number of co-enabled transitions 2046 [2021-03-26 06:59:01,546 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 06:59:01,546 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 06:59:01,546 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5324 [2021-03-26 06:59:01,546 INFO L480 AbstractCegarLoop]: Abstraction has has 846 places, 2614 transitions, 109391 flow [2021-03-26 06:59:01,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 23.181818181818183) internal successors, (255), 11 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:59:01,546 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:59:01,546 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:59:01,747 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122,95 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:59:01,748 INFO L428 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:59:01,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:59:01,748 INFO L82 PathProgramCache]: Analyzing trace with hash 455895767, now seen corresponding path program 25 times [2021-03-26 06:59:01,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:59:01,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605989682] [2021-03-26 06:59:01,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:59:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:59:01,760 INFO L142 QuantifierPusher]: treesize reduction 15, result has 40.0 percent of original size [2021-03-26 06:59:01,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:59:01,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:59:01,776 INFO L142 QuantifierPusher]: treesize reduction 35, result has 51.4 percent of original size [2021-03-26 06:59:01,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 06:59:01,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:59:01,804 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 06:59:01,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:01,812 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:59:01,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605989682] [2021-03-26 06:59:01,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404460402] [2021-03-26 06:59:01,812 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 96 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 96 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:59:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:59:01,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-26 06:59:01,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:59:01,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:59:01,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:59:01,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:59:01,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:59:01,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:59:01,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:59:01,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:59:01,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:59:01,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,845 INFO L147 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size 25 [2021-03-26 06:59:01,845 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-26 06:59:01,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:59:01,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:59:01,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:59:01,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:59:01,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:59:01,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:59:01,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:59:01,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,861 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.7 percent of original size 29 [2021-03-26 06:59:01,862 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.7 percent of original size [2021-03-26 06:59:01,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:59:01,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:59:01,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:59:01,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:59:01,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:59:01,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:59:01,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:59:01,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:59:01,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:59:01,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:59:01,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:59:01,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,887 INFO L147 QuantifierPusher]: treesize reduction -1, result has 103.6 percent of original size 29 [2021-03-26 06:59:01,887 INFO L142 QuantifierPusher]: treesize reduction -1, result has 103.6 percent of original size [2021-03-26 06:59:01,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:59:01,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:59:01,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:59:01,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,907 INFO L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-03-26 06:59:01,907 INFO L142 QuantifierPusher]: treesize reduction 8, result has 71.4 percent of original size [2021-03-26 06:59:01,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:59:01,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:01,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:59:01,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:59:01,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:01,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:59:01,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-03-26 06:59:01,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:59:01,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:59:01,914 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:59:01,916 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:59:01,916 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:59:01,917 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-03-26 06:59:01,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:59:01,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:59:01,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:01,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:01,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:01,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:01,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:01,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:01,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:01,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:01,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:01,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:01,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:01,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:01,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:02,074 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2021-03-26 06:59:02,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:02,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:02,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:02,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:02,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:02,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:02,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:02,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:02,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:02,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:02,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:02,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:02,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:02,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:02,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:02,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:02,079 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:59:02,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:59:02,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 06:59:02,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391304906] [2021-03-26 06:59:02,079 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:59:02,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:59:02,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:59:02,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:59:02,080 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 80 [2021-03-26 06:59:02,081 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 846 places, 2614 transitions, 109391 flow. Second operand has 11 states, 11 states have (on average 23.181818181818183) internal successors, (255), 11 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:59:02,081 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:59:02,081 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 80 [2021-03-26 06:59:02,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:59:10,312 INFO L129 PetriNetUnfolder]: 2833/6918 cut-off events. [2021-03-26 06:59:10,312 INFO L130 PetriNetUnfolder]: For 685986/686619 co-relation queries the response was YES. [2021-03-26 06:59:10,448 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126681 conditions, 6918 events. 2833/6918 cut-off events. For 685986/686619 co-relation queries the response was YES. Maximal size of possible extension queue 829. Compared 71771 event pairs, 37 based on Foata normal form. 90/7003 useless extension candidates. Maximal degree in co-relation 125901. Up to 4977 conditions per place. [2021-03-26 06:59:10,493 INFO L132 encePairwiseOnDemand]: 70/80 looper letters, 2449 selfloop transitions, 131 changer transitions 24/2732 dead transitions. [2021-03-26 06:59:10,494 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 855 places, 2732 transitions, 119379 flow [2021-03-26 06:59:10,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 06:59:10,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 06:59:10,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 281 transitions. [2021-03-26 06:59:10,495 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35125 [2021-03-26 06:59:10,495 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 281 transitions. [2021-03-26 06:59:10,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 281 transitions. [2021-03-26 06:59:10,495 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:59:10,495 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 281 transitions. [2021-03-26 06:59:10,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 28.1) internal successors, (281), 10 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:59:10,496 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 80.0) internal successors, (880), 11 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:59:10,496 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 80.0) internal successors, (880), 11 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:59:10,496 INFO L185 Difference]: Start difference. First operand has 846 places, 2614 transitions, 109391 flow. Second operand 10 states and 281 transitions. [2021-03-26 06:59:10,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 855 places, 2732 transitions, 119379 flow [2021-03-26 06:59:18,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 852 places, 2732 transitions, 119010 flow, removed 138 selfloop flow, removed 3 redundant places. [2021-03-26 06:59:18,569 INFO L241 Difference]: Finished difference. Result has 857 places, 2692 transitions, 112675 flow [2021-03-26 06:59:18,570 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=109022, PETRI_DIFFERENCE_MINUEND_PLACES=843, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2614, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2485, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=112675, PETRI_PLACES=857, PETRI_TRANSITIONS=2692} [2021-03-26 06:59:18,571 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 836 predicate places. [2021-03-26 06:59:18,571 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:59:18,571 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 857 places, 2692 transitions, 112675 flow [2021-03-26 06:59:18,571 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 857 places, 2692 transitions, 112675 flow [2021-03-26 06:59:18,609 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 857 places, 2692 transitions, 112675 flow [2021-03-26 06:59:22,131 INFO L129 PetriNetUnfolder]: 2834/6897 cut-off events. [2021-03-26 06:59:22,132 INFO L130 PetriNetUnfolder]: For 679714/680028 co-relation queries the response was YES. [2021-03-26 06:59:22,269 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121687 conditions, 6897 events. 2834/6897 cut-off events. For 679714/680028 co-relation queries the response was YES. Maximal size of possible extension queue 826. Compared 71517 event pairs, 41 based on Foata normal form. 110/6993 useless extension candidates. Maximal degree in co-relation 120896. Up to 2552 conditions per place. [2021-03-26 06:59:22,360 INFO L142 LiptonReduction]: Number of co-enabled transitions 2108 [2021-03-26 06:59:23,110 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:59:23,110 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:59:23,111 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4540 [2021-03-26 06:59:23,111 INFO L480 AbstractCegarLoop]: Abstraction has has 857 places, 2692 transitions, 112675 flow [2021-03-26 06:59:23,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 23.181818181818183) internal successors, (255), 11 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:59:23,111 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:59:23,111 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:59:23,312 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 96 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable123 [2021-03-26 06:59:23,313 INFO L428 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:59:23,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:59:23,313 INFO L82 PathProgramCache]: Analyzing trace with hash -2116666289, now seen corresponding path program 1 times [2021-03-26 06:59:23,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:59:23,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471771581] [2021-03-26 06:59:23,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:59:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:59:23,328 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 06:59:23,329 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.0 percent of original size 40 [2021-03-26 06:59:23,356 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-26 06:59:23,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:59:23,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 06:59:23,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:59:23,388 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 06:59:23,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:59:23,400 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 06:59:23,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:23,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:59:23,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471771581] [2021-03-26 06:59:23,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38230294] [2021-03-26 06:59:23,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 97 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 97 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:59:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:59:23,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-26 06:59:23,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:59:23,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:23,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:23,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:23,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:23,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:23,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:23,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:23,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:23,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:23,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:23,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:23,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:23,445 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-26 06:59:23,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:59:23,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:59:23,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:59:23,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:59:23,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:59:23,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:59:23,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,460 INFO L147 QuantifierPusher]: treesize reduction 5, result has 79.2 percent of original size 19 [2021-03-26 06:59:23,461 INFO L142 QuantifierPusher]: treesize reduction 5, result has 79.2 percent of original size [2021-03-26 06:59:23,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:23,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:23,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:23,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:23,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:23,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:23,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:23,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,477 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size 23 [2021-03-26 06:59:23,478 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-26 06:59:23,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 06:59:23,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 06:59:23,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 06:59:23,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:59:23,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:59:23,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:59:23,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:59:23,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:59:23,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:59:23,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:59:23,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:59:23,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:59:23,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:59:23,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:59:23,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:59:23,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:59:23,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:59:23,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:59:23,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:23,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:59:23,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:59:23,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:59:23,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:59:23,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:59:23,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 06:59:23,506 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-26 06:59:23,506 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-26 06:59:23,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-03-26 06:59:23,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:59:23,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:59:23,508 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:59:23,512 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:59:23,513 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:59:23,513 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:3 [2021-03-26 06:59:23,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:59:23,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:59:23,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:23,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:23,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:23,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:23,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:23,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:23,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:23,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:23,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:23,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:23,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:23,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:23,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:23,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:23,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:23,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:23,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:23,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:23,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:23,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:23,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:23,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:59:23,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:59:23,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-03-26 06:59:23,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633021663] [2021-03-26 06:59:23,529 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 06:59:23,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:59:23,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 06:59:23,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-03-26 06:59:23,529 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 80 [2021-03-26 06:59:23,529 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 857 places, 2692 transitions, 112675 flow. Second operand has 12 states, 12 states have (on average 15.25) internal successors, (183), 12 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:59:23,529 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:59:23,529 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 80 [2021-03-26 06:59:23,529 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:59:32,269 INFO L129 PetriNetUnfolder]: 3024/7227 cut-off events. [2021-03-26 06:59:32,269 INFO L130 PetriNetUnfolder]: For 703372/703624 co-relation queries the response was YES. [2021-03-26 06:59:32,412 INFO L84 FinitePrefix]: Finished finitePrefix Result has 133001 conditions, 7227 events. 3024/7227 cut-off events. For 703372/703624 co-relation queries the response was YES. Maximal size of possible extension queue 864. Compared 74248 event pairs, 165 based on Foata normal form. 73/7300 useless extension candidates. Maximal degree in co-relation 132214. Up to 5926 conditions per place. [2021-03-26 06:59:32,458 INFO L132 encePairwiseOnDemand]: 70/80 looper letters, 2674 selfloop transitions, 35 changer transitions 1/2716 dead transitions. [2021-03-26 06:59:32,458 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 865 places, 2716 transitions, 119428 flow [2021-03-26 06:59:32,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 06:59:32,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 06:59:32,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 175 transitions. [2021-03-26 06:59:32,459 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24305555555555555 [2021-03-26 06:59:32,459 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 175 transitions. [2021-03-26 06:59:32,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 175 transitions. [2021-03-26 06:59:32,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:59:32,459 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 175 transitions. [2021-03-26 06:59:32,459 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 19.444444444444443) internal successors, (175), 9 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:59:32,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 80.0) internal successors, (800), 10 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:59:32,460 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 80.0) internal successors, (800), 10 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:59:32,460 INFO L185 Difference]: Start difference. First operand has 857 places, 2692 transitions, 112675 flow. Second operand 9 states and 175 transitions. [2021-03-26 06:59:32,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 865 places, 2716 transitions, 119428 flow [2021-03-26 06:59:41,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 862 places, 2716 transitions, 119042 flow, removed 173 selfloop flow, removed 3 redundant places. [2021-03-26 06:59:41,180 INFO L241 Difference]: Finished difference. Result has 865 places, 2709 transitions, 113351 flow [2021-03-26 06:59:41,182 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=112289, PETRI_DIFFERENCE_MINUEND_PLACES=854, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2692, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2661, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=113351, PETRI_PLACES=865, PETRI_TRANSITIONS=2709} [2021-03-26 06:59:41,182 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 844 predicate places. [2021-03-26 06:59:41,182 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:59:41,182 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 865 places, 2709 transitions, 113351 flow [2021-03-26 06:59:41,182 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 865 places, 2709 transitions, 113351 flow [2021-03-26 06:59:41,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 865 places, 2709 transitions, 113351 flow [2021-03-26 06:59:44,772 INFO L129 PetriNetUnfolder]: 2845/6935 cut-off events. [2021-03-26 06:59:44,772 INFO L130 PetriNetUnfolder]: For 696203/696542 co-relation queries the response was YES. [2021-03-26 06:59:44,913 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122832 conditions, 6935 events. 2845/6935 cut-off events. For 696203/696542 co-relation queries the response was YES. Maximal size of possible extension queue 842. Compared 72221 event pairs, 42 based on Foata normal form. 111/7030 useless extension candidates. Maximal degree in co-relation 122036. Up to 2560 conditions per place. [2021-03-26 06:59:45,006 INFO L142 LiptonReduction]: Number of co-enabled transitions 2144 [2021-03-26 06:59:46,884 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 06:59:46,884 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 06:59:46,884 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5702 [2021-03-26 06:59:46,884 INFO L480 AbstractCegarLoop]: Abstraction has has 865 places, 2709 transitions, 113401 flow [2021-03-26 06:59:46,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 15.25) internal successors, (183), 12 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:59:46,885 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:59:46,885 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:59:47,087 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 97 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable124 [2021-03-26 06:59:47,088 INFO L428 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:59:47,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:59:47,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1985789083, now seen corresponding path program 33 times [2021-03-26 06:59:47,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:59:47,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365765671] [2021-03-26 06:59:47,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:59:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:59:47,103 INFO L142 QuantifierPusher]: treesize reduction 25, result has 64.3 percent of original size [2021-03-26 06:59:47,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 06:59:47,138 INFO L142 QuantifierPusher]: treesize reduction 22, result has 61.4 percent of original size [2021-03-26 06:59:47,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 06:59:47,156 INFO L142 QuantifierPusher]: treesize reduction 22, result has 69.4 percent of original size [2021-03-26 06:59:47,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 06:59:47,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 06:59:47,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:59:47,217 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 06:59:47,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:59:47,236 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 06:59:47,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:47,250 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:59:47,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365765671] [2021-03-26 06:59:47,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327427696] [2021-03-26 06:59:47,250 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 98 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 98 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:59:47,273 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-26 06:59:47,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:59:47,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-03-26 06:59:47,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:59:47,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:47,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:47,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:47,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:47,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:47,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:47,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:47,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:47,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:47,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:47,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:47,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:47,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:47,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:47,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:47,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:47,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,308 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-03-26 06:59:47,308 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-26 06:59:47,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:59:47,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:59:47,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:59:47,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:59:47,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:59:47,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:59:47,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:59:47,363 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-03-26 06:59:47,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:59:47,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:59:47,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:59:47,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 06:59:47,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:59:47,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:59:47,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:59:47,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:59:47,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:59:47,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:59:47,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:59:47,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:59:47,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:59:47,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:59:47,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:59:47,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:59:47,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:59:47,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:59:47,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 06:59:47,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 06:59:47,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 06:59:47,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 06:59:47,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:59:47,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:59:47,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:59:47,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:59:47,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:59:47,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:59:47,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:59:47,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:59:47,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:59:47,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:59:47,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:59:47,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 06:59:47,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:59:47,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:59:47,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:59:47,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:59:47,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:59:47,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:59:47,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:59:47,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:59:47,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:59:47,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 06:59:47,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 06:59:47,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-26 06:59:47,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-26 06:59:47,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-03-26 06:59:47,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:59:47,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:59:47,448 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:59:47,452 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:59:47,454 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:59:47,454 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:3 [2021-03-26 06:59:47,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:59:47,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:59:47,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:47,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:47,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:47,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:47,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:47,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:47,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:47,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:59:47,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:59:47,466 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:59:47,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:59:47,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-03-26 06:59:47,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787445658] [2021-03-26 06:59:47,466 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 06:59:47,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:59:47,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 06:59:47,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-03-26 06:59:47,467 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 81 [2021-03-26 06:59:47,467 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 865 places, 2709 transitions, 113401 flow. Second operand has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:59:47,467 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:59:47,467 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 81 [2021-03-26 06:59:47,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:59:47,922 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 23 [2021-03-26 06:59:58,534 INFO L129 PetriNetUnfolder]: 3036/7269 cut-off events. [2021-03-26 06:59:58,534 INFO L130 PetriNetUnfolder]: For 719457/719583 co-relation queries the response was YES. [2021-03-26 06:59:58,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 134291 conditions, 7269 events. 3036/7269 cut-off events. For 719457/719583 co-relation queries the response was YES. Maximal size of possible extension queue 867. Compared 74833 event pairs, 168 based on Foata normal form. 36/7305 useless extension candidates. Maximal degree in co-relation 133499. Up to 5933 conditions per place. [2021-03-26 06:59:58,730 INFO L132 encePairwiseOnDemand]: 68/81 looper letters, 2665 selfloop transitions, 72 changer transitions 1/2744 dead transitions. [2021-03-26 06:59:58,730 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 877 places, 2744 transitions, 120709 flow [2021-03-26 06:59:58,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 06:59:58,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 06:59:58,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 250 transitions. [2021-03-26 06:59:58,731 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23741690408357075 [2021-03-26 06:59:58,731 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 250 transitions. [2021-03-26 06:59:58,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 250 transitions. [2021-03-26 06:59:58,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:59:58,731 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 250 transitions. [2021-03-26 06:59:58,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 19.23076923076923) internal successors, (250), 13 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:59:58,732 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 81.0) internal successors, (1134), 14 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:59:58,733 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 81.0) internal successors, (1134), 14 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:59:58,733 INFO L185 Difference]: Start difference. First operand has 865 places, 2709 transitions, 113401 flow. Second operand 13 states and 250 transitions. [2021-03-26 06:59:58,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 877 places, 2744 transitions, 120709 flow [2021-03-26 07:00:07,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 875 places, 2744 transitions, 120458 flow, removed 118 selfloop flow, removed 2 redundant places. [2021-03-26 07:00:08,058 INFO L241 Difference]: Finished difference. Result has 881 places, 2731 transitions, 114653 flow [2021-03-26 07:00:08,059 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=113150, PETRI_DIFFERENCE_MINUEND_PLACES=863, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2709, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2637, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=114653, PETRI_PLACES=881, PETRI_TRANSITIONS=2731} [2021-03-26 07:00:08,059 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 860 predicate places. [2021-03-26 07:00:08,059 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:00:08,059 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 881 places, 2731 transitions, 114653 flow [2021-03-26 07:00:08,059 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 881 places, 2731 transitions, 114653 flow [2021-03-26 07:00:08,099 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 881 places, 2731 transitions, 114653 flow [2021-03-26 07:00:11,802 INFO L129 PetriNetUnfolder]: 2857/6974 cut-off events. [2021-03-26 07:00:11,802 INFO L130 PetriNetUnfolder]: For 708744/709123 co-relation queries the response was YES. [2021-03-26 07:00:11,960 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124245 conditions, 6974 events. 2857/6974 cut-off events. For 708744/709123 co-relation queries the response was YES. Maximal size of possible extension queue 845. Compared 72698 event pairs, 42 based on Foata normal form. 114/7073 useless extension candidates. Maximal degree in co-relation 123440. Up to 2562 conditions per place. [2021-03-26 07:00:12,060 INFO L142 LiptonReduction]: Number of co-enabled transitions 2184 [2021-03-26 07:00:13,048 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:00:13,048 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:00:13,048 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4989 [2021-03-26 07:00:13,048 INFO L480 AbstractCegarLoop]: Abstraction has has 881 places, 2731 transitions, 114653 flow [2021-03-26 07:00:13,048 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:00:13,048 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:00:13,048 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:00:13,249 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 98 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable125 [2021-03-26 07:00:13,249 INFO L428 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:00:13,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:00:13,249 INFO L82 PathProgramCache]: Analyzing trace with hash -551744496, now seen corresponding path program 1 times [2021-03-26 07:00:13,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:00:13,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533257255] [2021-03-26 07:00:13,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:00:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:00:13,257 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-03-26 07:00:13,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:00:13,263 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 07:00:13,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:00:13,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:00:13,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:00:13,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:00:13,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:00:13,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:00:13,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533257255] [2021-03-26 07:00:13,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916205446] [2021-03-26 07:00:13,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 99 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 99 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 07:00:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:00:13,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 07:00:13,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 07:00:13,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:00:13,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:00:13,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:00:13,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:00:13,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:00:13,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:00:13,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:00:13,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:00:13,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:00:13,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:00:13,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:00:13,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:00:13,345 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 07:00:13,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:00:13,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:13,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:00:13,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:00:13,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:00:13,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:00:13,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:13,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:00:13,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:00:13,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:13,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:13,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:00:13,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:00:13,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:00:13,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:00:13,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:00:13,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:00:13,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:00:13,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:00:13,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:00:13,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:00:13,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:00:13,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:00:13,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:00:13,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:13,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:00:13,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:00:13,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:13,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:00:13,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:00:13,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:00:13,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:00:13,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:13,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:00:13,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:00:13,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:13,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:00:13,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:00:13,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:00:13,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:00:13,376 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 07:00:13,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:00:13,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:00:13,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:00:13,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:00:13,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:00:13,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:00:13,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:00:13,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:00:13,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:00:13,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:00:13,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:00:13,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:00:13,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:13,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:00:13,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:00:13,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 07:00:13,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-03-26 07:00:13,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260291258] [2021-03-26 07:00:13,383 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 07:00:13,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:00:13,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 07:00:13,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-26 07:00:13,384 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 81 [2021-03-26 07:00:13,384 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 881 places, 2731 transitions, 114653 flow. Second operand has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 9 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:00:13,384 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:00:13,384 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 81 [2021-03-26 07:00:13,384 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:00:24,027 INFO L129 PetriNetUnfolder]: 3050/7310 cut-off events. [2021-03-26 07:00:24,028 INFO L130 PetriNetUnfolder]: For 736458/736590 co-relation queries the response was YES. [2021-03-26 07:00:24,192 INFO L84 FinitePrefix]: Finished finitePrefix Result has 135620 conditions, 7310 events. 3050/7310 cut-off events. For 736458/736590 co-relation queries the response was YES. Maximal size of possible extension queue 878. Compared 75362 event pairs, 166 based on Foata normal form. 101/7411 useless extension candidates. Maximal degree in co-relation 134820. Up to 5907 conditions per place. [2021-03-26 07:00:24,244 INFO L132 encePairwiseOnDemand]: 68/81 looper letters, 2650 selfloop transitions, 113 changer transitions 0/2769 dead transitions. [2021-03-26 07:00:24,244 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 893 places, 2769 transitions, 121828 flow [2021-03-26 07:00:24,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:00:24,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:00:24,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 242 transitions. [2021-03-26 07:00:24,245 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22981956315289648 [2021-03-26 07:00:24,245 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 242 transitions. [2021-03-26 07:00:24,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 242 transitions. [2021-03-26 07:00:24,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:00:24,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 242 transitions. [2021-03-26 07:00:24,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 18.615384615384617) internal successors, (242), 13 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:00:24,246 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 81.0) internal successors, (1134), 14 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:00:24,246 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 81.0) internal successors, (1134), 14 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:00:24,246 INFO L185 Difference]: Start difference. First operand has 881 places, 2731 transitions, 114653 flow. Second operand 13 states and 242 transitions. [2021-03-26 07:00:24,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 893 places, 2769 transitions, 121828 flow [2021-03-26 07:00:34,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 887 places, 2769 transitions, 121512 flow, removed 100 selfloop flow, removed 6 redundant places. [2021-03-26 07:00:34,287 INFO L241 Difference]: Finished difference. Result has 889 places, 2755 transitions, 115814 flow [2021-03-26 07:00:34,288 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=114337, PETRI_DIFFERENCE_MINUEND_PLACES=875, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2731, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2624, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=115814, PETRI_PLACES=889, PETRI_TRANSITIONS=2755} [2021-03-26 07:00:34,288 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 868 predicate places. [2021-03-26 07:00:34,288 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:00:34,289 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 889 places, 2755 transitions, 115814 flow [2021-03-26 07:00:34,289 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 889 places, 2755 transitions, 115814 flow [2021-03-26 07:00:34,329 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 889 places, 2755 transitions, 115814 flow [2021-03-26 07:00:38,585 INFO L129 PetriNetUnfolder]: 2871/7051 cut-off events. [2021-03-26 07:00:38,586 INFO L130 PetriNetUnfolder]: For 728979/729303 co-relation queries the response was YES. [2021-03-26 07:00:38,743 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125653 conditions, 7051 events. 2871/7051 cut-off events. For 728979/729303 co-relation queries the response was YES. Maximal size of possible extension queue 872. Compared 74080 event pairs, 42 based on Foata normal form. 111/7154 useless extension candidates. Maximal degree in co-relation 124838. Up to 2567 conditions per place. [2021-03-26 07:00:38,843 INFO L142 LiptonReduction]: Number of co-enabled transitions 2228 [2021-03-26 07:00:39,614 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:00:39,614 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:00:39,614 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5326 [2021-03-26 07:00:39,615 INFO L480 AbstractCegarLoop]: Abstraction has has 889 places, 2755 transitions, 115814 flow [2021-03-26 07:00:39,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 9 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:00:39,615 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:00:39,615 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:00:39,815 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126,99 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 07:00:39,815 INFO L428 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:00:39,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:00:39,816 INFO L82 PathProgramCache]: Analyzing trace with hash 39016672, now seen corresponding path program 9 times [2021-03-26 07:00:39,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:00:39,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430135016] [2021-03-26 07:00:39,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:00:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:00:39,832 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 07:00:39,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:00:39,856 INFO L142 QuantifierPusher]: treesize reduction 94, result has 44.4 percent of original size [2021-03-26 07:00:39,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 07:00:39,933 INFO L142 QuantifierPusher]: treesize reduction 7, result has 87.3 percent of original size [2021-03-26 07:00:39,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 07:00:39,982 INFO L142 QuantifierPusher]: treesize reduction 10, result has 75.0 percent of original size [2021-03-26 07:00:39,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:00:40,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:00:40,016 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 07:00:40,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 07:00:40,033 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 07:00:40,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:00:40,047 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:00:40,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430135016] [2021-03-26 07:00:40,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366945111] [2021-03-26 07:00:40,047 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 100 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 100 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 07:00:40,068 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-26 07:00:40,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 07:00:40,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 29 conjunts are in the unsatisfiable core [2021-03-26 07:00:40,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 07:00:40,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:00:40,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 07:00:40,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 07:00:40,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 07:00:40,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 07:00:40,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 07:00:40,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 07:00:40,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 07:00:40,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:00:40,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:00:40,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:00:40,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:00:40,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:00:40,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:00:40,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:00:40,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:00:40,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,106 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size 29 [2021-03-26 07:00:40,106 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-03-26 07:00:40,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 07:00:40,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 07:00:40,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 07:00:40,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,126 INFO L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-03-26 07:00:40,127 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.5 percent of original size [2021-03-26 07:00:40,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:40,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 07:00:40,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 07:00:40,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:40,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 07:00:40,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 07:00:40,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:40,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 07:00:40,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 07:00:40,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:40,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 07:00:40,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 07:00:40,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:40,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 07:00:40,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 07:00:40,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:40,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 07:00:40,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 07:00:40,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:40,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 07:00:40,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 07:00:40,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:40,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 07:00:40,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 07:00:40,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:40,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 07:00:40,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 07:00:40,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:40,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 07:00:40,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 07:00:40,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:40,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 07:00:40,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 07:00:40,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:40,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 07:00:40,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 07:00:40,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:40,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 07:00:40,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 07:00:40,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:40,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 07:00:40,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 07:00:40,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:40,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 07:00:40,167 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.4 percent of original size 35 [2021-03-26 07:00:40,180 INFO L142 QuantifierPusher]: treesize reduction 6, result has 85.7 percent of original size [2021-03-26 07:00:40,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:40,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 07:00:40,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 07:00:40,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:40,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:40,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:00:40,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 07:00:40,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:40,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:40,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 07:00:40,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:00:40,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:40,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 07:00:40,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 07:00:40,205 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2021-03-26 07:00:40,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,206 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 07:00:40,207 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:40,208 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.2 percent of original size [2021-03-26 07:00:40,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 07:00:40,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 07:00:40,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 07:00:40,211 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-26 07:00:40,232 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,234 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 07:00:40,235 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:40,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,236 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 07:00:40,237 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:40,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 07:00:40,239 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 07:00:40,239 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:40,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,241 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.5 percent of original size 42 [2021-03-26 07:00:40,242 INFO L147 QuantifierPusher]: treesize reduction 6, result has 92.7 percent of original size 76 [2021-03-26 07:00:40,243 INFO L147 QuantifierPusher]: treesize reduction 20, result has 77.5 percent of original size 69 [2021-03-26 07:00:40,243 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 07:00:40,243 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:89 [2021-03-26 07:00:40,244 INFO L142 QuantifierPusher]: treesize reduction 20, result has 77.5 percent of original size [2021-03-26 07:00:40,244 INFO L147 QuantifierPusher]: treesize reduction 20, result has 71.0 percent of original size 49 [2021-03-26 07:00:40,245 INFO L142 QuantifierPusher]: treesize reduction 20, result has 71.0 percent of original size [2021-03-26 07:00:40,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 07:00:40,307 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-26 07:00:40,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 07:00:40,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:40,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:00:40,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 07:00:40,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,311 INFO L147 QuantifierPusher]: treesize reduction 9, result has 76.3 percent of original size 29 [2021-03-26 07:00:40,312 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.3 percent of original size [2021-03-26 07:00:40,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 07:00:40,348 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size [2021-03-26 07:00:40,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 07:00:40,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:40,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 07:00:40,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 07:00:40,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:40,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,354 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-26 07:00:40,358 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:40,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:00:40,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:00:40,362 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-03-26 07:00:40,363 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:00:40,364 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-03-26 07:00:40,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:00:40,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:00:40,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:00:40,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:00:40,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:00:40,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:00:40,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:00:40,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:00:40,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:00:40,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:00:40,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:00:40,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:00:40,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:00:40,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:00:40,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:00:40,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:00:40,385 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:00:40,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 07:00:40,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-26 07:00:40,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164561813] [2021-03-26 07:00:40,385 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-26 07:00:40,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:00:40,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-26 07:00:40,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-03-26 07:00:40,386 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 81 [2021-03-26 07:00:40,386 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 889 places, 2755 transitions, 115814 flow. Second operand has 15 states, 15 states have (on average 15.133333333333333) internal successors, (227), 15 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:00:40,386 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:00:40,386 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 81 [2021-03-26 07:00:40,386 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:00:50,795 INFO L129 PetriNetUnfolder]: 3078/7387 cut-off events. [2021-03-26 07:00:50,796 INFO L130 PetriNetUnfolder]: For 758046/758253 co-relation queries the response was YES. [2021-03-26 07:00:50,957 INFO L84 FinitePrefix]: Finished finitePrefix Result has 137345 conditions, 7387 events. 3078/7387 cut-off events. For 758046/758253 co-relation queries the response was YES. Maximal size of possible extension queue 883. Compared 76547 event pairs, 173 based on Foata normal form. 94/7481 useless extension candidates. Maximal degree in co-relation 136543. Up to 5975 conditions per place. [2021-03-26 07:00:51,010 INFO L132 encePairwiseOnDemand]: 67/81 looper letters, 2677 selfloop transitions, 124 changer transitions 2/2809 dead transitions. [2021-03-26 07:00:51,010 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 905 places, 2809 transitions, 123371 flow [2021-03-26 07:00:51,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 07:00:51,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 07:00:51,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 327 transitions. [2021-03-26 07:00:51,012 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2374727668845316 [2021-03-26 07:00:51,012 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 327 transitions. [2021-03-26 07:00:51,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 327 transitions. [2021-03-26 07:00:51,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:00:51,012 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 327 transitions. [2021-03-26 07:00:51,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 19.235294117647058) internal successors, (327), 17 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:00:51,013 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 81.0) internal successors, (1458), 18 states have internal predecessors, (1458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:00:51,013 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 81.0) internal successors, (1458), 18 states have internal predecessors, (1458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:00:51,013 INFO L185 Difference]: Start difference. First operand has 889 places, 2755 transitions, 115814 flow. Second operand 17 states and 327 transitions. [2021-03-26 07:00:51,013 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 905 places, 2809 transitions, 123371 flow [2021-03-26 07:01:01,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 899 places, 2809 transitions, 123121 flow, removed 83 selfloop flow, removed 6 redundant places. [2021-03-26 07:01:01,436 INFO L241 Difference]: Finished difference. Result has 905 places, 2785 transitions, 116915 flow [2021-03-26 07:01:01,438 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=115564, PETRI_DIFFERENCE_MINUEND_PLACES=883, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2755, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=101, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2639, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=116915, PETRI_PLACES=905, PETRI_TRANSITIONS=2785} [2021-03-26 07:01:01,438 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 884 predicate places. [2021-03-26 07:01:01,438 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:01:01,438 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 905 places, 2785 transitions, 116915 flow [2021-03-26 07:01:01,438 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 905 places, 2785 transitions, 116915 flow [2021-03-26 07:01:01,518 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 905 places, 2785 transitions, 116915 flow [2021-03-26 07:01:05,538 INFO L129 PetriNetUnfolder]: 2894/7108 cut-off events. [2021-03-26 07:01:05,538 INFO L130 PetriNetUnfolder]: For 746108/746446 co-relation queries the response was YES. [2021-03-26 07:01:05,695 INFO L84 FinitePrefix]: Finished finitePrefix Result has 127463 conditions, 7108 events. 2894/7108 cut-off events. For 746108/746446 co-relation queries the response was YES. Maximal size of possible extension queue 870. Compared 74671 event pairs, 42 based on Foata normal form. 107/7203 useless extension candidates. Maximal degree in co-relation 126636. Up to 2597 conditions per place. [2021-03-26 07:01:05,800 INFO L142 LiptonReduction]: Number of co-enabled transitions 2282 [2021-03-26 07:01:06,647 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:01:06,648 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:01:06,648 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5210 [2021-03-26 07:01:06,648 INFO L480 AbstractCegarLoop]: Abstraction has has 905 places, 2785 transitions, 116915 flow [2021-03-26 07:01:06,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 15.133333333333333) internal successors, (227), 15 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:01:06,648 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:01:06,648 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:01:06,848 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 100 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable127 [2021-03-26 07:01:06,849 INFO L428 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:01:06,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:01:06,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1325011340, now seen corresponding path program 10 times [2021-03-26 07:01:06,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:01:06,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762566890] [2021-03-26 07:01:06,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:01:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:01:06,862 INFO L142 QuantifierPusher]: treesize reduction 7, result has 65.0 percent of original size [2021-03-26 07:01:06,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 07:01:06,870 INFO L142 QuantifierPusher]: treesize reduction 34, result has 55.3 percent of original size [2021-03-26 07:01:06,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 07:01:06,894 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size [2021-03-26 07:01:06,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 07:01:06,911 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size [2021-03-26 07:01:06,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 07:01:06,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:06,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:01:06,948 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 07:01:06,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 07:01:06,965 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 07:01:06,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:06,975 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:01:06,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762566890] [2021-03-26 07:01:06,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926538707] [2021-03-26 07:01:06,975 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 101 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 101 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 07:01:06,993 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 07:01:06,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 07:01:06,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-26 07:01:06,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 07:01:06,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:06,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:01:06,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:06,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:01:06,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:06,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:01:06,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:06,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:01:07,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:01:07,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:01:07,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:01:07,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:01:07,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 07:01:07,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 07:01:07,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 07:01:07,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 07:01:07,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,029 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size 27 [2021-03-26 07:01:07,030 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size [2021-03-26 07:01:07,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 07:01:07,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 07:01:07,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 07:01:07,048 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size [2021-03-26 07:01:07,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:01:07,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:01:07,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:07,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 07:01:07,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 07:01:07,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 07:01:07,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 07:01:07,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 07:01:07,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 07:01:07,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 07:01:07,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 07:01:07,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 07:01:07,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 07:01:07,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 07:01:07,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,076 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size 31 [2021-03-26 07:01:07,076 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-26 07:01:07,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:01:07,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:07,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 07:01:07,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 07:01:07,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 07:01:07,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,098 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size 28 [2021-03-26 07:01:07,098 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-03-26 07:01:07,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:01:07,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 07:01:07,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:01:07,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:01:07,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:01:07,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:01:07,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 07:01:07,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:01:07,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:01:07,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:01:07,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:01:07,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:01:07,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 07:01:07,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:01:07,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 07:01:07,109 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-26 07:01:07,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-03-26 07:01:07,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:01:07,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:01:07,110 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 07:01:07,114 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:01:07,115 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 07:01:07,115 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-03-26 07:01:07,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:01:07,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:01:07,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:07,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:07,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:07,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:07,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:07,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:07,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:07,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:07,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:07,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:07,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:07,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:07,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:07,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:07,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:07,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:07,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:07,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:07,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:07,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:07,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:07,134 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:01:07,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 07:01:07,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-03-26 07:01:07,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500273959] [2021-03-26 07:01:07,134 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 07:01:07,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:01:07,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 07:01:07,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-03-26 07:01:07,135 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 81 [2021-03-26 07:01:07,135 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 905 places, 2785 transitions, 116915 flow. Second operand has 14 states, 14 states have (on average 15.142857142857142) internal successors, (212), 14 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:01:07,135 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:01:07,135 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 81 [2021-03-26 07:01:07,135 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:01:17,092 INFO L129 PetriNetUnfolder]: 3084/7403 cut-off events. [2021-03-26 07:01:17,092 INFO L130 PetriNetUnfolder]: For 774406/774664 co-relation queries the response was YES. [2021-03-26 07:01:17,255 INFO L84 FinitePrefix]: Finished finitePrefix Result has 138639 conditions, 7403 events. 3084/7403 cut-off events. For 774406/774664 co-relation queries the response was YES. Maximal size of possible extension queue 894. Compared 76760 event pairs, 168 based on Foata normal form. 102/7505 useless extension candidates. Maximal degree in co-relation 137828. Up to 5956 conditions per place. [2021-03-26 07:01:17,307 INFO L132 encePairwiseOnDemand]: 68/81 looper letters, 2674 selfloop transitions, 142 changer transitions 4/2826 dead transitions. [2021-03-26 07:01:17,307 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 922 places, 2826 transitions, 124292 flow [2021-03-26 07:01:17,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 07:01:17,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 07:01:17,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 345 transitions. [2021-03-26 07:01:17,308 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2366255144032922 [2021-03-26 07:01:17,308 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 345 transitions. [2021-03-26 07:01:17,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 345 transitions. [2021-03-26 07:01:17,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:01:17,308 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 345 transitions. [2021-03-26 07:01:17,308 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 19.166666666666668) internal successors, (345), 18 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:01:17,309 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 81.0) internal successors, (1539), 19 states have internal predecessors, (1539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:01:17,309 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 81.0) internal successors, (1539), 19 states have internal predecessors, (1539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:01:17,309 INFO L185 Difference]: Start difference. First operand has 905 places, 2785 transitions, 116915 flow. Second operand 18 states and 345 transitions. [2021-03-26 07:01:17,309 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 922 places, 2826 transitions, 124292 flow [2021-03-26 07:01:27,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 913 places, 2826 transitions, 123924 flow, removed 123 selfloop flow, removed 9 redundant places. [2021-03-26 07:01:27,254 INFO L241 Difference]: Finished difference. Result has 918 places, 2798 transitions, 117398 flow [2021-03-26 07:01:27,255 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=116547, PETRI_DIFFERENCE_MINUEND_PLACES=896, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2785, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=129, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2643, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=117398, PETRI_PLACES=918, PETRI_TRANSITIONS=2798} [2021-03-26 07:01:27,255 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 897 predicate places. [2021-03-26 07:01:27,255 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:01:27,255 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 918 places, 2798 transitions, 117398 flow [2021-03-26 07:01:27,255 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 918 places, 2798 transitions, 117398 flow [2021-03-26 07:01:27,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 918 places, 2798 transitions, 117398 flow [2021-03-26 07:01:31,007 INFO L129 PetriNetUnfolder]: 2900/7112 cut-off events. [2021-03-26 07:01:31,007 INFO L130 PetriNetUnfolder]: For 755836/756234 co-relation queries the response was YES. [2021-03-26 07:01:31,170 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128162 conditions, 7112 events. 2900/7112 cut-off events. For 755836/756234 co-relation queries the response was YES. Maximal size of possible extension queue 875. Compared 74734 event pairs, 41 based on Foata normal form. 114/7211 useless extension candidates. Maximal degree in co-relation 127326. Up to 2601 conditions per place. [2021-03-26 07:01:31,278 INFO L142 LiptonReduction]: Number of co-enabled transitions 2320 [2021-03-26 07:01:31,470 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 21 [2021-03-26 07:01:33,546 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:01:33,547 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:01:33,547 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6292 [2021-03-26 07:01:33,547 INFO L480 AbstractCegarLoop]: Abstraction has has 918 places, 2798 transitions, 117436 flow [2021-03-26 07:01:33,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.142857142857142) internal successors, (212), 14 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:01:33,547 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:01:33,547 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:01:33,748 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 101 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable134 [2021-03-26 07:01:33,748 INFO L428 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:01:33,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:01:33,748 INFO L82 PathProgramCache]: Analyzing trace with hash 610379248, now seen corresponding path program 11 times [2021-03-26 07:01:33,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:01:33,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127389357] [2021-03-26 07:01:33,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:01:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:01:33,759 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 07:01:33,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:01:33,776 INFO L142 QuantifierPusher]: treesize reduction 91, result has 45.2 percent of original size [2021-03-26 07:01:33,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-26 07:01:33,838 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.0 percent of original size [2021-03-26 07:01:33,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 07:01:33,882 INFO L142 QuantifierPusher]: treesize reduction 10, result has 75.0 percent of original size [2021-03-26 07:01:33,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:01:33,902 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-26 07:01:33,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 07:01:33,919 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 07:01:33,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 07:01:33,935 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 07:01:33,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:33,948 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:01:33,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127389357] [2021-03-26 07:01:33,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939229627] [2021-03-26 07:01:33,949 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 102 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 102 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 07:01:33,975 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-26 07:01:33,975 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 07:01:33,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 25 conjunts are in the unsatisfiable core [2021-03-26 07:01:33,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 07:01:33,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:33,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:01:33,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:33,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:01:33,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:33,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:01:33,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:33,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:01:33,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:33,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:01:33,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:33,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:01:33,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:33,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:01:33,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:33,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:01:33,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:33,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:01:33,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:33,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:01:33,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:33,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:01:33,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:33,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:01:33,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:33,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:01:33,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:33,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:01:33,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:33,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:01:33,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:33,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:01:33,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:33,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 07:01:33,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:33,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 07:01:33,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:33,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 07:01:33,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:33,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 07:01:34,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:01:34,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:01:34,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:01:34,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:01:34,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,023 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size 30 [2021-03-26 07:01:34,023 INFO L142 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size [2021-03-26 07:01:34,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:01:34,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:01:34,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:01:34,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 07:01:34,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:01:34,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 07:01:34,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 07:01:34,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:01:34,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 07:01:34,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 07:01:34,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 07:01:34,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 07:01:34,057 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-03-26 07:01:34,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:01:34,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 07:01:34,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:01:34,060 INFO L142 QuantifierPusher]: treesize reduction 6, result has 57.1 percent of original size [2021-03-26 07:01:34,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 07:01:34,061 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-03-26 07:01:34,069 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:01:34,071 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 07:01:34,071 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:17 [2021-03-26 07:01:34,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:01:34,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:01:34,094 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-03-26 07:01:34,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 07:01:34,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:01:34,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 07:01:34,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:01:34,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,097 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 07:01:34,098 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:01:34,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:01:34,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:01:34,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:01:34,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:34,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:34,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:34,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:34,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:34,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:34,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:34,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:34,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:34,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:34,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:34,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:34,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:34,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:34,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:34,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:34,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:34,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:34,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:34,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:01:34,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:01:34,129 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:01:34,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 07:01:34,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2021-03-26 07:01:34,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855710398] [2021-03-26 07:01:34,131 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 07:01:34,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:01:34,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 07:01:34,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-03-26 07:01:34,132 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 82 [2021-03-26 07:01:34,132 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 918 places, 2798 transitions, 117436 flow. Second operand has 13 states, 13 states have (on average 15.153846153846153) internal successors, (197), 13 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:01:34,132 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:01:34,132 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 82 [2021-03-26 07:01:34,132 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:01:45,825 INFO L129 PetriNetUnfolder]: 3096/7415 cut-off events. [2021-03-26 07:01:45,825 INFO L130 PetriNetUnfolder]: For 781103/781367 co-relation queries the response was YES. [2021-03-26 07:01:45,993 INFO L84 FinitePrefix]: Finished finitePrefix Result has 139621 conditions, 7415 events. 3096/7415 cut-off events. For 781103/781367 co-relation queries the response was YES. Maximal size of possible extension queue 895. Compared 76752 event pairs, 166 based on Foata normal form. 103/7518 useless extension candidates. Maximal degree in co-relation 138803. Up to 5933 conditions per place. [2021-03-26 07:01:46,045 INFO L132 encePairwiseOnDemand]: 69/82 looper letters, 2661 selfloop transitions, 182 changer transitions 4/2853 dead transitions. [2021-03-26 07:01:46,046 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 931 places, 2853 transitions, 125730 flow [2021-03-26 07:01:46,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:01:46,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:01:46,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 281 transitions. [2021-03-26 07:01:46,047 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24477351916376305 [2021-03-26 07:01:46,047 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 281 transitions. [2021-03-26 07:01:46,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 281 transitions. [2021-03-26 07:01:46,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:01:46,047 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 281 transitions. [2021-03-26 07:01:46,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 20.071428571428573) internal successors, (281), 14 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:01:46,048 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 82.0) internal successors, (1230), 15 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:01:46,048 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 82.0) internal successors, (1230), 15 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:01:46,048 INFO L185 Difference]: Start difference. First operand has 918 places, 2798 transitions, 117436 flow. Second operand 14 states and 281 transitions. [2021-03-26 07:01:46,048 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 931 places, 2853 transitions, 125730 flow [2021-03-26 07:01:57,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 924 places, 2853 transitions, 125236 flow, removed 164 selfloop flow, removed 7 redundant places. [2021-03-26 07:01:57,643 INFO L241 Difference]: Finished difference. Result has 928 places, 2820 transitions, 118442 flow [2021-03-26 07:01:57,645 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=116960, PETRI_DIFFERENCE_MINUEND_PLACES=911, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2798, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=160, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2620, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=118442, PETRI_PLACES=928, PETRI_TRANSITIONS=2820} [2021-03-26 07:01:57,645 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 907 predicate places. [2021-03-26 07:01:57,645 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:01:57,645 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 928 places, 2820 transitions, 118442 flow [2021-03-26 07:01:57,645 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 928 places, 2820 transitions, 118442 flow [2021-03-26 07:01:57,690 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 928 places, 2820 transitions, 118442 flow [2021-03-26 07:02:02,539 INFO L129 PetriNetUnfolder]: 2917/7164 cut-off events. [2021-03-26 07:02:02,539 INFO L130 PetriNetUnfolder]: For 763994/764345 co-relation queries the response was YES. [2021-03-26 07:02:02,724 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129354 conditions, 7164 events. 2917/7164 cut-off events. For 763994/764345 co-relation queries the response was YES. Maximal size of possible extension queue 861. Compared 75227 event pairs, 39 based on Foata normal form. 113/7266 useless extension candidates. Maximal degree in co-relation 128514. Up to 2608 conditions per place. [2021-03-26 07:02:02,834 INFO L142 LiptonReduction]: Number of co-enabled transitions 2350 [2021-03-26 07:02:03,759 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:02:03,760 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:02:03,760 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6115 [2021-03-26 07:02:03,760 INFO L480 AbstractCegarLoop]: Abstraction has has 928 places, 2820 transitions, 118442 flow [2021-03-26 07:02:03,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.153846153846153) internal successors, (197), 13 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:02:03,760 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:02:03,760 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:02:03,960 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 102 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable135 [2021-03-26 07:02:03,961 INFO L428 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:02:03,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:02:03,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1591264607, now seen corresponding path program 34 times [2021-03-26 07:02:03,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:02:03,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626079440] [2021-03-26 07:02:03,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:02:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:02:03,975 INFO L142 QuantifierPusher]: treesize reduction 41, result has 43.8 percent of original size [2021-03-26 07:02:03,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 07:02:04,009 INFO L142 QuantifierPusher]: treesize reduction 9, result has 79.5 percent of original size [2021-03-26 07:02:04,009 INFO L147 QuantifierPusher]: treesize reduction 5, result has 85.7 percent of original size 30 [2021-03-26 07:02:04,055 INFO L142 QuantifierPusher]: treesize reduction 9, result has 85.5 percent of original size [2021-03-26 07:02:04,055 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.6 percent of original size 48 [2021-03-26 07:02:04,118 INFO L142 QuantifierPusher]: treesize reduction 9, result has 83.3 percent of original size [2021-03-26 07:02:04,118 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.9 percent of original size 40 [2021-03-26 07:02:04,167 INFO L142 QuantifierPusher]: treesize reduction 5, result has 89.8 percent of original size [2021-03-26 07:02:04,168 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.6 percent of original size 39 [2021-03-26 07:02:04,202 INFO L142 QuantifierPusher]: treesize reduction 16, result has 48.4 percent of original size [2021-03-26 07:02:04,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 07:02:04,220 INFO L142 QuantifierPusher]: treesize reduction 17, result has 34.6 percent of original size [2021-03-26 07:02:04,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:04,235 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 07:02:04,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:04,236 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:02:04,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626079440] [2021-03-26 07:02:04,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156938919] [2021-03-26 07:02:04,236 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 103 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 103 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 07:02:04,260 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 07:02:04,260 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 07:02:04,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-26 07:02:04,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 07:02:04,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:02:04,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 07:02:04,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 07:02:04,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 07:02:04,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 07:02:04,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 07:02:04,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 07:02:04,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 07:02:04,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,286 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size 23 [2021-03-26 07:02:04,286 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-26 07:02:04,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 07:02:04,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 07:02:04,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 07:02:04,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,307 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-03-26 07:02:04,307 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-26 07:02:04,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:02:04,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:02:04,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:02:04,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:02:04,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:02:04,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:02:04,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:02:04,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:02:04,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:02:04,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:02:04,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:02:04,336 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-26 07:02:04,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 07:02:04,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:02:04,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:02:04,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 07:02:04,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:02:04,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:02:04,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 07:02:04,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 07:02:04,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 07:02:04,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 07:02:04,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:02:04,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 07:02:04,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 07:02:04,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:02:04,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:02:04,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 07:02:04,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 07:02:04,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 07:02:04,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:02:04,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:02:04,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:02:04,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 07:02:04,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:02:04,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:02:04,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 07:02:04,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:02:04,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:02:04,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 07:02:04,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 07:02:04,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 07:02:04,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 07:02:04,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-26 07:02:04,413 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-26 07:02:04,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-03-26 07:02:04,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:02:04,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:02:04,417 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 07:02:04,422 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:02:04,425 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 07:02:04,425 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:3 [2021-03-26 07:02:04,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:02:04,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:02:04,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:04,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:04,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:04,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:04,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:04,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:04,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:04,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:04,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:04,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:04,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:04,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:04,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:04,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:04,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:04,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:04,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:04,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:04,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:04,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:04,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:04,451 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:02:04,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 07:02:04,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-03-26 07:02:04,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533603782] [2021-03-26 07:02:04,451 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 07:02:04,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:02:04,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 07:02:04,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-03-26 07:02:04,452 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 82 [2021-03-26 07:02:04,452 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 928 places, 2820 transitions, 118442 flow. Second operand has 14 states, 14 states have (on average 16.142857142857142) internal successors, (226), 14 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:02:04,452 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:02:04,452 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 82 [2021-03-26 07:02:04,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:02:18,292 INFO L129 PetriNetUnfolder]: 3105/7439 cut-off events. [2021-03-26 07:02:18,292 INFO L130 PetriNetUnfolder]: For 794255/794374 co-relation queries the response was YES. [2021-03-26 07:02:18,468 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140502 conditions, 7439 events. 3105/7439 cut-off events. For 794255/794374 co-relation queries the response was YES. Maximal size of possible extension queue 912. Compared 77159 event pairs, 38 based on Foata normal form. 92/7531 useless extension candidates. Maximal degree in co-relation 139676. Up to 4932 conditions per place. [2021-03-26 07:02:18,665 INFO L132 encePairwiseOnDemand]: 62/82 looper letters, 2133 selfloop transitions, 759 changer transitions 2/2900 dead transitions. [2021-03-26 07:02:18,665 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 944 places, 2900 transitions, 127336 flow [2021-03-26 07:02:18,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 07:02:18,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 07:02:18,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 337 transitions. [2021-03-26 07:02:18,666 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2417503586800574 [2021-03-26 07:02:18,666 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 337 transitions. [2021-03-26 07:02:18,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 337 transitions. [2021-03-26 07:02:18,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:02:18,666 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 337 transitions. [2021-03-26 07:02:18,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 19.823529411764707) internal successors, (337), 17 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:02:18,667 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 82.0) internal successors, (1476), 18 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:02:18,667 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 82.0) internal successors, (1476), 18 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:02:18,667 INFO L185 Difference]: Start difference. First operand has 928 places, 2820 transitions, 118442 flow. Second operand 17 states and 337 transitions. [2021-03-26 07:02:18,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 944 places, 2900 transitions, 127336 flow [2021-03-26 07:02:29,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 935 places, 2900 transitions, 126776 flow, removed 148 selfloop flow, removed 9 redundant places. [2021-03-26 07:02:29,664 INFO L241 Difference]: Finished difference. Result has 937 places, 2831 transitions, 120803 flow [2021-03-26 07:02:29,665 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=117964, PETRI_DIFFERENCE_MINUEND_PLACES=919, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2820, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=751, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2066, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=120803, PETRI_PLACES=937, PETRI_TRANSITIONS=2831} [2021-03-26 07:02:29,666 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 916 predicate places. [2021-03-26 07:02:29,666 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:02:29,666 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 937 places, 2831 transitions, 120803 flow [2021-03-26 07:02:29,666 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 937 places, 2831 transitions, 120803 flow [2021-03-26 07:02:29,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 937 places, 2831 transitions, 120803 flow [2021-03-26 07:02:33,587 INFO L129 PetriNetUnfolder]: 2921/7177 cut-off events. [2021-03-26 07:02:33,588 INFO L130 PetriNetUnfolder]: For 792923/793340 co-relation queries the response was YES. [2021-03-26 07:02:33,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 131902 conditions, 7177 events. 2921/7177 cut-off events. For 792923/793340 co-relation queries the response was YES. Maximal size of possible extension queue 885. Compared 75827 event pairs, 39 based on Foata normal form. 116/7284 useless extension candidates. Maximal degree in co-relation 131096. Up to 2586 conditions per place. [2021-03-26 07:02:33,840 INFO L142 LiptonReduction]: Number of co-enabled transitions 2382 [2021-03-26 07:02:34,675 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:02:34,675 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:02:34,675 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5009 [2021-03-26 07:02:34,675 INFO L480 AbstractCegarLoop]: Abstraction has has 937 places, 2831 transitions, 120803 flow [2021-03-26 07:02:34,675 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 16.142857142857142) internal successors, (226), 14 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:02:34,675 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:02:34,675 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:02:34,876 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137,103 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 07:02:34,876 INFO L428 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:02:34,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:02:34,876 INFO L82 PathProgramCache]: Analyzing trace with hash -983814723, now seen corresponding path program 35 times [2021-03-26 07:02:34,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:02:34,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137835490] [2021-03-26 07:02:34,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:02:34,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:02:34,911 INFO L142 QuantifierPusher]: treesize reduction 25, result has 64.3 percent of original size [2021-03-26 07:02:34,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 07:02:34,945 INFO L142 QuantifierPusher]: treesize reduction 22, result has 61.4 percent of original size [2021-03-26 07:02:34,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 07:02:34,959 INFO L142 QuantifierPusher]: treesize reduction 22, result has 69.4 percent of original size [2021-03-26 07:02:34,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 07:02:34,979 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-03-26 07:02:34,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 07:02:34,996 INFO L142 QuantifierPusher]: treesize reduction 32, result has 48.4 percent of original size [2021-03-26 07:02:34,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:02:35,028 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 07:02:35,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 07:02:35,042 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 07:02:35,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:35,053 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:02:35,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137835490] [2021-03-26 07:02:35,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084918979] [2021-03-26 07:02:35,053 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 104 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 104 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 07:02:35,071 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-26 07:02:35,071 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 07:02:35,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-03-26 07:02:35,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 07:02:35,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:02:35,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:02:35,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:02:35,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:02:35,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:02:35,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:02:35,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:02:35,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:02:35,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,092 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-03-26 07:02:35,093 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-26 07:02:35,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:02:35,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:02:35,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:02:35,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,110 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-03-26 07:02:35,110 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-26 07:02:35,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 07:02:35,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 07:02:35,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 07:02:35,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 07:02:35,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 07:02:35,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 07:02:35,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 07:02:35,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 07:02:35,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 07:02:35,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 07:02:35,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 07:02:35,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 07:02:35,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 07:02:35,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 07:02:35,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 07:02:35,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 07:02:35,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:02:35,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:02:35,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 07:02:35,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:02:35,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:02:35,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 07:02:35,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 07:02:35,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 07:02:35,171 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-03-26 07:02:35,172 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.7 percent of original size [2021-03-26 07:02:35,172 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-26 07:02:35,172 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 07:02:35,173 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,173 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 07:02:35,174 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:02:35,174 INFO L142 QuantifierPusher]: treesize reduction 19, result has 60.4 percent of original size [2021-03-26 07:02:35,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 07:02:35,175 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-26 07:02:35,175 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 07:02:35,175 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,176 INFO L147 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size 32 [2021-03-26 07:02:35,177 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-03-26 07:02:35,177 INFO L147 QuantifierPusher]: treesize reduction 24, result has 25.0 percent of original size 8 [2021-03-26 07:02:35,177 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-03-26 07:02:35,202 INFO L628 ElimStorePlain]: treesize reduction 24, result has 38.5 percent of original size [2021-03-26 07:02:35,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 07:02:35,202 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 07:02:35,202 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:15 [2021-03-26 07:02:35,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 07:02:35,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 07:02:35,219 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-26 07:02:35,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 07:02:35,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:02:35,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 07:02:35,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:02:35,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,221 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 07:02:35,222 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:02:35,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:02:35,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:02:35,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:02:35,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:35,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:35,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:35,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:35,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:35,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:35,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:35,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:35,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:35,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:35,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:35,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:35,380 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2021-03-26 07:02:35,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:35,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:35,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:35,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:35,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:35,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:35,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:35,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:02:35,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:02:35,384 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:02:35,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 07:02:35,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-03-26 07:02:35,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868719881] [2021-03-26 07:02:35,385 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 07:02:35,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:02:35,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 07:02:35,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2021-03-26 07:02:35,385 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 82 [2021-03-26 07:02:35,385 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 937 places, 2831 transitions, 120803 flow. Second operand has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:02:35,385 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:02:35,385 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 82 [2021-03-26 07:02:35,385 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:02:46,346 INFO L129 PetriNetUnfolder]: 3177/7634 cut-off events. [2021-03-26 07:02:46,346 INFO L130 PetriNetUnfolder]: For 852383/852516 co-relation queries the response was YES. [2021-03-26 07:02:46,513 INFO L84 FinitePrefix]: Finished finitePrefix Result has 147341 conditions, 7634 events. 3177/7634 cut-off events. For 852383/852516 co-relation queries the response was YES. Maximal size of possible extension queue 927. Compared 79761 event pairs, 173 based on Foata normal form. 36/7670 useless extension candidates. Maximal degree in co-relation 146512. Up to 6094 conditions per place. [2021-03-26 07:02:46,569 INFO L132 encePairwiseOnDemand]: 68/82 looper letters, 2737 selfloop transitions, 202 changer transitions 2/2947 dead transitions. [2021-03-26 07:02:46,569 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 954 places, 2947 transitions, 133277 flow [2021-03-26 07:02:46,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 07:02:46,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 07:02:46,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 346 transitions. [2021-03-26 07:02:46,570 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23441734417344173 [2021-03-26 07:02:46,570 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 346 transitions. [2021-03-26 07:02:46,570 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 346 transitions. [2021-03-26 07:02:46,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:02:46,570 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 346 transitions. [2021-03-26 07:02:46,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 19.22222222222222) internal successors, (346), 18 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:02:46,571 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 82.0) internal successors, (1558), 19 states have internal predecessors, (1558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:02:46,571 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 82.0) internal successors, (1558), 19 states have internal predecessors, (1558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:02:46,571 INFO L185 Difference]: Start difference. First operand has 937 places, 2831 transitions, 120803 flow. Second operand 18 states and 346 transitions. [2021-03-26 07:02:46,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 954 places, 2947 transitions, 133277 flow Received shutdown request... [2021-03-26 07:02:49,311 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 104 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable138 [2021-03-26 07:02:49,311 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-26 07:02:49,314 WARN L224 ceAbstractionStarter]: Timeout [2021-03-26 07:02:49,314 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 07:02:49 BasicIcfg [2021-03-26 07:02:49,314 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 07:02:49,315 INFO L168 Benchmark]: Toolchain (without parser) took 823355.85 ms. Allocated memory was 255.9 MB in the beginning and 11.4 GB in the end (delta: 11.1 GB). Free memory was 236.6 MB in the beginning and 8.6 GB in the end (delta: -8.3 GB). Peak memory consumption was 3.2 GB. Max. memory is 16.0 GB. [2021-03-26 07:02:49,315 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 07:02:49,315 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.83 ms. Allocated memory is still 255.9 MB. Free memory was 236.4 MB in the beginning and 234.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 07:02:49,315 INFO L168 Benchmark]: Boogie Preprocessor took 15.26 ms. Allocated memory is still 255.9 MB. Free memory was 234.9 MB in the beginning and 234.1 MB in the end (delta: 847.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 07:02:49,315 INFO L168 Benchmark]: RCFGBuilder took 179.13 ms. Allocated memory is still 255.9 MB. Free memory was 233.9 MB in the beginning and 239.8 MB in the end (delta: -5.9 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.0 GB. [2021-03-26 07:02:49,315 INFO L168 Benchmark]: TraceAbstraction took 823132.42 ms. Allocated memory was 255.9 MB in the beginning and 11.4 GB in the end (delta: 11.1 GB). Free memory was 239.1 MB in the beginning and 8.6 GB in the end (delta: -8.3 GB). Peak memory consumption was 3.2 GB. Max. memory is 16.0 GB. [2021-03-26 07:02:49,316 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 21.83 ms. Allocated memory is still 255.9 MB. Free memory was 236.4 MB in the beginning and 234.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 15.26 ms. Allocated memory is still 255.9 MB. Free memory was 234.9 MB in the beginning and 234.1 MB in the end (delta: 847.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 179.13 ms. Allocated memory is still 255.9 MB. Free memory was 233.9 MB in the beginning and 239.8 MB in the end (delta: -5.9 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 823132.42 ms. Allocated memory was 255.9 MB in the beginning and 11.4 GB in the end (delta: 11.1 GB). Free memory was 239.1 MB in the beginning and 8.6 GB in the end (delta: -8.3 GB). Peak memory consumption was 3.2 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 304.1ms, 34 PlacesBefore, 21 PlacesAfterwards, 27 TransitionsBefore, 14 TransitionsAfterwards, 210 CoEnabledTransitionPairs, 3 FixpointIterations, 4 TrivialSequentialCompositions, 9 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 13 TotalNumberOfCompositions, 96 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 96, positive: 96, positive conditional: 96, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 96, positive: 96, positive conditional: 0, positive unconditional: 96, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 96, positive: 96, positive conditional: 0, positive unconditional: 96, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 96, positive: 94, positive conditional: 0, positive unconditional: 94, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 14, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 96, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 96, unknown conditional: 96, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.6ms, 18 PlacesBefore, 18 PlacesAfterwards, 17 TransitionsBefore, 17 TransitionsAfterwards, 66 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.6ms, 26 PlacesBefore, 26 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 108 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.9ms, 33 PlacesBefore, 33 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 126 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.2ms, 38 PlacesBefore, 38 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 128 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.2ms, 41 PlacesBefore, 41 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 132 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.4ms, 45 PlacesBefore, 45 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 146 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.6ms, 52 PlacesBefore, 52 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 136 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.7ms, 56 PlacesBefore, 56 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 134 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.3ms, 59 PlacesBefore, 59 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 126 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.5ms, 62 PlacesBefore, 61 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 124 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.6ms, 63 PlacesBefore, 62 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 124 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16.8ms, 65 PlacesBefore, 65 PlacesAfterwards, 57 TransitionsBefore, 57 TransitionsAfterwards, 176 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 68.7ms, 71 PlacesBefore, 71 PlacesAfterwards, 60 TransitionsBefore, 60 TransitionsAfterwards, 188 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21.5ms, 75 PlacesBefore, 75 PlacesAfterwards, 68 TransitionsBefore, 68 TransitionsAfterwards, 184 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28.6ms, 81 PlacesBefore, 81 PlacesAfterwards, 72 TransitionsBefore, 72 TransitionsAfterwards, 200 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.2ms, 92 PlacesBefore, 92 PlacesAfterwards, 88 TransitionsBefore, 88 TransitionsAfterwards, 238 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.3ms, 94 PlacesBefore, 94 PlacesAfterwards, 91 TransitionsBefore, 91 TransitionsAfterwards, 254 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 142.3ms, 98 PlacesBefore, 98 PlacesAfterwards, 95 TransitionsBefore, 95 TransitionsAfterwards, 262 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 100.8ms, 112 PlacesBefore, 111 PlacesAfterwards, 120 TransitionsBefore, 119 TransitionsAfterwards, 280 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 113.2ms, 121 PlacesBefore, 121 PlacesAfterwards, 129 TransitionsBefore, 129 TransitionsAfterwards, 304 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 54.2ms, 131 PlacesBefore, 131 PlacesAfterwards, 160 TransitionsBefore, 160 TransitionsAfterwards, 288 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 102.1ms, 135 PlacesBefore, 135 PlacesAfterwards, 162 TransitionsBefore, 162 TransitionsAfterwards, 292 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 139.0ms, 155 PlacesBefore, 155 PlacesAfterwards, 219 TransitionsBefore, 219 TransitionsAfterwards, 454 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 214.5ms, 165 PlacesBefore, 163 PlacesAfterwards, 224 TransitionsBefore, 223 TransitionsAfterwards, 454 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 129.4ms, 170 PlacesBefore, 169 PlacesAfterwards, 228 TransitionsBefore, 228 TransitionsAfterwards, 462 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 102.9ms, 167 PlacesBefore, 166 PlacesAfterwards, 226 TransitionsBefore, 226 TransitionsAfterwards, 460 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 105.8ms, 176 PlacesBefore, 176 PlacesAfterwards, 241 TransitionsBefore, 241 TransitionsAfterwards, 492 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 124.4ms, 183 PlacesBefore, 181 PlacesAfterwards, 241 TransitionsBefore, 241 TransitionsAfterwards, 492 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2, Positive cache size: 2, Positive conditional cache size: 2, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 129.1ms, 184 PlacesBefore, 184 PlacesAfterwards, 263 TransitionsBefore, 263 TransitionsAfterwards, 558 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2, Positive cache size: 2, Positive conditional cache size: 2, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 227.1ms, 189 PlacesBefore, 187 PlacesAfterwards, 270 TransitionsBefore, 270 TransitionsAfterwards, 550 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 167.8ms, 192 PlacesBefore, 192 PlacesAfterwards, 275 TransitionsBefore, 275 TransitionsAfterwards, 558 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 121.1ms, 196 PlacesBefore, 196 PlacesAfterwards, 276 TransitionsBefore, 276 TransitionsAfterwards, 560 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 121.7ms, 213 PlacesBefore, 213 PlacesAfterwards, 298 TransitionsBefore, 298 TransitionsAfterwards, 560 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 187.9ms, 228 PlacesBefore, 228 PlacesAfterwards, 354 TransitionsBefore, 354 TransitionsAfterwards, 666 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 398.5ms, 259 PlacesBefore, 259 PlacesAfterwards, 486 TransitionsBefore, 486 TransitionsAfterwards, 698 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 6 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 6, Positive conditional cache size: 6, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 267.6ms, 271 PlacesBefore, 271 PlacesAfterwards, 502 TransitionsBefore, 502 TransitionsAfterwards, 720 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 6, Positive conditional cache size: 6, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 290.5ms, 283 PlacesBefore, 283 PlacesAfterwards, 518 TransitionsBefore, 518 TransitionsAfterwards, 766 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 6, Positive conditional cache size: 6, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 326.2ms, 296 PlacesBefore, 296 PlacesAfterwards, 524 TransitionsBefore, 524 TransitionsAfterwards, 778 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 6, Positive conditional cache size: 6, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 352.2ms, 298 PlacesBefore, 298 PlacesAfterwards, 544 TransitionsBefore, 544 TransitionsAfterwards, 794 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 6, Positive conditional cache size: 6, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 361.9ms, 316 PlacesBefore, 316 PlacesAfterwards, 572 TransitionsBefore, 572 TransitionsAfterwards, 856 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 6, Positive conditional cache size: 6, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 360.5ms, 336 PlacesBefore, 334 PlacesAfterwards, 606 TransitionsBefore, 606 TransitionsAfterwards, 880 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 6, Positive conditional cache size: 6, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 441.7ms, 342 PlacesBefore, 342 PlacesAfterwards, 639 TransitionsBefore, 639 TransitionsAfterwards, 952 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 6, Positive conditional cache size: 6, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 711.2ms, 354 PlacesBefore, 354 PlacesAfterwards, 672 TransitionsBefore, 672 TransitionsAfterwards, 906 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 35 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 35, positive: 35, positive conditional: 35, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 35, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 11, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 428.4ms, 358 PlacesBefore, 358 PlacesAfterwards, 678 TransitionsBefore, 678 TransitionsAfterwards, 914 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 11, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 423.1ms, 369 PlacesBefore, 369 PlacesAfterwards, 685 TransitionsBefore, 685 TransitionsAfterwards, 920 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 11, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 510.6ms, 370 PlacesBefore, 370 PlacesAfterwards, 702 TransitionsBefore, 702 TransitionsAfterwards, 920 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 11, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 419.8ms, 375 PlacesBefore, 375 PlacesAfterwards, 711 TransitionsBefore, 711 TransitionsAfterwards, 940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 11, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 539.0ms, 385 PlacesBefore, 385 PlacesAfterwards, 742 TransitionsBefore, 742 TransitionsAfterwards, 992 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 11, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 487.9ms, 393 PlacesBefore, 393 PlacesAfterwards, 805 TransitionsBefore, 805 TransitionsAfterwards, 1038 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 11, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 469.8ms, 412 PlacesBefore, 412 PlacesAfterwards, 824 TransitionsBefore, 824 TransitionsAfterwards, 1064 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 11, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 527.3ms, 412 PlacesBefore, 412 PlacesAfterwards, 854 TransitionsBefore, 854 TransitionsAfterwards, 1060 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 11, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 561.7ms, 425 PlacesBefore, 425 PlacesAfterwards, 892 TransitionsBefore, 892 TransitionsAfterwards, 1096 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 11, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 647.1ms, 451 PlacesBefore, 451 PlacesAfterwards, 962 TransitionsBefore, 962 TransitionsAfterwards, 1158 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 11, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 671.5ms, 474 PlacesBefore, 474 PlacesAfterwards, 981 TransitionsBefore, 981 TransitionsAfterwards, 1192 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 11, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 652.7ms, 464 PlacesBefore, 464 PlacesAfterwards, 992 TransitionsBefore, 992 TransitionsAfterwards, 1186 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 11, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 715.1ms, 478 PlacesBefore, 478 PlacesAfterwards, 1013 TransitionsBefore, 1013 TransitionsAfterwards, 1202 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 11, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 629.4ms, 484 PlacesBefore, 483 PlacesAfterwards, 1018 TransitionsBefore, 1018 TransitionsAfterwards, 1174 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 11, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 616.1ms, 493 PlacesBefore, 493 PlacesAfterwards, 1023 TransitionsBefore, 1023 TransitionsAfterwards, 1180 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 11, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 664.3ms, 495 PlacesBefore, 495 PlacesAfterwards, 1028 TransitionsBefore, 1028 TransitionsAfterwards, 1186 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 11, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 670.3ms, 501 PlacesBefore, 501 PlacesAfterwards, 1035 TransitionsBefore, 1035 TransitionsAfterwards, 1198 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 11, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 662.2ms, 506 PlacesBefore, 506 PlacesAfterwards, 1065 TransitionsBefore, 1065 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 11, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 949.7ms, 517 PlacesBefore, 517 PlacesAfterwards, 1144 TransitionsBefore, 1144 TransitionsAfterwards, 1380 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 11, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 939.1ms, 528 PlacesBefore, 528 PlacesAfterwards, 1152 TransitionsBefore, 1152 TransitionsAfterwards, 1400 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 11, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1022.0ms, 533 PlacesBefore, 533 PlacesAfterwards, 1174 TransitionsBefore, 1174 TransitionsAfterwards, 1418 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 11, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1012.0ms, 539 PlacesBefore, 539 PlacesAfterwards, 1176 TransitionsBefore, 1176 TransitionsAfterwards, 1418 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 11, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1224.2ms, 551 PlacesBefore, 551 PlacesAfterwards, 1298 TransitionsBefore, 1298 TransitionsAfterwards, 1416 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 11, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1568.6ms, 557 PlacesBefore, 556 PlacesAfterwards, 1304 TransitionsBefore, 1303 TransitionsAfterwards, 1418 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1590.8ms, 562 PlacesBefore, 562 PlacesAfterwards, 1506 TransitionsBefore, 1506 TransitionsAfterwards, 1444 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1484.8ms, 562 PlacesBefore, 559 PlacesAfterwards, 1502 TransitionsBefore, 1502 TransitionsAfterwards, 1444 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1923.8ms, 565 PlacesBefore, 565 PlacesAfterwards, 1729 TransitionsBefore, 1729 TransitionsAfterwards, 1428 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1919.5ms, 577 PlacesBefore, 577 PlacesAfterwards, 1743 TransitionsBefore, 1743 TransitionsAfterwards, 1448 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2546.6ms, 597 PlacesBefore, 596 PlacesAfterwards, 1784 TransitionsBefore, 1784 TransitionsAfterwards, 1478 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1894.6ms, 605 PlacesBefore, 601 PlacesAfterwards, 1803 TransitionsBefore, 1803 TransitionsAfterwards, 1472 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2140.4ms, 602 PlacesBefore, 602 PlacesAfterwards, 1839 TransitionsBefore, 1839 TransitionsAfterwards, 1498 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2302.1ms, 626 PlacesBefore, 625 PlacesAfterwards, 1872 TransitionsBefore, 1872 TransitionsAfterwards, 1556 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2258.9ms, 631 PlacesBefore, 631 PlacesAfterwards, 1972 TransitionsBefore, 1972 TransitionsAfterwards, 1560 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2395.9ms, 650 PlacesBefore, 650 PlacesAfterwards, 1985 TransitionsBefore, 1985 TransitionsAfterwards, 1572 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2478.6ms, 655 PlacesBefore, 655 PlacesAfterwards, 1997 TransitionsBefore, 1997 TransitionsAfterwards, 1596 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2467.3ms, 670 PlacesBefore, 670 PlacesAfterwards, 2013 TransitionsBefore, 2013 TransitionsAfterwards, 1626 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2475.9ms, 669 PlacesBefore, 669 PlacesAfterwards, 2011 TransitionsBefore, 2011 TransitionsAfterwards, 1622 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2374.1ms, 689 PlacesBefore, 688 PlacesAfterwards, 2077 TransitionsBefore, 2077 TransitionsAfterwards, 1688 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2403.7ms, 704 PlacesBefore, 703 PlacesAfterwards, 2089 TransitionsBefore, 2089 TransitionsAfterwards, 1698 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3568.2ms, 722 PlacesBefore, 720 PlacesAfterwards, 2171 TransitionsBefore, 2170 TransitionsAfterwards, 1742 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 29, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3890.2ms, 714 PlacesBefore, 714 PlacesAfterwards, 2282 TransitionsBefore, 2282 TransitionsAfterwards, 1734 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 29, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3445.4ms, 726 PlacesBefore, 726 PlacesAfterwards, 2357 TransitionsBefore, 2357 TransitionsAfterwards, 1792 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 29, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3547.1ms, 728 PlacesBefore, 728 PlacesAfterwards, 2359 TransitionsBefore, 2359 TransitionsAfterwards, 1794 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 29, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3688.8ms, 748 PlacesBefore, 748 PlacesAfterwards, 2381 TransitionsBefore, 2381 TransitionsAfterwards, 1812 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 29, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3541.4ms, 746 PlacesBefore, 746 PlacesAfterwards, 2394 TransitionsBefore, 2394 TransitionsAfterwards, 1820 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 29, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4715.6ms, 756 PlacesBefore, 756 PlacesAfterwards, 2406 TransitionsBefore, 2406 TransitionsAfterwards, 1828 CoEnabledTransitionPairs, 2 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 28, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3778.3ms, 767 PlacesBefore, 767 PlacesAfterwards, 2407 TransitionsBefore, 2407 TransitionsAfterwards, 1828 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 28, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3744.3ms, 765 PlacesBefore, 765 PlacesAfterwards, 2416 TransitionsBefore, 2416 TransitionsAfterwards, 1828 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 28, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3937.5ms, 788 PlacesBefore, 788 PlacesAfterwards, 2436 TransitionsBefore, 2436 TransitionsAfterwards, 1848 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 28, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4753.4ms, 785 PlacesBefore, 785 PlacesAfterwards, 2441 TransitionsBefore, 2441 TransitionsAfterwards, 1850 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 28, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3638.0ms, 795 PlacesBefore, 795 PlacesAfterwards, 2447 TransitionsBefore, 2447 TransitionsAfterwards, 1856 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 28, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3655.1ms, 795 PlacesBefore, 792 PlacesAfterwards, 2445 TransitionsBefore, 2445 TransitionsAfterwards, 1852 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 28, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3801.6ms, 803 PlacesBefore, 803 PlacesAfterwards, 2477 TransitionsBefore, 2477 TransitionsAfterwards, 1858 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 28, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4164.9ms, 822 PlacesBefore, 822 PlacesAfterwards, 2520 TransitionsBefore, 2520 TransitionsAfterwards, 1890 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 28, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3867.5ms, 826 PlacesBefore, 826 PlacesAfterwards, 2525 TransitionsBefore, 2525 TransitionsAfterwards, 1900 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 28, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4135.7ms, 837 PlacesBefore, 837 PlacesAfterwards, 2545 TransitionsBefore, 2545 TransitionsAfterwards, 1934 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 28, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3940.2ms, 842 PlacesBefore, 842 PlacesAfterwards, 2545 TransitionsBefore, 2545 TransitionsAfterwards, 1936 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 28, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3954.8ms, 849 PlacesBefore, 848 PlacesAfterwards, 2555 TransitionsBefore, 2555 TransitionsAfterwards, 1944 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 28, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5323.4ms, 846 PlacesBefore, 846 PlacesAfterwards, 2614 TransitionsBefore, 2614 TransitionsAfterwards, 2046 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 29, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4539.7ms, 857 PlacesBefore, 857 PlacesAfterwards, 2692 TransitionsBefore, 2692 TransitionsAfterwards, 2108 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 29, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5701.7ms, 865 PlacesBefore, 865 PlacesAfterwards, 2709 TransitionsBefore, 2709 TransitionsAfterwards, 2144 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 30, Positive conditional cache size: 30, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4988.8ms, 881 PlacesBefore, 881 PlacesAfterwards, 2731 TransitionsBefore, 2731 TransitionsAfterwards, 2184 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 30, Positive conditional cache size: 30, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5325.5ms, 889 PlacesBefore, 889 PlacesAfterwards, 2755 TransitionsBefore, 2755 TransitionsAfterwards, 2228 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 30, Positive conditional cache size: 30, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5209.6ms, 905 PlacesBefore, 905 PlacesAfterwards, 2785 TransitionsBefore, 2785 TransitionsAfterwards, 2282 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 30, Positive conditional cache size: 30, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6291.5ms, 918 PlacesBefore, 918 PlacesAfterwards, 2798 TransitionsBefore, 2798 TransitionsAfterwards, 2320 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 30, Positive conditional cache size: 30, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6114.4ms, 928 PlacesBefore, 928 PlacesAfterwards, 2820 TransitionsBefore, 2820 TransitionsAfterwards, 2350 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 30, Positive conditional cache size: 30, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5008.9ms, 937 PlacesBefore, 937 PlacesAfterwards, 2831 TransitionsBefore, 2831 TransitionsAfterwards, 2382 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 30, Positive conditional cache size: 30, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 59). Cancelled while executing RemoveRedundantFlow. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 8.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 823027.5ms, OverallIterations: 111, TraceHistogramMax: 2, EmptinessCheckTime: 0.0ms, AutomataDifference: 604509.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 402.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 805 SDtfs, 2864 SDslu, 748 SDs, 0 SdLazy, 20954 SolverSat, 1998 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10245.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2646 GetRequests, 989 SyntacticMatches, 80 SemanticMatches, 1577 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4385 ImplicationChecksByTransitivity, 18011.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=120803occurred in iteration=110, InterpolantAutomatonStates: 1348, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 338.6ms SsaConstructionTime, 950.5ms SatisfiabilityAnalysisTime, 15518.7ms InterpolantComputationTime, 2938 NumberOfCodeBlocks, 2938 NumberOfCodeBlocksAsserted, 281 NumberOfCheckSat, 2724 ConstructedInterpolants, 15 QuantifiedInterpolants, 22272 SizeOfPredicates, 272 NumberOfNonLiveVariables, 5786 ConjunctsInSsa, 1064 ConjunctsInUnsatCore, 214 InterpolantComputations, 8 PerfectInterpolantSequences, 154/729 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown