/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/simple-array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 06:20:25,177 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 06:20:25,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 06:20:25,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 06:20:25,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 06:20:25,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 06:20:25,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 06:20:25,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 06:20:25,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 06:20:25,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 06:20:25,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 06:20:25,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 06:20:25,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 06:20:25,243 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 06:20:25,244 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 06:20:25,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 06:20:25,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 06:20:25,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 06:20:25,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 06:20:25,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 06:20:25,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 06:20:25,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 06:20:25,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 06:20:25,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 06:20:25,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 06:20:25,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 06:20:25,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 06:20:25,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 06:20:25,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 06:20:25,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 06:20:25,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 06:20:25,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 06:20:25,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 06:20:25,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 06:20:25,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 06:20:25,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 06:20:25,268 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 06:20:25,291 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 06:20:25,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 06:20:25,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 06:20:25,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 06:20:25,293 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 06:20:25,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 06:20:25,293 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 06:20:25,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 06:20:25,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 06:20:25,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 06:20:25,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 06:20:25,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 06:20:25,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 06:20:25,294 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 06:20:25,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 06:20:25,295 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 06:20:25,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 06:20:25,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 06:20:25,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 06:20:25,295 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 06:20:25,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 06:20:25,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 06:20:25,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 06:20:25,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 06:20:25,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 06:20:25,296 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 06:20:25,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 06:20:25,297 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-26 06:20:25,297 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 06:20:25,297 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 06:20:25,297 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 06:20:25,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 06:20:25,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 06:20:25,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 06:20:25,653 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-26 06:20:25,654 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-26 06:20:25,656 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl [2021-03-26 06:20:25,656 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl' [2021-03-26 06:20:25,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 06:20:25,685 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-26 06:20:25,685 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 06:20:25,685 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 06:20:25,686 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 06:20:25,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 06:20:25" (1/1) ... [2021-03-26 06:20:25,704 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 06:20:25" (1/1) ... [2021-03-26 06:20:25,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 06:20:25,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 06:20:25,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 06:20:25,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 06:20:25,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 06:20:25" (1/1) ... [2021-03-26 06:20:25,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 06:20:25" (1/1) ... [2021-03-26 06:20:25,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 06:20:25" (1/1) ... [2021-03-26 06:20:25,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 06:20:25" (1/1) ... [2021-03-26 06:20:25,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 06:20:25" (1/1) ... [2021-03-26 06:20:25,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 06:20:25" (1/1) ... [2021-03-26 06:20:25,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 06:20:25" (1/1) ... [2021-03-26 06:20:25,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 06:20:25,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 06:20:25,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 06:20:25,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 06:20:25,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 06:20:25" (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 06:20:25,799 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-26 06:20:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-26 06:20:25,801 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-26 06:20:25,801 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-26 06:20:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-26 06:20:25,801 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-26 06:20:25,802 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-26 06:20:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 06:20:25,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 06:20:25,802 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-26 06:20:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-26 06:20:25,802 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-26 06:20:25,803 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 06:20:26,058 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 06:20:26,059 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-26 06:20:26,060 INFO L202 PluginConnector]: Adding new model simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 06:20:26 BoogieIcfgContainer [2021-03-26 06:20:26,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 06:20:26,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 06:20:26,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 06:20:26,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 06:20:26,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 06:20:25" (1/2) ... [2021-03-26 06:20:26,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d4c4c5d and model type simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 06:20:26, skipping insertion in model container [2021-03-26 06:20:26,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 06:20:26" (2/2) ... [2021-03-26 06:20:26,066 INFO L111 eAbstractionObserver]: Analyzing ICFG simple-array-sum.wvr.bpl [2021-03-26 06:20:26,070 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 06:20:26,073 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 06:20:26,074 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 06:20:26,106 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-03-26 06:20:26,121 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-03-26 06:20:26,137 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 06:20:26,138 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 06:20:26,138 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 06:20:26,138 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 06:20:26,138 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 06:20:26,138 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 06:20:26,138 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 06:20:26,138 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 06:20:26,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 29 transitions, 82 flow [2021-03-26 06:20:26,175 INFO L129 PetriNetUnfolder]: 4/26 cut-off events. [2021-03-26 06:20:26,175 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-26 06:20:26,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 4/26 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. 0/21 useless extension candidates. Maximal degree in co-relation 20. Up to 3 conditions per place. [2021-03-26 06:20:26,184 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 29 transitions, 82 flow [2021-03-26 06:20:26,187 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 30 places, 24 transitions, 66 flow [2021-03-26 06:20:26,188 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:20:26,204 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 24 transitions, 66 flow [2021-03-26 06:20:26,212 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 24 transitions, 66 flow [2021-03-26 06:20:26,215 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 30 places, 24 transitions, 66 flow [2021-03-26 06:20:26,235 INFO L129 PetriNetUnfolder]: 4/24 cut-off events. [2021-03-26 06:20:26,235 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-26 06:20:26,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 24 events. 4/24 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 28 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 20. Up to 3 conditions per place. [2021-03-26 06:20:26,237 INFO L142 LiptonReduction]: Number of co-enabled transitions 184 [2021-03-26 06:20:26,563 INFO L154 LiptonReduction]: Checked pairs total: 90 [2021-03-26 06:20:26,564 INFO L156 LiptonReduction]: Total number of compositions: 7 [2021-03-26 06:20:26,568 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 381 [2021-03-26 06:20:26,588 INFO L129 PetriNetUnfolder]: 4/16 cut-off events. [2021-03-26 06:20:26,589 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-26 06:20:26,589 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:20:26,590 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:20:26,590 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:20:26,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:20:26,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1603213337, now seen corresponding path program 1 times [2021-03-26 06:20:26,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:20:26,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161191053] [2021-03-26 06:20:26,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:20:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:20:26,758 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-03-26 06:20:26,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:26,799 INFO L142 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size [2021-03-26 06:20:26,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 06:20:26,830 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 06:20:26,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161191053] [2021-03-26 06:20:26,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 06:20:26,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 06:20:26,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712622812] [2021-03-26 06:20:26,838 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 06:20:26,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:20:26,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 06:20:26,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 06:20:26,851 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 36 [2021-03-26 06:20:26,852 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 17 transitions, 52 flow. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:26,852 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:20:26,852 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 36 [2021-03-26 06:20:26,853 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:20:26,943 INFO L129 PetriNetUnfolder]: 104/163 cut-off events. [2021-03-26 06:20:26,944 INFO L130 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2021-03-26 06:20:26,944 INFO L84 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 163 events. 104/163 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 479 event pairs, 26 based on Foata normal form. 1/91 useless extension candidates. Maximal degree in co-relation 312. Up to 93 conditions per place. [2021-03-26 06:20:26,947 INFO L132 encePairwiseOnDemand]: 31/36 looper letters, 18 selfloop transitions, 5 changer transitions 1/30 dead transitions. [2021-03-26 06:20:26,947 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 30 transitions, 126 flow [2021-03-26 06:20:26,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 06:20:26,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 06:20:26,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 85 transitions. [2021-03-26 06:20:26,957 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5902777777777778 [2021-03-26 06:20:26,958 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 85 transitions. [2021-03-26 06:20:26,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 85 transitions. [2021-03-26 06:20:26,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:20:26,961 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 85 transitions. [2021-03-26 06:20:26,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:26,966 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 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 06:20:26,966 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 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 06:20:26,968 INFO L185 Difference]: Start difference. First operand has 23 places, 17 transitions, 52 flow. Second operand 4 states and 85 transitions. [2021-03-26 06:20:26,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 30 transitions, 126 flow [2021-03-26 06:20:26,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 30 transitions, 114 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-03-26 06:20:26,973 INFO L241 Difference]: Finished difference. Result has 22 places, 21 transitions, 72 flow [2021-03-26 06:20:26,974 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=72, PETRI_PLACES=22, PETRI_TRANSITIONS=21} [2021-03-26 06:20:26,975 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, -1 predicate places. [2021-03-26 06:20:26,975 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:20:26,975 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 22 places, 21 transitions, 72 flow [2021-03-26 06:20:26,976 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 22 places, 21 transitions, 72 flow [2021-03-26 06:20:26,976 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 22 places, 21 transitions, 72 flow [2021-03-26 06:20:26,981 INFO L129 PetriNetUnfolder]: 10/35 cut-off events. [2021-03-26 06:20:26,981 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-26 06:20:26,981 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 35 events. 10/35 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 68 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 40. Up to 8 conditions per place. [2021-03-26 06:20:26,982 INFO L142 LiptonReduction]: Number of co-enabled transitions 122 [2021-03-26 06:20:26,984 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:20:26,984 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:20:26,984 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-03-26 06:20:26,985 INFO L480 AbstractCegarLoop]: Abstraction has has 22 places, 21 transitions, 72 flow [2021-03-26 06:20:26,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:26,985 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:20:26,986 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:20:26,986 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 06:20:26,986 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:20:26,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:20:26,987 INFO L82 PathProgramCache]: Analyzing trace with hash 2064833924, now seen corresponding path program 1 times [2021-03-26 06:20:26,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:20:26,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463668551] [2021-03-26 06:20:26,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:20:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:20:27,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:27,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:27,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:27,016 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 06:20:27,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463668551] [2021-03-26 06:20:27,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 06:20:27,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 06:20:27,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036879569] [2021-03-26 06:20:27,018 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 06:20:27,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:20:27,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 06:20:27,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 06:20:27,020 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 36 [2021-03-26 06:20:27,020 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 21 transitions, 72 flow. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:27,020 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:20:27,020 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 36 [2021-03-26 06:20:27,021 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:20:27,110 INFO L129 PetriNetUnfolder]: 104/175 cut-off events. [2021-03-26 06:20:27,111 INFO L130 PetriNetUnfolder]: For 46/51 co-relation queries the response was YES. [2021-03-26 06:20:27,115 INFO L84 FinitePrefix]: Finished finitePrefix Result has 404 conditions, 175 events. 104/175 cut-off events. For 46/51 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 528 event pairs, 12 based on Foata normal form. 21/155 useless extension candidates. Maximal degree in co-relation 369. Up to 79 conditions per place. [2021-03-26 06:20:27,119 INFO L132 encePairwiseOnDemand]: 30/36 looper letters, 23 selfloop transitions, 8 changer transitions 0/37 dead transitions. [2021-03-26 06:20:27,119 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 37 transitions, 173 flow [2021-03-26 06:20:27,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 06:20:27,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 06:20:27,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 108 transitions. [2021-03-26 06:20:27,126 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6 [2021-03-26 06:20:27,127 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 108 transitions. [2021-03-26 06:20:27,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 108 transitions. [2021-03-26 06:20:27,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:20:27,127 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 108 transitions. [2021-03-26 06:20:27,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 21.6) internal successors, (108), 5 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 06:20:27,129 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 36.0) internal successors, (216), 6 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:27,129 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 36.0) internal successors, (216), 6 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:27,129 INFO L185 Difference]: Start difference. First operand has 22 places, 21 transitions, 72 flow. Second operand 5 states and 108 transitions. [2021-03-26 06:20:27,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 37 transitions, 173 flow [2021-03-26 06:20:27,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 37 transitions, 173 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 06:20:27,131 INFO L241 Difference]: Finished difference. Result has 30 places, 24 transitions, 123 flow [2021-03-26 06:20:27,132 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=123, PETRI_PLACES=30, PETRI_TRANSITIONS=24} [2021-03-26 06:20:27,132 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 7 predicate places. [2021-03-26 06:20:27,132 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:20:27,133 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 24 transitions, 123 flow [2021-03-26 06:20:27,133 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 24 transitions, 123 flow [2021-03-26 06:20:27,133 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 30 places, 24 transitions, 123 flow [2021-03-26 06:20:27,138 INFO L129 PetriNetUnfolder]: 12/52 cut-off events. [2021-03-26 06:20:27,139 INFO L130 PetriNetUnfolder]: For 27/28 co-relation queries the response was YES. [2021-03-26 06:20:27,139 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 52 events. 12/52 cut-off events. For 27/28 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 163 event pairs, 2 based on Foata normal form. 1/48 useless extension candidates. Maximal degree in co-relation 90. Up to 12 conditions per place. [2021-03-26 06:20:27,140 INFO L142 LiptonReduction]: Number of co-enabled transitions 142 [2021-03-26 06:20:27,142 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:20:27,142 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:20:27,142 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-26 06:20:27,143 INFO L480 AbstractCegarLoop]: Abstraction has has 30 places, 24 transitions, 123 flow [2021-03-26 06:20:27,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:27,143 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:20:27,143 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:20:27,143 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 06:20:27,144 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:20:27,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:20:27,144 INFO L82 PathProgramCache]: Analyzing trace with hash -452810530, now seen corresponding path program 2 times [2021-03-26 06:20:27,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:20:27,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250366548] [2021-03-26 06:20:27,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:20:27,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:20:27,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:27,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:27,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:27,173 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 06:20:27,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250366548] [2021-03-26 06:20:27,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 06:20:27,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 06:20:27,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300693731] [2021-03-26 06:20:27,174 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 06:20:27,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:20:27,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 06:20:27,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 06:20:27,175 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 36 [2021-03-26 06:20:27,176 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 24 transitions, 123 flow. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:27,176 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:20:27,176 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 36 [2021-03-26 06:20:27,176 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:20:27,244 INFO L129 PetriNetUnfolder]: 90/155 cut-off events. [2021-03-26 06:20:27,245 INFO L130 PetriNetUnfolder]: For 188/205 co-relation queries the response was YES. [2021-03-26 06:20:27,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 441 conditions, 155 events. 90/155 cut-off events. For 188/205 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 436 event pairs, 4 based on Foata normal form. 12/137 useless extension candidates. Maximal degree in co-relation 395. Up to 53 conditions per place. [2021-03-26 06:20:27,247 INFO L132 encePairwiseOnDemand]: 30/36 looper letters, 24 selfloop transitions, 5 changer transitions 6/41 dead transitions. [2021-03-26 06:20:27,247 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 41 transitions, 252 flow [2021-03-26 06:20:27,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 06:20:27,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 06:20:27,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 108 transitions. [2021-03-26 06:20:27,252 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6 [2021-03-26 06:20:27,252 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 108 transitions. [2021-03-26 06:20:27,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 108 transitions. [2021-03-26 06:20:27,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:20:27,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 108 transitions. [2021-03-26 06:20:27,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 21.6) internal successors, (108), 5 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 06:20:27,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 36.0) internal successors, (216), 6 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:27,258 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 36.0) internal successors, (216), 6 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:27,258 INFO L185 Difference]: Start difference. First operand has 30 places, 24 transitions, 123 flow. Second operand 5 states and 108 transitions. [2021-03-26 06:20:27,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 41 transitions, 252 flow [2021-03-26 06:20:27,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 41 transitions, 246 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-03-26 06:20:27,263 INFO L241 Difference]: Finished difference. Result has 35 places, 22 transitions, 114 flow [2021-03-26 06:20:27,263 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=114, PETRI_PLACES=35, PETRI_TRANSITIONS=22} [2021-03-26 06:20:27,264 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 12 predicate places. [2021-03-26 06:20:27,264 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:20:27,264 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 22 transitions, 114 flow [2021-03-26 06:20:27,265 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 22 transitions, 114 flow [2021-03-26 06:20:27,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 22 transitions, 114 flow [2021-03-26 06:20:27,281 INFO L129 PetriNetUnfolder]: 8/31 cut-off events. [2021-03-26 06:20:27,281 INFO L130 PetriNetUnfolder]: For 21/22 co-relation queries the response was YES. [2021-03-26 06:20:27,282 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 31 events. 8/31 cut-off events. For 21/22 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 0 based on Foata normal form. 1/30 useless extension candidates. Maximal degree in co-relation 73. Up to 7 conditions per place. [2021-03-26 06:20:27,283 INFO L142 LiptonReduction]: Number of co-enabled transitions 122 [2021-03-26 06:20:27,284 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:20:27,284 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:20:27,284 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-03-26 06:20:27,297 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 22 transitions, 114 flow [2021-03-26 06:20:27,298 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:27,298 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:20:27,298 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:20:27,298 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 06:20:27,298 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:20:27,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:20:27,299 INFO L82 PathProgramCache]: Analyzing trace with hash 99223701, now seen corresponding path program 1 times [2021-03-26 06:20:27,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:20:27,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880337607] [2021-03-26 06:20:27,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:20:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:20:27,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:27,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:27,348 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 06:20:27,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880337607] [2021-03-26 06:20:27,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 06:20:27,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 06:20:27,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139255939] [2021-03-26 06:20:27,348 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 06:20:27,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:20:27,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 06:20:27,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 06:20:27,349 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 36 [2021-03-26 06:20:27,350 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 22 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:27,350 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:20:27,350 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 36 [2021-03-26 06:20:27,350 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:20:27,362 INFO L129 PetriNetUnfolder]: 23/52 cut-off events. [2021-03-26 06:20:27,362 INFO L130 PetriNetUnfolder]: For 45/47 co-relation queries the response was YES. [2021-03-26 06:20:27,362 INFO L84 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 52 events. 23/52 cut-off events. For 45/47 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 100 event pairs, 0 based on Foata normal form. 2/51 useless extension candidates. Maximal degree in co-relation 139. Up to 27 conditions per place. [2021-03-26 06:20:27,363 INFO L132 encePairwiseOnDemand]: 33/36 looper letters, 12 selfloop transitions, 2 changer transitions 0/26 dead transitions. [2021-03-26 06:20:27,363 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 26 transitions, 160 flow [2021-03-26 06:20:27,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 06:20:27,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 06:20:27,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 86 transitions. [2021-03-26 06:20:27,364 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7962962962962963 [2021-03-26 06:20:27,364 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 86 transitions. [2021-03-26 06:20:27,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 86 transitions. [2021-03-26 06:20:27,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:20:27,364 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 86 transitions. [2021-03-26 06:20:27,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:27,365 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:27,365 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:27,366 INFO L185 Difference]: Start difference. First operand has 33 places, 22 transitions, 114 flow. Second operand 3 states and 86 transitions. [2021-03-26 06:20:27,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 26 transitions, 160 flow [2021-03-26 06:20:27,367 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 26 transitions, 140 flow, removed 4 selfloop flow, removed 5 redundant places. [2021-03-26 06:20:27,367 INFO L241 Difference]: Finished difference. Result has 31 places, 23 transitions, 109 flow [2021-03-26 06:20:27,367 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=109, PETRI_PLACES=31, PETRI_TRANSITIONS=23} [2021-03-26 06:20:27,368 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 8 predicate places. [2021-03-26 06:20:27,368 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:20:27,368 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 23 transitions, 109 flow [2021-03-26 06:20:27,368 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 23 transitions, 109 flow [2021-03-26 06:20:27,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 31 places, 23 transitions, 109 flow [2021-03-26 06:20:27,371 INFO L129 PetriNetUnfolder]: 11/38 cut-off events. [2021-03-26 06:20:27,371 INFO L130 PetriNetUnfolder]: For 7/8 co-relation queries the response was YES. [2021-03-26 06:20:27,371 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 38 events. 11/38 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 63 event pairs, 0 based on Foata normal form. 1/38 useless extension candidates. Maximal degree in co-relation 71. Up to 8 conditions per place. [2021-03-26 06:20:27,372 INFO L142 LiptonReduction]: Number of co-enabled transitions 138 [2021-03-26 06:20:27,373 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:20:27,373 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:20:27,373 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5 [2021-03-26 06:20:27,374 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 23 transitions, 109 flow [2021-03-26 06:20:27,374 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:27,374 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:20:27,375 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:20:27,375 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 06:20:27,375 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:20:27,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:20:27,375 INFO L82 PathProgramCache]: Analyzing trace with hash 2029596539, now seen corresponding path program 1 times [2021-03-26 06:20:27,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:20:27,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591822662] [2021-03-26 06:20:27,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:20:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:20:27,395 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:20:27,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:27,404 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:20:27,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:27,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:27,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:27,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:20:27,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591822662] [2021-03-26 06:20:27,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 06:20:27,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 06:20:27,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238619838] [2021-03-26 06:20:27,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 06:20:27,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:20:27,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 06:20:27,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 06:20:27,420 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 36 [2021-03-26 06:20:27,420 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 23 transitions, 109 flow. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:27,421 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:20:27,421 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 36 [2021-03-26 06:20:27,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:20:27,505 INFO L129 PetriNetUnfolder]: 127/198 cut-off events. [2021-03-26 06:20:27,505 INFO L130 PetriNetUnfolder]: For 143/153 co-relation queries the response was YES. [2021-03-26 06:20:27,506 INFO L84 FinitePrefix]: Finished finitePrefix Result has 641 conditions, 198 events. 127/198 cut-off events. For 143/153 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 533 event pairs, 38 based on Foata normal form. 18/213 useless extension candidates. Maximal degree in co-relation 611. Up to 138 conditions per place. [2021-03-26 06:20:27,507 INFO L132 encePairwiseOnDemand]: 29/36 looper letters, 28 selfloop transitions, 10 changer transitions 1/45 dead transitions. [2021-03-26 06:20:27,507 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 45 transitions, 285 flow [2021-03-26 06:20:27,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 06:20:27,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 06:20:27,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 120 transitions. [2021-03-26 06:20:27,508 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5555555555555556 [2021-03-26 06:20:27,509 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 120 transitions. [2021-03-26 06:20:27,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 120 transitions. [2021-03-26 06:20:27,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:20:27,509 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 120 transitions. [2021-03-26 06:20:27,509 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 06:20:27,511 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 36.0) internal successors, (252), 7 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:27,512 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 36.0) internal successors, (252), 7 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:27,512 INFO L185 Difference]: Start difference. First operand has 31 places, 23 transitions, 109 flow. Second operand 6 states and 120 transitions. [2021-03-26 06:20:27,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 45 transitions, 285 flow [2021-03-26 06:20:27,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 45 transitions, 281 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 06:20:27,516 INFO L241 Difference]: Finished difference. Result has 38 places, 29 transitions, 178 flow [2021-03-26 06:20:27,516 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=178, PETRI_PLACES=38, PETRI_TRANSITIONS=29} [2021-03-26 06:20:27,516 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 15 predicate places. [2021-03-26 06:20:27,516 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:20:27,517 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 29 transitions, 178 flow [2021-03-26 06:20:27,517 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 29 transitions, 178 flow [2021-03-26 06:20:27,517 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 29 transitions, 178 flow [2021-03-26 06:20:27,525 INFO L129 PetriNetUnfolder]: 20/59 cut-off events. [2021-03-26 06:20:27,525 INFO L130 PetriNetUnfolder]: For 31/34 co-relation queries the response was YES. [2021-03-26 06:20:27,525 INFO L84 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 59 events. 20/59 cut-off events. For 31/34 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 161 event pairs, 1 based on Foata normal form. 2/59 useless extension candidates. Maximal degree in co-relation 147. Up to 15 conditions per place. [2021-03-26 06:20:27,526 INFO L142 LiptonReduction]: Number of co-enabled transitions 162 [2021-03-26 06:20:27,528 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:20:27,528 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:20:27,529 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-03-26 06:20:27,532 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 29 transitions, 178 flow [2021-03-26 06:20:27,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:27,532 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:20:27,532 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:20:27,532 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 06:20:27,532 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:20:27,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:20:27,533 INFO L82 PathProgramCache]: Analyzing trace with hash -325290422, now seen corresponding path program 1 times [2021-03-26 06:20:27,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:20:27,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065994492] [2021-03-26 06:20:27,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:20:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:20:27,597 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-26 06:20:27,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:20:27,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:27,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:27,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:20:27,655 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-26 06:20:27,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:27,666 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 06:20:27,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065994492] [2021-03-26 06:20:27,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073041427] [2021-03-26 06:20:27,666 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 06:20:27,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:20:27,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 06:20:27,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:20:27,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:27,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:27,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:27,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:27,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:27,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:27,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:27,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:27,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:27,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:27,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:27,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:27,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:27,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:27,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:27,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:27,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:27,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:27,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:27,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:27,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:27,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:27,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:27,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:27,799 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-03-26 06:20:27,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:27,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:27,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:27,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 06:20:27,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:27,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:27,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:27,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:27,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:27,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:27,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:27,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:27,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:27,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:27,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:27,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:27,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:27,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:27,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:27,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:20:27,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:27,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:27,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:27,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-03-26 06:20:27,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:27,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:27,916 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:20:27,927 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,932 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 15 treesize of output 11 [2021-03-26 06:20:27,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:27,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:27,937 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-26 06:20:27,945 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:27,948 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:20:27,948 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:20 [2021-03-26 06:20:27,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:27,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:27,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:27,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:27,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:27,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:27,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:27,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:27,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:27,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:27,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:27,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:28,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:28,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:28,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:28,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,014 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-03-26 06:20:28,017 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-26 06:20:28,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:28,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:20:28,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:28,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:28,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:20:28,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:28,037 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 13 treesize of output 9 [2021-03-26 06:20:28,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:28,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:28,039 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:20:28,044 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,045 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:20:28,045 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:12 [2021-03-26 06:20:28,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,080 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 06:20:28,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:20:28,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-26 06:20:28,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739053145] [2021-03-26 06:20:28,081 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 06:20:28,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:20:28,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 06:20:28,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-03-26 06:20:28,082 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 36 [2021-03-26 06:20:28,082 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 29 transitions, 178 flow. Second operand has 12 states, 12 states have (on average 15.666666666666666) internal successors, (188), 12 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 06:20:28,082 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:20:28,082 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 36 [2021-03-26 06:20:28,082 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:20:28,299 INFO L129 PetriNetUnfolder]: 173/289 cut-off events. [2021-03-26 06:20:28,299 INFO L130 PetriNetUnfolder]: For 388/405 co-relation queries the response was YES. [2021-03-26 06:20:28,301 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1023 conditions, 289 events. 173/289 cut-off events. For 388/405 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1017 event pairs, 24 based on Foata normal form. 16/304 useless extension candidates. Maximal degree in co-relation 968. Up to 190 conditions per place. [2021-03-26 06:20:28,302 INFO L132 encePairwiseOnDemand]: 29/36 looper letters, 34 selfloop transitions, 12 changer transitions 2/54 dead transitions. [2021-03-26 06:20:28,302 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 54 transitions, 390 flow [2021-03-26 06:20:28,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 06:20:28,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 06:20:28,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 138 transitions. [2021-03-26 06:20:28,304 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5476190476190477 [2021-03-26 06:20:28,304 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 138 transitions. [2021-03-26 06:20:28,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 138 transitions. [2021-03-26 06:20:28,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:20:28,305 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 138 transitions. [2021-03-26 06:20:28,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 19.714285714285715) internal successors, (138), 7 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 06:20:28,306 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 36.0) internal successors, (288), 8 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 06:20:28,306 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 36.0) internal successors, (288), 8 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 06:20:28,306 INFO L185 Difference]: Start difference. First operand has 38 places, 29 transitions, 178 flow. Second operand 7 states and 138 transitions. [2021-03-26 06:20:28,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 54 transitions, 390 flow [2021-03-26 06:20:28,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 54 transitions, 384 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-03-26 06:20:28,311 INFO L241 Difference]: Finished difference. Result has 48 places, 36 transitions, 264 flow [2021-03-26 06:20:28,311 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=264, PETRI_PLACES=48, PETRI_TRANSITIONS=36} [2021-03-26 06:20:28,311 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 25 predicate places. [2021-03-26 06:20:28,312 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:20:28,312 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 36 transitions, 264 flow [2021-03-26 06:20:28,312 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 36 transitions, 264 flow [2021-03-26 06:20:28,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 36 transitions, 264 flow [2021-03-26 06:20:28,327 INFO L129 PetriNetUnfolder]: 42/123 cut-off events. [2021-03-26 06:20:28,327 INFO L130 PetriNetUnfolder]: For 156/158 co-relation queries the response was YES. [2021-03-26 06:20:28,328 INFO L84 FinitePrefix]: Finished finitePrefix Result has 425 conditions, 123 events. 42/123 cut-off events. For 156/158 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 521 event pairs, 6 based on Foata normal form. 1/123 useless extension candidates. Maximal degree in co-relation 377. Up to 37 conditions per place. [2021-03-26 06:20:28,330 INFO L142 LiptonReduction]: Number of co-enabled transitions 208 [2021-03-26 06:20:28,332 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:20:28,333 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:20:28,333 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-03-26 06:20:28,336 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 36 transitions, 264 flow [2021-03-26 06:20:28,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 15.666666666666666) internal successors, (188), 12 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 06:20:28,337 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:20:28,337 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:20:28,553 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-03-26 06:20:28,554 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:20:28,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:20:28,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1752726740, now seen corresponding path program 2 times [2021-03-26 06:20:28,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:20:28,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914556193] [2021-03-26 06:20:28,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:20:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:20:28,595 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-26 06:20:28,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:20:28,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 06:20:28,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:20:28,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:20:28,637 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-26 06:20:28,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,647 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 06:20:28,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914556193] [2021-03-26 06:20:28,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561527364] [2021-03-26 06:20:28,647 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 06:20:28,706 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:20:28,706 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:20:28,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 06:20:28,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:20:28,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:28,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:28,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:28,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:28,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:28,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:28,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:28,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:28,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:28,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:28,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:28,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:28,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:28,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:28,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:28,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:28,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:28,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:28,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:28,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:28,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:28,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:28,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:28,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:28,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:28,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:28,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 06:20:28,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:28,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:20:28,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 06:20:28,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:28,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:28,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:28,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:20:28,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:28,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:20:28,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 06:20:28,817 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 18 treesize of output 14 [2021-03-26 06:20:28,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:20:28,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:20:28,820 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:20:28,830 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2021-03-26 06:20:28,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:28,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:28,840 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-26 06:20:28,848 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,849 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-03-26 06:20:28,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:28,850 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:20:28,850 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:24 [2021-03-26 06:20:28,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:28,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:28,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:28,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:28,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:28,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:28,883 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-03-26 06:20:28,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 06:20:28,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:28,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:28,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:28,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:28,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:28,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:28,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:28,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:28,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:28,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:20:28,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:28,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:20:28,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:28,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:28,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:20:28,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:28,928 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 13 treesize of output 9 [2021-03-26 06:20:28,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:28,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:28,930 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:20:28,935 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,936 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:20:28,936 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:12 [2021-03-26 06:20:28,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:28,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:28,972 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 06:20:28,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:20:28,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-26 06:20:28,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364140532] [2021-03-26 06:20:28,973 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 06:20:28,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:20:28,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 06:20:28,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-03-26 06:20:28,974 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 36 [2021-03-26 06:20:28,974 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 36 transitions, 264 flow. Second operand has 12 states, 12 states have (on average 15.666666666666666) internal successors, (188), 12 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 06:20:28,974 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:20:28,975 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 36 [2021-03-26 06:20:28,975 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:20:29,247 INFO L129 PetriNetUnfolder]: 231/397 cut-off events. [2021-03-26 06:20:29,247 INFO L130 PetriNetUnfolder]: For 992/1003 co-relation queries the response was YES. [2021-03-26 06:20:29,251 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1637 conditions, 397 events. 231/397 cut-off events. For 992/1003 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1578 event pairs, 37 based on Foata normal form. 7/403 useless extension candidates. Maximal degree in co-relation 1563. Up to 234 conditions per place. [2021-03-26 06:20:29,256 INFO L132 encePairwiseOnDemand]: 29/36 looper letters, 40 selfloop transitions, 22 changer transitions 1/69 dead transitions. [2021-03-26 06:20:29,256 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 69 transitions, 595 flow [2021-03-26 06:20:29,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 06:20:29,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 06:20:29,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 145 transitions. [2021-03-26 06:20:29,258 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5753968253968254 [2021-03-26 06:20:29,258 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 145 transitions. [2021-03-26 06:20:29,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 145 transitions. [2021-03-26 06:20:29,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:20:29,258 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 145 transitions. [2021-03-26 06:20:29,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 7 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:29,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 36.0) internal successors, (288), 8 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 06:20:29,260 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 36.0) internal successors, (288), 8 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 06:20:29,260 INFO L185 Difference]: Start difference. First operand has 48 places, 36 transitions, 264 flow. Second operand 7 states and 145 transitions. [2021-03-26 06:20:29,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 69 transitions, 595 flow [2021-03-26 06:20:29,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 69 transitions, 578 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-03-26 06:20:29,266 INFO L241 Difference]: Finished difference. Result has 56 places, 48 transitions, 422 flow [2021-03-26 06:20:29,266 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=247, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=422, PETRI_PLACES=56, PETRI_TRANSITIONS=48} [2021-03-26 06:20:29,267 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 33 predicate places. [2021-03-26 06:20:29,267 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:20:29,267 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 48 transitions, 422 flow [2021-03-26 06:20:29,267 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 48 transitions, 422 flow [2021-03-26 06:20:29,268 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 48 transitions, 422 flow [2021-03-26 06:20:29,286 INFO L129 PetriNetUnfolder]: 58/153 cut-off events. [2021-03-26 06:20:29,286 INFO L130 PetriNetUnfolder]: For 413/428 co-relation queries the response was YES. [2021-03-26 06:20:29,289 INFO L84 FinitePrefix]: Finished finitePrefix Result has 602 conditions, 153 events. 58/153 cut-off events. For 413/428 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 626 event pairs, 4 based on Foata normal form. 2/149 useless extension candidates. Maximal degree in co-relation 546. Up to 42 conditions per place. [2021-03-26 06:20:29,291 INFO L142 LiptonReduction]: Number of co-enabled transitions 284 [2021-03-26 06:20:29,326 INFO L154 LiptonReduction]: Checked pairs total: 12 [2021-03-26 06:20:29,326 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 06:20:29,326 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 59 [2021-03-26 06:20:29,327 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 48 transitions, 424 flow [2021-03-26 06:20:29,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 15.666666666666666) internal successors, (188), 12 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 06:20:29,327 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:20:29,327 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:20:29,549 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:20:29,549 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:20:29,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:20:29,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1035774060, now seen corresponding path program 3 times [2021-03-26 06:20:29,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:20:29,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875746514] [2021-03-26 06:20:29,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:20:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:20:29,582 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-26 06:20:29,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:20:29,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 06:20:29,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:20:29,609 INFO L142 QuantifierPusher]: treesize reduction 13, result has 58.1 percent of original size [2021-03-26 06:20:29,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:20:29,620 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-26 06:20:29,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:29,630 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 06:20:29,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875746514] [2021-03-26 06:20:29,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935255131] [2021-03-26 06:20:29,630 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 06:20:29,661 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-26 06:20:29,661 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:20:29,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 06:20:29,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:20:29,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:29,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:29,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:29,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:29,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:29,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:29,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:29,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:29,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:29,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:29,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:29,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:29,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:29,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:29,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:29,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:29,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:29,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:29,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:29,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:29,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:29,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:29,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:29,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:29,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:29,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:29,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:29,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:29,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:29,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:29,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:29,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:29,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:29,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:20:29,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:29,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:29,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:29,770 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 16 treesize of output 12 [2021-03-26 06:20:29,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:20:29,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:20:29,773 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:20:29,781 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-03-26 06:20:29,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:29,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:29,785 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-26 06:20:29,792 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:29,793 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:20:29,793 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:20 [2021-03-26 06:20:29,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:29,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:29,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:29,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:29,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:29,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:29,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:20:29,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:29,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:20:29,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:29,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:29,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:20:29,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:29,845 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 13 treesize of output 9 [2021-03-26 06:20:29,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:29,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:29,847 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:20:29,852 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:29,853 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:20:29,853 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:12 [2021-03-26 06:20:29,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:29,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:29,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:29,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:29,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:29,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:29,874 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-03-26 06:20:29,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:20:29,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:29,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:29,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:20:29,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:29,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:29,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:29,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:29,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:29,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:29,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:29,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:29,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:29,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:29,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:29,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:29,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:29,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:29,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:29,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:29,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:29,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:29,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:29,914 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 06:20:29,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:20:29,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-26 06:20:29,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398192244] [2021-03-26 06:20:29,915 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 06:20:29,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:20:29,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 06:20:29,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-03-26 06:20:29,917 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 37 [2021-03-26 06:20:29,918 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 48 transitions, 424 flow. Second operand has 12 states, 12 states have (on average 15.666666666666666) internal successors, (188), 12 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 06:20:29,918 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:20:29,918 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 37 [2021-03-26 06:20:29,918 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:20:30,284 INFO L129 PetriNetUnfolder]: 322/560 cut-off events. [2021-03-26 06:20:30,284 INFO L130 PetriNetUnfolder]: For 2204/2215 co-relation queries the response was YES. [2021-03-26 06:20:30,286 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2620 conditions, 560 events. 322/560 cut-off events. For 2204/2215 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 2445 event pairs, 41 based on Foata normal form. 12/572 useless extension candidates. Maximal degree in co-relation 2516. Up to 240 conditions per place. [2021-03-26 06:20:30,290 INFO L132 encePairwiseOnDemand]: 28/37 looper letters, 50 selfloop transitions, 35 changer transitions 1/92 dead transitions. [2021-03-26 06:20:30,290 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 92 transitions, 920 flow [2021-03-26 06:20:30,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 06:20:30,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 06:20:30,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 186 transitions. [2021-03-26 06:20:30,291 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5585585585585585 [2021-03-26 06:20:30,291 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 186 transitions. [2021-03-26 06:20:30,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 186 transitions. [2021-03-26 06:20:30,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:20:30,292 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 186 transitions. [2021-03-26 06:20:30,292 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 06:20:30,294 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 37.0) internal successors, (370), 10 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:30,294 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 37.0) internal successors, (370), 10 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:30,294 INFO L185 Difference]: Start difference. First operand has 56 places, 48 transitions, 424 flow. Second operand 9 states and 186 transitions. [2021-03-26 06:20:30,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 92 transitions, 920 flow [2021-03-26 06:20:30,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 92 transitions, 884 flow, removed 13 selfloop flow, removed 2 redundant places. [2021-03-26 06:20:30,304 INFO L241 Difference]: Finished difference. Result has 67 places, 62 transitions, 651 flow [2021-03-26 06:20:30,304 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=651, PETRI_PLACES=67, PETRI_TRANSITIONS=62} [2021-03-26 06:20:30,304 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 44 predicate places. [2021-03-26 06:20:30,304 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:20:30,304 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 62 transitions, 651 flow [2021-03-26 06:20:30,305 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 62 transitions, 651 flow [2021-03-26 06:20:30,305 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 62 transitions, 651 flow [2021-03-26 06:20:30,325 INFO L129 PetriNetUnfolder]: 94/228 cut-off events. [2021-03-26 06:20:30,325 INFO L130 PetriNetUnfolder]: For 1226/1285 co-relation queries the response was YES. [2021-03-26 06:20:30,327 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1102 conditions, 228 events. 94/228 cut-off events. For 1226/1285 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1061 event pairs, 8 based on Foata normal form. 5/218 useless extension candidates. Maximal degree in co-relation 1024. Up to 78 conditions per place. [2021-03-26 06:20:30,329 INFO L142 LiptonReduction]: Number of co-enabled transitions 380 [2021-03-26 06:20:30,435 INFO L154 LiptonReduction]: Checked pairs total: 72 [2021-03-26 06:20:30,435 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 06:20:30,435 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 131 [2021-03-26 06:20:30,436 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 62 transitions, 659 flow [2021-03-26 06:20:30,436 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 15.666666666666666) internal successors, (188), 12 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 06:20:30,436 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:20:30,436 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:20:30,644 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:20:30,644 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:20:30,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:20:30,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1764702536, now seen corresponding path program 4 times [2021-03-26 06:20:30,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:20:30,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854299588] [2021-03-26 06:20:30,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:20:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:20:30,689 INFO L142 QuantifierPusher]: treesize reduction 12, result has 61.3 percent of original size [2021-03-26 06:20:30,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:20:30,705 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.0 percent of original size [2021-03-26 06:20:30,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:20:30,717 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.0 percent of original size [2021-03-26 06:20:30,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:20:30,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:20:30,738 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-26 06:20:30,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:30,748 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 06:20:30,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854299588] [2021-03-26 06:20:30,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927098926] [2021-03-26 06:20:30,748 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 06:20:30,774 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 06:20:30,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:20:30,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 06:20:30,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:20:30,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:30,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:30,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:30,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:30,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:30,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:30,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:30,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:30,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:30,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:30,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:30,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:30,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:30,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:30,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 06:20:30,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:30,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:30,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 06:20:30,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:30,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:30,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 06:20:30,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-03-26 06:20:30,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:30,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:30,805 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:20:30,814 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:30,815 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:20:30,815 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:30 [2021-03-26 06:20:30,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:30,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:30,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:30,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:30,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:30,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:30,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:30,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:30,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:30,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:30,842 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-03-26 06:20:30,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 06:20:30,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:30,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:30,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 06:20:30,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:30,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:30,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:30,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:30,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:30,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:30,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,872 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size 31 [2021-03-26 06:20:30,872 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-26 06:20:30,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:30,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:20:30,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 06:20:30,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:30,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:20:30,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 06:20:30,891 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 17 treesize of output 13 [2021-03-26 06:20:30,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:20:30,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:20:30,893 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:20:30,899 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,900 INFO L142 QuantifierPusher]: treesize reduction -1, result has 104.3 percent of original size [2021-03-26 06:20:30,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:30,900 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:20:30,900 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:24 [2021-03-26 06:20:30,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:30,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:30,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:30,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:30,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:30,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:30,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:30,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:30,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:30,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:30,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:30,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:30,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:30,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:30,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:20:30,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:30,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:20:30,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:30,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:30,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:20:30,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:30,937 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 13 treesize of output 9 [2021-03-26 06:20:30,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:30,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:30,938 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:20:30,942 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:30,943 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:20:30,943 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:12 [2021-03-26 06:20:30,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:30,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:30,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:30,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:30,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:30,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:30,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:30,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:30,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:30,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:30,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:30,961 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 06:20:30,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:20:30,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 06:20:30,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550242150] [2021-03-26 06:20:30,962 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:20:30,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:20:30,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:20:30,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:20:30,963 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 41 [2021-03-26 06:20:30,963 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 62 transitions, 659 flow. Second operand has 11 states, 11 states have (on average 15.727272727272727) internal successors, (173), 11 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 06:20:30,963 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:20:30,964 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 41 [2021-03-26 06:20:30,964 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:20:31,205 INFO L129 PetriNetUnfolder]: 359/606 cut-off events. [2021-03-26 06:20:31,206 INFO L130 PetriNetUnfolder]: For 4391/4412 co-relation queries the response was YES. [2021-03-26 06:20:31,208 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3370 conditions, 606 events. 359/606 cut-off events. For 4391/4412 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 2685 event pairs, 97 based on Foata normal form. 14/618 useless extension candidates. Maximal degree in co-relation 3293. Up to 506 conditions per place. [2021-03-26 06:20:31,212 INFO L132 encePairwiseOnDemand]: 35/41 looper letters, 71 selfloop transitions, 17 changer transitions 0/94 dead transitions. [2021-03-26 06:20:31,212 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 94 transitions, 1075 flow [2021-03-26 06:20:31,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 06:20:31,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 06:20:31,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 144 transitions. [2021-03-26 06:20:31,213 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5017421602787456 [2021-03-26 06:20:31,213 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 144 transitions. [2021-03-26 06:20:31,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 144 transitions. [2021-03-26 06:20:31,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:20:31,214 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 144 transitions. [2021-03-26 06:20:31,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.571428571428573) internal successors, (144), 7 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:31,215 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 41.0) internal successors, (328), 8 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 06:20:31,215 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 41.0) internal successors, (328), 8 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 06:20:31,215 INFO L185 Difference]: Start difference. First operand has 66 places, 62 transitions, 659 flow. Second operand 7 states and 144 transitions. [2021-03-26 06:20:31,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 94 transitions, 1075 flow [2021-03-26 06:20:31,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 94 transitions, 1002 flow, removed 26 selfloop flow, removed 4 redundant places. [2021-03-26 06:20:31,228 INFO L241 Difference]: Finished difference. Result has 70 places, 74 transitions, 776 flow [2021-03-26 06:20:31,228 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=776, PETRI_PLACES=70, PETRI_TRANSITIONS=74} [2021-03-26 06:20:31,228 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 47 predicate places. [2021-03-26 06:20:31,228 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:20:31,228 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 74 transitions, 776 flow [2021-03-26 06:20:31,228 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 74 transitions, 776 flow [2021-03-26 06:20:31,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 74 transitions, 776 flow [2021-03-26 06:20:31,251 INFO L129 PetriNetUnfolder]: 106/261 cut-off events. [2021-03-26 06:20:31,251 INFO L130 PetriNetUnfolder]: For 1355/1410 co-relation queries the response was YES. [2021-03-26 06:20:31,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1266 conditions, 261 events. 106/261 cut-off events. For 1355/1410 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1317 event pairs, 8 based on Foata normal form. 6/260 useless extension candidates. Maximal degree in co-relation 1199. Up to 82 conditions per place. [2021-03-26 06:20:31,256 INFO L142 LiptonReduction]: Number of co-enabled transitions 444 [2021-03-26 06:20:31,414 INFO L154 LiptonReduction]: Checked pairs total: 138 [2021-03-26 06:20:31,414 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-26 06:20:31,415 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 187 [2021-03-26 06:20:31,415 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 74 transitions, 788 flow [2021-03-26 06:20:31,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 15.727272727272727) internal successors, (173), 11 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 06:20:31,415 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:20:31,415 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:20:31,631 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:20:31,632 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:20:31,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:20:31,632 INFO L82 PathProgramCache]: Analyzing trace with hash 2132198376, now seen corresponding path program 1 times [2021-03-26 06:20:31,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:20:31,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85061016] [2021-03-26 06:20:31,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:20:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:20:31,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:31,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:31,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:31,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:31,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:31,671 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:20:31,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85061016] [2021-03-26 06:20:31,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285803291] [2021-03-26 06:20:31,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 06:20:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:20:31,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 06:20:31,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:20:31,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:31,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:31,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:31,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:31,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:31,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:31,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:31,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:31,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:31,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:31,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:31,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:31,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:31,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:31,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:31,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:31,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:31,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:31,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:31,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:31,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:31,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:31,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:31,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:31,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:31,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:31,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:31,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:31,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:31,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:31,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:31,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:31,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:31,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:20:31,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:31,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:31,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:20:31,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:31,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:31,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:31,750 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-03-26 06:20:31,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:31,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:31,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:31,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:20:31,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:31,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:31,755 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 06:20:31,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:31,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:31,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:31,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:31,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:31,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:31,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:31,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:31,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:31,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:31,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:31,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:31,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:31,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:31,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:31,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:31,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:31,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:31,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:31,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:31,764 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:20:31,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:20:31,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 5 [2021-03-26 06:20:31,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454698750] [2021-03-26 06:20:31,765 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 06:20:31,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:20:31,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 06:20:31,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 06:20:31,767 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2021-03-26 06:20:31,767 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 74 transitions, 788 flow. Second operand has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:31,768 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:20:31,768 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2021-03-26 06:20:31,768 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:20:31,991 INFO L129 PetriNetUnfolder]: 454/814 cut-off events. [2021-03-26 06:20:31,991 INFO L130 PetriNetUnfolder]: For 5935/5941 co-relation queries the response was YES. [2021-03-26 06:20:31,994 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4288 conditions, 814 events. 454/814 cut-off events. For 5935/5941 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4120 event pairs, 51 based on Foata normal form. 16/830 useless extension candidates. Maximal degree in co-relation 4115. Up to 257 conditions per place. [2021-03-26 06:20:31,999 INFO L132 encePairwiseOnDemand]: 30/47 looper letters, 76 selfloop transitions, 59 changer transitions 2/143 dead transitions. [2021-03-26 06:20:31,999 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 143 transitions, 1711 flow [2021-03-26 06:20:32,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 06:20:32,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 06:20:32,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 198 transitions. [2021-03-26 06:20:32,001 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.526595744680851 [2021-03-26 06:20:32,001 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 198 transitions. [2021-03-26 06:20:32,001 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 198 transitions. [2021-03-26 06:20:32,001 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:20:32,001 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 198 transitions. [2021-03-26 06:20:32,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 24.75) internal successors, (198), 8 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 06:20:32,002 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 47.0) internal successors, (423), 9 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:32,002 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 47.0) internal successors, (423), 9 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:32,002 INFO L185 Difference]: Start difference. First operand has 70 places, 74 transitions, 788 flow. Second operand 8 states and 198 transitions. [2021-03-26 06:20:32,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 143 transitions, 1711 flow [2021-03-26 06:20:32,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 143 transitions, 1639 flow, removed 32 selfloop flow, removed 2 redundant places. [2021-03-26 06:20:32,016 INFO L241 Difference]: Finished difference. Result has 80 places, 98 transitions, 1246 flow [2021-03-26 06:20:32,016 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=740, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1246, PETRI_PLACES=80, PETRI_TRANSITIONS=98} [2021-03-26 06:20:32,017 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 57 predicate places. [2021-03-26 06:20:32,017 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:20:32,017 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 98 transitions, 1246 flow [2021-03-26 06:20:32,017 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 98 transitions, 1246 flow [2021-03-26 06:20:32,018 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 98 transitions, 1246 flow [2021-03-26 06:20:32,054 INFO L129 PetriNetUnfolder]: 194/445 cut-off events. [2021-03-26 06:20:32,054 INFO L130 PetriNetUnfolder]: For 3782/3846 co-relation queries the response was YES. [2021-03-26 06:20:32,057 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2471 conditions, 445 events. 194/445 cut-off events. For 3782/3846 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2460 event pairs, 9 based on Foata normal form. 10/440 useless extension candidates. Maximal degree in co-relation 2341. Up to 134 conditions per place. [2021-03-26 06:20:32,062 INFO L142 LiptonReduction]: Number of co-enabled transitions 518 [2021-03-26 06:20:32,213 INFO L154 LiptonReduction]: Checked pairs total: 130 [2021-03-26 06:20:32,213 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-26 06:20:32,213 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 196 [2021-03-26 06:20:32,214 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 98 transitions, 1256 flow [2021-03-26 06:20:32,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:32,214 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:20:32,214 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:20:32,427 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-03-26 06:20:32,428 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:20:32,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:20:32,428 INFO L82 PathProgramCache]: Analyzing trace with hash -161780987, now seen corresponding path program 1 times [2021-03-26 06:20:32,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:20:32,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27781759] [2021-03-26 06:20:32,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:20:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:20:32,468 INFO L142 QuantifierPusher]: treesize reduction 8, result has 66.7 percent of original size [2021-03-26 06:20:32,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:32,477 INFO L142 QuantifierPusher]: treesize reduction 8, result has 75.8 percent of original size [2021-03-26 06:20:32,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:32,488 INFO L142 QuantifierPusher]: treesize reduction 8, result has 75.8 percent of original size [2021-03-26 06:20:32,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:32,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:20:32,508 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-26 06:20:32,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:32,518 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 06:20:32,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27781759] [2021-03-26 06:20:32,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683922606] [2021-03-26 06:20:32,518 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) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:20:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:20:32,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 06:20:32,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:20:32,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:32,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:32,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:32,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:32,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:32,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:32,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:32,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:32,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:32,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:32,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:32,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:32,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:32,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:32,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:32,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:32,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:32,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:32,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:32,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:32,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:32,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-03-26 06:20:32,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:32,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:32,568 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:20:32,578 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:20:32,579 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:20:32,579 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:28 [2021-03-26 06:20:32,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:20:32,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:20:32,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:20:32,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:20:32,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:20:32,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:20:32,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:20:32,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:20:32,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:20:32,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:20:32,606 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-03-26 06:20:32,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 06:20:32,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:32,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:32,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 06:20:32,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:20:32,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:20:32,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:32,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:32,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:20:32,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 06:20:32,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:32,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:20:32,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 06:20:32,649 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 17 treesize of output 13 [2021-03-26 06:20:32,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:20:32,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:20:32,651 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:20:32,658 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,659 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-26 06:20:32,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:32,660 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:20:32,660 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:21 [2021-03-26 06:20:32,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:32,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:32,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:32,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:32,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:32,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:32,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,683 INFO L147 QuantifierPusher]: treesize reduction 3, result has 86.4 percent of original size 19 [2021-03-26 06:20:32,684 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.0 percent of original size [2021-03-26 06:20:32,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:32,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:32,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:32,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:32,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:32,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:32,691 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 7 treesize of output 5 [2021-03-26 06:20:32,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:32,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:32,693 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:20:32,697 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:32,698 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:20:32,698 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:12 [2021-03-26 06:20:32,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:32,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:32,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:32,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:32,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:32,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:32,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:32,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:32,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:32,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:32,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:32,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:32,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:32,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:32,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:32,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:32,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:32,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:32,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:32,723 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 06:20:32,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:20:32,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 06:20:32,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616715418] [2021-03-26 06:20:32,724 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:20:32,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:20:32,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:20:32,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:20:32,725 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 52 [2021-03-26 06:20:32,725 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 98 transitions, 1256 flow. Second operand has 11 states, 11 states have (on average 15.545454545454545) internal successors, (171), 11 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 06:20:32,725 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:20:32,725 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 52 [2021-03-26 06:20:32,725 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:20:33,059 INFO L129 PetriNetUnfolder]: 461/833 cut-off events. [2021-03-26 06:20:33,060 INFO L130 PetriNetUnfolder]: For 8178/8186 co-relation queries the response was YES. [2021-03-26 06:20:33,063 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5006 conditions, 833 events. 461/833 cut-off events. For 8178/8186 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4237 event pairs, 120 based on Foata normal form. 9/842 useless extension candidates. Maximal degree in co-relation 4842. Up to 685 conditions per place. [2021-03-26 06:20:33,069 INFO L132 encePairwiseOnDemand]: 45/52 looper letters, 102 selfloop transitions, 19 changer transitions 0/127 dead transitions. [2021-03-26 06:20:33,069 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 127 transitions, 1744 flow [2021-03-26 06:20:33,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 06:20:33,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 06:20:33,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 154 transitions. [2021-03-26 06:20:33,071 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4230769230769231 [2021-03-26 06:20:33,071 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 154 transitions. [2021-03-26 06:20:33,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 154 transitions. [2021-03-26 06:20:33,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:20:33,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 154 transitions. [2021-03-26 06:20:33,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 22.0) internal successors, (154), 7 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 06:20:33,072 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 52.0) internal successors, (416), 8 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:33,072 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 52.0) internal successors, (416), 8 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:33,072 INFO L185 Difference]: Start difference. First operand has 80 places, 98 transitions, 1256 flow. Second operand 7 states and 154 transitions. [2021-03-26 06:20:33,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 127 transitions, 1744 flow [2021-03-26 06:20:33,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 127 transitions, 1662 flow, removed 35 selfloop flow, removed 1 redundant places. [2021-03-26 06:20:33,093 INFO L241 Difference]: Finished difference. Result has 87 places, 104 transitions, 1315 flow [2021-03-26 06:20:33,094 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=1188, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1315, PETRI_PLACES=87, PETRI_TRANSITIONS=104} [2021-03-26 06:20:33,094 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 64 predicate places. [2021-03-26 06:20:33,094 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:20:33,094 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 104 transitions, 1315 flow [2021-03-26 06:20:33,094 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 104 transitions, 1315 flow [2021-03-26 06:20:33,095 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 104 transitions, 1315 flow [2021-03-26 06:20:33,137 INFO L129 PetriNetUnfolder]: 198/465 cut-off events. [2021-03-26 06:20:33,137 INFO L130 PetriNetUnfolder]: For 3716/3813 co-relation queries the response was YES. [2021-03-26 06:20:33,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2516 conditions, 465 events. 198/465 cut-off events. For 3716/3813 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 2661 event pairs, 13 based on Foata normal form. 12/459 useless extension candidates. Maximal degree in co-relation 2373. Up to 132 conditions per place. [2021-03-26 06:20:33,144 INFO L142 LiptonReduction]: Number of co-enabled transitions 540 [2021-03-26 06:20:33,275 INFO L154 LiptonReduction]: Checked pairs total: 112 [2021-03-26 06:20:33,276 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 06:20:33,276 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 182 [2021-03-26 06:20:33,276 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 104 transitions, 1323 flow [2021-03-26 06:20:33,276 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 15.545454545454545) internal successors, (171), 11 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 06:20:33,277 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:20:33,277 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:20:33,499 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:20:33,499 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:20:33,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:20:33,500 INFO L82 PathProgramCache]: Analyzing trace with hash 2106287250, now seen corresponding path program 2 times [2021-03-26 06:20:33,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:20:33,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948100693] [2021-03-26 06:20:33,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:20:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:20:33,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:33,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:33,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:33,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:33,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:33,527 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:20:33,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948100693] [2021-03-26 06:20:33,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432314571] [2021-03-26 06:20:33,527 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:20:33,567 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:20:33,567 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:20:33,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 06:20:33,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:20:33,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:33,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:33,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:33,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:33,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:33,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:33,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:33,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:33,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:33,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:33,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:33,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:33,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:33,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:33,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:33,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:33,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:33,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:33,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:33,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:33,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:33,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:33,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:33,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:33,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:33,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:33,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:33,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:33,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:33,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:33,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:33,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:33,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:33,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:20:33,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:33,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:33,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:20:33,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:33,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:33,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:33,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:33,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:33,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:20:33,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:33,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:33,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:20:33,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:33,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:33,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:33,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:33,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:33,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:33,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:33,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:33,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:33,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:33,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:33,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:33,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:33,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:33,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:33,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:33,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:33,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:33,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:33,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:33,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:33,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:33,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:33,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:33,631 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 06:20:33,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:20:33,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-03-26 06:20:33,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950860342] [2021-03-26 06:20:33,631 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 06:20:33,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:20:33,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 06:20:33,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-03-26 06:20:33,632 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 56 [2021-03-26 06:20:33,632 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 104 transitions, 1323 flow. Second operand has 9 states, 9 states have (on average 16.11111111111111) internal successors, (145), 9 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:33,632 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:20:33,632 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 56 [2021-03-26 06:20:33,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:20:34,190 INFO L129 PetriNetUnfolder]: 832/1505 cut-off events. [2021-03-26 06:20:34,190 INFO L130 PetriNetUnfolder]: For 16463/16477 co-relation queries the response was YES. [2021-03-26 06:20:34,197 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9276 conditions, 1505 events. 832/1505 cut-off events. For 16463/16477 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 8660 event pairs, 73 based on Foata normal form. 72/1577 useless extension candidates. Maximal degree in co-relation 8976. Up to 489 conditions per place. [2021-03-26 06:20:34,206 INFO L132 encePairwiseOnDemand]: 28/56 looper letters, 108 selfloop transitions, 157 changer transitions 0/271 dead transitions. [2021-03-26 06:20:34,207 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 271 transitions, 3921 flow [2021-03-26 06:20:34,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 06:20:34,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 06:20:34,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 403 transitions. [2021-03-26 06:20:34,209 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3998015873015873 [2021-03-26 06:20:34,209 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 403 transitions. [2021-03-26 06:20:34,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 403 transitions. [2021-03-26 06:20:34,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:20:34,210 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 403 transitions. [2021-03-26 06:20:34,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 22.38888888888889) internal successors, (403), 18 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:34,212 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 56.0) internal successors, (1064), 19 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:34,212 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 56.0) internal successors, (1064), 19 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:34,212 INFO L185 Difference]: Start difference. First operand has 87 places, 104 transitions, 1323 flow. Second operand 18 states and 403 transitions. [2021-03-26 06:20:34,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 271 transitions, 3921 flow [2021-03-26 06:20:34,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 271 transitions, 3787 flow, removed 32 selfloop flow, removed 4 redundant places. [2021-03-26 06:20:34,249 INFO L241 Difference]: Finished difference. Result has 111 places, 205 transitions, 3236 flow [2021-03-26 06:20:34,249 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=1237, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=3236, PETRI_PLACES=111, PETRI_TRANSITIONS=205} [2021-03-26 06:20:34,250 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 88 predicate places. [2021-03-26 06:20:34,250 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:20:34,250 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 205 transitions, 3236 flow [2021-03-26 06:20:34,250 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 205 transitions, 3236 flow [2021-03-26 06:20:34,252 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 205 transitions, 3236 flow [2021-03-26 06:20:34,353 INFO L129 PetriNetUnfolder]: 432/956 cut-off events. [2021-03-26 06:20:34,353 INFO L130 PetriNetUnfolder]: For 14460/14750 co-relation queries the response was YES. [2021-03-26 06:20:34,360 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6430 conditions, 956 events. 432/956 cut-off events. For 14460/14750 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 6223 event pairs, 28 based on Foata normal form. 22/941 useless extension candidates. Maximal degree in co-relation 6158. Up to 294 conditions per place. [2021-03-26 06:20:34,371 INFO L142 LiptonReduction]: Number of co-enabled transitions 834 [2021-03-26 06:20:34,588 INFO L154 LiptonReduction]: Checked pairs total: 98 [2021-03-26 06:20:34,589 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 06:20:34,589 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 339 [2021-03-26 06:20:34,590 INFO L480 AbstractCegarLoop]: Abstraction has has 111 places, 205 transitions, 3240 flow [2021-03-26 06:20:34,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 16.11111111111111) internal successors, (145), 9 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:34,591 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:20:34,591 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:20:34,803 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:20:34,804 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:20:34,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:20:34,804 INFO L82 PathProgramCache]: Analyzing trace with hash 892980882, now seen corresponding path program 5 times [2021-03-26 06:20:34,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:20:34,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604262601] [2021-03-26 06:20:34,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:20:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:20:34,833 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-03-26 06:20:34,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:34,842 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-03-26 06:20:34,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:20:34,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:20:34,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:20:34,867 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-26 06:20:34,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:34,876 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 06:20:34,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604262601] [2021-03-26 06:20:34,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596667331] [2021-03-26 06:20:34,876 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:20:34,907 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:20:34,907 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:20:34,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 24 conjunts are in the unsatisfiable core [2021-03-26 06:20:34,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:20:34,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:34,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:34,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:34,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:34,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:34,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:34,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:34,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:34,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:34,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:34,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:34,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:34,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:34,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:34,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:34,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:34,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:34,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:34,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 06:20:34,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:34,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:34,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 06:20:34,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:34,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:34,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 06:20:34,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-03-26 06:20:34,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:34,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:34,936 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:20:34,945 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:34,946 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:20:34,946 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:30 [2021-03-26 06:20:34,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:34,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:34,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 06:20:34,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:34,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:20:34,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 06:20:34,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:34,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:20:34,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 06:20:34,981 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 17 treesize of output 13 [2021-03-26 06:20:34,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:20:34,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:20:34,983 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:20:34,992 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,993 INFO L142 QuantifierPusher]: treesize reduction -1, result has 103.6 percent of original size [2021-03-26 06:20:34,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:34,994 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:20:34,994 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:29 [2021-03-26 06:20:34,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:34,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:34,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:35,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:35,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:35,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:35,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:35,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:35,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:35,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:35,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:35,021 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size [2021-03-26 06:20:35,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 06:20:35,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:35,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:35,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 06:20:35,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:35,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:35,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:35,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:35,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:35,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:35,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:35,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:35,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:35,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:35,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 06:20:35,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,057 INFO L147 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size 24 [2021-03-26 06:20:35,058 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-03-26 06:20:35,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:35,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 06:20:35,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:20:35,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:35,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:20:35,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:35,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:35,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:20:35,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:35,089 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 13 treesize of output 9 [2021-03-26 06:20:35,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:35,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:35,091 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:20:35,095 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:35,096 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:20:35,096 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:12 [2021-03-26 06:20:35,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:35,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:35,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:35,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:35,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:35,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:35,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:35,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:35,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:35,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:35,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:35,116 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 06:20:35,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:20:35,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-03-26 06:20:35,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475084669] [2021-03-26 06:20:35,117 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 06:20:35,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:20:35,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 06:20:35,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-03-26 06:20:35,117 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 58 [2021-03-26 06:20:35,117 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 205 transitions, 3240 flow. Second operand has 12 states, 12 states have (on average 15.583333333333334) internal successors, (187), 12 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:35,118 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:20:35,118 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 58 [2021-03-26 06:20:35,118 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:20:35,827 INFO L129 PetriNetUnfolder]: 883/1655 cut-off events. [2021-03-26 06:20:35,827 INFO L130 PetriNetUnfolder]: For 29375/29391 co-relation queries the response was YES. [2021-03-26 06:20:35,837 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12219 conditions, 1655 events. 883/1655 cut-off events. For 29375/29391 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 10104 event pairs, 198 based on Foata normal form. 19/1672 useless extension candidates. Maximal degree in co-relation 11853. Up to 1332 conditions per place. [2021-03-26 06:20:35,852 INFO L132 encePairwiseOnDemand]: 47/58 looper letters, 206 selfloop transitions, 31 changer transitions 3/246 dead transitions. [2021-03-26 06:20:35,852 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 246 transitions, 4304 flow [2021-03-26 06:20:35,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 06:20:35,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 06:20:35,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 170 transitions. [2021-03-26 06:20:35,854 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4187192118226601 [2021-03-26 06:20:35,854 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 170 transitions. [2021-03-26 06:20:35,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 170 transitions. [2021-03-26 06:20:35,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:20:35,854 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 170 transitions. [2021-03-26 06:20:35,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 24.285714285714285) internal successors, (170), 7 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:35,856 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 58.0) internal successors, (464), 8 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:35,856 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 58.0) internal successors, (464), 8 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:35,857 INFO L185 Difference]: Start difference. First operand has 111 places, 205 transitions, 3240 flow. Second operand 7 states and 170 transitions. [2021-03-26 06:20:35,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 246 transitions, 4304 flow [2021-03-26 06:20:35,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 246 transitions, 3842 flow, removed 216 selfloop flow, removed 4 redundant places. [2021-03-26 06:20:35,959 INFO L241 Difference]: Finished difference. Result has 117 places, 221 transitions, 3211 flow [2021-03-26 06:20:35,960 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=2816, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3211, PETRI_PLACES=117, PETRI_TRANSITIONS=221} [2021-03-26 06:20:35,960 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 94 predicate places. [2021-03-26 06:20:35,960 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:20:35,960 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 117 places, 221 transitions, 3211 flow [2021-03-26 06:20:35,961 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 117 places, 221 transitions, 3211 flow [2021-03-26 06:20:35,963 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 117 places, 221 transitions, 3211 flow [2021-03-26 06:20:36,105 INFO L129 PetriNetUnfolder]: 539/1143 cut-off events. [2021-03-26 06:20:36,105 INFO L130 PetriNetUnfolder]: For 16893/17347 co-relation queries the response was YES. [2021-03-26 06:20:36,112 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7394 conditions, 1143 events. 539/1143 cut-off events. For 16893/17347 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 7641 event pairs, 55 based on Foata normal form. 28/1118 useless extension candidates. Maximal degree in co-relation 7077. Up to 340 conditions per place. [2021-03-26 06:20:36,122 INFO L142 LiptonReduction]: Number of co-enabled transitions 878 [2021-03-26 06:20:36,223 INFO L154 LiptonReduction]: Checked pairs total: 54 [2021-03-26 06:20:36,223 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 06:20:36,224 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 264 [2021-03-26 06:20:36,225 INFO L480 AbstractCegarLoop]: Abstraction has has 117 places, 221 transitions, 3213 flow [2021-03-26 06:20:36,226 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 15.583333333333334) internal successors, (187), 12 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:36,226 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:20:36,226 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:20:36,439 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-03-26 06:20:36,440 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:20:36,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:20:36,440 INFO L82 PathProgramCache]: Analyzing trace with hash 253243174, now seen corresponding path program 2 times [2021-03-26 06:20:36,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:20:36,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298753542] [2021-03-26 06:20:36,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:20:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:20:36,473 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:20:36,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:36,480 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:20:36,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:36,486 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:20:36,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:36,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:36,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:36,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:36,504 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:20:36,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298753542] [2021-03-26 06:20:36,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623068193] [2021-03-26 06:20:36,504 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 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 06:20:36,529 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:20:36,529 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:20:36,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 06:20:36,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:20:36,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:36,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:36,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:36,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:36,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:36,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:36,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:36,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:36,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:36,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:36,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:36,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:36,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:36,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:36,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:36,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:36,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:36,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:36,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:36,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:36,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:36,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:36,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:36,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:36,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:36,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:36,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:36,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:36,563 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-03-26 06:20:36,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:36,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:36,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:36,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:36,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:36,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:36,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:36,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:36,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:36,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:36,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:36,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:20:36,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:36,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:36,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:20:36,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:36,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:36,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:36,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:36,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:36,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:36,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:36,577 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 06:20:36,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:36,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:36,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:36,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:36,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:36,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:36,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:36,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:36,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:36,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:36,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:36,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:36,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:36,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:36,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:36,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:36,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:36,585 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:20:36,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:20:36,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 8 [2021-03-26 06:20:36,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599663603] [2021-03-26 06:20:36,586 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 06:20:36,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:20:36,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 06:20:36,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-03-26 06:20:36,587 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 59 [2021-03-26 06:20:36,587 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 221 transitions, 3213 flow. Second operand has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 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 06:20:36,587 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:20:36,587 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 59 [2021-03-26 06:20:36,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:20:37,183 INFO L129 PetriNetUnfolder]: 1253/2386 cut-off events. [2021-03-26 06:20:37,183 INFO L130 PetriNetUnfolder]: For 41723/41744 co-relation queries the response was YES. [2021-03-26 06:20:37,195 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17227 conditions, 2386 events. 1253/2386 cut-off events. For 41723/41744 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 16115 event pairs, 79 based on Foata normal form. 75/2460 useless extension candidates. Maximal degree in co-relation 16687. Up to 928 conditions per place. [2021-03-26 06:20:37,214 INFO L132 encePairwiseOnDemand]: 52/59 looper letters, 289 selfloop transitions, 140 changer transitions 1/436 dead transitions. [2021-03-26 06:20:37,214 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 436 transitions, 6905 flow [2021-03-26 06:20:37,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 06:20:37,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 06:20:37,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 253 transitions. [2021-03-26 06:20:37,216 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3898305084745763 [2021-03-26 06:20:37,216 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 253 transitions. [2021-03-26 06:20:37,216 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 253 transitions. [2021-03-26 06:20:37,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:20:37,217 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 253 transitions. [2021-03-26 06:20:37,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 23.0) internal successors, (253), 11 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:37,219 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 59.0) internal successors, (708), 12 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:37,219 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 59.0) internal successors, (708), 12 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:37,219 INFO L185 Difference]: Start difference. First operand has 117 places, 221 transitions, 3213 flow. Second operand 11 states and 253 transitions. [2021-03-26 06:20:37,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 436 transitions, 6905 flow [2021-03-26 06:20:37,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 436 transitions, 6785 flow, removed 52 selfloop flow, removed 3 redundant places. [2021-03-26 06:20:37,332 INFO L241 Difference]: Finished difference. Result has 128 places, 312 transitions, 4950 flow [2021-03-26 06:20:37,333 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=2990, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=4950, PETRI_PLACES=128, PETRI_TRANSITIONS=312} [2021-03-26 06:20:37,333 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 105 predicate places. [2021-03-26 06:20:37,333 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:20:37,333 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 312 transitions, 4950 flow [2021-03-26 06:20:37,333 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 312 transitions, 4950 flow [2021-03-26 06:20:37,337 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 312 transitions, 4950 flow [2021-03-26 06:20:37,548 INFO L129 PetriNetUnfolder]: 767/1659 cut-off events. [2021-03-26 06:20:37,548 INFO L130 PetriNetUnfolder]: For 31925/32844 co-relation queries the response was YES. [2021-03-26 06:20:37,560 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11769 conditions, 1659 events. 767/1659 cut-off events. For 31925/32844 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 12237 event pairs, 96 based on Foata normal form. 71/1646 useless extension candidates. Maximal degree in co-relation 11343. Up to 533 conditions per place. [2021-03-26 06:20:37,580 INFO L142 LiptonReduction]: Number of co-enabled transitions 1288 [2021-03-26 06:20:37,808 INFO L154 LiptonReduction]: Checked pairs total: 252 [2021-03-26 06:20:37,808 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 06:20:37,808 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 475 [2021-03-26 06:20:37,809 INFO L480 AbstractCegarLoop]: Abstraction has has 128 places, 312 transitions, 4956 flow [2021-03-26 06:20:37,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 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 06:20:37,809 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:20:37,809 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:20:38,031 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:20:38,032 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:20:38,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:20:38,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1870605874, now seen corresponding path program 6 times [2021-03-26 06:20:38,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:20:38,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436648916] [2021-03-26 06:20:38,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:20:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:20:38,096 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-03-26 06:20:38,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:38,105 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-03-26 06:20:38,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:20:38,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:20:38,130 INFO L142 QuantifierPusher]: treesize reduction 13, result has 58.1 percent of original size [2021-03-26 06:20:38,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:20:38,139 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-26 06:20:38,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:38,148 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 06:20:38,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436648916] [2021-03-26 06:20:38,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239581887] [2021-03-26 06:20:38,148 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 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 06:20:38,174 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-26 06:20:38,174 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:20:38,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 06:20:38,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:20:38,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:38,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:38,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:38,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:38,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:38,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:38,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:38,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:38,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:38,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:38,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:38,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:38,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:38,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:38,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:38,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:38,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:38,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:38,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:38,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:38,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:38,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-03-26 06:20:38,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:38,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:38,200 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:20:38,210 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:20:38,212 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:20:38,212 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:28 [2021-03-26 06:20:38,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:20:38,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:20:38,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 06:20:38,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:38,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:20:38,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:38,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:38,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:20:38,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:38,252 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 15 treesize of output 11 [2021-03-26 06:20:38,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:38,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:38,254 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:20:38,261 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:38,262 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:20:38,262 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:20 [2021-03-26 06:20:38,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:38,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:38,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:38,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:38,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:38,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:38,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:38,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:38,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:38,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:38,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:38,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:38,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:38,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:38,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,289 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-03-26 06:20:38,289 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-26 06:20:38,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:38,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:20:38,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:38,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:38,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:20:38,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:38,297 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 13 treesize of output 9 [2021-03-26 06:20:38,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:38,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:38,299 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:20:38,303 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:38,304 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:20:38,304 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:12 [2021-03-26 06:20:38,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:38,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:38,319 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-03-26 06:20:38,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:20:38,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:38,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:38,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:20:38,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:38,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:38,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:38,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:38,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:38,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:38,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:38,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:38,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:38,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:38,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:38,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:38,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:38,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:38,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:38,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:38,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:38,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:38,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:38,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:38,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:38,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:38,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:38,350 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 06:20:38,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:20:38,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 06:20:38,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442922439] [2021-03-26 06:20:38,351 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:20:38,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:20:38,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:20:38,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:20:38,351 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 62 [2021-03-26 06:20:38,352 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 312 transitions, 4956 flow. Second operand has 11 states, 11 states have (on average 15.727272727272727) internal successors, (173), 11 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 06:20:38,352 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:20:38,352 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 62 [2021-03-26 06:20:38,352 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:20:39,014 INFO L129 PetriNetUnfolder]: 1316/2495 cut-off events. [2021-03-26 06:20:39,015 INFO L130 PetriNetUnfolder]: For 52271/52282 co-relation queries the response was YES. [2021-03-26 06:20:39,029 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19611 conditions, 2495 events. 1316/2495 cut-off events. For 52271/52282 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 16909 event pairs, 346 based on Foata normal form. 10/2505 useless extension candidates. Maximal degree in co-relation 19081. Up to 1978 conditions per place. [2021-03-26 06:20:39,041 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 308 selfloop transitions, 47 changer transitions 4/365 dead transitions. [2021-03-26 06:20:39,041 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 365 transitions, 6493 flow [2021-03-26 06:20:39,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 06:20:39,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 06:20:39,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 168 transitions. [2021-03-26 06:20:39,042 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3870967741935484 [2021-03-26 06:20:39,043 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 168 transitions. [2021-03-26 06:20:39,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 168 transitions. [2021-03-26 06:20:39,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:20:39,043 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 168 transitions. [2021-03-26 06:20:39,043 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:39,044 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 62.0) internal successors, (496), 8 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:39,044 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 62.0) internal successors, (496), 8 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:39,044 INFO L185 Difference]: Start difference. First operand has 128 places, 312 transitions, 4956 flow. Second operand 7 states and 168 transitions. [2021-03-26 06:20:39,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 365 transitions, 6493 flow [2021-03-26 06:20:39,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 365 transitions, 6115 flow, removed 181 selfloop flow, removed 3 redundant places. [2021-03-26 06:20:39,194 INFO L241 Difference]: Finished difference. Result has 133 places, 331 transitions, 5125 flow [2021-03-26 06:20:39,194 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=4624, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=5125, PETRI_PLACES=133, PETRI_TRANSITIONS=331} [2021-03-26 06:20:39,195 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 110 predicate places. [2021-03-26 06:20:39,195 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:20:39,195 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 133 places, 331 transitions, 5125 flow [2021-03-26 06:20:39,195 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 133 places, 331 transitions, 5125 flow [2021-03-26 06:20:39,197 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 133 places, 331 transitions, 5125 flow [2021-03-26 06:20:39,408 INFO L129 PetriNetUnfolder]: 776/1706 cut-off events. [2021-03-26 06:20:39,408 INFO L130 PetriNetUnfolder]: For 33484/34093 co-relation queries the response was YES. [2021-03-26 06:20:39,421 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11957 conditions, 1706 events. 776/1706 cut-off events. For 33484/34093 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 12886 event pairs, 114 based on Foata normal form. 73/1701 useless extension candidates. Maximal degree in co-relation 11744. Up to 507 conditions per place. [2021-03-26 06:20:39,437 INFO L142 LiptonReduction]: Number of co-enabled transitions 1360 [2021-03-26 06:20:39,607 INFO L154 LiptonReduction]: Checked pairs total: 174 [2021-03-26 06:20:39,607 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 06:20:39,607 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 412 [2021-03-26 06:20:39,607 INFO L480 AbstractCegarLoop]: Abstraction has has 133 places, 331 transitions, 5129 flow [2021-03-26 06:20:39,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 15.727272727272727) internal successors, (173), 11 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 06:20:39,608 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:20:39,608 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:20:39,811 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-03-26 06:20:39,814 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:20:39,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:20:39,814 INFO L82 PathProgramCache]: Analyzing trace with hash -2116308476, now seen corresponding path program 7 times [2021-03-26 06:20:39,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:20:39,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891488652] [2021-03-26 06:20:39,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:20:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:20:39,834 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-03-26 06:20:39,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:39,845 INFO L142 QuantifierPusher]: treesize reduction 8, result has 76.5 percent of original size [2021-03-26 06:20:39,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 06:20:39,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:20:39,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:20:39,873 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-26 06:20:39,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:39,880 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 06:20:39,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891488652] [2021-03-26 06:20:39,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285856544] [2021-03-26 06:20:39,881 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:20:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:20:39,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 06:20:39,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:20:39,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:39,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:39,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:39,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:39,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:39,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:39,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:39,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:39,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:39,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:39,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:39,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:39,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:39,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:39,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 06:20:39,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:39,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:39,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 06:20:39,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:39,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:39,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 06:20:39,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-03-26 06:20:39,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:39,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:39,932 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:20:39,940 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:39,941 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:20:39,941 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:25 [2021-03-26 06:20:39,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:39,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:39,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:39,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:39,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:39,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:39,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:39,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:39,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:39,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:39,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:39,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:39,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:39,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:39,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 06:20:39,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:39,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:20:39,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:39,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:39,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:20:39,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:39,978 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 15 treesize of output 11 [2021-03-26 06:20:39,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:39,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:39,979 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:20:39,987 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:39,987 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:20:39,987 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:20 [2021-03-26 06:20:39,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:39,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:39,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:40,004 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 06:20:40,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 06:20:40,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:40,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:40,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:40,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:40,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:40,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,027 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-03-26 06:20:40,027 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-26 06:20:40,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:40,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:20:40,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:40,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:40,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:20:40,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:40,032 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 13 treesize of output 9 [2021-03-26 06:20:40,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:40,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:40,034 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:20:40,039 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:40,040 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:20:40,040 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:12 [2021-03-26 06:20:40,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:40,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:40,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:40,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:40,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:40,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:40,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:40,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:40,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:40,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:40,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:40,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:40,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:40,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:40,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:40,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:40,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:40,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:40,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:40,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:40,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:40,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:40,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:40,075 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 06:20:40,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:20:40,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 06:20:40,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116370984] [2021-03-26 06:20:40,076 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:20:40,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:20:40,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:20:40,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:20:40,077 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 64 [2021-03-26 06:20:40,077 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 331 transitions, 5129 flow. Second operand has 11 states, 11 states have (on average 15.727272727272727) internal successors, (173), 11 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 06:20:40,077 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:20:40,077 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 64 [2021-03-26 06:20:40,077 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:20:40,732 INFO L129 PetriNetUnfolder]: 1369/2612 cut-off events. [2021-03-26 06:20:40,732 INFO L130 PetriNetUnfolder]: For 52939/52957 co-relation queries the response was YES. [2021-03-26 06:20:40,742 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19888 conditions, 2612 events. 1369/2612 cut-off events. For 52939/52957 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 17997 event pairs, 318 based on Foata normal form. 15/2625 useless extension candidates. Maximal degree in co-relation 19430. Up to 2145 conditions per place. [2021-03-26 06:20:40,755 INFO L132 encePairwiseOnDemand]: 56/64 looper letters, 334 selfloop transitions, 26 changer transitions 12/378 dead transitions. [2021-03-26 06:20:40,755 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 378 transitions, 6542 flow [2021-03-26 06:20:40,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 06:20:40,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 06:20:40,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 164 transitions. [2021-03-26 06:20:40,757 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.36607142857142855 [2021-03-26 06:20:40,757 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 164 transitions. [2021-03-26 06:20:40,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 164 transitions. [2021-03-26 06:20:40,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:20:40,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 164 transitions. [2021-03-26 06:20:40,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 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 06:20:40,758 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 64.0) internal successors, (512), 8 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:40,758 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 64.0) internal successors, (512), 8 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:40,758 INFO L185 Difference]: Start difference. First operand has 133 places, 331 transitions, 5129 flow. Second operand 7 states and 164 transitions. [2021-03-26 06:20:40,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 378 transitions, 6542 flow [2021-03-26 06:20:40,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 378 transitions, 6444 flow, removed 36 selfloop flow, removed 3 redundant places. [2021-03-26 06:20:40,908 INFO L241 Difference]: Finished difference. Result has 139 places, 341 transitions, 5222 flow [2021-03-26 06:20:40,909 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=5031, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=5222, PETRI_PLACES=139, PETRI_TRANSITIONS=341} [2021-03-26 06:20:40,909 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 116 predicate places. [2021-03-26 06:20:40,909 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:20:40,909 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 139 places, 341 transitions, 5222 flow [2021-03-26 06:20:40,909 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 139 places, 341 transitions, 5222 flow [2021-03-26 06:20:40,911 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 139 places, 341 transitions, 5222 flow [2021-03-26 06:20:41,062 INFO L129 PetriNetUnfolder]: 806/1779 cut-off events. [2021-03-26 06:20:41,062 INFO L130 PetriNetUnfolder]: For 33957/34571 co-relation queries the response was YES. [2021-03-26 06:20:41,072 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12387 conditions, 1779 events. 806/1779 cut-off events. For 33957/34571 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 13656 event pairs, 108 based on Foata normal form. 72/1762 useless extension candidates. Maximal degree in co-relation 12015. Up to 517 conditions per place. [2021-03-26 06:20:41,085 INFO L142 LiptonReduction]: Number of co-enabled transitions 1390 [2021-03-26 06:20:41,449 INFO L154 LiptonReduction]: Checked pairs total: 900 [2021-03-26 06:20:41,449 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-26 06:20:41,449 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 540 [2021-03-26 06:20:41,450 INFO L480 AbstractCegarLoop]: Abstraction has has 139 places, 341 transitions, 5242 flow [2021-03-26 06:20:41,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 15.727272727272727) internal successors, (173), 11 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 06:20:41,450 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:20:41,450 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:20:41,650 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-03-26 06:20:41,650 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:20:41,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:20:41,651 INFO L82 PathProgramCache]: Analyzing trace with hash 616117005, now seen corresponding path program 1 times [2021-03-26 06:20:41,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:20:41,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213848934] [2021-03-26 06:20:41,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:20:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:20:41,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:41,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:41,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:41,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:41,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:41,677 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:20:41,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213848934] [2021-03-26 06:20:41,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887636224] [2021-03-26 06:20:41,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 06:20:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:20:41,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 06:20:41,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:20:41,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:41,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:41,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:41,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:20:41,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:41,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:41,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:41,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:41,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:41,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:41,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:41,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:41,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:41,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:41,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:41,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:41,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:41,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:41,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:41,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:41,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:41,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:41,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:41,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:41,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:41,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:41,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:41,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:41,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:41,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:41,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:41,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:41,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:41,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:41,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:41,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:20:41,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:41,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:41,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:20:41,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:41,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:41,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:41,731 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-03-26 06:20:41,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:41,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:41,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:41,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:20:41,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:41,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:41,735 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 06:20:41,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:41,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:41,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:41,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:41,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:41,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:41,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:41,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:41,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:41,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:41,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:41,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:41,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:41,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:41,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:41,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:41,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:41,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:41,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:41,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:41,749 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:20:41,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:20:41,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 6 [2021-03-26 06:20:41,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897209776] [2021-03-26 06:20:41,751 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 06:20:41,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:20:41,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 06:20:41,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-26 06:20:41,751 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 74 [2021-03-26 06:20:41,752 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 341 transitions, 5242 flow. Second operand has 6 states, 6 states have (on average 17.5) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:41,752 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:20:41,752 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 74 [2021-03-26 06:20:41,752 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:20:42,539 INFO L129 PetriNetUnfolder]: 1800/3466 cut-off events. [2021-03-26 06:20:42,539 INFO L130 PetriNetUnfolder]: For 71127/71145 co-relation queries the response was YES. [2021-03-26 06:20:42,557 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26281 conditions, 3466 events. 1800/3466 cut-off events. For 71127/71145 co-relation queries the response was YES. Maximal size of possible extension queue 345. Compared 25767 event pairs, 83 based on Foata normal form. 85/3549 useless extension candidates. Maximal degree in co-relation 25761. Up to 1109 conditions per place. [2021-03-26 06:20:42,575 INFO L132 encePairwiseOnDemand]: 34/74 looper letters, 387 selfloop transitions, 246 changer transitions 11/650 dead transitions. [2021-03-26 06:20:42,576 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 650 transitions, 11232 flow [2021-03-26 06:20:42,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 06:20:42,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 06:20:42,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 180 transitions. [2021-03-26 06:20:42,577 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40540540540540543 [2021-03-26 06:20:42,577 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 180 transitions. [2021-03-26 06:20:42,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 180 transitions. [2021-03-26 06:20:42,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:20:42,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 180 transitions. [2021-03-26 06:20:42,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 30.0) internal successors, (180), 6 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 06:20:42,578 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 74.0) internal successors, (518), 7 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:42,579 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 74.0) internal successors, (518), 7 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:42,579 INFO L185 Difference]: Start difference. First operand has 139 places, 341 transitions, 5242 flow. Second operand 6 states and 180 transitions. [2021-03-26 06:20:42,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 650 transitions, 11232 flow [2021-03-26 06:20:42,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 650 transitions, 11137 flow, removed 38 selfloop flow, removed 2 redundant places. [2021-03-26 06:20:42,745 INFO L241 Difference]: Finished difference. Result has 146 places, 484 transitions, 8543 flow [2021-03-26 06:20:42,746 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=74, PETRI_DIFFERENCE_MINUEND_FLOW=5170, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=101, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=8543, PETRI_PLACES=146, PETRI_TRANSITIONS=484} [2021-03-26 06:20:42,746 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 123 predicate places. [2021-03-26 06:20:42,746 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:20:42,746 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 146 places, 484 transitions, 8543 flow [2021-03-26 06:20:42,746 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 146 places, 484 transitions, 8543 flow [2021-03-26 06:20:42,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 146 places, 484 transitions, 8543 flow [2021-03-26 06:20:42,806 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([101] L23-1-->L23-1: Formula: (and (= (+ v_i_16 1) v_i_15) (< v_i_16 v_N_19) (= v_asum_11 (+ v_asum_12 (select v_A_15 v_i_16)))) InVars {A=v_A_15, N=v_N_19, i=v_i_16, asum=v_asum_12} OutVars{A=v_A_15, N=v_N_19, i=v_i_15, asum=v_asum_11} AuxVars[] AssignedVars[i, asum][306], [Black: 496#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 489#(and (< 0 N) (= csum (+ asum (select A 0) 1)) (= i 0) (<= N 1) (= asum 0)), 7#thread2EXITtrue, 905#true, 10#L63true, 13#L46true, Black: 100#(and (< 0 N) (= l 0) (= k 0) (<= i 1) (= csum 0) (= asum (select A 0))), Black: 133#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 120#(and (= (+ asum 1) (select C 0)) (< 0 N) (= l 0) (<= N 1) (= csum 0)), 147#true, 662#true, 23#L23-1true, Black: 256#(and (< 0 N) (= csum (+ asum 1)) (<= i 1)), Black: 277#(and (= k i) (= l i) (= i asum) (= i 0) (< csum (+ N asum 1)) (= i csum)), Black: 283#(and (or (<= (+ N asum) csum) (<= (+ k asum) csum)) (= csum (+ asum 1)) (<= i 1) (< csum (+ N asum 1))), Black: 285#(and (< 0 N) (= csum (+ asum 1)) (<= N 1) (<= i 1)), Black: 1040#(and (< 0 N) (<= l 1) (= i 0) (= (+ (select A 0) 1) csum) (= asum 0)), Black: 1048#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 1065#(and (< 0 N) (<= l 1) (= i 0) (<= N 1) (= (+ (select A 0) 1) csum) (= asum 0)), Black: 41#(and (= l 0) (<= 0 N) (or (= (+ N asum) csum) (not (= (+ N asum) 0))) (= asum 0)), 303#true, Black: 384#(<= N i), 51#(<= (+ l 1) N), Black: 433#(and (<= N i) (<= l i)), Black: 383#(<= l i), Black: 48#true, Black: 770#(<= k i), Black: 821#(and (<= N (+ i 1)) (<= k (+ i 1))), Black: 50#(= i l), Black: 780#(<= k (+ i 1)), Black: 815#(and (<= N i) (<= k i)), 59#true, Black: 964#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), Black: 69#(= p l), Black: 941#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), 456#true, 592#(and (<= (+ l 1) i) (< l N)), Black: 74#(and (= l i) (= l k)), Black: 76#(<= (+ i 1) N), Black: 205#(and (= l 0) (<= i (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), Black: 191#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 83#true, Black: 207#(and (= l 0) (<= i (+ l 1)) (<= N (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), Black: 720#(and (= l i) (= (+ (select A i) 1) (select C i)) (= i asum) (= i 0) (<= (+ k asum (select A i)) (+ (select C l) i)) (= (+ i 1) p) (= i csum) (< i N)), Black: 722#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 724#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (<= N (+ csum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 712#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 219#true, Black: 608#(and (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 564#(< l N), Black: 598#(and (<= k i) (<= l i) (< l N)), Black: 600#(and (<= l i) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 602#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 586#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 588#(and (<= l i) (< l N)), Black: 352#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 604#(and (<= (+ k 1) N) (<= (+ k 1) i)), Black: 322#(and (= l i) (= l 0) (= (select C l) (+ (select A l) 1)) (<= k (+ l 1)) (= l asum) (< l N) (= i csum)), Black: 606#(and (<= k i) (< l N)), Black: 590#(and (<= k i) (<= (+ l 1) i) (< l N)), 1008#true, 1140#(and (<= N k) (<= p k) (<= (+ l 1) k)), 760#true, Black: 1138#(and (<= p k) (<= (+ l 1) k)), Black: 1142#(and (<= N k) (<= p k) (<= l k)), Black: 1135#(and (<= p k) (<= l k)), 382#(<= (+ l 1) i)]) [2021-03-26 06:20:42,806 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 06:20:42,807 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 06:20:42,807 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 06:20:42,807 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 06:20:43,088 INFO L129 PetriNetUnfolder]: 1307/2780 cut-off events. [2021-03-26 06:20:43,088 INFO L130 PetriNetUnfolder]: For 70835/71682 co-relation queries the response was YES. [2021-03-26 06:20:43,101 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22105 conditions, 2780 events. 1307/2780 cut-off events. For 70835/71682 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 22257 event pairs, 116 based on Foata normal form. 108/2829 useless extension candidates. Maximal degree in co-relation 21714. Up to 796 conditions per place. [2021-03-26 06:20:43,125 INFO L142 LiptonReduction]: Number of co-enabled transitions 1736 [2021-03-26 06:20:43,274 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 06:20:43,274 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 06:20:43,274 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 528 [2021-03-26 06:20:43,275 INFO L480 AbstractCegarLoop]: Abstraction has has 145 places, 483 transitions, 8546 flow [2021-03-26 06:20:43,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:43,275 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:20:43,275 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:20:43,478 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-03-26 06:20:43,478 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:20:43,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:20:43,478 INFO L82 PathProgramCache]: Analyzing trace with hash -448397190, now seen corresponding path program 1 times [2021-03-26 06:20:43,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:20:43,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522704089] [2021-03-26 06:20:43,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:20:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:20:43,496 INFO L142 QuantifierPusher]: treesize reduction 8, result has 66.7 percent of original size [2021-03-26 06:20:43,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:43,506 INFO L142 QuantifierPusher]: treesize reduction 8, result has 75.8 percent of original size [2021-03-26 06:20:43,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:43,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:20:43,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:20:43,531 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-26 06:20:43,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:43,540 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 06:20:43,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522704089] [2021-03-26 06:20:43,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [161013748] [2021-03-26 06:20:43,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 06:20:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:20:43,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 06:20:43,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:20:43,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:43,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:43,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:43,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:43,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:43,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:43,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:43,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:43,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:43,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:43,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:43,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:43,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:43,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:43,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 06:20:43,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:43,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:43,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 06:20:43,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:43,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:43,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 06:20:43,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-03-26 06:20:43,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:43,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:43,603 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:20:43,613 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:43,614 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:20:43,614 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:30 [2021-03-26 06:20:43,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:43,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:43,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:43,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:43,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:43,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:43,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:43,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:43,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:43,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:43,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,640 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size 31 [2021-03-26 06:20:43,640 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-26 06:20:43,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:43,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:20:43,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 06:20:43,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:43,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:20:43,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 06:20:43,648 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 17 treesize of output 13 [2021-03-26 06:20:43,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:20:43,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:20:43,649 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:20:43,657 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,658 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size [2021-03-26 06:20:43,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 06:20:43,658 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:20:43,658 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:23 [2021-03-26 06:20:43,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 06:20:43,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 06:20:43,676 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-03-26 06:20:43,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 06:20:43,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:43,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:43,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 06:20:43,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 06:20:43,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 06:20:43,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 06:20:43,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:43,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:20:43,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:43,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:43,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:20:43,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:43,704 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 13 treesize of output 9 [2021-03-26 06:20:43,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:43,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:43,705 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:20:43,710 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:43,711 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:20:43,711 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:12 [2021-03-26 06:20:43,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:43,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:43,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:43,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:43,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:43,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:43,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:43,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:43,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:43,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:43,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:43,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:43,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:43,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:43,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:43,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:43,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:43,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:43,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:43,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:43,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:43,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:43,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:43,742 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 06:20:43,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:20:43,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 06:20:43,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533423853] [2021-03-26 06:20:43,742 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:20:43,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:20:43,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:20:43,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:20:43,745 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 76 [2021-03-26 06:20:43,745 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 483 transitions, 8546 flow. Second operand has 11 states, 11 states have (on average 15.545454545454545) internal successors, (171), 11 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 06:20:43,745 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:20:43,745 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 76 [2021-03-26 06:20:43,745 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:20:44,665 INFO L129 PetriNetUnfolder]: 1793/3456 cut-off events. [2021-03-26 06:20:44,666 INFO L130 PetriNetUnfolder]: For 86937/86954 co-relation queries the response was YES. [2021-03-26 06:20:44,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29444 conditions, 3456 events. 1793/3456 cut-off events. For 86937/86954 co-relation queries the response was YES. Maximal size of possible extension queue 341. Compared 25463 event pairs, 333 based on Foata normal form. 16/3472 useless extension candidates. Maximal degree in co-relation 29086. Up to 2899 conditions per place. [2021-03-26 06:20:44,697 INFO L132 encePairwiseOnDemand]: 66/76 looper letters, 488 selfloop transitions, 28 changer transitions 5/527 dead transitions. [2021-03-26 06:20:44,697 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 527 transitions, 10204 flow [2021-03-26 06:20:44,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 06:20:44,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 06:20:44,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 179 transitions. [2021-03-26 06:20:44,702 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33646616541353386 [2021-03-26 06:20:44,702 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 179 transitions. [2021-03-26 06:20:44,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 179 transitions. [2021-03-26 06:20:44,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:20:44,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 179 transitions. [2021-03-26 06:20:44,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:44,704 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 76.0) internal successors, (608), 8 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:44,704 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 76.0) internal successors, (608), 8 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:44,704 INFO L185 Difference]: Start difference. First operand has 145 places, 483 transitions, 8546 flow. Second operand 7 states and 179 transitions. [2021-03-26 06:20:44,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 527 transitions, 10204 flow [2021-03-26 06:20:44,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 527 transitions, 10119 flow, removed 42 selfloop flow, removed 2 redundant places. [2021-03-26 06:20:44,891 INFO L241 Difference]: Finished difference. Result has 152 places, 494 transitions, 8769 flow [2021-03-26 06:20:44,891 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=8465, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=483, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=455, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=8769, PETRI_PLACES=152, PETRI_TRANSITIONS=494} [2021-03-26 06:20:44,891 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 129 predicate places. [2021-03-26 06:20:44,891 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:20:44,891 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 494 transitions, 8769 flow [2021-03-26 06:20:44,891 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 494 transitions, 8769 flow [2021-03-26 06:20:44,896 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 152 places, 494 transitions, 8769 flow [2021-03-26 06:20:45,243 INFO L129 PetriNetUnfolder]: 1298/2743 cut-off events. [2021-03-26 06:20:45,243 INFO L130 PetriNetUnfolder]: For 65340/66270 co-relation queries the response was YES. [2021-03-26 06:20:45,260 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21563 conditions, 2743 events. 1298/2743 cut-off events. For 65340/66270 co-relation queries the response was YES. Maximal size of possible extension queue 326. Compared 21813 event pairs, 106 based on Foata normal form. 114/2793 useless extension candidates. Maximal degree in co-relation 21352. Up to 776 conditions per place. [2021-03-26 06:20:45,286 INFO L142 LiptonReduction]: Number of co-enabled transitions 1750 [2021-03-26 06:20:45,316 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:20:45,316 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:20:45,316 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 425 [2021-03-26 06:20:45,317 INFO L480 AbstractCegarLoop]: Abstraction has has 152 places, 494 transitions, 8769 flow [2021-03-26 06:20:45,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 15.545454545454545) internal successors, (171), 11 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 06:20:45,317 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:20:45,317 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:20:45,517 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-03-26 06:20:45,518 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:20:45,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:20:45,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1056682009, now seen corresponding path program 1 times [2021-03-26 06:20:45,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:20:45,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555234497] [2021-03-26 06:20:45,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:20:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:20:45,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:45,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:45,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:45,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:45,542 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 06:20:45,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555234497] [2021-03-26 06:20:45,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136357312] [2021-03-26 06:20:45,542 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 06:20:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:20:45,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-26 06:20:45,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:20:45,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:45,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:45,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:45,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:45,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:45,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:45,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:45,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:45,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:45,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:45,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:45,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:45,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:45,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:45,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:45,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:45,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:45,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:45,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:45,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:45,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:45,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:45,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:45,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:45,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:45,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:45,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:45,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:45,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:45,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:45,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:45,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:45,600 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-03-26 06:20:45,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:45,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:45,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:45,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:45,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:45,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:45,604 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-26 06:20:45,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:45,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:45,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:45,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:45,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:45,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:45,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:45,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:45,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:45,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:45,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:45,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:45,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:45,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:45,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:45,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:45,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:45,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:45,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:45,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:45,611 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 06:20:45,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:20:45,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-03-26 06:20:45,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335775133] [2021-03-26 06:20:45,612 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 06:20:45,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:20:45,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 06:20:45,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 06:20:45,612 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 76 [2021-03-26 06:20:45,612 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 494 transitions, 8769 flow. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 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 06:20:45,612 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:20:45,613 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 76 [2021-03-26 06:20:45,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:20:46,590 INFO L129 PetriNetUnfolder]: 2190/4268 cut-off events. [2021-03-26 06:20:46,591 INFO L130 PetriNetUnfolder]: For 101498/101515 co-relation queries the response was YES. [2021-03-26 06:20:46,619 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35641 conditions, 4268 events. 2190/4268 cut-off events. For 101498/101515 co-relation queries the response was YES. Maximal size of possible extension queue 393. Compared 32873 event pairs, 136 based on Foata normal form. 14/4282 useless extension candidates. Maximal degree in co-relation 35426. Up to 1200 conditions per place. [2021-03-26 06:20:46,638 INFO L132 encePairwiseOnDemand]: 30/76 looper letters, 413 selfloop transitions, 289 changer transitions 3/711 dead transitions. [2021-03-26 06:20:46,638 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 711 transitions, 14116 flow [2021-03-26 06:20:46,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 06:20:46,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 06:20:46,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 227 transitions. [2021-03-26 06:20:46,639 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.37335526315789475 [2021-03-26 06:20:46,640 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 227 transitions. [2021-03-26 06:20:46,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 227 transitions. [2021-03-26 06:20:46,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:20:46,640 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 227 transitions. [2021-03-26 06:20:46,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 28.375) internal successors, (227), 8 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 06:20:46,641 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 76.0) internal successors, (684), 9 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 06:20:46,641 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 76.0) internal successors, (684), 9 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 06:20:46,641 INFO L185 Difference]: Start difference. First operand has 152 places, 494 transitions, 8769 flow. Second operand 8 states and 227 transitions. [2021-03-26 06:20:46,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 711 transitions, 14116 flow [2021-03-26 06:20:46,900 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 711 transitions, 14018 flow, removed 32 selfloop flow, removed 3 redundant places. [2021-03-26 06:20:46,911 INFO L241 Difference]: Finished difference. Result has 159 places, 552 transitions, 10798 flow [2021-03-26 06:20:46,912 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=8660, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=492, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=244, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=10798, PETRI_PLACES=159, PETRI_TRANSITIONS=552} [2021-03-26 06:20:46,912 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 136 predicate places. [2021-03-26 06:20:46,912 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:20:46,912 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 159 places, 552 transitions, 10798 flow [2021-03-26 06:20:46,912 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 159 places, 552 transitions, 10798 flow [2021-03-26 06:20:46,918 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 158 places, 552 transitions, 10798 flow [2021-03-26 06:20:46,992 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([101] L23-1-->L23-1: Formula: (and (= (+ v_i_16 1) v_i_15) (< v_i_16 v_N_19) (= v_asum_11 (+ v_asum_12 (select v_A_15 v_i_16)))) InVars {A=v_A_15, N=v_N_19, i=v_i_16, asum=v_asum_12} OutVars{A=v_A_15, N=v_N_19, i=v_i_15, asum=v_asum_11} AuxVars[] AssignedVars[i, asum][387], [Black: 496#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 489#(and (< 0 N) (= csum (+ asum (select A 0) 1)) (= i 0) (<= N 1) (= asum 0)), 7#thread2EXITtrue, 905#true, 10#L63true, 13#L46true, Black: 100#(and (< 0 N) (= l 0) (= k 0) (<= i 1) (= csum 0) (= asum (select A 0))), Black: 133#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 120#(and (= (+ asum 1) (select C 0)) (< 0 N) (= l 0) (<= N 1) (= csum 0)), 147#true, 662#true, 23#L23-1true, Black: 256#(and (< 0 N) (= csum (+ asum 1)) (<= i 1)), Black: 277#(and (= k i) (= l i) (= i asum) (= i 0) (< csum (+ N asum 1)) (= i csum)), Black: 283#(and (or (<= (+ N asum) csum) (<= (+ k asum) csum)) (= csum (+ asum 1)) (<= i 1) (< csum (+ N asum 1))), Black: 285#(and (< 0 N) (= csum (+ asum 1)) (<= N 1) (<= i 1)), Black: 1040#(and (< 0 N) (<= l 1) (= i 0) (= (+ (select A 0) 1) csum) (= asum 0)), Black: 1065#(and (< 0 N) (<= l 1) (= i 0) (<= N 1) (= (+ (select A 0) 1) csum) (= asum 0)), Black: 41#(and (= l 0) (<= 0 N) (or (= (+ N asum) csum) (not (= (+ N asum) 0))) (= asum 0)), 303#true, Black: 384#(<= N i), 51#(<= (+ l 1) N), Black: 433#(and (<= N i) (<= l i)), Black: 1186#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 383#(<= l i), Black: 1203#(and (= i asum) (= i 0) (<= N (+ i 1)) (<= k (+ i 1)) (= (+ asum (select A i) 1) csum) (< i N)), Black: 770#(<= k i), Black: 1178#(and (= i asum) (= i 0) (<= k (+ i 1)) (= (+ asum (select A i) 1) csum) (< i N)), Black: 48#true, Black: 50#(= i l), Black: 821#(and (<= N (+ i 1)) (<= k (+ i 1))), Black: 780#(<= k (+ i 1)), Black: 815#(and (<= N i) (<= k i)), 59#true, 1216#(<= l i), Black: 964#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), Black: 69#(= p l), Black: 941#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), 456#true, 592#(and (<= (+ l 1) i) (< l N)), Black: 74#(and (= l i) (= l k)), Black: 205#(and (= l 0) (<= i (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), Black: 76#(<= (+ i 1) N), Black: 191#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 83#true, Black: 207#(and (= l 0) (<= i (+ l 1)) (<= N (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), Black: 720#(and (= l i) (= (+ (select A i) 1) (select C i)) (= i asum) (= i 0) (<= (+ k asum (select A i)) (+ (select C l) i)) (= (+ i 1) p) (= i csum) (< i N)), Black: 722#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 724#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (<= N (+ csum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 712#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 219#true, Black: 608#(and (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 564#(< l N), Black: 598#(and (<= k i) (<= l i) (< l N)), Black: 600#(and (<= l i) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 602#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 586#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 588#(and (<= l i) (< l N)), Black: 604#(and (<= (+ k 1) N) (<= (+ k 1) i)), Black: 352#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 322#(and (= l i) (= l 0) (= (select C l) (+ (select A l) 1)) (<= k (+ l 1)) (= l asum) (< l N) (= i csum)), Black: 606#(and (<= k i) (< l N)), Black: 590#(and (<= k i) (<= (+ l 1) i) (< l N)), Black: 1211#(<= l (+ i 1)), Black: 1259#(and (<= l (+ i 1)) (<= N (+ i 1))), 1008#true, 1140#(and (<= N k) (<= p k) (<= (+ l 1) k)), 760#true, Black: 1138#(and (<= p k) (<= (+ l 1) k)), Black: 1142#(and (<= N k) (<= p k) (<= l k)), Black: 1135#(and (<= p k) (<= l k)), 382#(<= (+ l 1) i)]) [2021-03-26 06:20:46,992 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 06:20:46,992 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 06:20:46,992 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 06:20:46,992 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 06:20:47,382 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([98] L34-1-->L34-1: Formula: (and (= v_k_18 v_p_9) (< v_k_19 v_N_13) (= (+ v_k_19 1) v_k_18) (= v_C_14 (store v_C_15 v_k_19 (+ (select v_A_9 v_k_19) 1)))) InVars {A=v_A_9, N=v_N_13, k=v_k_19, C=v_C_15} OutVars{A=v_A_9, p=v_p_9, N=v_N_13, k=v_k_18, C=v_C_14} AuxVars[] AssignedVars[p, k, C][452], [Black: 496#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 489#(and (< 0 N) (= csum (+ asum (select A 0) 1)) (= i 0) (<= N 1) (= asum 0)), 8#thread1EXITtrue, 905#true, 10#L63true, Black: 100#(and (< 0 N) (= l 0) (= k 0) (<= i 1) (= csum 0) (= asum (select A 0))), Black: 133#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 120#(and (= (+ asum 1) (select C 0)) (< 0 N) (= l 0) (<= N 1) (= csum 0)), 17#L34-1true, 147#true, 662#true, 24#L47true, Black: 256#(and (< 0 N) (= csum (+ asum 1)) (<= i 1)), Black: 277#(and (= k i) (= l i) (= i asum) (= i 0) (< csum (+ N asum 1)) (= i csum)), Black: 283#(and (or (<= (+ N asum) csum) (<= (+ k asum) csum)) (= csum (+ asum 1)) (<= i 1) (< csum (+ N asum 1))), Black: 285#(and (< 0 N) (= csum (+ asum 1)) (<= N 1) (<= i 1)), Black: 1040#(and (< 0 N) (<= l 1) (= i 0) (= (+ (select A 0) 1) csum) (= asum 0)), Black: 1065#(and (< 0 N) (<= l 1) (= i 0) (<= N 1) (= (+ (select A 0) 1) csum) (= asum 0)), Black: 41#(and (= l 0) (<= 0 N) (or (= (+ N asum) csum) (not (= (+ N asum) 0))) (= asum 0)), 815#(and (<= N i) (<= k i)), 431#(and (<= N i) (<= (+ l 1) i)), 303#true, 51#(<= (+ l 1) N), Black: 384#(<= N i), Black: 433#(and (<= N i) (<= l i)), Black: 1186#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 382#(<= (+ l 1) i), Black: 383#(<= l i), Black: 1203#(and (= i asum) (= i 0) (<= N (+ i 1)) (<= k (+ i 1)) (= (+ asum (select A i) 1) csum) (< i N)), Black: 770#(<= k i), Black: 1178#(and (= i asum) (= i 0) (<= k (+ i 1)) (= (+ asum (select A i) 1) csum) (< i N)), Black: 48#true, Black: 821#(and (<= N (+ i 1)) (<= k (+ i 1))), Black: 50#(= i l), Black: 780#(<= k (+ i 1)), 62#(<= N i), Black: 964#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), Black: 69#(= p l), Black: 941#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), 456#true, 590#(and (<= k i) (<= (+ l 1) i) (< l N)), Black: 74#(and (= l i) (= l k)), Black: 205#(and (= l 0) (<= i (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), Black: 76#(<= (+ i 1) N), Black: 191#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 207#(and (= l 0) (<= i (+ l 1)) (<= N (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), 83#true, Black: 720#(and (= l i) (= (+ (select A i) 1) (select C i)) (= i asum) (= i 0) (<= (+ k asum (select A i)) (+ (select C l) i)) (= (+ i 1) p) (= i csum) (< i N)), Black: 722#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 724#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (<= N (+ csum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 712#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 219#true, Black: 608#(and (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 592#(and (<= (+ l 1) i) (< l N)), Black: 564#(< l N), Black: 598#(and (<= k i) (<= l i) (< l N)), Black: 600#(and (<= l i) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 602#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 586#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), 1257#(and (<= l i) (<= N (+ i 1))), Black: 588#(and (<= l i) (< l N)), Black: 604#(and (<= (+ k 1) N) (<= (+ k 1) i)), Black: 352#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 606#(and (<= k i) (< l N)), Black: 322#(and (= l i) (= l 0) (= (select C l) (+ (select A l) 1)) (<= k (+ l 1)) (= l asum) (< l N) (= i csum)), Black: 1216#(<= l i), Black: 1211#(<= l (+ i 1)), Black: 1259#(and (<= l (+ i 1)) (<= N (+ i 1))), 1008#true, 1138#(and (<= p k) (<= (+ l 1) k)), Black: 1140#(and (<= N k) (<= p k) (<= (+ l 1) k)), Black: 1142#(and (<= N k) (<= p k) (<= l k)), Black: 1135#(and (<= p k) (<= l k))]) [2021-03-26 06:20:47,382 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-03-26 06:20:47,382 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 06:20:47,382 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 06:20:47,382 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-26 06:20:47,382 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([86] L47-->L46-1: Formula: (and (= (+ (select v_C_8 v_l_10) v_csum_6) v_csum_5) (= (+ v_l_10 1) v_l_9)) InVars {csum=v_csum_6, l=v_l_10, C=v_C_8} OutVars{csum=v_csum_5, l=v_l_9, C=v_C_8} AuxVars[] AssignedVars[csum, l][178], [Black: 496#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 489#(and (< 0 N) (= csum (+ asum (select A 0) 1)) (= i 0) (<= N 1) (= asum 0)), 8#thread1EXITtrue, 905#true, 10#L63true, 15#L46-1true, Black: 100#(and (< 0 N) (= l 0) (= k 0) (<= i 1) (= csum 0) (= asum (select A 0))), Black: 133#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 120#(and (= (+ asum 1) (select C 0)) (< 0 N) (= l 0) (<= N 1) (= csum 0)), 17#L34-1true, 147#true, 662#true, Black: 256#(and (< 0 N) (= csum (+ asum 1)) (<= i 1)), Black: 277#(and (= k i) (= l i) (= i asum) (= i 0) (< csum (+ N asum 1)) (= i csum)), Black: 283#(and (or (<= (+ N asum) csum) (<= (+ k asum) csum)) (= csum (+ asum 1)) (<= i 1) (< csum (+ N asum 1))), Black: 285#(and (< 0 N) (= csum (+ asum 1)) (<= N 1) (<= i 1)), Black: 1040#(and (< 0 N) (<= l 1) (= i 0) (= (+ (select A 0) 1) csum) (= asum 0)), Black: 1065#(and (< 0 N) (<= l 1) (= i 0) (<= N 1) (= (+ (select A 0) 1) csum) (= asum 0)), Black: 41#(and (= l 0) (<= 0 N) (or (= (+ N asum) csum) (not (= (+ N asum) 0))) (= asum 0)), 815#(and (<= N i) (<= k i)), 303#true, 48#true, 433#(and (<= N i) (<= l i)), Black: 384#(<= N i), Black: 1186#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 382#(<= (+ l 1) i), Black: 383#(<= l i), Black: 1203#(and (= i asum) (= i 0) (<= N (+ i 1)) (<= k (+ i 1)) (= (+ asum (select A i) 1) csum) (< i N)), Black: 770#(<= k i), Black: 1178#(and (= i asum) (= i 0) (<= k (+ i 1)) (= (+ asum (select A i) 1) csum) (< i N)), Black: 821#(and (<= N (+ i 1)) (<= k (+ i 1))), Black: 50#(= i l), Black: 780#(<= k (+ i 1)), Black: 51#(<= (+ l 1) N), 62#(<= N i), Black: 964#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), Black: 941#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), Black: 69#(= p l), 456#true, Black: 74#(and (= l i) (= l k)), Black: 205#(and (= l 0) (<= i (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), Black: 76#(<= (+ i 1) N), Black: 191#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 83#true, Black: 207#(and (= l 0) (<= i (+ l 1)) (<= N (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), Black: 720#(and (= l i) (= (+ (select A i) 1) (select C i)) (= i asum) (= i 0) (<= (+ k asum (select A i)) (+ (select C l) i)) (= (+ i 1) p) (= i csum) (< i N)), Black: 722#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), 600#(and (<= l i) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 724#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (<= N (+ csum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 712#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 219#true, Black: 608#(and (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 592#(and (<= (+ l 1) i) (< l N)), Black: 564#(< l N), Black: 598#(and (<= k i) (<= l i) (< l N)), Black: 602#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 586#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 588#(and (<= l i) (< l N)), Black: 604#(and (<= (+ k 1) N) (<= (+ k 1) i)), Black: 352#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 1259#(and (<= l (+ i 1)) (<= N (+ i 1))), Black: 606#(and (<= k i) (< l N)), Black: 322#(and (= l i) (= l 0) (= (select C l) (+ (select A l) 1)) (<= k (+ l 1)) (= l asum) (< l N) (= i csum)), Black: 590#(and (<= k i) (<= (+ l 1) i) (< l N)), Black: 1216#(<= l i), Black: 1211#(<= l (+ i 1)), 1135#(and (<= p k) (<= l k)), 1008#true, Black: 1138#(and (<= p k) (<= (+ l 1) k)), Black: 1140#(and (<= N k) (<= p k) (<= (+ l 1) k)), Black: 1142#(and (<= N k) (<= p k) (<= l k))]) [2021-03-26 06:20:47,382 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-03-26 06:20:47,382 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 06:20:47,382 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 06:20:47,382 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-26 06:20:47,413 INFO L129 PetriNetUnfolder]: 1642/3431 cut-off events. [2021-03-26 06:20:47,413 INFO L130 PetriNetUnfolder]: For 93679/94847 co-relation queries the response was YES. [2021-03-26 06:20:47,435 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28863 conditions, 3431 events. 1642/3431 cut-off events. For 93679/94847 co-relation queries the response was YES. Maximal size of possible extension queue 390. Compared 28140 event pairs, 139 based on Foata normal form. 135/3474 useless extension candidates. Maximal degree in co-relation 28767. Up to 995 conditions per place. [2021-03-26 06:20:47,466 INFO L142 LiptonReduction]: Number of co-enabled transitions 1912 [2021-03-26 06:20:47,505 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:20:47,505 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:20:47,506 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 594 [2021-03-26 06:20:47,507 INFO L480 AbstractCegarLoop]: Abstraction has has 158 places, 552 transitions, 10798 flow [2021-03-26 06:20:47,507 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 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 06:20:47,507 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:20:47,508 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:20:47,711 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:20:47,711 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:20:47,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:20:47,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1262216118, now seen corresponding path program 2 times [2021-03-26 06:20:47,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:20:47,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214670007] [2021-03-26 06:20:47,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:20:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:20:47,742 INFO L142 QuantifierPusher]: treesize reduction 8, result has 66.7 percent of original size [2021-03-26 06:20:47,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:47,751 INFO L142 QuantifierPusher]: treesize reduction 8, result has 75.8 percent of original size [2021-03-26 06:20:47,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 06:20:47,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:20:47,768 INFO L142 QuantifierPusher]: treesize reduction 13, result has 58.1 percent of original size [2021-03-26 06:20:47,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 06:20:47,780 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-26 06:20:47,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:47,787 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 06:20:47,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214670007] [2021-03-26 06:20:47,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927430785] [2021-03-26 06:20:47,787 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 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 06:20:47,806 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:20:47,806 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:20:47,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 06:20:47,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:20:47,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:47,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:47,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:47,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:47,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:47,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:47,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:47,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:47,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:47,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:47,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:47,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:20:47,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:47,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:47,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 06:20:47,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:47,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:47,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 06:20:47,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:47,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:47,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 06:20:47,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-03-26 06:20:47,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:47,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:47,833 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:20:47,849 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:47,852 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:20:47,852 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:30 [2021-03-26 06:20:47,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:47,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:47,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:47,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:47,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:47,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:47,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:47,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:47,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:47,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 06:20:47,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 06:20:47,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:47,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:20:47,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:47,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:47,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:20:47,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 06:20:47,878 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 15 treesize of output 11 [2021-03-26 06:20:47,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:47,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:47,880 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:20:47,885 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:47,886 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:20:47,886 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:20 [2021-03-26 06:20:47,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:47,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 06:20:47,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,900 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-03-26 06:20:47,900 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-26 06:20:47,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:47,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:20:47,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:47,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:47,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:20:47,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 06:20:47,905 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 13 treesize of output 9 [2021-03-26 06:20:47,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:47,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:47,906 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 06:20:47,912 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:47,912 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 06:20:47,912 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:12 [2021-03-26 06:20:47,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:47,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:47,924 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-03-26 06:20:47,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:20:47,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:47,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:47,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 06:20:47,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:47,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:47,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:47,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:47,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:47,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:47,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:47,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:47,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:47,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:47,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:47,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:47,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:47,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:47,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:47,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:47,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:47,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:47,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:47,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:47,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:47,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:47,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:47,950 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 06:20:47,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:20:47,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 06:20:47,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48000819] [2021-03-26 06:20:47,951 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 06:20:47,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:20:47,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 06:20:47,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-03-26 06:20:47,952 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 76 [2021-03-26 06:20:47,952 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 552 transitions, 10798 flow. Second operand has 11 states, 11 states have (on average 15.545454545454545) internal successors, (171), 11 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 06:20:47,952 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:20:47,952 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 76 [2021-03-26 06:20:47,952 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:20:49,044 INFO L129 PetriNetUnfolder]: 2242/4292 cut-off events. [2021-03-26 06:20:49,044 INFO L130 PetriNetUnfolder]: For 115009/115035 co-relation queries the response was YES. [2021-03-26 06:20:49,067 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38478 conditions, 4292 events. 2242/4292 cut-off events. For 115009/115035 co-relation queries the response was YES. Maximal size of possible extension queue 397. Compared 32542 event pairs, 391 based on Foata normal form. 25/4317 useless extension candidates. Maximal degree in co-relation 38356. Up to 3509 conditions per place. [2021-03-26 06:20:49,086 INFO L132 encePairwiseOnDemand]: 64/76 looper letters, 558 selfloop transitions, 51 changer transitions 10/625 dead transitions. [2021-03-26 06:20:49,086 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 625 transitions, 13342 flow [2021-03-26 06:20:49,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 06:20:49,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 06:20:49,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 179 transitions. [2021-03-26 06:20:49,087 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33646616541353386 [2021-03-26 06:20:49,087 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 179 transitions. [2021-03-26 06:20:49,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 179 transitions. [2021-03-26 06:20:49,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:20:49,088 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 179 transitions. [2021-03-26 06:20:49,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:49,088 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 76.0) internal successors, (608), 8 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:49,088 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 76.0) internal successors, (608), 8 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:49,088 INFO L185 Difference]: Start difference. First operand has 158 places, 552 transitions, 10798 flow. Second operand 7 states and 179 transitions. [2021-03-26 06:20:49,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 625 transitions, 13342 flow [2021-03-26 06:20:49,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 625 transitions, 13226 flow, removed 50 selfloop flow, removed 3 redundant places. [2021-03-26 06:20:49,402 INFO L241 Difference]: Finished difference. Result has 163 places, 574 transitions, 11365 flow [2021-03-26 06:20:49,402 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=10698, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=552, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=501, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=11365, PETRI_PLACES=163, PETRI_TRANSITIONS=574} [2021-03-26 06:20:49,402 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 140 predicate places. [2021-03-26 06:20:49,402 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:20:49,402 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 163 places, 574 transitions, 11365 flow [2021-03-26 06:20:49,402 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 163 places, 574 transitions, 11365 flow [2021-03-26 06:20:49,406 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 163 places, 574 transitions, 11365 flow [2021-03-26 06:20:49,815 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([98] L34-1-->L34-1: Formula: (and (= v_k_18 v_p_9) (< v_k_19 v_N_13) (= (+ v_k_19 1) v_k_18) (= v_C_14 (store v_C_15 v_k_19 (+ (select v_A_9 v_k_19) 1)))) InVars {A=v_A_9, N=v_N_13, k=v_k_19, C=v_C_15} OutVars{A=v_A_9, p=v_p_9, N=v_N_13, k=v_k_18, C=v_C_14} AuxVars[] AssignedVars[p, k, C][460], [Black: 496#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 8#thread1EXITtrue, 905#true, 10#L63true, Black: 100#(and (< 0 N) (= l 0) (= k 0) (<= i 1) (= csum 0) (= asum (select A 0))), Black: 133#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 120#(and (= (+ asum 1) (select C 0)) (< 0 N) (= l 0) (<= N 1) (= csum 0)), 17#L34-1true, 147#true, 662#true, 24#L47true, Black: 256#(and (< 0 N) (= csum (+ asum 1)) (<= i 1)), Black: 277#(and (= k i) (= l i) (= i asum) (= i 0) (< csum (+ N asum 1)) (= i csum)), Black: 283#(and (or (<= (+ N asum) csum) (<= (+ k asum) csum)) (= csum (+ asum 1)) (<= i 1) (< csum (+ N asum 1))), Black: 285#(and (< 0 N) (= csum (+ asum 1)) (<= N 1) (<= i 1)), Black: 1297#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), Black: 1320#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), Black: 1040#(and (< 0 N) (<= l 1) (= i 0) (= (+ (select A 0) 1) csum) (= asum 0)), Black: 41#(and (= l 0) (<= 0 N) (or (= (+ N asum) csum) (not (= (+ N asum) 0))) (= asum 0)), 431#(and (<= N i) (<= (+ l 1) i)), 303#true, 815#(and (<= N i) (<= k i)), 51#(<= (+ l 1) N), Black: 384#(<= N i), Black: 433#(and (<= N i) (<= l i)), Black: 1186#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 382#(<= (+ l 1) i), Black: 1203#(and (= i asum) (= i 0) (<= N (+ i 1)) (<= k (+ i 1)) (= (+ asum (select A i) 1) csum) (< i N)), Black: 383#(<= l i), Black: 48#true, Black: 1178#(and (= i asum) (= i 0) (<= k (+ i 1)) (= (+ asum (select A i) 1) csum) (< i N)), Black: 770#(<= k i), Black: 821#(and (<= N (+ i 1)) (<= k (+ i 1))), Black: 50#(= i l), Black: 780#(<= k (+ i 1)), 62#(<= N i), Black: 964#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), Black: 941#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), Black: 69#(= p l), 456#true, 590#(and (<= k i) (<= (+ l 1) i) (< l N)), Black: 74#(and (= l i) (= l k)), Black: 76#(<= (+ i 1) N), Black: 205#(and (= l 0) (<= i (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), Black: 191#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 207#(and (= l 0) (<= i (+ l 1)) (<= N (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), 83#true, Black: 720#(and (= l i) (= (+ (select A i) 1) (select C i)) (= i asum) (= i 0) (<= (+ k asum (select A i)) (+ (select C l) i)) (= (+ i 1) p) (= i csum) (< i N)), Black: 722#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 724#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (<= N (+ csum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 712#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 219#true, Black: 608#(and (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 592#(and (<= (+ l 1) i) (< l N)), Black: 564#(< l N), Black: 598#(and (<= k i) (<= l i) (< l N)), Black: 600#(and (<= l i) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 602#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 586#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), 1257#(and (<= l i) (<= N (+ i 1))), Black: 588#(and (<= l i) (< l N)), Black: 604#(and (<= (+ k 1) N) (<= (+ k 1) i)), Black: 352#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 606#(and (<= k i) (< l N)), Black: 322#(and (= l i) (= l 0) (= (select C l) (+ (select A l) 1)) (<= k (+ l 1)) (= l asum) (< l N) (= i csum)), Black: 1216#(<= l i), Black: 1211#(<= l (+ i 1)), Black: 1259#(and (<= l (+ i 1)) (<= N (+ i 1))), 1264#true, 1008#true, 1138#(and (<= p k) (<= (+ l 1) k)), Black: 1140#(and (<= N k) (<= p k) (<= (+ l 1) k)), Black: 1142#(and (<= N k) (<= p k) (<= l k)), Black: 1135#(and (<= p k) (<= l k))]) [2021-03-26 06:20:49,816 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-03-26 06:20:49,816 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 06:20:49,816 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 06:20:49,816 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-26 06:20:49,816 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([86] L47-->L46-1: Formula: (and (= (+ (select v_C_8 v_l_10) v_csum_6) v_csum_5) (= (+ v_l_10 1) v_l_9)) InVars {csum=v_csum_6, l=v_l_10, C=v_C_8} OutVars{csum=v_csum_5, l=v_l_9, C=v_C_8} AuxVars[] AssignedVars[csum, l][177], [Black: 496#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 8#thread1EXITtrue, 905#true, 10#L63true, Black: 100#(and (< 0 N) (= l 0) (= k 0) (<= i 1) (= csum 0) (= asum (select A 0))), 15#L46-1true, Black: 133#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 120#(and (= (+ asum 1) (select C 0)) (< 0 N) (= l 0) (<= N 1) (= csum 0)), 17#L34-1true, 147#true, 662#true, Black: 256#(and (< 0 N) (= csum (+ asum 1)) (<= i 1)), Black: 277#(and (= k i) (= l i) (= i asum) (= i 0) (< csum (+ N asum 1)) (= i csum)), Black: 283#(and (or (<= (+ N asum) csum) (<= (+ k asum) csum)) (= csum (+ asum 1)) (<= i 1) (< csum (+ N asum 1))), Black: 285#(and (< 0 N) (= csum (+ asum 1)) (<= N 1) (<= i 1)), Black: 1297#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), Black: 1320#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), Black: 1040#(and (< 0 N) (<= l 1) (= i 0) (= (+ (select A 0) 1) csum) (= asum 0)), Black: 41#(and (= l 0) (<= 0 N) (or (= (+ N asum) csum) (not (= (+ N asum) 0))) (= asum 0)), 303#true, 815#(and (<= N i) (<= k i)), 48#true, 433#(and (<= N i) (<= l i)), Black: 384#(<= N i), Black: 1186#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 382#(<= (+ l 1) i), Black: 1203#(and (= i asum) (= i 0) (<= N (+ i 1)) (<= k (+ i 1)) (= (+ asum (select A i) 1) csum) (< i N)), Black: 383#(<= l i), Black: 1178#(and (= i asum) (= i 0) (<= k (+ i 1)) (= (+ asum (select A i) 1) csum) (< i N)), Black: 770#(<= k i), Black: 821#(and (<= N (+ i 1)) (<= k (+ i 1))), Black: 50#(= i l), Black: 780#(<= k (+ i 1)), Black: 51#(<= (+ l 1) N), 62#(<= N i), Black: 964#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), Black: 941#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), Black: 69#(= p l), 456#true, Black: 74#(and (= l i) (= l k)), Black: 205#(and (= l 0) (<= i (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), Black: 76#(<= (+ i 1) N), Black: 191#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 207#(and (= l 0) (<= i (+ l 1)) (<= N (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), 83#true, Black: 720#(and (= l i) (= (+ (select A i) 1) (select C i)) (= i asum) (= i 0) (<= (+ k asum (select A i)) (+ (select C l) i)) (= (+ i 1) p) (= i csum) (< i N)), Black: 722#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 724#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (<= N (+ csum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), 600#(and (<= l i) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 712#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 219#true, Black: 608#(and (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 592#(and (<= (+ l 1) i) (< l N)), Black: 564#(< l N), Black: 598#(and (<= k i) (<= l i) (< l N)), Black: 602#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 586#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 588#(and (<= l i) (< l N)), Black: 604#(and (<= (+ k 1) N) (<= (+ k 1) i)), Black: 352#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 606#(and (<= k i) (< l N)), Black: 322#(and (= l i) (= l 0) (= (select C l) (+ (select A l) 1)) (<= k (+ l 1)) (= l asum) (< l N) (= i csum)), 1259#(and (<= l (+ i 1)) (<= N (+ i 1))), Black: 590#(and (<= k i) (<= (+ l 1) i) (< l N)), Black: 1216#(<= l i), Black: 1211#(<= l (+ i 1)), 1135#(and (<= p k) (<= l k)), 1264#true, 1008#true, Black: 1138#(and (<= p k) (<= (+ l 1) k)), Black: 1140#(and (<= N k) (<= p k) (<= (+ l 1) k)), Black: 1142#(and (<= N k) (<= p k) (<= l k))]) [2021-03-26 06:20:49,816 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-03-26 06:20:49,816 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 06:20:49,816 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 06:20:49,816 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-26 06:20:49,846 INFO L129 PetriNetUnfolder]: 1653/3519 cut-off events. [2021-03-26 06:20:49,846 INFO L130 PetriNetUnfolder]: For 101691/102652 co-relation queries the response was YES. [2021-03-26 06:20:49,868 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29974 conditions, 3519 events. 1653/3519 cut-off events. For 101691/102652 co-relation queries the response was YES. Maximal size of possible extension queue 402. Compared 29371 event pairs, 150 based on Foata normal form. 156/3612 useless extension candidates. Maximal degree in co-relation 29560. Up to 1019 conditions per place. [2021-03-26 06:20:49,911 INFO L142 LiptonReduction]: Number of co-enabled transitions 1962 [2021-03-26 06:20:49,949 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:20:49,950 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:20:49,950 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 548 [2021-03-26 06:20:49,950 INFO L480 AbstractCegarLoop]: Abstraction has has 163 places, 574 transitions, 11365 flow [2021-03-26 06:20:49,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 15.545454545454545) internal successors, (171), 11 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 06:20:49,951 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:20:49,951 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:20:50,159 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:20:50,160 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:20:50,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:20:50,160 INFO L82 PathProgramCache]: Analyzing trace with hash -314576141, now seen corresponding path program 2 times [2021-03-26 06:20:50,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:20:50,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845854260] [2021-03-26 06:20:50,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:20:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:20:50,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:50,172 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:20:50,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:50,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:20:50,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:50,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:50,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:50,189 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:20:50,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845854260] [2021-03-26 06:20:50,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802237752] [2021-03-26 06:20:50,189 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 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 06:20:50,211 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:20:50,212 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:20:50,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 06:20:50,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:20:50,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:50,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:50,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:50,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:20:50,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:50,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:50,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:50,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:50,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:50,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:50,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:50,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:50,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:50,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:50,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:50,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:50,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:50,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:50,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:50,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:50,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:50,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:50,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:50,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:50,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:50,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:50,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:50,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:50,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:50,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:50,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:50,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:50,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:50,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:50,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:50,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:20:50,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:50,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:50,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:20:50,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:50,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:50,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:50,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:50,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:50,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:50,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:50,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:50,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:50,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:20:50,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:50,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:50,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:20:50,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:50,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:50,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:50,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:50,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:50,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:50,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:50,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:50,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:50,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:50,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:50,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:50,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:50,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:50,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:50,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:50,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:50,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:50,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:50,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:50,274 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 06:20:50,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:20:50,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2021-03-26 06:20:50,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144901953] [2021-03-26 06:20:50,275 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 06:20:50,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:20:50,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 06:20:50,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-03-26 06:20:50,275 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 76 [2021-03-26 06:20:50,276 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 574 transitions, 11365 flow. Second operand has 10 states, 10 states have (on average 15.9) internal successors, (159), 10 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:50,276 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:20:50,276 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 76 [2021-03-26 06:20:50,276 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:20:52,907 INFO L129 PetriNetUnfolder]: 4690/8878 cut-off events. [2021-03-26 06:20:52,907 INFO L130 PetriNetUnfolder]: For 276794/276849 co-relation queries the response was YES. [2021-03-26 06:20:52,953 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82572 conditions, 8878 events. 4690/8878 cut-off events. For 276794/276849 co-relation queries the response was YES. Maximal size of possible extension queue 732. Compared 73680 event pairs, 231 based on Foata normal form. 284/9161 useless extension candidates. Maximal degree in co-relation 81580. Up to 2698 conditions per place. [2021-03-26 06:20:52,994 INFO L132 encePairwiseOnDemand]: 29/76 looper letters, 773 selfloop transitions, 907 changer transitions 4/1690 dead transitions. [2021-03-26 06:20:52,994 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 1690 transitions, 36747 flow [2021-03-26 06:20:52,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-26 06:20:52,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-03-26 06:20:52,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 662 transitions. [2021-03-26 06:20:52,996 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29035087719298247 [2021-03-26 06:20:52,996 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 662 transitions. [2021-03-26 06:20:52,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 662 transitions. [2021-03-26 06:20:52,996 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:20:52,996 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 662 transitions. [2021-03-26 06:20:52,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 22.066666666666666) internal successors, (662), 30 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:53,000 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 76.0) internal successors, (2356), 31 states have internal predecessors, (2356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:53,000 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 76.0) internal successors, (2356), 31 states have internal predecessors, (2356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:53,000 INFO L185 Difference]: Start difference. First operand has 163 places, 574 transitions, 11365 flow. Second operand 30 states and 662 transitions. [2021-03-26 06:20:53,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 1690 transitions, 36747 flow [2021-03-26 06:20:53,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 1690 transitions, 36528 flow, removed 71 selfloop flow, removed 4 redundant places. [2021-03-26 06:20:53,984 INFO L241 Difference]: Finished difference. Result has 211 places, 1270 transitions, 29222 flow [2021-03-26 06:20:53,985 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=11053, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=566, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=331, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=29222, PETRI_PLACES=211, PETRI_TRANSITIONS=1270} [2021-03-26 06:20:53,985 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 188 predicate places. [2021-03-26 06:20:53,985 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:20:53,986 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 211 places, 1270 transitions, 29222 flow [2021-03-26 06:20:53,986 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 211 places, 1270 transitions, 29222 flow [2021-03-26 06:20:53,999 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 211 places, 1270 transitions, 29222 flow [2021-03-26 06:20:54,919 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([84] L46-->L46-1: Formula: (not (< v_l_6 v_p_4)) InVars {p=v_p_4, l=v_l_6} OutVars{p=v_p_4, l=v_l_6} AuxVars[] AssignedVars[][448], [Black: 496#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 7#thread2EXITtrue, 8#thread1EXITtrue, 10#L63true, 15#L46-1true, Black: 256#(and (< 0 N) (= csum (+ asum 1)) (<= i 1)), Black: 277#(and (= k i) (= l i) (= i asum) (= i 0) (< csum (+ N asum 1)) (= i csum)), Black: 283#(and (or (<= (+ N asum) csum) (<= (+ k asum) csum)) (= csum (+ asum 1)) (<= i 1) (< csum (+ N asum 1))), Black: 285#(and (< 0 N) (= csum (+ asum 1)) (<= N 1) (<= i 1)), Black: 1297#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), Black: 1040#(and (< 0 N) (<= l 1) (= i 0) (= (+ (select A 0) 1) csum) (= asum 0)), Black: 1320#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), Black: 41#(and (= l 0) (<= 0 N) (or (= (+ N asum) csum) (not (= (+ N asum) 0))) (= asum 0)), 303#true, 51#(<= (+ l 1) N), Black: 770#(<= k i), Black: 48#true, Black: 821#(and (<= N (+ i 1)) (<= k (+ i 1))), Black: 50#(= i l), Black: 780#(<= k (+ i 1)), Black: 815#(and (<= N i) (<= k i)), 62#(<= N i), Black: 69#(= p l), 592#(and (<= (+ l 1) i) (< l N)), Black: 74#(and (= l i) (= l k)), Black: 76#(<= (+ i 1) N), 83#true, Black: 608#(and (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 564#(< l N), Black: 598#(and (<= k i) (<= l i) (< l N)), Black: 600#(and (<= l i) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 602#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 586#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 588#(and (<= l i) (< l N)), Black: 604#(and (<= (+ k 1) N) (<= (+ k 1) i)), Black: 352#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 322#(and (= l i) (= l 0) (= (select C l) (+ (select A l) 1)) (<= k (+ l 1)) (= l asum) (< l N) (= i csum)), Black: 606#(and (<= k i) (< l N)), Black: 590#(and (<= k i) (<= (+ l 1) i) (< l N)), 1140#(and (<= N k) (<= p k) (<= (+ l 1) k)), 1398#(and (<= N k) (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), Black: 1138#(and (<= p k) (<= (+ l 1) k)), Black: 1142#(and (<= N k) (<= p k) (<= l k)), Black: 1135#(and (<= p k) (<= l k)), 905#true, Black: 100#(and (< 0 N) (= l 0) (= k 0) (<= i 1) (= csum 0) (= asum (select A 0))), Black: 133#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 120#(and (= (+ asum 1) (select C 0)) (< 0 N) (= l 0) (<= N 1) (= csum 0)), 147#true, Black: 1408#(and (<= (+ i p) (+ l k 1)) (< l N) (<= l k) (<= i k)), Black: 1410#(and (<= N k) (<= l k)), Black: 1412#(and (<= N k) (<= l k) (<= i k)), 662#true, Black: 1414#(and (<= l k) (<= i k)), Black: 1416#(and (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1384#(and (< l N) (<= l k)), Black: 1418#(and (< l N) (<= l k) (<= i k)), Black: 1386#(and (<= (+ l 1) k) (< l N)), Black: 1324#true, Black: 1420#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1390#(and (<= (+ i p) (+ l k 1)) (<= (+ l 1) k) (< l N) (<= i k)), Black: 1422#(and (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), Black: 1424#(and (<= N k) (<= i k)), Black: 1329#(<= i k), Black: 1330#(<= N k), Black: 1426#(and (< l N) (<= i k)), Black: 1396#(and (<= N k) (< l N)), Black: 1334#(<= l k), Black: 1400#(and (<= (+ l 1) k) (< l N) (<= i k)), Black: 1402#(and (<= N k) (< l N) (<= i k)), Black: 1404#(and (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), Black: 1406#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), 431#(and (<= N i) (<= (+ l 1) i)), Black: 384#(<= N i), Black: 433#(and (<= N i) (<= l i)), Black: 1186#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 382#(<= (+ l 1) i), Black: 1203#(and (= i asum) (= i 0) (<= N (+ i 1)) (<= k (+ i 1)) (= (+ asum (select A i) 1) csum) (< i N)), Black: 383#(<= l i), Black: 1178#(and (= i asum) (= i 0) (<= k (+ i 1)) (= (+ asum (select A i) 1) csum) (< i N)), Black: 964#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), Black: 941#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), 456#true, Black: 205#(and (= l 0) (<= i (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), Black: 191#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 207#(and (= l 0) (<= i (+ l 1)) (<= N (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), Black: 720#(and (= l i) (= (+ (select A i) 1) (select C i)) (= i asum) (= i 0) (<= (+ k asum (select A i)) (+ (select C l) i)) (= (+ i 1) p) (= i csum) (< i N)), Black: 722#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 724#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (<= N (+ csum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 712#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 219#true, 1257#(and (<= l i) (<= N (+ i 1))), Black: 1216#(<= l i), Black: 1211#(<= l (+ i 1)), Black: 1259#(and (<= l (+ i 1)) (<= N (+ i 1))), 1008#true, 766#(<= N i)]) [2021-03-26 06:20:54,919 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-03-26 06:20:54,919 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-26 06:20:54,919 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 06:20:54,919 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 06:20:55,345 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] L34-1-->thread2EXIT: Formula: (not (< v_k_22 v_N_15)) InVars {N=v_N_15, k=v_k_22} OutVars{N=v_N_15, k=v_k_22} AuxVars[] AssignedVars[][746], [Black: 496#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 7#thread2EXITtrue, 8#thread1EXITtrue, 905#true, 10#L63true, 15#L46-1true, Black: 100#(and (< 0 N) (= l 0) (= k 0) (<= i 1) (= csum 0) (= asum (select A 0))), Black: 133#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 120#(and (= (+ asum 1) (select C 0)) (< 0 N) (= l 0) (<= N 1) (= csum 0)), 147#true, Black: 1408#(and (<= (+ i p) (+ l k 1)) (< l N) (<= l k) (<= i k)), Black: 1410#(and (<= N k) (<= l k)), Black: 1412#(and (<= N k) (<= l k) (<= i k)), 662#true, Black: 1414#(and (<= l k) (<= i k)), Black: 1416#(and (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1384#(and (< l N) (<= l k)), Black: 1418#(and (< l N) (<= l k) (<= i k)), Black: 1386#(and (<= (+ l 1) k) (< l N)), Black: 1324#true, Black: 1420#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1390#(and (<= (+ i p) (+ l k 1)) (<= (+ l 1) k) (< l N) (<= i k)), Black: 256#(and (< 0 N) (= csum (+ asum 1)) (<= i 1)), Black: 1422#(and (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), Black: 1424#(and (<= N k) (<= i k)), Black: 277#(and (= k i) (= l i) (= i asum) (= i 0) (< csum (+ N asum 1)) (= i csum)), Black: 1329#(<= i k), Black: 1330#(<= N k), Black: 283#(and (or (<= (+ N asum) csum) (<= (+ k asum) csum)) (= csum (+ asum 1)) (<= i 1) (< csum (+ N asum 1))), Black: 285#(and (< 0 N) (= csum (+ asum 1)) (<= N 1) (<= i 1)), Black: 1426#(and (< l N) (<= i k)), Black: 1334#(<= l k), Black: 1398#(and (<= N k) (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), Black: 1400#(and (<= (+ l 1) k) (< l N) (<= i k)), Black: 1402#(and (<= N k) (< l N) (<= i k)), Black: 1404#(and (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), Black: 1406#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), Black: 1297#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), Black: 1040#(and (< 0 N) (<= l 1) (= i 0) (= (+ (select A 0) 1) csum) (= asum 0)), Black: 1320#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), Black: 41#(and (= l 0) (<= 0 N) (or (= (+ N asum) csum) (not (= (+ N asum) 0))) (= asum 0)), 431#(and (<= N i) (<= (+ l 1) i)), 303#true, 815#(and (<= N i) (<= k i)), 51#(<= (+ l 1) N), Black: 384#(<= N i), Black: 433#(and (<= N i) (<= l i)), Black: 382#(<= (+ l 1) i), Black: 1186#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 1203#(and (= i asum) (= i 0) (<= N (+ i 1)) (<= k (+ i 1)) (= (+ asum (select A i) 1) csum) (< i N)), Black: 383#(<= l i), Black: 48#true, Black: 1178#(and (= i asum) (= i 0) (<= k (+ i 1)) (= (+ asum (select A i) 1) csum) (< i N)), Black: 770#(<= k i), Black: 821#(and (<= N (+ i 1)) (<= k (+ i 1))), Black: 50#(= i l), Black: 780#(<= k (+ i 1)), 62#(<= N i), Black: 964#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), Black: 941#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), Black: 69#(= p l), 456#true, Black: 74#(and (= l i) (= l k)), 592#(and (<= (+ l 1) i) (< l N)), Black: 76#(<= (+ i 1) N), Black: 205#(and (= l 0) (<= i (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), Black: 191#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 83#true, Black: 207#(and (= l 0) (<= i (+ l 1)) (<= N (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), Black: 720#(and (= l i) (= (+ (select A i) 1) (select C i)) (= i asum) (= i 0) (<= (+ k asum (select A i)) (+ (select C l) i)) (= (+ i 1) p) (= i csum) (< i N)), Black: 722#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 724#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (<= N (+ csum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 712#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 219#true, Black: 608#(and (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 564#(< l N), Black: 598#(and (<= k i) (<= l i) (< l N)), Black: 600#(and (<= l i) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 602#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 586#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), 1257#(and (<= l i) (<= N (+ i 1))), Black: 588#(and (<= l i) (< l N)), Black: 352#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 604#(and (<= (+ k 1) N) (<= (+ k 1) i)), Black: 322#(and (= l i) (= l 0) (= (select C l) (+ (select A l) 1)) (<= k (+ l 1)) (= l asum) (< l N) (= i csum)), Black: 606#(and (<= k i) (< l N)), Black: 590#(and (<= k i) (<= (+ l 1) i) (< l N)), Black: 1216#(<= l i), Black: 1211#(<= l (+ i 1)), Black: 1259#(and (<= l (+ i 1)) (<= N (+ i 1))), 1008#true, 1396#(and (<= N k) (< l N)), 1140#(and (<= N k) (<= p k) (<= (+ l 1) k)), Black: 1138#(and (<= p k) (<= (+ l 1) k)), Black: 1142#(and (<= N k) (<= p k) (<= l k)), Black: 1135#(and (<= p k) (<= l k))]) [2021-03-26 06:20:55,345 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-03-26 06:20:55,345 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 06:20:55,346 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 06:20:55,346 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-03-26 06:20:55,347 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([84] L46-->L46-1: Formula: (not (< v_l_6 v_p_4)) InVars {p=v_p_4, l=v_l_6} OutVars{p=v_p_4, l=v_l_6} AuxVars[] AssignedVars[][1157], [Black: 496#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 7#thread2EXITtrue, 8#thread1EXITtrue, 905#true, 10#L63true, Black: 100#(and (< 0 N) (= l 0) (= k 0) (<= i 1) (= csum 0) (= asum (select A 0))), 15#L46-1true, Black: 133#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 120#(and (= (+ asum 1) (select C 0)) (< 0 N) (= l 0) (<= N 1) (= csum 0)), 147#true, Black: 1408#(and (<= (+ i p) (+ l k 1)) (< l N) (<= l k) (<= i k)), Black: 1410#(and (<= N k) (<= l k)), Black: 1412#(and (<= N k) (<= l k) (<= i k)), 662#true, Black: 1414#(and (<= l k) (<= i k)), Black: 1416#(and (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1384#(and (< l N) (<= l k)), Black: 1418#(and (< l N) (<= l k) (<= i k)), Black: 1386#(and (<= (+ l 1) k) (< l N)), Black: 1324#true, Black: 1420#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1390#(and (<= (+ i p) (+ l k 1)) (<= (+ l 1) k) (< l N) (<= i k)), Black: 256#(and (< 0 N) (= csum (+ asum 1)) (<= i 1)), Black: 1422#(and (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), Black: 1424#(and (<= N k) (<= i k)), Black: 277#(and (= k i) (= l i) (= i asum) (= i 0) (< csum (+ N asum 1)) (= i csum)), Black: 1329#(<= i k), Black: 283#(and (or (<= (+ N asum) csum) (<= (+ k asum) csum)) (= csum (+ asum 1)) (<= i 1) (< csum (+ N asum 1))), Black: 1330#(<= N k), Black: 285#(and (< 0 N) (= csum (+ asum 1)) (<= N 1) (<= i 1)), Black: 1426#(and (< l N) (<= i k)), Black: 1334#(<= l k), Black: 1398#(and (<= N k) (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), Black: 1400#(and (<= (+ l 1) k) (< l N) (<= i k)), Black: 1402#(and (<= N k) (< l N) (<= i k)), Black: 1404#(and (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), Black: 1297#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), Black: 1406#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), Black: 1040#(and (< 0 N) (<= l 1) (= i 0) (= (+ (select A 0) 1) csum) (= asum 0)), Black: 1320#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), Black: 41#(and (= l 0) (<= 0 N) (or (= (+ N asum) csum) (not (= (+ N asum) 0))) (= asum 0)), 431#(and (<= N i) (<= (+ l 1) i)), 303#true, 815#(and (<= N i) (<= k i)), 51#(<= (+ l 1) N), Black: 384#(<= N i), Black: 433#(and (<= N i) (<= l i)), Black: 382#(<= (+ l 1) i), Black: 1186#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 1203#(and (= i asum) (= i 0) (<= N (+ i 1)) (<= k (+ i 1)) (= (+ asum (select A i) 1) csum) (< i N)), Black: 383#(<= l i), Black: 48#true, Black: 770#(<= k i), Black: 1178#(and (= i asum) (= i 0) (<= k (+ i 1)) (= (+ asum (select A i) 1) csum) (< i N)), Black: 821#(and (<= N (+ i 1)) (<= k (+ i 1))), Black: 50#(= i l), Black: 780#(<= k (+ i 1)), 62#(<= N i), Black: 964#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), Black: 941#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), Black: 69#(= p l), 456#true, Black: 74#(and (= l i) (= l k)), 592#(and (<= (+ l 1) i) (< l N)), Black: 205#(and (= l 0) (<= i (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), Black: 76#(<= (+ i 1) N), Black: 191#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 83#true, Black: 207#(and (= l 0) (<= i (+ l 1)) (<= N (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), Black: 720#(and (= l i) (= (+ (select A i) 1) (select C i)) (= i asum) (= i 0) (<= (+ k asum (select A i)) (+ (select C l) i)) (= (+ i 1) p) (= i csum) (< i N)), Black: 722#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 724#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (<= N (+ csum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 712#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 219#true, Black: 608#(and (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 564#(< l N), Black: 598#(and (<= k i) (<= l i) (< l N)), Black: 600#(and (<= l i) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 602#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 586#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), 1257#(and (<= l i) (<= N (+ i 1))), Black: 588#(and (<= l i) (< l N)), Black: 604#(and (<= (+ k 1) N) (<= (+ k 1) i)), Black: 352#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 322#(and (= l i) (= l 0) (= (select C l) (+ (select A l) 1)) (<= k (+ l 1)) (= l asum) (< l N) (= i csum)), Black: 606#(and (<= k i) (< l N)), Black: 590#(and (<= k i) (<= (+ l 1) i) (< l N)), Black: 1216#(<= l i), Black: 1211#(<= l (+ i 1)), Black: 1259#(and (<= l (+ i 1)) (<= N (+ i 1))), 1008#true, 1396#(and (<= N k) (< l N)), 1140#(and (<= N k) (<= p k) (<= (+ l 1) k)), Black: 1138#(and (<= p k) (<= (+ l 1) k)), Black: 1142#(and (<= N k) (<= p k) (<= l k)), Black: 1135#(and (<= p k) (<= l k))]) [2021-03-26 06:20:55,347 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-03-26 06:20:55,347 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 06:20:55,347 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-03-26 06:20:55,347 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 06:20:55,351 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([84] L46-->L46-1: Formula: (not (< v_l_6 v_p_4)) InVars {p=v_p_4, l=v_l_6} OutVars{p=v_p_4, l=v_l_6} AuxVars[] AssignedVars[][1157], [Black: 496#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 7#thread2EXITtrue, 8#thread1EXITtrue, 905#true, 10#L63true, 15#L46-1true, Black: 100#(and (< 0 N) (= l 0) (= k 0) (<= i 1) (= csum 0) (= asum (select A 0))), Black: 133#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 120#(and (= (+ asum 1) (select C 0)) (< 0 N) (= l 0) (<= N 1) (= csum 0)), 147#true, Black: 1408#(and (<= (+ i p) (+ l k 1)) (< l N) (<= l k) (<= i k)), Black: 1410#(and (<= N k) (<= l k)), Black: 1412#(and (<= N k) (<= l k) (<= i k)), 662#true, Black: 1414#(and (<= l k) (<= i k)), Black: 1416#(and (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1384#(and (< l N) (<= l k)), Black: 1418#(and (< l N) (<= l k) (<= i k)), Black: 1386#(and (<= (+ l 1) k) (< l N)), Black: 1324#true, Black: 1420#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1390#(and (<= (+ i p) (+ l k 1)) (<= (+ l 1) k) (< l N) (<= i k)), Black: 256#(and (< 0 N) (= csum (+ asum 1)) (<= i 1)), Black: 1422#(and (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), Black: 1424#(and (<= N k) (<= i k)), Black: 277#(and (= k i) (= l i) (= i asum) (= i 0) (< csum (+ N asum 1)) (= i csum)), Black: 1329#(<= i k), Black: 1330#(<= N k), Black: 283#(and (or (<= (+ N asum) csum) (<= (+ k asum) csum)) (= csum (+ asum 1)) (<= i 1) (< csum (+ N asum 1))), Black: 285#(and (< 0 N) (= csum (+ asum 1)) (<= N 1) (<= i 1)), Black: 1426#(and (< l N) (<= i k)), Black: 1334#(<= l k), Black: 1398#(and (<= N k) (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), Black: 1400#(and (<= (+ l 1) k) (< l N) (<= i k)), Black: 1402#(and (<= N k) (< l N) (<= i k)), Black: 1404#(and (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), Black: 1406#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), Black: 1297#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), Black: 1040#(and (< 0 N) (<= l 1) (= i 0) (= (+ (select A 0) 1) csum) (= asum 0)), Black: 1320#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), Black: 41#(and (= l 0) (<= 0 N) (or (= (+ N asum) csum) (not (= (+ N asum) 0))) (= asum 0)), 431#(and (<= N i) (<= (+ l 1) i)), 303#true, 815#(and (<= N i) (<= k i)), Black: 384#(<= N i), 51#(<= (+ l 1) N), Black: 433#(and (<= N i) (<= l i)), Black: 1186#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 382#(<= (+ l 1) i), Black: 1203#(and (= i asum) (= i 0) (<= N (+ i 1)) (<= k (+ i 1)) (= (+ asum (select A i) 1) csum) (< i N)), Black: 383#(<= l i), Black: 48#true, Black: 1178#(and (= i asum) (= i 0) (<= k (+ i 1)) (= (+ asum (select A i) 1) csum) (< i N)), Black: 770#(<= k i), Black: 821#(and (<= N (+ i 1)) (<= k (+ i 1))), Black: 50#(= i l), Black: 780#(<= k (+ i 1)), 62#(<= N i), Black: 964#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), Black: 69#(= p l), Black: 941#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), 456#true, Black: 74#(and (= l i) (= l k)), 592#(and (<= (+ l 1) i) (< l N)), Black: 76#(<= (+ i 1) N), Black: 205#(and (= l 0) (<= i (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), Black: 191#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 207#(and (= l 0) (<= i (+ l 1)) (<= N (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), 83#true, Black: 720#(and (= l i) (= (+ (select A i) 1) (select C i)) (= i asum) (= i 0) (<= (+ k asum (select A i)) (+ (select C l) i)) (= (+ i 1) p) (= i csum) (< i N)), Black: 722#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 724#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (<= N (+ csum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 712#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 219#true, Black: 608#(and (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 564#(< l N), Black: 598#(and (<= k i) (<= l i) (< l N)), Black: 600#(and (<= l i) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 602#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 586#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), 1257#(and (<= l i) (<= N (+ i 1))), Black: 588#(and (<= l i) (< l N)), Black: 352#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 604#(and (<= (+ k 1) N) (<= (+ k 1) i)), Black: 322#(and (= l i) (= l 0) (= (select C l) (+ (select A l) 1)) (<= k (+ l 1)) (= l asum) (< l N) (= i csum)), Black: 606#(and (<= k i) (< l N)), Black: 590#(and (<= k i) (<= (+ l 1) i) (< l N)), Black: 1216#(<= l i), Black: 1211#(<= l (+ i 1)), Black: 1259#(and (<= l (+ i 1)) (<= N (+ i 1))), 1008#true, 1396#(and (<= N k) (< l N)), 1140#(and (<= N k) (<= p k) (<= (+ l 1) k)), Black: 1138#(and (<= p k) (<= (+ l 1) k)), Black: 1142#(and (<= N k) (<= p k) (<= l k)), Black: 1135#(and (<= p k) (<= l k))]) [2021-03-26 06:20:55,351 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-03-26 06:20:55,352 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 06:20:55,352 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-03-26 06:20:55,352 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-26 06:20:55,352 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 06:20:55,887 INFO L129 PetriNetUnfolder]: 3795/7607 cut-off events. [2021-03-26 06:20:55,887 INFO L130 PetriNetUnfolder]: For 314015/316460 co-relation queries the response was YES. [2021-03-26 06:20:55,945 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76381 conditions, 7607 events. 3795/7607 cut-off events. For 314015/316460 co-relation queries the response was YES. Maximal size of possible extension queue 693. Compared 66330 event pairs, 179 based on Foata normal form. 411/7904 useless extension candidates. Maximal degree in co-relation 75652. Up to 2337 conditions per place. [2021-03-26 06:20:56,021 INFO L142 LiptonReduction]: Number of co-enabled transitions 3260 [2021-03-26 06:20:56,212 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:20:56,212 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:20:56,212 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2227 [2021-03-26 06:20:56,213 INFO L480 AbstractCegarLoop]: Abstraction has has 211 places, 1270 transitions, 29222 flow [2021-03-26 06:20:56,213 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 15.9) internal successors, (159), 10 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:56,213 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:20:56,213 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:20:56,427 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:20:56,428 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:20:56,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:20:56,428 INFO L82 PathProgramCache]: Analyzing trace with hash -329842373, now seen corresponding path program 3 times [2021-03-26 06:20:56,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:20:56,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329330074] [2021-03-26 06:20:56,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:20:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:20:56,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:56,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:56,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:56,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:56,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:56,456 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:20:56,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329330074] [2021-03-26 06:20:56,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957744400] [2021-03-26 06:20:56,456 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) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:20:56,483 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-26 06:20:56,484 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:20:56,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 06:20:56,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:20:56,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:56,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:56,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:56,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:56,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:56,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:56,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:56,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:56,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:56,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:56,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:56,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:56,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:56,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:56,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:56,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:56,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:20:56,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:20:56,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:56,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:56,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:56,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:56,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:56,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:56,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:56,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:56,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:56,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:56,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:56,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:56,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:56,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:20:56,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:56,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:20:56,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:56,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:56,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:20:56,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:20:56,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:56,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:56,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:56,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:56,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:20:56,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:20:56,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:20:56,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:20:56,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:56,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:56,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:56,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:56,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:56,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:56,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:56,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:56,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:56,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:20:56,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:56,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:56,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:56,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:56,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:56,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:56,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:56,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:56,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:56,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:56,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:56,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:56,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:20:56,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:20:56,531 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:20:56,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:20:56,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-03-26 06:20:56,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487828261] [2021-03-26 06:20:56,531 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 06:20:56,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:20:56,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 06:20:56,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-26 06:20:56,532 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 76 [2021-03-26 06:20:56,532 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 1270 transitions, 29222 flow. Second operand has 9 states, 9 states have (on average 16.11111111111111) internal successors, (145), 9 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:20:56,532 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:20:56,532 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 76 [2021-03-26 06:20:56,532 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:21:02,050 INFO L129 PetriNetUnfolder]: 6219/11698 cut-off events. [2021-03-26 06:21:02,050 INFO L130 PetriNetUnfolder]: For 500981/501028 co-relation queries the response was YES. [2021-03-26 06:21:02,135 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125715 conditions, 11698 events. 6219/11698 cut-off events. For 500981/501028 co-relation queries the response was YES. Maximal size of possible extension queue 899. Compared 100245 event pairs, 289 based on Foata normal form. 274/11970 useless extension candidates. Maximal degree in co-relation 124077. Up to 3570 conditions per place. [2021-03-26 06:21:02,200 INFO L132 encePairwiseOnDemand]: 30/76 looper letters, 827 selfloop transitions, 1894 changer transitions 32/2759 dead transitions. [2021-03-26 06:21:02,200 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 2759 transitions, 70161 flow [2021-03-26 06:21:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-03-26 06:21:02,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-03-26 06:21:02,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 690 transitions. [2021-03-26 06:21:02,202 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2928692699490662 [2021-03-26 06:21:02,202 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 690 transitions. [2021-03-26 06:21:02,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 690 transitions. [2021-03-26 06:21:02,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:21:02,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 690 transitions. [2021-03-26 06:21:02,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 22.258064516129032) internal successors, (690), 31 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:21:02,206 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 76.0) internal successors, (2432), 32 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:21:02,206 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 76.0) internal successors, (2432), 32 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:21:02,206 INFO L185 Difference]: Start difference. First operand has 211 places, 1270 transitions, 29222 flow. Second operand 31 states and 690 transitions. [2021-03-26 06:21:02,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 2759 transitions, 70161 flow [2021-03-26 06:21:05,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 2759 transitions, 65406 flow, removed 2362 selfloop flow, removed 5 redundant places. [2021-03-26 06:21:05,174 INFO L241 Difference]: Finished difference. Result has 254 places, 2300 transitions, 56219 flow [2021-03-26 06:21:05,175 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=26665, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=939, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=56219, PETRI_PLACES=254, PETRI_TRANSITIONS=2300} [2021-03-26 06:21:05,175 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 231 predicate places. [2021-03-26 06:21:05,175 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:21:05,175 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 254 places, 2300 transitions, 56219 flow [2021-03-26 06:21:05,175 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 254 places, 2300 transitions, 56219 flow [2021-03-26 06:21:05,203 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 254 places, 2300 transitions, 56219 flow [2021-03-26 06:21:08,621 INFO L129 PetriNetUnfolder]: 4876/10076 cut-off events. [2021-03-26 06:21:08,621 INFO L130 PetriNetUnfolder]: For 516501/519462 co-relation queries the response was YES. [2021-03-26 06:21:08,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107785 conditions, 10076 events. 4876/10076 cut-off events. For 516501/519462 co-relation queries the response was YES. Maximal size of possible extension queue 922. Compared 94261 event pairs, 224 based on Foata normal form. 750/10695 useless extension candidates. Maximal degree in co-relation 106724. Up to 2864 conditions per place. [2021-03-26 06:21:09,030 INFO L142 LiptonReduction]: Number of co-enabled transitions 5508 [2021-03-26 06:21:09,682 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:21:09,682 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:21:09,682 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4507 [2021-03-26 06:21:09,682 INFO L480 AbstractCegarLoop]: Abstraction has has 254 places, 2300 transitions, 56219 flow [2021-03-26 06:21:09,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 16.11111111111111) internal successors, (145), 9 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:21:09,682 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:21:09,682 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:21:09,883 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-03-26 06:21:09,883 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:21:09,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:21:09,884 INFO L82 PathProgramCache]: Analyzing trace with hash 439356906, now seen corresponding path program 1 times [2021-03-26 06:21:09,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:21:09,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056058517] [2021-03-26 06:21:09,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:21:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:21:09,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:21:09,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:09,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:09,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:21:09,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:09,921 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 06:21:09,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056058517] [2021-03-26 06:21:09,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485409580] [2021-03-26 06:21:09,921 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 06:21:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:21:09,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 06:21:09,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:21:09,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:21:09,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:21:09,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:21:09,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:21:09,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:21:09,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:21:09,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:21:09,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:21:09,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:21:09,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:21:09,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:21:09,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:21:09,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:21:09,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:21:09,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:09,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:09,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:09,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:09,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:09,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:09,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:09,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:09,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:09,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:09,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:09,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:09,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:09,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:09,981 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-03-26 06:21:09,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:21:09,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:21:09,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:21:09,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:21:09,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:09,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:09,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:09,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:09,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:09,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:09,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:09,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:09,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:09,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:09,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:21:09,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:21:09,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:21:09,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:21:09,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:21:09,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:21:09,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:21:09,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:21:09,997 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-03-26 06:21:09,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:09,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:09,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:09,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:09,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:09,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:10,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:10,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:10,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:10,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:10,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:10,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:10,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:10,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:10,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:10,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:10,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:10,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:10,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:10,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:10,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:10,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:10,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:10,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:10,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:10,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:10,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:10,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:10,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:10,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:10,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:10,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:10,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:10,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:10,007 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 06:21:10,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:21:10,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-26 06:21:10,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956339517] [2021-03-26 06:21:10,008 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 06:21:10,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:21:10,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 06:21:10,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-26 06:21:10,009 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 76 [2021-03-26 06:21:10,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 2300 transitions, 56219 flow. Second operand has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 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 06:21:10,009 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:21:10,009 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 76 [2021-03-26 06:21:10,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:21:22,792 INFO L129 PetriNetUnfolder]: 9180/18372 cut-off events. [2021-03-26 06:21:22,792 INFO L130 PetriNetUnfolder]: For 915876/915901 co-relation queries the response was YES. [2021-03-26 06:21:22,992 INFO L84 FinitePrefix]: Finished finitePrefix Result has 208887 conditions, 18372 events. 9180/18372 cut-off events. For 915876/915901 co-relation queries the response was YES. Maximal size of possible extension queue 1549. Compared 179573 event pairs, 463 based on Foata normal form. 476/18848 useless extension candidates. Maximal degree in co-relation 207257. Up to 6975 conditions per place. [2021-03-26 06:21:23,095 INFO L132 encePairwiseOnDemand]: 57/76 looper letters, 2840 selfloop transitions, 742 changer transitions 58/3646 dead transitions. [2021-03-26 06:21:23,095 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 3646 transitions, 96693 flow [2021-03-26 06:21:23,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 06:21:23,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 06:21:23,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 222 transitions. [2021-03-26 06:21:23,096 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32456140350877194 [2021-03-26 06:21:23,096 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 222 transitions. [2021-03-26 06:21:23,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 222 transitions. [2021-03-26 06:21:23,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:21:23,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 222 transitions. [2021-03-26 06:21:23,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 24.666666666666668) internal successors, (222), 9 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 06:21:23,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 76.0) internal successors, (760), 10 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:21:23,098 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 76.0) internal successors, (760), 10 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:21:23,098 INFO L185 Difference]: Start difference. First operand has 254 places, 2300 transitions, 56219 flow. Second operand 9 states and 222 transitions. [2021-03-26 06:21:23,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 3646 transitions, 96693 flow [2021-03-26 06:21:31,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 3646 transitions, 91993 flow, removed 2330 selfloop flow, removed 6 redundant places. [2021-03-26 06:21:31,662 INFO L241 Difference]: Finished difference. Result has 262 places, 2706 transitions, 67205 flow [2021-03-26 06:21:31,663 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=49913, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=265, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1547, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=67205, PETRI_PLACES=262, PETRI_TRANSITIONS=2706} [2021-03-26 06:21:31,664 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 239 predicate places. [2021-03-26 06:21:31,664 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:21:31,664 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 262 places, 2706 transitions, 67205 flow [2021-03-26 06:21:31,664 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 262 places, 2706 transitions, 67205 flow [2021-03-26 06:21:31,697 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 261 places, 2706 transitions, 67205 flow [2021-03-26 06:21:38,762 INFO L129 PetriNetUnfolder]: 7152/15461 cut-off events. [2021-03-26 06:21:38,762 INFO L130 PetriNetUnfolder]: For 863513/867632 co-relation queries the response was YES. [2021-03-26 06:21:39,226 INFO L84 FinitePrefix]: Finished finitePrefix Result has 169748 conditions, 15461 events. 7152/15461 cut-off events. For 863513/867632 co-relation queries the response was YES. Maximal size of possible extension queue 1555. Compared 160961 event pairs, 342 based on Foata normal form. 1341/16592 useless extension candidates. Maximal degree in co-relation 169232. Up to 4498 conditions per place. [2021-03-26 06:21:39,487 INFO L142 LiptonReduction]: Number of co-enabled transitions 6148 [2021-03-26 06:21:40,472 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:21:40,473 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:21:40,473 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8809 [2021-03-26 06:21:40,473 INFO L480 AbstractCegarLoop]: Abstraction has has 261 places, 2706 transitions, 67205 flow [2021-03-26 06:21:40,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 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 06:21:40,473 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:21:40,474 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:21:40,674 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-03-26 06:21:40,674 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:21:40,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:21:40,675 INFO L82 PathProgramCache]: Analyzing trace with hash 744332516, now seen corresponding path program 8 times [2021-03-26 06:21:40,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:21:40,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247613289] [2021-03-26 06:21:40,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:21:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:21:40,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:21:40,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:40,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:40,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:21:40,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:40,710 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:21:40,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247613289] [2021-03-26 06:21:40,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252184824] [2021-03-26 06:21:40,711 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 06:21:40,740 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:21:40,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:21:40,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 06:21:40,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:21:40,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:21:40,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:21:40,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:21:40,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:21:40,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:21:40,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:21:40,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:21:40,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:21:40,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:21:40,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:21:40,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:21:40,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:21:40,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:21:40,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:21:40,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:40,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:40,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:40,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:40,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:40,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:40,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:40,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:40,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:40,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:40,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:40,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:40,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:40,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:40,763 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-03-26 06:21:40,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:21:40,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:21:40,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:21:40,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:21:40,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:40,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:21:40,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:21:40,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:21:40,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:21:40,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:21:40,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:21:40,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:21:40,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:21:40,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:21:40,772 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 06:21:40,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:40,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:40,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:40,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:40,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:40,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:40,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:40,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:40,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:40,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:40,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:40,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:40,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:40,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:40,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:40,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:40,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:40,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:40,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:40,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:40,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:40,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:40,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:40,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:40,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:21:40,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:21:40,783 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:21:40,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:21:40,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-26 06:21:40,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657332159] [2021-03-26 06:21:40,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 06:21:40,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:21:40,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 06:21:40,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-26 06:21:40,784 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 76 [2021-03-26 06:21:40,784 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 2706 transitions, 67205 flow. Second operand has 7 states, 7 states have (on average 56.57142857142857) internal successors, (396), 7 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:21:40,785 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:21:40,785 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 76 [2021-03-26 06:21:40,785 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:22:04,995 INFO L129 PetriNetUnfolder]: 12414/26202 cut-off events. [2021-03-26 06:22:04,995 INFO L130 PetriNetUnfolder]: For 1567566/1570289 co-relation queries the response was YES. [2021-03-26 06:22:05,376 INFO L84 FinitePrefix]: Finished finitePrefix Result has 315740 conditions, 26202 events. 12414/26202 cut-off events. For 1567566/1570289 co-relation queries the response was YES. Maximal size of possible extension queue 2189. Compared 282858 event pairs, 633 based on Foata normal form. 1155/26780 useless extension candidates. Maximal degree in co-relation 313857. Up to 7468 conditions per place. [2021-03-26 06:22:05,534 INFO L132 encePairwiseOnDemand]: 71/76 looper letters, 2546 selfloop transitions, 1112 changer transitions 4/4320 dead transitions. [2021-03-26 06:22:05,535 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 4320 transitions, 116033 flow [2021-03-26 06:22:05,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 06:22:05,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 06:22:05,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 538 transitions. [2021-03-26 06:22:05,536 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7865497076023392 [2021-03-26 06:22:05,536 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 538 transitions. [2021-03-26 06:22:05,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 538 transitions. [2021-03-26 06:22:05,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:22:05,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 538 transitions. [2021-03-26 06:22:05,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 59.77777777777778) internal successors, (538), 9 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:22:05,537 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 76.0) internal successors, (760), 10 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:22:05,537 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 76.0) internal successors, (760), 10 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:22:05,537 INFO L185 Difference]: Start difference. First operand has 261 places, 2706 transitions, 67205 flow. Second operand 9 states and 538 transitions. [2021-03-26 06:22:05,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 4320 transitions, 116033 flow [2021-03-26 06:22:20,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 4320 transitions, 113658 flow, removed 1170 selfloop flow, removed 4 redundant places. [2021-03-26 06:22:21,079 INFO L241 Difference]: Finished difference. Result has 272 places, 3529 transitions, 93433 flow [2021-03-26 06:22:21,081 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=65984, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2704, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=383, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1832, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=93433, PETRI_PLACES=272, PETRI_TRANSITIONS=3529} [2021-03-26 06:22:21,081 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 249 predicate places. [2021-03-26 06:22:21,081 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:22:21,081 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 272 places, 3529 transitions, 93433 flow [2021-03-26 06:22:21,081 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 272 places, 3529 transitions, 93433 flow [2021-03-26 06:22:21,119 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 270 places, 3529 transitions, 93433 flow [2021-03-26 06:22:25,398 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([83] L46-->L47: Formula: (< v_l_2 v_p_3) InVars {p=v_p_3, l=v_l_2} OutVars{p=v_p_3, l=v_l_2} AuxVars[] AssignedVars[][2974], [Black: 496#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 8#thread1EXITtrue, 10#L63true, Black: 1538#(and (<= l i) (<= k (+ i 1))), Black: 1508#(and (<= k i) (<= l i) (<= (+ l 1) N) (< k N)), 17#L34-1true, Black: 1540#(and (<= k i) (<= l (+ i 1)) (< k N)), Black: 1542#(and (<= k (+ i 1)) (<= (+ l 1) N)), Black: 1510#(and (<= l i) (<= k (+ i 1)) (<= (+ l 1) N)), Black: 1544#(and (<= k i) (<= l (+ i 1)) (<= (+ l 1) N) (< k N)), Black: 1546#(and (<= k i) (<= (+ l 1) N)), Black: 1514#(and (<= k i) (<= l i) (<= (+ l 1) N)), Black: 1548#(and (<= k i) (< k N)), 24#L47true, Black: 1550#(and (<= k i) (<= (+ l 1) N) (< k N)), Black: 1455#(<= l i), Black: 1460#(<= k i), Black: 1524#(and (<= l (+ i 1)) (<= k (+ i 1))), Black: 1528#(and (<= k i) (<= l i)), Black: 1530#(and (<= l (+ i 1)) (<= k (+ i 1)) (<= (+ l 1) N)), Black: 256#(and (< 0 N) (= csum (+ asum 1)) (<= i 1)), Black: 1532#(and (<= k i) (<= l i) (< k N)), Black: 1534#(and (<= k i) (<= l (+ i 1)) (<= (+ l 1) N)), 1570#true, Black: 283#(and (or (<= (+ N asum) csum) (<= (+ k asum) csum)) (= csum (+ asum 1)) (<= i 1) (< csum (+ N asum 1))), Black: 285#(and (< 0 N) (= csum (+ asum 1)) (<= N 1) (<= i 1)), Black: 1297#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), Black: 1040#(and (< 0 N) (<= l 1) (= i 0) (= (+ (select A 0) 1) csum) (= asum 0)), Black: 1320#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), 303#true, 815#(and (<= N i) (<= k i)), 51#(<= (+ l 1) N), Black: 770#(<= k i), Black: 48#true, Black: 821#(and (<= N (+ i 1)) (<= k (+ i 1))), Black: 50#(= i l), Black: 780#(<= k (+ i 1)), 62#(<= N i), Black: 69#(= p l), 592#(and (<= (+ l 1) i) (< l N)), Black: 76#(<= (+ i 1) N), 83#true, Black: 1573#(<= i (+ l 1)), Black: 1575#(<= N l), Black: 608#(and (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1626#(and (<= i (+ l 1)) (<= N (+ l 1))), Black: 1579#(<= i l), Black: 564#(< l N), Black: 1628#(and (<= N l) (<= i l)), Black: 598#(and (<= k i) (<= l i) (< l N)), Black: 1630#(and (<= i (+ l 1)) (<= N l)), Black: 600#(and (<= l i) (<= (+ k 1) N) (<= (+ k 1) i)), 1638#true, Black: 602#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 586#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 588#(and (<= l i) (< l N)), Black: 604#(and (<= (+ k 1) N) (<= (+ k 1) i)), Black: 352#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 1386#(and (<= (+ l 1) k) (< l N)), Black: 606#(and (<= k i) (< l N)), Black: 322#(and (= l i) (= l 0) (= (select C l) (+ (select A l) 1)) (<= k (+ l 1)) (= l asum) (< l N) (= i csum)), Black: 590#(and (<= k i) (<= (+ l 1) i) (< l N)), 1138#(and (<= p k) (<= (+ l 1) k)), Black: 1140#(and (<= N k) (<= p k) (<= (+ l 1) k)), Black: 1142#(and (<= N k) (<= p k) (<= l k)), Black: 1135#(and (<= p k) (<= l k)), 905#true, Black: 100#(and (< 0 N) (= l 0) (= k 0) (<= i 1) (= csum 0) (= asum (select A 0))), Black: 120#(and (= (+ asum 1) (select C 0)) (< 0 N) (= l 0) (<= N 1) (= csum 0)), 147#true, Black: 1408#(and (<= (+ i p) (+ l k 1)) (< l N) (<= l k) (<= i k)), Black: 1410#(and (<= N k) (<= l k)), Black: 1412#(and (<= N k) (<= l k) (<= i k)), 662#true, Black: 1414#(and (<= l k) (<= i k)), Black: 1416#(and (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1384#(and (< l N) (<= l k)), Black: 1418#(and (< l N) (<= l k) (<= i k)), Black: 1324#true, Black: 1420#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1390#(and (<= (+ i p) (+ l k 1)) (<= (+ l 1) k) (< l N) (<= i k)), Black: 1422#(and (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), Black: 1424#(and (<= N k) (<= i k)), Black: 1329#(<= i k), Black: 1330#(<= N k), Black: 1426#(and (< l N) (<= i k)), Black: 1396#(and (<= N k) (< l N)), Black: 1696#(and (<= N k) (<= i k)), Black: 1698#(and (<= N k) (<= i (+ k 1))), Black: 1334#(<= l k), Black: 1398#(and (<= N k) (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), Black: 1400#(and (<= (+ l 1) k) (< l N) (<= i k)), Black: 1641#(<= i (+ k 1)), Black: 1643#(<= N k), Black: 1402#(and (<= N k) (< l N) (<= i k)), Black: 1404#(and (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), Black: 1694#(and (<= N (+ k 1)) (<= i (+ k 1))), Black: 1406#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), Black: 1647#(<= i k), 431#(and (<= N i) (<= (+ l 1) i)), Black: 384#(<= N i), Black: 433#(and (<= N i) (<= l i)), Black: 1186#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 382#(<= (+ l 1) i), Black: 383#(<= l i), Black: 1178#(and (= i asum) (= i 0) (<= k (+ i 1)) (= (+ asum (select A i) 1) csum) (< i N)), Black: 964#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), Black: 941#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), 456#true, Black: 205#(and (= l 0) (<= i (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), Black: 207#(and (= l 0) (<= i (+ l 1)) (<= N (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), Black: 720#(and (= l i) (= (+ (select A i) 1) (select C i)) (= i asum) (= i 0) (<= (+ k asum (select A i)) (+ (select C l) i)) (= (+ i 1) p) (= i csum) (< i N)), Black: 722#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 724#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (<= N (+ csum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 712#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 219#true, 1257#(and (<= l i) (<= N (+ i 1))), Black: 1216#(<= l i), Black: 1211#(<= l (+ i 1)), Black: 1259#(and (<= l (+ i 1)) (<= N (+ i 1))), 1008#true, 1520#(and (<= l i) (<= (+ l 1) N))]) [2021-03-26 06:22:25,399 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-03-26 06:22:25,399 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 06:22:25,399 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-26 06:22:25,399 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 06:22:25,666 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([86] L47-->L46-1: Formula: (and (= (+ (select v_C_8 v_l_10) v_csum_6) v_csum_5) (= (+ v_l_10 1) v_l_9)) InVars {csum=v_csum_6, l=v_l_10, C=v_C_8} OutVars{csum=v_csum_5, l=v_l_9, C=v_C_8} AuxVars[] AssignedVars[csum, l][1109], [Black: 496#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 7#thread2EXITtrue, 8#thread1EXITtrue, 10#L63true, 15#L46-1true, Black: 1538#(and (<= l i) (<= k (+ i 1))), Black: 1508#(and (<= k i) (<= l i) (<= (+ l 1) N) (< k N)), Black: 1540#(and (<= k i) (<= l (+ i 1)) (< k N)), Black: 1542#(and (<= k (+ i 1)) (<= (+ l 1) N)), Black: 1510#(and (<= l i) (<= k (+ i 1)) (<= (+ l 1) N)), Black: 1544#(and (<= k i) (<= l (+ i 1)) (<= (+ l 1) N) (< k N)), Black: 1546#(and (<= k i) (<= (+ l 1) N)), Black: 1514#(and (<= k i) (<= l i) (<= (+ l 1) N)), Black: 1548#(and (<= k i) (< k N)), Black: 1550#(and (<= k i) (<= (+ l 1) N) (< k N)), Black: 1455#(<= l i), 538#(<= l i), Black: 1520#(and (<= l i) (<= (+ l 1) N)), Black: 1460#(<= k i), Black: 1524#(and (<= l (+ i 1)) (<= k (+ i 1))), Black: 1528#(and (<= k i) (<= l i)), Black: 256#(and (< 0 N) (= csum (+ asum 1)) (<= i 1)), Black: 1530#(and (<= l (+ i 1)) (<= k (+ i 1)) (<= (+ l 1) N)), Black: 1532#(and (<= k i) (<= l i) (< k N)), Black: 1534#(and (<= k i) (<= l (+ i 1)) (<= (+ l 1) N)), Black: 283#(and (or (<= (+ N asum) csum) (<= (+ k asum) csum)) (= csum (+ asum 1)) (<= i 1) (< csum (+ N asum 1))), Black: 285#(and (< 0 N) (= csum (+ asum 1)) (<= N 1) (<= i 1)), Black: 1297#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), Black: 1040#(and (< 0 N) (<= l 1) (= i 0) (= (+ (select A 0) 1) csum) (= asum 0)), Black: 1320#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), 303#true, 48#true, Black: 770#(<= k i), Black: 821#(and (<= N (+ i 1)) (<= k (+ i 1))), Black: 50#(= i l), Black: 780#(<= k (+ i 1)), Black: 51#(<= (+ l 1) N), Black: 815#(and (<= N i) (<= k i)), 62#(<= N i), Black: 69#(= p l), Black: 76#(<= (+ i 1) N), 83#true, 1628#(and (<= N l) (<= i l)), Black: 1573#(<= i (+ l 1)), Black: 1575#(<= N l), Black: 608#(and (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1626#(and (<= i (+ l 1)) (<= N (+ l 1))), Black: 1579#(<= i l), Black: 592#(and (<= (+ l 1) i) (< l N)), Black: 564#(< l N), Black: 1630#(and (<= i (+ l 1)) (<= N l)), Black: 598#(and (<= k i) (<= l i) (< l N)), Black: 600#(and (<= l i) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 602#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 586#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 588#(and (<= l i) (< l N)), Black: 604#(and (<= (+ k 1) N) (<= (+ k 1) i)), Black: 352#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 322#(and (= l i) (= l 0) (= (select C l) (+ (select A l) 1)) (<= k (+ l 1)) (= l asum) (< l N) (= i csum)), Black: 606#(and (<= k i) (< l N)), Black: 590#(and (<= k i) (<= (+ l 1) i) (< l N)), 1142#(and (<= N k) (<= p k) (<= l k)), Black: 1138#(and (<= p k) (<= (+ l 1) k)), Black: 1140#(and (<= N k) (<= p k) (<= (+ l 1) k)), Black: 1135#(and (<= p k) (<= l k)), 1410#(and (<= N k) (<= l k)), 905#true, Black: 100#(and (< 0 N) (= l 0) (= k 0) (<= i 1) (= csum 0) (= asum (select A 0))), Black: 120#(and (= (+ asum 1) (select C 0)) (< 0 N) (= l 0) (<= N 1) (= csum 0)), 147#true, Black: 1408#(and (<= (+ i p) (+ l k 1)) (< l N) (<= l k) (<= i k)), Black: 1412#(and (<= N k) (<= l k) (<= i k)), 662#true, Black: 1414#(and (<= l k) (<= i k)), Black: 1416#(and (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1384#(and (< l N) (<= l k)), Black: 1418#(and (< l N) (<= l k) (<= i k)), Black: 1386#(and (<= (+ l 1) k) (< l N)), Black: 1324#true, Black: 1420#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1390#(and (<= (+ i p) (+ l k 1)) (<= (+ l 1) k) (< l N) (<= i k)), Black: 1422#(and (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), Black: 1424#(and (<= N k) (<= i k)), Black: 1329#(<= i k), Black: 1330#(<= N k), 1698#(and (<= N k) (<= i (+ k 1))), Black: 1426#(and (< l N) (<= i k)), Black: 1696#(and (<= N k) (<= i k)), Black: 1396#(and (<= N k) (< l N)), Black: 1334#(<= l k), Black: 1398#(and (<= N k) (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), Black: 1638#true, Black: 1641#(<= i (+ k 1)), Black: 1400#(and (<= (+ l 1) k) (< l N) (<= i k)), Black: 1643#(<= N k), Black: 1402#(and (<= N k) (< l N) (<= i k)), Black: 1404#(and (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), Black: 1694#(and (<= N (+ k 1)) (<= i (+ k 1))), Black: 1406#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), Black: 1647#(<= i k), 1454#(<= l (+ i 1)), 433#(and (<= N i) (<= l i)), Black: 384#(<= N i), Black: 1186#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 382#(<= (+ l 1) i), Black: 383#(<= l i), Black: 1178#(and (= i asum) (= i 0) (<= k (+ i 1)) (= (+ asum (select A i) 1) csum) (< i N)), Black: 964#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), Black: 941#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), 456#true, Black: 205#(and (= l 0) (<= i (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), Black: 207#(and (= l 0) (<= i (+ l 1)) (<= N (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), Black: 720#(and (= l i) (= (+ (select A i) 1) (select C i)) (= i asum) (= i 0) (<= (+ k asum (select A i)) (+ (select C l) i)) (= (+ i 1) p) (= i csum) (< i N)), Black: 722#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 724#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (<= N (+ csum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 712#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 219#true, 1259#(and (<= l (+ i 1)) (<= N (+ i 1))), Black: 1216#(<= l i), Black: 1211#(<= l (+ i 1)), 1008#true, 766#(<= N i)]) [2021-03-26 06:22:25,666 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-03-26 06:22:25,667 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-26 06:22:25,667 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-26 06:22:25,667 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-03-26 06:22:34,252 INFO L129 PetriNetUnfolder]: 11909/25993 cut-off events. [2021-03-26 06:22:34,253 INFO L130 PetriNetUnfolder]: For 1692973/1701575 co-relation queries the response was YES. [2021-03-26 06:22:34,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 304628 conditions, 25993 events. 11909/25993 cut-off events. For 1692973/1701575 co-relation queries the response was YES. Maximal size of possible extension queue 2256. Compared 290206 event pairs, 618 based on Foata normal form. 2425/27966 useless extension candidates. Maximal degree in co-relation 304194. Up to 7484 conditions per place. [2021-03-26 06:22:35,088 INFO L142 LiptonReduction]: Number of co-enabled transitions 7892 [2021-03-26 06:22:38,630 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-26 06:22:38,631 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 06:22:38,631 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17550 [2021-03-26 06:22:38,631 INFO L480 AbstractCegarLoop]: Abstraction has has 270 places, 3529 transitions, 93452 flow [2021-03-26 06:22:38,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 56.57142857142857) internal successors, (396), 7 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:22:38,631 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:22:38,632 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:22:38,832 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-03-26 06:22:38,832 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:22:38,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:22:38,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1951992119, now seen corresponding path program 9 times [2021-03-26 06:22:38,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:22:38,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032818883] [2021-03-26 06:22:38,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:22:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:22:38,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:22:38,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:22:38,863 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:22:38,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032818883] [2021-03-26 06:22:38,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405160741] [2021-03-26 06:22:38,864 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:22:38,895 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-26 06:22:38,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:22:38,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 06:22:38,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:22:38,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:22:38,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:22:38,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:22:38,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:22:38,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:22:38,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:22:38,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:22:38,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:22:38,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:22:38,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:22:38,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:22:38,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:22:38,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:22:38,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:22:38,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:22:38,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:22:38,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:22:38,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:22:38,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:22:38,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:22:38,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:22:38,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:22:38,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:22:38,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:22:38,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:22:38,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:22:38,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:22:38,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:22:38,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:22:38,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:22:38,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:22:38,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:22:38,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:22:38,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:22:38,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:22:38,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:22:38,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:22:38,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:22:38,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:22:38,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:22:38,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:22:38,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:22:38,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:22:38,957 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 06:22:38,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:22:38,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 06:22:38,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057889642] [2021-03-26 06:22:38,958 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 06:22:38,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:22:38,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 06:22:38,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-03-26 06:22:38,958 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 77 [2021-03-26 06:22:38,959 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 3529 transitions, 93452 flow. Second operand has 10 states, 10 states have (on average 16.1) internal successors, (161), 10 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:22:38,959 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:22:38,959 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 77 [2021-03-26 06:22:38,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:23:22,652 INFO L129 PetriNetUnfolder]: 17259/34340 cut-off events. [2021-03-26 06:23:22,652 INFO L130 PetriNetUnfolder]: For 2158730/2158754 co-relation queries the response was YES. [2021-03-26 06:23:23,448 INFO L84 FinitePrefix]: Finished finitePrefix Result has 424209 conditions, 34340 events. 17259/34340 cut-off events. For 2158730/2158754 co-relation queries the response was YES. Maximal size of possible extension queue 2630. Compared 361248 event pairs, 1059 based on Foata normal form. 328/34668 useless extension candidates. Maximal degree in co-relation 422993. Up to 9906 conditions per place. [2021-03-26 06:23:23,663 INFO L132 encePairwiseOnDemand]: 46/77 looper letters, 2656 selfloop transitions, 2062 changer transitions 5/4729 dead transitions. [2021-03-26 06:23:23,664 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 4729 transitions, 136269 flow [2021-03-26 06:23:23,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-26 06:23:23,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-26 06:23:23,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 472 transitions. [2021-03-26 06:23:23,665 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27863046044864226 [2021-03-26 06:23:23,665 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 472 transitions. [2021-03-26 06:23:23,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 472 transitions. [2021-03-26 06:23:23,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:23:23,665 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 472 transitions. [2021-03-26 06:23:23,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 21.454545454545453) internal successors, (472), 22 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:23:23,667 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 77.0) internal successors, (1771), 23 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:23:23,668 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 77.0) internal successors, (1771), 23 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:23:23,668 INFO L185 Difference]: Start difference. First operand has 270 places, 3529 transitions, 93452 flow. Second operand 22 states and 472 transitions. [2021-03-26 06:23:23,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 4729 transitions, 136269 flow [2021-03-26 06:23:54,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 4729 transitions, 131045 flow, removed 2513 selfloop flow, removed 5 redundant places. [2021-03-26 06:23:54,225 INFO L241 Difference]: Finished difference. Result has 303 places, 4058 transitions, 112509 flow [2021-03-26 06:23:54,228 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=90019, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3529, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1539, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1795, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=112509, PETRI_PLACES=303, PETRI_TRANSITIONS=4058} [2021-03-26 06:23:54,228 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 280 predicate places. [2021-03-26 06:23:54,228 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:23:54,228 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 303 places, 4058 transitions, 112509 flow [2021-03-26 06:23:54,228 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 303 places, 4058 transitions, 112509 flow [2021-03-26 06:23:54,280 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 303 places, 4058 transitions, 112509 flow [2021-03-26 06:24:14,236 INFO L129 PetriNetUnfolder]: 13444/29646 cut-off events. [2021-03-26 06:24:14,236 INFO L130 PetriNetUnfolder]: For 1907834/1915892 co-relation queries the response was YES. [2021-03-26 06:24:15,033 INFO L84 FinitePrefix]: Finished finitePrefix Result has 345738 conditions, 29646 events. 13444/29646 cut-off events. For 1907834/1915892 co-relation queries the response was YES. Maximal size of possible extension queue 2608. Compared 339260 event pairs, 752 based on Foata normal form. 3064/32253 useless extension candidates. Maximal degree in co-relation 344748. Up to 8337 conditions per place. [2021-03-26 06:24:15,576 INFO L142 LiptonReduction]: Number of co-enabled transitions 9024 [2021-03-26 06:24:18,771 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:24:18,771 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:24:18,771 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24543 [2021-03-26 06:24:18,772 INFO L480 AbstractCegarLoop]: Abstraction has has 303 places, 4058 transitions, 112509 flow [2021-03-26 06:24:18,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 16.1) internal successors, (161), 10 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:24:18,772 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:24:18,772 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:24:18,972 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-03-26 06:24:18,973 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:24:18,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:24:18,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1362437983, now seen corresponding path program 1 times [2021-03-26 06:24:18,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:24:18,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699942904] [2021-03-26 06:24:18,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:24:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:24:18,980 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:24:18,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:24:18,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:18,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:24:18,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:18,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:24:18,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:18,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:24:18,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:18,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:24:18,996 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:24:18,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699942904] [2021-03-26 06:24:18,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955978813] [2021-03-26 06:24:18,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:24:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:24:19,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 06:24:19,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:24:19,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:24:19,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:24:19,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:24:19,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:24:19,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:24:19,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:24:19,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:24:19,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:24:19,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:24:19,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:24:19,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:24:19,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:24:19,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:24:19,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:24:19,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:24:19,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:24:19,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:24:19,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:24:19,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:24:19,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:24:19,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:24:19,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:24:19,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:24:19,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:24:19,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:24:19,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:24:19,035 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 06:24:19,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:24:19,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:24:19,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:24:19,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:24:19,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:24:19,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:24:19,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:24:19,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:24:19,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:24:19,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:24:19,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:24:19,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:24:19,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:24:19,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:24:19,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:24:19,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:24:19,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:24:19,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:24:19,045 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-03-26 06:24:19,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:24:19,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:24:19,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:24:19,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:24:19,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:24:19,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:24:19,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:24:19,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:24:19,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:24:19,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:24:19,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:24:19,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:24:19,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:24:19,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:24:19,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:24:19,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:24:19,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:24:19,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:24:19,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:24:19,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:24:19,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:24:19,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:24:19,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:24:19,056 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:24:19,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:24:19,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 5 [2021-03-26 06:24:19,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893065536] [2021-03-26 06:24:19,056 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 06:24:19,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:24:19,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 06:24:19,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 06:24:19,057 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 77 [2021-03-26 06:24:19,057 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 4058 transitions, 112509 flow. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:24:19,057 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:24:19,057 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 77 [2021-03-26 06:24:19,057 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:25:34,662 INFO L129 PetriNetUnfolder]: 17259/35106 cut-off events. [2021-03-26 06:25:34,662 INFO L130 PetriNetUnfolder]: For 2114358/2114382 co-relation queries the response was YES. [2021-03-26 06:25:35,987 INFO L84 FinitePrefix]: Finished finitePrefix Result has 427593 conditions, 35106 events. 17259/35106 cut-off events. For 2114358/2114382 co-relation queries the response was YES. Maximal size of possible extension queue 2710. Compared 377842 event pairs, 2143 based on Foata normal form. 33/35139 useless extension candidates. Maximal degree in co-relation 425984. Up to 25354 conditions per place. [2021-03-26 06:25:36,256 INFO L132 encePairwiseOnDemand]: 69/77 looper letters, 4014 selfloop transitions, 56 changer transitions 24/4100 dead transitions. [2021-03-26 06:25:36,256 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 4100 transitions, 121837 flow [2021-03-26 06:25:36,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 06:25:36,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 06:25:36,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 136 transitions. [2021-03-26 06:25:36,257 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2943722943722944 [2021-03-26 06:25:36,257 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 136 transitions. [2021-03-26 06:25:36,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 136 transitions. [2021-03-26 06:25:36,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:25:36,257 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 136 transitions. [2021-03-26 06:25:36,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 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 06:25:36,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 77.0) internal successors, (539), 7 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 06:25:36,258 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 77.0) internal successors, (539), 7 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 06:25:36,258 INFO L185 Difference]: Start difference. First operand has 303 places, 4058 transitions, 112509 flow. Second operand 6 states and 136 transitions. [2021-03-26 06:25:36,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 4100 transitions, 121837 flow [2021-03-26 06:26:20,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 4100 transitions, 120821 flow, removed 501 selfloop flow, removed 3 redundant places. [2021-03-26 06:26:20,437 INFO L241 Difference]: Finished difference. Result has 307 places, 4050 transitions, 111423 flow [2021-03-26 06:26:20,439 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=111379, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4054, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3998, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=111423, PETRI_PLACES=307, PETRI_TRANSITIONS=4050} [2021-03-26 06:26:20,439 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 284 predicate places. [2021-03-26 06:26:20,440 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:26:20,440 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 307 places, 4050 transitions, 111423 flow [2021-03-26 06:26:20,440 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 307 places, 4050 transitions, 111423 flow [2021-03-26 06:26:20,486 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 304 places, 4050 transitions, 111423 flow [2021-03-26 06:26:43,361 INFO L129 PetriNetUnfolder]: 13494/29542 cut-off events. [2021-03-26 06:26:43,362 INFO L130 PetriNetUnfolder]: For 1959457/1968452 co-relation queries the response was YES. [2021-03-26 06:26:44,369 INFO L84 FinitePrefix]: Finished finitePrefix Result has 346714 conditions, 29542 events. 13494/29542 cut-off events. For 1959457/1968452 co-relation queries the response was YES. Maximal size of possible extension queue 2652. Compared 337181 event pairs, 751 based on Foata normal form. 3165/32231 useless extension candidates. Maximal degree in co-relation 345746. Up to 8338 conditions per place. [2021-03-26 06:26:44,967 INFO L142 LiptonReduction]: Number of co-enabled transitions 9000 [2021-03-26 06:26:47,383 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:26:47,383 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:26:47,384 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26944 [2021-03-26 06:26:47,384 INFO L480 AbstractCegarLoop]: Abstraction has has 304 places, 4050 transitions, 111423 flow [2021-03-26 06:26:47,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:26:47,384 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:26:47,385 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:26:47,585 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-03-26 06:26:47,585 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:26:47,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:26:47,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1614836082, now seen corresponding path program 10 times [2021-03-26 06:26:47,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:26:47,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178181191] [2021-03-26 06:26:47,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:26:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:26:47,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:26:47,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:26:47,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:26:47,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:26:47,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:26:47,608 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:26:47,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178181191] [2021-03-26 06:26:47,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512336128] [2021-03-26 06:26:47,608 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 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 06:26:47,628 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 06:26:47,628 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:26:47,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 06:26:47,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:26:47,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:26:47,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:26:47,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:26:47,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:26:47,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:26:47,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:26:47,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:26:47,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:26:47,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:26:47,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:26:47,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:26:47,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:26:47,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:26:47,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:26:47,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:26:47,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:26:47,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:26:47,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:26:47,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:26:47,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:26:47,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:26:47,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:26:47,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:26:47,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:26:47,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:26:47,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:26:47,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:26:47,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:26:47,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:26:47,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:26:47,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:26:47,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:26:47,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:26:47,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:26:47,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:26:47,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:26:47,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:26:47,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:26:47,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:26:47,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:26:47,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:26:47,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:26:47,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:26:47,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:26:47,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:26:47,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:26:47,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:26:47,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:26:47,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:26:47,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:26:47,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:26:47,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:26:47,665 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:26:47,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:26:47,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:26:47,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:26:47,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:26:47,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:26:47,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:26:47,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:26:47,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:26:47,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:26:47,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:26:47,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:26:47,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:26:47,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:26:47,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:26:47,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:26:47,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:26:47,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:26:47,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:26:47,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:26:47,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:26:47,673 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:26:47,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:26:47,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 5 [2021-03-26 06:26:47,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035929207] [2021-03-26 06:26:47,673 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 06:26:47,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:26:47,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 06:26:47,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 06:26:47,674 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 77 [2021-03-26 06:26:47,674 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 4050 transitions, 111423 flow. Second operand has 6 states, 6 states have (on average 56.833333333333336) internal successors, (341), 6 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:26:47,674 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:26:47,674 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 77 [2021-03-26 06:26:47,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:27:57,397 INFO L129 PetriNetUnfolder]: 15391/33473 cut-off events. [2021-03-26 06:27:57,397 INFO L130 PetriNetUnfolder]: For 2111992/2114076 co-relation queries the response was YES. [2021-03-26 06:27:58,594 INFO L84 FinitePrefix]: Finished finitePrefix Result has 408949 conditions, 33473 events. 15391/33473 cut-off events. For 2111992/2114076 co-relation queries the response was YES. Maximal size of possible extension queue 2778. Compared 382350 event pairs, 1002 based on Foata normal form. 644/33448 useless extension candidates. Maximal degree in co-relation 407895. Up to 10896 conditions per place. [2021-03-26 06:27:58,846 INFO L132 encePairwiseOnDemand]: 73/77 looper letters, 3402 selfloop transitions, 1131 changer transitions 10/5366 dead transitions. [2021-03-26 06:27:58,846 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 5366 transitions, 155957 flow [2021-03-26 06:27:58,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 06:27:58,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 06:27:58,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 361 transitions. [2021-03-26 06:27:58,847 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7813852813852814 [2021-03-26 06:27:58,847 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 361 transitions. [2021-03-26 06:27:58,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 361 transitions. [2021-03-26 06:27:58,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:27:58,848 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 361 transitions. [2021-03-26 06:27:58,848 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 60.166666666666664) internal successors, (361), 6 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 06:27:58,849 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 77.0) internal successors, (539), 7 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 06:27:58,849 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 77.0) internal successors, (539), 7 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 06:27:58,849 INFO L185 Difference]: Start difference. First operand has 304 places, 4050 transitions, 111423 flow. Second operand 6 states and 361 transitions. [2021-03-26 06:27:58,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 5366 transitions, 155957 flow [2021-03-26 06:28:41,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 5366 transitions, 155231 flow, removed 276 selfloop flow, removed 5 redundant places. [2021-03-26 06:28:41,157 INFO L241 Difference]: Finished difference. Result has 307 places, 4353 transitions, 123256 flow [2021-03-26 06:28:41,159 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=110696, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4044, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=835, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3073, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=123256, PETRI_PLACES=307, PETRI_TRANSITIONS=4353} [2021-03-26 06:28:41,159 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 284 predicate places. [2021-03-26 06:28:41,160 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:28:41,160 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 307 places, 4353 transitions, 123256 flow [2021-03-26 06:28:41,160 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 307 places, 4353 transitions, 123256 flow [2021-03-26 06:28:41,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 307 places, 4353 transitions, 123256 flow [2021-03-26 06:28:56,111 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([83] L46-->L47: Formula: (< v_l_2 v_p_3) InVars {p=v_p_3, l=v_l_2} OutVars{p=v_p_3, l=v_l_2} AuxVars[] AssignedVars[][3691], [Black: 496#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 8#thread1EXITtrue, 10#L63true, Black: 1792#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N)), Black: 1794#(and (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1796#(and (<= l i) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1798#(and (<= l i) (<= (+ k 1) N)), Black: 1538#(and (<= l i) (<= k (+ i 1))), Black: 1800#(and (< l N) (<= (+ k 1) N)), Black: 1508#(and (<= k i) (<= l i) (<= (+ l 1) N) (< k N)), Black: 1802#(and (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), 17#L34-1true, Black: 1540#(and (<= k i) (<= l (+ i 1)) (< k N)), Black: 1772#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1542#(and (<= k (+ i 1)) (<= (+ l 1) N)), Black: 1774#(and (<= l i) (< l N)), Black: 1711#true, Black: 1544#(and (<= k i) (<= l (+ i 1)) (<= (+ l 1) N) (< k N)), Black: 1716#(<= (+ k 1) N), Black: 1546#(and (<= k i) (<= (+ l 1) N)), Black: 1782#(and (<= (+ l 1) i) (< (+ l 1) N) (<= (+ k 1) N)), Black: 1514#(and (<= k i) (<= l i) (<= (+ l 1) N)), Black: 1548#(and (<= k i) (< k N)), Black: 1720#(<= l i), 24#L47true, Black: 1550#(and (<= k i) (<= (+ l 1) N) (< k N)), Black: 1786#(and (<= (+ l 1) i) (< (+ l 1) N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1455#(<= l i), Black: 1788#(and (<= l i) (< l N) (<= (+ k 1) N)), Black: 1520#(and (<= l i) (<= (+ l 1) N)), Black: 1756#(< l N), Black: 1460#(<= k i), Black: 1790#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1524#(and (<= l (+ i 1)) (<= k (+ i 1))), 1821#true, Black: 1528#(and (<= k i) (<= l i)), Black: 256#(and (< 0 N) (= csum (+ asum 1)) (<= i 1)), Black: 1530#(and (<= l (+ i 1)) (<= k (+ i 1)) (<= (+ l 1) N)), Black: 1532#(and (<= k i) (<= l i) (< k N)), Black: 1534#(and (<= k i) (<= l (+ i 1)) (<= (+ l 1) N)), Black: 283#(and (or (<= (+ N asum) csum) (<= (+ k asum) csum)) (= csum (+ asum 1)) (<= i 1) (< csum (+ N asum 1))), Black: 285#(and (< 0 N) (= csum (+ asum 1)) (<= N 1) (<= i 1)), Black: 1297#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), Black: 1040#(and (< 0 N) (<= l 1) (= i 0) (= (+ (select A 0) 1) csum) (= asum 0)), Black: 1320#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), 815#(and (<= N i) (<= k i)), 303#true, 51#(<= (+ l 1) N), Black: 48#true, Black: 770#(<= k i), Black: 821#(and (<= N (+ i 1)) (<= k (+ i 1))), Black: 50#(= i l), Black: 780#(<= k (+ i 1)), 62#(<= N i), Black: 69#(= p l), 592#(and (<= (+ l 1) i) (< l N)), Black: 76#(<= (+ i 1) N), 1879#(<= i k), 1626#(and (<= i (+ l 1)) (<= N (+ l 1))), Black: 1573#(<= i (+ l 1)), Black: 1575#(<= N l), Black: 608#(and (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1579#(<= i l), Black: 1628#(and (<= N l) (<= i l)), Black: 564#(< l N), Black: 1630#(and (<= i (+ l 1)) (<= N l)), Black: 598#(and (<= k i) (<= l i) (< l N)), Black: 600#(and (<= l i) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 602#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 586#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 588#(and (<= l i) (< l N)), 1386#(and (<= (+ l 1) k) (< l N)), Black: 604#(and (<= (+ k 1) N) (<= (+ k 1) i)), Black: 352#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 606#(and (<= k i) (< l N)), Black: 322#(and (= l i) (= l 0) (= (select C l) (+ (select A l) 1)) (<= k (+ l 1)) (= l asum) (< l N) (= i csum)), Black: 590#(and (<= k i) (<= (+ l 1) i) (< l N)), 1138#(and (<= p k) (<= (+ l 1) k)), Black: 1140#(and (<= N k) (<= p k) (<= (+ l 1) k)), Black: 1142#(and (<= N k) (<= p k) (<= l k)), Black: 1135#(and (<= p k) (<= l k)), 905#true, Black: 1878#(<= i (+ k 1)), Black: 1930#(and (<= (+ i 1) N) (<= i k)), Black: 100#(and (< 0 N) (= l 0) (= k 0) (<= i 1) (= csum 0) (= asum (select A 0))), Black: 1408#(and (<= (+ i p) (+ l k 1)) (< l N) (<= l k) (<= i k)), Black: 1410#(and (<= N k) (<= l k)), 662#true, Black: 1412#(and (<= N k) (<= l k) (<= i k)), Black: 1414#(and (<= l k) (<= i k)), Black: 1416#(and (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1384#(and (< l N) (<= l k)), Black: 1418#(and (< l N) (<= l k) (<= i k)), Black: 1324#true, Black: 1420#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1390#(and (<= (+ i p) (+ l k 1)) (<= (+ l 1) k) (< l N) (<= i k)), Black: 1422#(and (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), 1696#(and (<= N k) (<= i k)), Black: 1329#(<= i k), Black: 1330#(<= N k), Black: 1426#(and (< l N) (<= i k)), Black: 1396#(and (<= N k) (< l N)), Black: 1698#(and (<= N k) (<= i (+ k 1))), Black: 1334#(<= l k), Black: 1398#(and (<= N k) (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), Black: 1638#true, Black: 1400#(and (<= (+ l 1) k) (< l N) (<= i k)), Black: 1641#(<= i (+ k 1)), Black: 1643#(<= N k), Black: 1402#(and (<= N k) (< l N) (<= i k)), Black: 1694#(and (<= N (+ k 1)) (<= i (+ k 1))), Black: 1404#(and (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), Black: 1647#(<= i k), Black: 1406#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), 431#(and (<= N i) (<= (+ l 1) i)), Black: 384#(<= N i), Black: 433#(and (<= N i) (<= l i)), Black: 382#(<= (+ l 1) i), Black: 1186#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 383#(<= l i), Black: 1178#(and (= i asum) (= i 0) (<= k (+ i 1)) (= (+ asum (select A i) 1) csum) (< i N)), Black: 964#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), Black: 941#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), 456#true, Black: 205#(and (= l 0) (<= i (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), Black: 720#(and (= l i) (= (+ (select A i) 1) (select C i)) (= i asum) (= i 0) (<= (+ k asum (select A i)) (+ (select C l) i)) (= (+ i 1) p) (= i csum) (< i N)), Black: 722#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 724#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (<= N (+ csum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 712#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 219#true, 1510#(and (<= l i) (<= k (+ i 1)) (<= (+ l 1) N)), 1257#(and (<= l i) (<= N (+ i 1))), Black: 1216#(<= l i), Black: 1211#(<= l (+ i 1)), Black: 1259#(and (<= l (+ i 1)) (<= N (+ i 1))), 1008#true, 1778#(and (<= (+ l 1) i) (< l N))]) [2021-03-26 06:28:56,112 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2021-03-26 06:28:56,112 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-26 06:28:56,112 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-26 06:28:56,112 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-26 06:29:08,707 INFO L129 PetriNetUnfolder]: 14662/32826 cut-off events. [2021-03-26 06:29:08,707 INFO L130 PetriNetUnfolder]: For 2122453/2131531 co-relation queries the response was YES. [2021-03-26 06:29:09,959 INFO L84 FinitePrefix]: Finished finitePrefix Result has 386401 conditions, 32826 events. 14662/32826 cut-off events. For 2122453/2131531 co-relation queries the response was YES. Maximal size of possible extension queue 2898. Compared 385283 event pairs, 767 based on Foata normal form. 3348/35642 useless extension candidates. Maximal degree in co-relation 385436. Up to 9043 conditions per place. [2021-03-26 06:29:10,629 INFO L142 LiptonReduction]: Number of co-enabled transitions 9394 [2021-03-26 06:29:13,061 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:29:13,061 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:29:13,062 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 31902 [2021-03-26 06:29:13,062 INFO L480 AbstractCegarLoop]: Abstraction has has 307 places, 4353 transitions, 123256 flow [2021-03-26 06:29:13,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 56.833333333333336) internal successors, (341), 6 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:29:13,062 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:29:13,062 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:29:13,263 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:29:13,263 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:29:13,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:29:13,263 INFO L82 PathProgramCache]: Analyzing trace with hash 2051377096, now seen corresponding path program 1 times [2021-03-26 06:29:13,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:29:13,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945666555] [2021-03-26 06:29:13,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:29:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:29:13,274 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:29:13,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:29:13,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:29:13,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:29:13,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:29:13,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:29:13,294 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:29:13,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945666555] [2021-03-26 06:29:13,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333310712] [2021-03-26 06:29:13,295 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) [2021-03-26 06:29:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:29:13,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 06:29:13,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:29:13,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:29:13,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:29:13,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:29:13,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 06:29:13,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:29:13,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:29:13,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:29:13,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:29:13,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:29:13,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:29:13,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:29:13,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:29:13,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:29:13,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:29:13,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:29:13,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:29:13,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:29:13,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:29:13,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:29:13,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:29:13,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:29:13,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:29:13,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:29:13,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:29:13,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:29:13,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:29:13,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:29:13,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:29:13,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:29:13,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:29:13,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:29:13,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:29:13,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:29:13,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 06:29:13,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:29:13,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:29:13,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:29:13,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:29:13,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:29:13,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:29:13,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:29:13,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:29:13,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:29:13,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:29:13,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:29:13,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:29:13,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:29:13,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:29:13,361 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 06:29:13,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:29:13,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:29:13,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:29:13,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:29:13,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:29:13,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:29:13,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:29:13,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:29:13,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:29:13,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:29:13,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:29:13,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:29:13,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:29:13,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:29:13,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:29:13,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:29:13,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:29:13,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:29:13,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:29:13,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:29:13,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:29:13,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:29:13,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:29:13,373 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:29:13,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:29:13,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 5 [2021-03-26 06:29:13,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063904053] [2021-03-26 06:29:13,373 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 06:29:13,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:29:13,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 06:29:13,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 06:29:13,374 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 77 [2021-03-26 06:29:13,374 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 4353 transitions, 123256 flow. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:29:13,374 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:29:13,374 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 77 [2021-03-26 06:29:13,375 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:30:47,737 INFO L129 PetriNetUnfolder]: 22541/44958 cut-off events. [2021-03-26 06:30:47,738 INFO L130 PetriNetUnfolder]: For 2895891/2895893 co-relation queries the response was YES. [2021-03-26 06:30:49,001 INFO L84 FinitePrefix]: Finished finitePrefix Result has 558189 conditions, 44958 events. 22541/44958 cut-off events. For 2895891/2895893 co-relation queries the response was YES. Maximal size of possible extension queue 2761. Compared 474968 event pairs, 1069 based on Foata normal form. 2340/47298 useless extension candidates. Maximal degree in co-relation 556413. Up to 25466 conditions per place. [2021-03-26 06:30:49,238 INFO L132 encePairwiseOnDemand]: 52/77 looper letters, 4058 selfloop transitions, 402 changer transitions 458/4925 dead transitions. [2021-03-26 06:30:49,238 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 4925 transitions, 148249 flow [2021-03-26 06:30:49,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 06:30:49,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 06:30:49,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 157 transitions. [2021-03-26 06:30:49,239 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3398268398268398 [2021-03-26 06:30:49,239 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 157 transitions. [2021-03-26 06:30:49,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 157 transitions. [2021-03-26 06:30:49,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:30:49,239 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 157 transitions. [2021-03-26 06:30:49,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 26.166666666666668) internal successors, (157), 6 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 06:30:49,240 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 77.0) internal successors, (539), 7 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 06:30:49,240 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 77.0) internal successors, (539), 7 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 06:30:49,240 INFO L185 Difference]: Start difference. First operand has 307 places, 4353 transitions, 123256 flow. Second operand 6 states and 157 transitions. [2021-03-26 06:30:49,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 4925 transitions, 148249 flow [2021-03-26 06:31:55,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 4925 transitions, 146354 flow, removed 760 selfloop flow, removed 7 redundant places. [2021-03-26 06:31:55,447 INFO L241 Difference]: Finished difference. Result has 302 places, 4120 transitions, 115650 flow [2021-03-26 06:31:55,449 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=108557, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3892, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=97, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3505, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=115650, PETRI_PLACES=302, PETRI_TRANSITIONS=4120} [2021-03-26 06:31:55,450 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 279 predicate places. [2021-03-26 06:31:55,450 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:31:55,450 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 302 places, 4120 transitions, 115650 flow [2021-03-26 06:31:55,450 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 302 places, 4120 transitions, 115650 flow [2021-03-26 06:31:55,513 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 290 places, 4120 transitions, 115650 flow [2021-03-26 06:32:15,293 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([83] L46-->L47: Formula: (< v_l_2 v_p_3) InVars {p=v_p_3, l=v_l_2} OutVars{p=v_p_3, l=v_l_2} AuxVars[] AssignedVars[][2923], [Black: 496#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 8#thread1EXITtrue, 10#L63true, Black: 1792#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N)), Black: 1796#(and (<= l i) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1798#(and (<= l i) (<= (+ k 1) N)), Black: 1538#(and (<= l i) (<= k (+ i 1))), Black: 1508#(and (<= k i) (<= l i) (<= (+ l 1) N) (< k N)), 17#L34-1true, Black: 1540#(and (<= k i) (<= l (+ i 1)) (< k N)), Black: 1772#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1774#(and (<= l i) (< l N)), Black: 1542#(and (<= k (+ i 1)) (<= (+ l 1) N)), Black: 1711#true, Black: 1544#(and (<= k i) (<= l (+ i 1)) (<= (+ l 1) N) (< k N)), Black: 1716#(<= (+ k 1) N), Black: 1546#(and (<= k i) (<= (+ l 1) N)), Black: 1782#(and (<= (+ l 1) i) (< (+ l 1) N) (<= (+ k 1) N)), Black: 1514#(and (<= k i) (<= l i) (<= (+ l 1) N)), Black: 1548#(and (<= k i) (< k N)), 24#L47true, Black: 1720#(<= l i), Black: 1550#(and (<= k i) (<= (+ l 1) N) (< k N)), Black: 1786#(and (<= (+ l 1) i) (< (+ l 1) N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1455#(<= l i), Black: 1788#(and (<= l i) (< l N) (<= (+ k 1) N)), Black: 1520#(and (<= l i) (<= (+ l 1) N)), Black: 1756#(< l N), Black: 1460#(<= k i), Black: 1790#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), 1821#true, Black: 1524#(and (<= l (+ i 1)) (<= k (+ i 1))), Black: 1528#(and (<= k i) (<= l i)), Black: 1530#(and (<= l (+ i 1)) (<= k (+ i 1)) (<= (+ l 1) N)), Black: 1532#(and (<= k i) (<= l i) (< k N)), Black: 1534#(and (<= k i) (<= l (+ i 1)) (<= (+ l 1) N)), Black: 283#(and (or (<= (+ N asum) csum) (<= (+ k asum) csum)) (= csum (+ asum 1)) (<= i 1) (< csum (+ N asum 1))), Black: 285#(and (< 0 N) (= csum (+ asum 1)) (<= N 1) (<= i 1)), Black: 1297#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), Black: 1040#(and (< 0 N) (<= l 1) (= i 0) (= (+ (select A 0) 1) csum) (= asum 0)), Black: 1320#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), 815#(and (<= N i) (<= k i)), 303#true, 51#(<= (+ l 1) N), Black: 48#true, Black: 770#(<= k i), Black: 50#(= i l), Black: 821#(and (<= N (+ i 1)) (<= k (+ i 1))), Black: 780#(<= k (+ i 1)), 62#(<= N i), Black: 69#(= p l), 592#(and (<= (+ l 1) i) (< l N)), Black: 76#(<= (+ i 1) N), 1879#(<= i k), 1626#(and (<= i (+ l 1)) (<= N (+ l 1))), Black: 1573#(<= i (+ l 1)), Black: 1575#(<= N l), Black: 608#(and (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1579#(<= i l), Black: 1628#(and (<= N l) (<= i l)), Black: 564#(< l N), Black: 1630#(and (<= i (+ l 1)) (<= N l)), Black: 598#(and (<= k i) (<= l i) (< l N)), Black: 600#(and (<= l i) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 602#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 586#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 588#(and (<= l i) (< l N)), 1386#(and (<= (+ l 1) k) (< l N)), Black: 604#(and (<= (+ k 1) N) (<= (+ k 1) i)), Black: 352#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 322#(and (= l i) (= l 0) (= (select C l) (+ (select A l) 1)) (<= k (+ l 1)) (= l asum) (< l N) (= i csum)), Black: 606#(and (<= k i) (< l N)), Black: 590#(and (<= k i) (<= (+ l 1) i) (< l N)), 1138#(and (<= p k) (<= (+ l 1) k)), Black: 1140#(and (<= N k) (<= p k) (<= (+ l 1) k)), Black: 1142#(and (<= N k) (<= p k) (<= l k)), Black: 1135#(and (<= p k) (<= l k)), Black: 1878#(<= i (+ k 1)), Black: 1930#(and (<= (+ i 1) N) (<= i k)), 1935#true, Black: 100#(and (< 0 N) (= l 0) (= k 0) (<= i 1) (= csum 0) (= asum (select A 0))), Black: 1408#(and (<= (+ i p) (+ l k 1)) (< l N) (<= l k) (<= i k)), Black: 1410#(and (<= N k) (<= l k)), 662#true, Black: 1412#(and (<= N k) (<= l k) (<= i k)), Black: 1414#(and (<= l k) (<= i k)), Black: 1416#(and (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1384#(and (< l N) (<= l k)), Black: 1418#(and (< l N) (<= l k) (<= i k)), Black: 1324#true, Black: 1420#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1390#(and (<= (+ i p) (+ l k 1)) (<= (+ l 1) k) (< l N) (<= i k)), Black: 1422#(and (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), 1696#(and (<= N k) (<= i k)), Black: 1329#(<= i k), Black: 1330#(<= N k), Black: 1426#(and (< l N) (<= i k)), Black: 1396#(and (<= N k) (< l N)), Black: 1698#(and (<= N k) (<= i (+ k 1))), Black: 1334#(<= l k), Black: 1398#(and (<= N k) (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), Black: 1638#true, Black: 1641#(<= i (+ k 1)), Black: 1400#(and (<= (+ l 1) k) (< l N) (<= i k)), Black: 1402#(and (<= N k) (< l N) (<= i k)), Black: 1694#(and (<= N (+ k 1)) (<= i (+ k 1))), Black: 1404#(and (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), Black: 1406#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), Black: 1647#(<= i k), 431#(and (<= N i) (<= (+ l 1) i)), Black: 384#(<= N i), Black: 433#(and (<= N i) (<= l i)), Black: 1186#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 382#(<= (+ l 1) i), Black: 383#(<= l i), Black: 1178#(and (= i asum) (= i 0) (<= k (+ i 1)) (= (+ asum (select A i) 1) csum) (< i N)), Black: 964#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), Black: 941#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), 456#true, Black: 1939#(<= p (+ l 1)), Black: 1940#(<= p l), Black: 205#(and (= l 0) (<= i (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), Black: 720#(and (= l i) (= (+ (select A i) 1) (select C i)) (= i asum) (= i 0) (<= (+ k asum (select A i)) (+ (select C l) i)) (= (+ i 1) p) (= i csum) (< i N)), Black: 722#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 724#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (<= N (+ csum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 712#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 219#true, 1510#(and (<= l i) (<= k (+ i 1)) (<= (+ l 1) N)), 1257#(and (<= l i) (<= N (+ i 1))), Black: 1216#(<= l i), Black: 1211#(<= l (+ i 1)), Black: 1259#(and (<= l (+ i 1)) (<= N (+ i 1))), 1008#true, 1778#(and (<= (+ l 1) i) (< l N))]) [2021-03-26 06:32:15,294 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2021-03-26 06:32:15,294 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-26 06:32:15,294 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-26 06:32:15,294 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-26 06:32:15,294 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([84] L46-->L46-1: Formula: (not (< v_l_6 v_p_4)) InVars {p=v_p_4, l=v_l_6} OutVars{p=v_p_4, l=v_l_6} AuxVars[] AssignedVars[][313], [Black: 496#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 8#thread1EXITtrue, 10#L63true, Black: 1792#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N)), Black: 1796#(and (<= l i) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1798#(and (<= l i) (<= (+ k 1) N)), 15#L46-1true, Black: 1538#(and (<= l i) (<= k (+ i 1))), Black: 1508#(and (<= k i) (<= l i) (<= (+ l 1) N) (< k N)), 17#L34-1true, Black: 1540#(and (<= k i) (<= l (+ i 1)) (< k N)), Black: 1772#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1774#(and (<= l i) (< l N)), Black: 1542#(and (<= k (+ i 1)) (<= (+ l 1) N)), Black: 1711#true, Black: 1544#(and (<= k i) (<= l (+ i 1)) (<= (+ l 1) N) (< k N)), Black: 1716#(<= (+ k 1) N), Black: 1546#(and (<= k i) (<= (+ l 1) N)), Black: 1782#(and (<= (+ l 1) i) (< (+ l 1) N) (<= (+ k 1) N)), Black: 1514#(and (<= k i) (<= l i) (<= (+ l 1) N)), Black: 1548#(and (<= k i) (< k N)), Black: 1720#(<= l i), Black: 1550#(and (<= k i) (<= (+ l 1) N) (< k N)), Black: 1786#(and (<= (+ l 1) i) (< (+ l 1) N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1455#(<= l i), Black: 1788#(and (<= l i) (< l N) (<= (+ k 1) N)), Black: 1520#(and (<= l i) (<= (+ l 1) N)), Black: 1756#(< l N), Black: 1460#(<= k i), Black: 1790#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), 1821#true, Black: 1524#(and (<= l (+ i 1)) (<= k (+ i 1))), Black: 1528#(and (<= k i) (<= l i)), Black: 1530#(and (<= l (+ i 1)) (<= k (+ i 1)) (<= (+ l 1) N)), Black: 1532#(and (<= k i) (<= l i) (< k N)), Black: 1534#(and (<= k i) (<= l (+ i 1)) (<= (+ l 1) N)), Black: 283#(and (or (<= (+ N asum) csum) (<= (+ k asum) csum)) (= csum (+ asum 1)) (<= i 1) (< csum (+ N asum 1))), Black: 285#(and (< 0 N) (= csum (+ asum 1)) (<= N 1) (<= i 1)), Black: 1297#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), Black: 1040#(and (< 0 N) (<= l 1) (= i 0) (= (+ (select A 0) 1) csum) (= asum 0)), Black: 1320#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), 815#(and (<= N i) (<= k i)), 303#true, 51#(<= (+ l 1) N), Black: 48#true, Black: 770#(<= k i), Black: 50#(= i l), Black: 821#(and (<= N (+ i 1)) (<= k (+ i 1))), Black: 780#(<= k (+ i 1)), 62#(<= N i), Black: 69#(= p l), 592#(and (<= (+ l 1) i) (< l N)), Black: 76#(<= (+ i 1) N), 1879#(<= i k), 1626#(and (<= i (+ l 1)) (<= N (+ l 1))), Black: 1573#(<= i (+ l 1)), Black: 1575#(<= N l), Black: 608#(and (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1579#(<= i l), Black: 1628#(and (<= N l) (<= i l)), Black: 564#(< l N), Black: 1630#(and (<= i (+ l 1)) (<= N l)), Black: 598#(and (<= k i) (<= l i) (< l N)), Black: 600#(and (<= l i) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 602#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 586#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 588#(and (<= l i) (< l N)), 1386#(and (<= (+ l 1) k) (< l N)), Black: 604#(and (<= (+ k 1) N) (<= (+ k 1) i)), Black: 352#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 322#(and (= l i) (= l 0) (= (select C l) (+ (select A l) 1)) (<= k (+ l 1)) (= l asum) (< l N) (= i csum)), Black: 606#(and (<= k i) (< l N)), Black: 590#(and (<= k i) (<= (+ l 1) i) (< l N)), 1138#(and (<= p k) (<= (+ l 1) k)), Black: 1140#(and (<= N k) (<= p k) (<= (+ l 1) k)), Black: 1142#(and (<= N k) (<= p k) (<= l k)), Black: 1135#(and (<= p k) (<= l k)), Black: 1878#(<= i (+ k 1)), Black: 1930#(and (<= (+ i 1) N) (<= i k)), Black: 100#(and (< 0 N) (= l 0) (= k 0) (<= i 1) (= csum 0) (= asum (select A 0))), 1940#(<= p l), Black: 1408#(and (<= (+ i p) (+ l k 1)) (< l N) (<= l k) (<= i k)), Black: 1410#(and (<= N k) (<= l k)), 662#true, Black: 1412#(and (<= N k) (<= l k) (<= i k)), Black: 1414#(and (<= l k) (<= i k)), Black: 1416#(and (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1384#(and (< l N) (<= l k)), Black: 1418#(and (< l N) (<= l k) (<= i k)), Black: 1324#true, Black: 1420#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1390#(and (<= (+ i p) (+ l k 1)) (<= (+ l 1) k) (< l N) (<= i k)), Black: 1422#(and (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), 1696#(and (<= N k) (<= i k)), Black: 1329#(<= i k), Black: 1330#(<= N k), Black: 1426#(and (< l N) (<= i k)), Black: 1396#(and (<= N k) (< l N)), Black: 1698#(and (<= N k) (<= i (+ k 1))), Black: 1334#(<= l k), Black: 1398#(and (<= N k) (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), Black: 1638#true, Black: 1641#(<= i (+ k 1)), Black: 1400#(and (<= (+ l 1) k) (< l N) (<= i k)), Black: 1402#(and (<= N k) (< l N) (<= i k)), Black: 1694#(and (<= N (+ k 1)) (<= i (+ k 1))), Black: 1404#(and (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), Black: 1406#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), Black: 1647#(<= i k), 431#(and (<= N i) (<= (+ l 1) i)), Black: 384#(<= N i), Black: 433#(and (<= N i) (<= l i)), Black: 1186#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 382#(<= (+ l 1) i), Black: 383#(<= l i), Black: 1178#(and (= i asum) (= i 0) (<= k (+ i 1)) (= (+ asum (select A i) 1) csum) (< i N)), Black: 964#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), Black: 941#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), 456#true, Black: 1939#(<= p (+ l 1)), Black: 1935#true, Black: 205#(and (= l 0) (<= i (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), Black: 720#(and (= l i) (= (+ (select A i) 1) (select C i)) (= i asum) (= i 0) (<= (+ k asum (select A i)) (+ (select C l) i)) (= (+ i 1) p) (= i csum) (< i N)), Black: 722#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 724#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (<= N (+ csum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 712#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 219#true, 1510#(and (<= l i) (<= k (+ i 1)) (<= (+ l 1) N)), 1257#(and (<= l i) (<= N (+ i 1))), Black: 1216#(<= l i), Black: 1211#(<= l (+ i 1)), Black: 1259#(and (<= l (+ i 1)) (<= N (+ i 1))), 1008#true, 1778#(and (<= (+ l 1) i) (< l N))]) [2021-03-26 06:32:15,294 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2021-03-26 06:32:15,294 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-26 06:32:15,294 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-26 06:32:15,294 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-26 06:32:19,300 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([84] L46-->L46-1: Formula: (not (< v_l_6 v_p_4)) InVars {p=v_p_4, l=v_l_6} OutVars{p=v_p_4, l=v_l_6} AuxVars[] AssignedVars[][313], [Black: 496#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 7#thread2EXITtrue, 8#thread1EXITtrue, 10#L63true, Black: 1792#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N)), Black: 1796#(and (<= l i) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1798#(and (<= l i) (<= (+ k 1) N)), 15#L46-1true, Black: 1538#(and (<= l i) (<= k (+ i 1))), Black: 1508#(and (<= k i) (<= l i) (<= (+ l 1) N) (< k N)), Black: 1540#(and (<= k i) (<= l (+ i 1)) (< k N)), Black: 1772#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1774#(and (<= l i) (< l N)), Black: 1542#(and (<= k (+ i 1)) (<= (+ l 1) N)), Black: 1711#true, Black: 1544#(and (<= k i) (<= l (+ i 1)) (<= (+ l 1) N) (< k N)), Black: 1716#(<= (+ k 1) N), Black: 1546#(and (<= k i) (<= (+ l 1) N)), Black: 1782#(and (<= (+ l 1) i) (< (+ l 1) N) (<= (+ k 1) N)), Black: 1514#(and (<= k i) (<= l i) (<= (+ l 1) N)), Black: 1548#(and (<= k i) (< k N)), Black: 1720#(<= l i), Black: 1550#(and (<= k i) (<= (+ l 1) N) (< k N)), Black: 1786#(and (<= (+ l 1) i) (< (+ l 1) N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1455#(<= l i), Black: 1788#(and (<= l i) (< l N) (<= (+ k 1) N)), Black: 1520#(and (<= l i) (<= (+ l 1) N)), Black: 1756#(< l N), Black: 1460#(<= k i), Black: 1790#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), 1821#true, Black: 1524#(and (<= l (+ i 1)) (<= k (+ i 1))), Black: 1528#(and (<= k i) (<= l i)), Black: 1530#(and (<= l (+ i 1)) (<= k (+ i 1)) (<= (+ l 1) N)), Black: 1532#(and (<= k i) (<= l i) (< k N)), Black: 1534#(and (<= k i) (<= l (+ i 1)) (<= (+ l 1) N)), Black: 283#(and (or (<= (+ N asum) csum) (<= (+ k asum) csum)) (= csum (+ asum 1)) (<= i 1) (< csum (+ N asum 1))), Black: 285#(and (< 0 N) (= csum (+ asum 1)) (<= N 1) (<= i 1)), Black: 1297#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), Black: 1040#(and (< 0 N) (<= l 1) (= i 0) (= (+ (select A 0) 1) csum) (= asum 0)), Black: 1320#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), 815#(and (<= N i) (<= k i)), 303#true, 51#(<= (+ l 1) N), Black: 48#true, Black: 770#(<= k i), Black: 821#(and (<= N (+ i 1)) (<= k (+ i 1))), Black: 50#(= i l), Black: 780#(<= k (+ i 1)), 62#(<= N i), Black: 69#(= p l), 592#(and (<= (+ l 1) i) (< l N)), Black: 76#(<= (+ i 1) N), 1879#(<= i k), 1626#(and (<= i (+ l 1)) (<= N (+ l 1))), Black: 1573#(<= i (+ l 1)), Black: 1575#(<= N l), Black: 608#(and (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1579#(<= i l), Black: 1628#(and (<= N l) (<= i l)), Black: 564#(< l N), Black: 1630#(and (<= i (+ l 1)) (<= N l)), Black: 598#(and (<= k i) (<= l i) (< l N)), Black: 600#(and (<= l i) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 602#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 586#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 588#(and (<= l i) (< l N)), Black: 352#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 604#(and (<= (+ k 1) N) (<= (+ k 1) i)), Black: 322#(and (= l i) (= l 0) (= (select C l) (+ (select A l) 1)) (<= k (+ l 1)) (= l asum) (< l N) (= i csum)), Black: 606#(and (<= k i) (< l N)), Black: 590#(and (<= k i) (<= (+ l 1) i) (< l N)), 1140#(and (<= N k) (<= p k) (<= (+ l 1) k)), 1396#(and (<= N k) (< l N)), Black: 1138#(and (<= p k) (<= (+ l 1) k)), Black: 1142#(and (<= N k) (<= p k) (<= l k)), Black: 1135#(and (<= p k) (<= l k)), Black: 1878#(<= i (+ k 1)), Black: 1930#(and (<= (+ i 1) N) (<= i k)), Black: 100#(and (< 0 N) (= l 0) (= k 0) (<= i 1) (= csum 0) (= asum (select A 0))), Black: 1408#(and (<= (+ i p) (+ l k 1)) (< l N) (<= l k) (<= i k)), 1940#(<= p l), Black: 1410#(and (<= N k) (<= l k)), Black: 1412#(and (<= N k) (<= l k) (<= i k)), 662#true, Black: 1414#(and (<= l k) (<= i k)), Black: 1416#(and (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1384#(and (< l N) (<= l k)), Black: 1418#(and (< l N) (<= l k) (<= i k)), Black: 1386#(and (<= (+ l 1) k) (< l N)), Black: 1324#true, Black: 1420#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1390#(and (<= (+ i p) (+ l k 1)) (<= (+ l 1) k) (< l N) (<= i k)), Black: 1422#(and (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), 1696#(and (<= N k) (<= i k)), Black: 1329#(<= i k), Black: 1330#(<= N k), Black: 1426#(and (< l N) (<= i k)), Black: 1698#(and (<= N k) (<= i (+ k 1))), Black: 1334#(<= l k), Black: 1398#(and (<= N k) (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), Black: 1638#true, Black: 1400#(and (<= (+ l 1) k) (< l N) (<= i k)), Black: 1641#(<= i (+ k 1)), Black: 1402#(and (<= N k) (< l N) (<= i k)), Black: 1694#(and (<= N (+ k 1)) (<= i (+ k 1))), Black: 1404#(and (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), Black: 1406#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), Black: 1647#(<= i k), 431#(and (<= N i) (<= (+ l 1) i)), Black: 384#(<= N i), Black: 433#(and (<= N i) (<= l i)), Black: 1186#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 382#(<= (+ l 1) i), Black: 383#(<= l i), Black: 1178#(and (= i asum) (= i 0) (<= k (+ i 1)) (= (+ asum (select A i) 1) csum) (< i N)), Black: 964#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), Black: 941#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), 456#true, Black: 1939#(<= p (+ l 1)), Black: 1935#true, Black: 205#(and (= l 0) (<= i (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), Black: 720#(and (= l i) (= (+ (select A i) 1) (select C i)) (= i asum) (= i 0) (<= (+ k asum (select A i)) (+ (select C l) i)) (= (+ i 1) p) (= i csum) (< i N)), Black: 722#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 724#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (<= N (+ csum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 712#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 219#true, 1510#(and (<= l i) (<= k (+ i 1)) (<= (+ l 1) N)), 1257#(and (<= l i) (<= N (+ i 1))), Black: 1216#(<= l i), Black: 1211#(<= l (+ i 1)), Black: 1259#(and (<= l (+ i 1)) (<= N (+ i 1))), 1008#true, 1778#(and (<= (+ l 1) i) (< l N))]) [2021-03-26 06:32:19,300 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-03-26 06:32:19,300 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-03-26 06:32:19,300 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-26 06:32:19,300 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-03-26 06:32:21,775 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([84] L46-->L46-1: Formula: (not (< v_l_6 v_p_4)) InVars {p=v_p_4, l=v_l_6} OutVars{p=v_p_4, l=v_l_6} AuxVars[] AssignedVars[][313], [Black: 496#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 7#thread2EXITtrue, 8#thread1EXITtrue, 10#L63true, Black: 1792#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N)), Black: 1796#(and (<= l i) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1798#(and (<= l i) (<= (+ k 1) N)), 15#L46-1true, Black: 1538#(and (<= l i) (<= k (+ i 1))), Black: 1508#(and (<= k i) (<= l i) (<= (+ l 1) N) (< k N)), Black: 1540#(and (<= k i) (<= l (+ i 1)) (< k N)), Black: 1772#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1542#(and (<= k (+ i 1)) (<= (+ l 1) N)), Black: 1774#(and (<= l i) (< l N)), Black: 1711#true, Black: 1544#(and (<= k i) (<= l (+ i 1)) (<= (+ l 1) N) (< k N)), Black: 1716#(<= (+ k 1) N), Black: 1546#(and (<= k i) (<= (+ l 1) N)), Black: 1782#(and (<= (+ l 1) i) (< (+ l 1) N) (<= (+ k 1) N)), Black: 1514#(and (<= k i) (<= l i) (<= (+ l 1) N)), Black: 1720#(<= l i), Black: 1548#(and (<= k i) (< k N)), Black: 1550#(and (<= k i) (<= (+ l 1) N) (< k N)), Black: 1786#(and (<= (+ l 1) i) (< (+ l 1) N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1455#(<= l i), Black: 1788#(and (<= l i) (< l N) (<= (+ k 1) N)), Black: 1520#(and (<= l i) (<= (+ l 1) N)), Black: 1756#(< l N), Black: 1460#(<= k i), Black: 1790#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1524#(and (<= l (+ i 1)) (<= k (+ i 1))), 1821#true, Black: 1528#(and (<= k i) (<= l i)), Black: 1530#(and (<= l (+ i 1)) (<= k (+ i 1)) (<= (+ l 1) N)), Black: 1532#(and (<= k i) (<= l i) (< k N)), Black: 1534#(and (<= k i) (<= l (+ i 1)) (<= (+ l 1) N)), Black: 283#(and (or (<= (+ N asum) csum) (<= (+ k asum) csum)) (= csum (+ asum 1)) (<= i 1) (< csum (+ N asum 1))), 1570#true, Black: 285#(and (< 0 N) (= csum (+ asum 1)) (<= N 1) (<= i 1)), Black: 1297#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), Black: 1040#(and (< 0 N) (<= l 1) (= i 0) (= (+ (select A 0) 1) csum) (= asum 0)), Black: 1320#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), 303#true, 815#(and (<= N i) (<= k i)), 51#(<= (+ l 1) N), Black: 48#true, Black: 770#(<= k i), Black: 821#(and (<= N (+ i 1)) (<= k (+ i 1))), Black: 50#(= i l), Black: 780#(<= k (+ i 1)), 62#(<= N i), Black: 69#(= p l), 592#(and (<= (+ l 1) i) (< l N)), Black: 76#(<= (+ i 1) N), 1879#(<= i k), Black: 1573#(<= i (+ l 1)), Black: 1575#(<= N l), Black: 1626#(and (<= i (+ l 1)) (<= N (+ l 1))), Black: 608#(and (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1579#(<= i l), Black: 1628#(and (<= N l) (<= i l)), Black: 564#(< l N), Black: 1630#(and (<= i (+ l 1)) (<= N l)), Black: 598#(and (<= k i) (<= l i) (< l N)), Black: 600#(and (<= l i) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 602#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 586#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 588#(and (<= l i) (< l N)), Black: 604#(and (<= (+ k 1) N) (<= (+ k 1) i)), Black: 352#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 606#(and (<= k i) (< l N)), Black: 322#(and (= l i) (= l 0) (= (select C l) (+ (select A l) 1)) (<= k (+ l 1)) (= l asum) (< l N) (= i csum)), Black: 590#(and (<= k i) (<= (+ l 1) i) (< l N)), 1396#(and (<= N k) (< l N)), 1140#(and (<= N k) (<= p k) (<= (+ l 1) k)), Black: 1138#(and (<= p k) (<= (+ l 1) k)), Black: 1142#(and (<= N k) (<= p k) (<= l k)), Black: 1135#(and (<= p k) (<= l k)), Black: 1878#(<= i (+ k 1)), Black: 1930#(and (<= (+ i 1) N) (<= i k)), Black: 100#(and (< 0 N) (= l 0) (= k 0) (<= i 1) (= csum 0) (= asum (select A 0))), 1940#(<= p l), Black: 1408#(and (<= (+ i p) (+ l k 1)) (< l N) (<= l k) (<= i k)), Black: 1410#(and (<= N k) (<= l k)), Black: 1412#(and (<= N k) (<= l k) (<= i k)), 662#true, Black: 1414#(and (<= l k) (<= i k)), Black: 1416#(and (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1384#(and (< l N) (<= l k)), Black: 1418#(and (< l N) (<= l k) (<= i k)), Black: 1386#(and (<= (+ l 1) k) (< l N)), Black: 1324#true, Black: 1420#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1390#(and (<= (+ i p) (+ l k 1)) (<= (+ l 1) k) (< l N) (<= i k)), Black: 1422#(and (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), 1696#(and (<= N k) (<= i k)), Black: 1329#(<= i k), Black: 1330#(<= N k), Black: 1426#(and (< l N) (<= i k)), Black: 1334#(<= l k), Black: 1698#(and (<= N k) (<= i (+ k 1))), Black: 1638#true, Black: 1398#(and (<= N k) (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), Black: 1400#(and (<= (+ l 1) k) (< l N) (<= i k)), Black: 1641#(<= i (+ k 1)), Black: 1402#(and (<= N k) (< l N) (<= i k)), Black: 1404#(and (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), Black: 1694#(and (<= N (+ k 1)) (<= i (+ k 1))), Black: 1647#(<= i k), Black: 1406#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), 431#(and (<= N i) (<= (+ l 1) i)), Black: 384#(<= N i), Black: 433#(and (<= N i) (<= l i)), Black: 1186#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 382#(<= (+ l 1) i), Black: 383#(<= l i), Black: 1178#(and (= i asum) (= i 0) (<= k (+ i 1)) (= (+ asum (select A i) 1) csum) (< i N)), Black: 964#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), Black: 941#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), 456#true, Black: 1939#(<= p (+ l 1)), Black: 1935#true, Black: 205#(and (= l 0) (<= i (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), Black: 720#(and (= l i) (= (+ (select A i) 1) (select C i)) (= i asum) (= i 0) (<= (+ k asum (select A i)) (+ (select C l) i)) (= (+ i 1) p) (= i csum) (< i N)), Black: 722#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 724#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (<= N (+ csum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 712#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 219#true, 1510#(and (<= l i) (<= k (+ i 1)) (<= (+ l 1) N)), 1257#(and (<= l i) (<= N (+ i 1))), Black: 1216#(<= l i), Black: 1211#(<= l (+ i 1)), Black: 1259#(and (<= l (+ i 1)) (<= N (+ i 1))), 1008#true, 1778#(and (<= (+ l 1) i) (< l N))]) [2021-03-26 06:32:21,776 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-03-26 06:32:21,776 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-03-26 06:32:21,776 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-03-26 06:32:21,776 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-26 06:32:26,226 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([84] L46-->L46-1: Formula: (not (< v_l_6 v_p_4)) InVars {p=v_p_4, l=v_l_6} OutVars{p=v_p_4, l=v_l_6} AuxVars[] AssignedVars[][313], [Black: 496#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 7#thread2EXITtrue, 10#L63true, Black: 1792#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N)), Black: 1796#(and (<= l i) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1798#(and (<= l i) (<= (+ k 1) N)), 15#L46-1true, Black: 1538#(and (<= l i) (<= k (+ i 1))), Black: 1508#(and (<= k i) (<= l i) (<= (+ l 1) N) (< k N)), Black: 1540#(and (<= k i) (<= l (+ i 1)) (< k N)), Black: 1772#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1542#(and (<= k (+ i 1)) (<= (+ l 1) N)), Black: 1774#(and (<= l i) (< l N)), Black: 1711#true, Black: 1544#(and (<= k i) (<= l (+ i 1)) (<= (+ l 1) N) (< k N)), Black: 1778#(and (<= (+ l 1) i) (< l N)), Black: 1546#(and (<= k i) (<= (+ l 1) N)), Black: 1716#(<= (+ k 1) N), Black: 1782#(and (<= (+ l 1) i) (< (+ l 1) N) (<= (+ k 1) N)), 23#L23-1true, Black: 1514#(and (<= k i) (<= l i) (<= (+ l 1) N)), Black: 1548#(and (<= k i) (< k N)), Black: 1720#(<= l i), Black: 1550#(and (<= k i) (<= (+ l 1) N) (< k N)), Black: 1786#(and (<= (+ l 1) i) (< (+ l 1) N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1455#(<= l i), Black: 1788#(and (<= l i) (< l N) (<= (+ k 1) N)), Black: 1520#(and (<= l i) (<= (+ l 1) N)), Black: 1756#(< l N), Black: 1460#(<= k i), Black: 1790#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1524#(and (<= l (+ i 1)) (<= k (+ i 1))), 1821#true, Black: 1528#(and (<= k i) (<= l i)), Black: 1530#(and (<= l (+ i 1)) (<= k (+ i 1)) (<= (+ l 1) N)), Black: 1532#(and (<= k i) (<= l i) (< k N)), Black: 1534#(and (<= k i) (<= l (+ i 1)) (<= (+ l 1) N)), 1570#true, Black: 283#(and (or (<= (+ N asum) csum) (<= (+ k asum) csum)) (= csum (+ asum 1)) (<= i 1) (< csum (+ N asum 1))), Black: 285#(and (< 0 N) (= csum (+ asum 1)) (<= N 1) (<= i 1)), Black: 1297#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), Black: 1040#(and (< 0 N) (<= l 1) (= i 0) (= (+ (select A 0) 1) csum) (= asum 0)), Black: 1320#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), 303#true, 51#(<= (+ l 1) N), 821#(and (<= N (+ i 1)) (<= k (+ i 1))), Black: 48#true, Black: 770#(<= k i), Black: 50#(= i l), Black: 780#(<= k (+ i 1)), Black: 815#(and (<= N i) (<= k i)), 59#true, Black: 69#(= p l), 590#(and (<= k i) (<= (+ l 1) i) (< l N)), Black: 76#(<= (+ i 1) N), 1879#(<= i k), Black: 1573#(<= i (+ l 1)), Black: 1575#(<= N l), Black: 1626#(and (<= i (+ l 1)) (<= N (+ l 1))), Black: 608#(and (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 592#(and (<= (+ l 1) i) (< l N)), Black: 1579#(<= i l), Black: 1628#(and (<= N l) (<= i l)), Black: 564#(< l N), Black: 1630#(and (<= i (+ l 1)) (<= N l)), Black: 598#(and (<= k i) (<= l i) (< l N)), Black: 600#(and (<= l i) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 602#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 586#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 588#(and (<= l i) (< l N)), Black: 604#(and (<= (+ k 1) N) (<= (+ k 1) i)), Black: 352#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 322#(and (= l i) (= l 0) (= (select C l) (+ (select A l) 1)) (<= k (+ l 1)) (= l asum) (< l N) (= i csum)), Black: 606#(and (<= k i) (< l N)), 1396#(and (<= N k) (< l N)), 1140#(and (<= N k) (<= p k) (<= (+ l 1) k)), Black: 1138#(and (<= p k) (<= (+ l 1) k)), Black: 1142#(and (<= N k) (<= p k) (<= l k)), Black: 1135#(and (<= p k) (<= l k)), 382#(<= (+ l 1) i), Black: 1878#(<= i (+ k 1)), Black: 1930#(and (<= (+ i 1) N) (<= i k)), Black: 100#(and (< 0 N) (= l 0) (= k 0) (<= i 1) (= csum 0) (= asum (select A 0))), Black: 1408#(and (<= (+ i p) (+ l k 1)) (< l N) (<= l k) (<= i k)), 1940#(<= p l), Black: 1410#(and (<= N k) (<= l k)), Black: 1412#(and (<= N k) (<= l k) (<= i k)), 662#true, Black: 1414#(and (<= l k) (<= i k)), Black: 1416#(and (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1384#(and (< l N) (<= l k)), Black: 1418#(and (< l N) (<= l k) (<= i k)), Black: 1386#(and (<= (+ l 1) k) (< l N)), Black: 1324#true, Black: 1420#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1390#(and (<= (+ i p) (+ l k 1)) (<= (+ l 1) k) (< l N) (<= i k)), Black: 1422#(and (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), 1696#(and (<= N k) (<= i k)), Black: 1329#(<= i k), Black: 1330#(<= N k), Black: 1426#(and (< l N) (<= i k)), Black: 1698#(and (<= N k) (<= i (+ k 1))), Black: 1334#(<= l k), Black: 1398#(and (<= N k) (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), Black: 1638#true, Black: 1641#(<= i (+ k 1)), Black: 1400#(and (<= (+ l 1) k) (< l N) (<= i k)), Black: 1402#(and (<= N k) (< l N) (<= i k)), Black: 1694#(and (<= N (+ k 1)) (<= i (+ k 1))), Black: 1404#(and (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), Black: 1406#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), Black: 1647#(<= i k), Black: 384#(<= N i), Black: 433#(and (<= N i) (<= l i)), Black: 1186#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 383#(<= l i), Black: 1178#(and (= i asum) (= i 0) (<= k (+ i 1)) (= (+ asum (select A i) 1) csum) (< i N)), 1216#(<= l i), Black: 964#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), Black: 941#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), 456#true, Black: 1939#(<= p (+ l 1)), Black: 1935#true, Black: 205#(and (= l 0) (<= i (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), Black: 720#(and (= l i) (= (+ (select A i) 1) (select C i)) (= i asum) (= i 0) (<= (+ k asum (select A i)) (+ (select C l) i)) (= (+ i 1) p) (= i csum) (< i N)), Black: 722#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 724#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (<= N (+ csum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 712#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 219#true, 1510#(and (<= l i) (<= k (+ i 1)) (<= (+ l 1) N)), Black: 1211#(<= l (+ i 1)), Black: 1259#(and (<= l (+ i 1)) (<= N (+ i 1))), 1008#true, 1784#(and (<= (+ l 1) i) (< (+ l 1) N))]) [2021-03-26 06:32:26,226 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2021-03-26 06:32:26,226 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 06:32:26,227 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-03-26 06:32:26,227 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-26 06:32:26,227 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([84] L46-->L46-1: Formula: (not (< v_l_6 v_p_4)) InVars {p=v_p_4, l=v_l_6} OutVars{p=v_p_4, l=v_l_6} AuxVars[] AssignedVars[][313], [Black: 496#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 7#thread2EXITtrue, 8#thread1EXITtrue, 10#L63true, Black: 1792#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N)), Black: 1796#(and (<= l i) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1798#(and (<= l i) (<= (+ k 1) N)), 15#L46-1true, Black: 1538#(and (<= l i) (<= k (+ i 1))), Black: 1508#(and (<= k i) (<= l i) (<= (+ l 1) N) (< k N)), Black: 1540#(and (<= k i) (<= l (+ i 1)) (< k N)), Black: 1772#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1542#(and (<= k (+ i 1)) (<= (+ l 1) N)), Black: 1774#(and (<= l i) (< l N)), Black: 1711#true, Black: 1544#(and (<= k i) (<= l (+ i 1)) (<= (+ l 1) N) (< k N)), Black: 1778#(and (<= (+ l 1) i) (< l N)), Black: 1546#(and (<= k i) (<= (+ l 1) N)), Black: 1716#(<= (+ k 1) N), Black: 1782#(and (<= (+ l 1) i) (< (+ l 1) N) (<= (+ k 1) N)), Black: 1514#(and (<= k i) (<= l i) (<= (+ l 1) N)), Black: 1548#(and (<= k i) (< k N)), Black: 1720#(<= l i), Black: 1550#(and (<= k i) (<= (+ l 1) N) (< k N)), Black: 1786#(and (<= (+ l 1) i) (< (+ l 1) N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1455#(<= l i), Black: 1788#(and (<= l i) (< l N) (<= (+ k 1) N)), Black: 1520#(and (<= l i) (<= (+ l 1) N)), Black: 1756#(< l N), Black: 1460#(<= k i), Black: 1790#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1524#(and (<= l (+ i 1)) (<= k (+ i 1))), 1821#true, Black: 1528#(and (<= k i) (<= l i)), Black: 1530#(and (<= l (+ i 1)) (<= k (+ i 1)) (<= (+ l 1) N)), Black: 1532#(and (<= k i) (<= l i) (< k N)), Black: 1534#(and (<= k i) (<= l (+ i 1)) (<= (+ l 1) N)), 1570#true, Black: 283#(and (or (<= (+ N asum) csum) (<= (+ k asum) csum)) (= csum (+ asum 1)) (<= i 1) (< csum (+ N asum 1))), Black: 285#(and (< 0 N) (= csum (+ asum 1)) (<= N 1) (<= i 1)), Black: 1297#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), Black: 1040#(and (< 0 N) (<= l 1) (= i 0) (= (+ (select A 0) 1) csum) (= asum 0)), Black: 1320#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), 303#true, 51#(<= (+ l 1) N), 819#(and (<= N i) (<= k (+ i 1))), Black: 48#true, Black: 770#(<= k i), Black: 821#(and (<= N (+ i 1)) (<= k (+ i 1))), Black: 50#(= i l), Black: 780#(<= k (+ i 1)), Black: 815#(and (<= N i) (<= k i)), 62#(<= N i), Black: 69#(= p l), 590#(and (<= k i) (<= (+ l 1) i) (< l N)), Black: 76#(<= (+ i 1) N), 1879#(<= i k), Black: 1573#(<= i (+ l 1)), Black: 1575#(<= N l), Black: 1626#(and (<= i (+ l 1)) (<= N (+ l 1))), Black: 608#(and (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 592#(and (<= (+ l 1) i) (< l N)), Black: 1579#(<= i l), Black: 1628#(and (<= N l) (<= i l)), Black: 564#(< l N), Black: 1630#(and (<= i (+ l 1)) (<= N l)), Black: 598#(and (<= k i) (<= l i) (< l N)), Black: 600#(and (<= l i) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 602#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 586#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 588#(and (<= l i) (< l N)), Black: 604#(and (<= (+ k 1) N) (<= (+ k 1) i)), Black: 352#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 322#(and (= l i) (= l 0) (= (select C l) (+ (select A l) 1)) (<= k (+ l 1)) (= l asum) (< l N) (= i csum)), Black: 606#(and (<= k i) (< l N)), 1396#(and (<= N k) (< l N)), 1140#(and (<= N k) (<= p k) (<= (+ l 1) k)), Black: 1138#(and (<= p k) (<= (+ l 1) k)), Black: 1142#(and (<= N k) (<= p k) (<= l k)), Black: 1135#(and (<= p k) (<= l k)), Black: 1878#(<= i (+ k 1)), Black: 1930#(and (<= (+ i 1) N) (<= i k)), Black: 100#(and (< 0 N) (= l 0) (= k 0) (<= i 1) (= csum 0) (= asum (select A 0))), Black: 1408#(and (<= (+ i p) (+ l k 1)) (< l N) (<= l k) (<= i k)), 1940#(<= p l), Black: 1410#(and (<= N k) (<= l k)), Black: 1412#(and (<= N k) (<= l k) (<= i k)), 662#true, Black: 1414#(and (<= l k) (<= i k)), Black: 1416#(and (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1384#(and (< l N) (<= l k)), Black: 1418#(and (< l N) (<= l k) (<= i k)), Black: 1386#(and (<= (+ l 1) k) (< l N)), Black: 1324#true, Black: 1420#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1390#(and (<= (+ i p) (+ l k 1)) (<= (+ l 1) k) (< l N) (<= i k)), Black: 1422#(and (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), 1696#(and (<= N k) (<= i k)), Black: 1329#(<= i k), Black: 1330#(<= N k), Black: 1426#(and (< l N) (<= i k)), Black: 1698#(and (<= N k) (<= i (+ k 1))), Black: 1334#(<= l k), Black: 1398#(and (<= N k) (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), Black: 1638#true, Black: 1641#(<= i (+ k 1)), Black: 1400#(and (<= (+ l 1) k) (< l N) (<= i k)), Black: 1402#(and (<= N k) (< l N) (<= i k)), Black: 1694#(and (<= N (+ k 1)) (<= i (+ k 1))), Black: 1404#(and (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), Black: 1406#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), Black: 1647#(<= i k), 431#(and (<= N i) (<= (+ l 1) i)), Black: 384#(<= N i), Black: 433#(and (<= N i) (<= l i)), Black: 382#(<= (+ l 1) i), Black: 1186#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 383#(<= l i), Black: 1178#(and (= i asum) (= i 0) (<= k (+ i 1)) (= (+ asum (select A i) 1) csum) (< i N)), Black: 964#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), Black: 941#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), 456#true, Black: 1939#(<= p (+ l 1)), Black: 1935#true, Black: 205#(and (= l 0) (<= i (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), Black: 720#(and (= l i) (= (+ (select A i) 1) (select C i)) (= i asum) (= i 0) (<= (+ k asum (select A i)) (+ (select C l) i)) (= (+ i 1) p) (= i csum) (< i N)), Black: 722#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 724#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (<= N (+ csum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 712#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 219#true, 1510#(and (<= l i) (<= k (+ i 1)) (<= (+ l 1) N)), 1257#(and (<= l i) (<= N (+ i 1))), Black: 1216#(<= l i), Black: 1211#(<= l (+ i 1)), Black: 1259#(and (<= l (+ i 1)) (<= N (+ i 1))), 1008#true, 1784#(and (<= (+ l 1) i) (< (+ l 1) N))]) [2021-03-26 06:32:26,227 INFO L384 tUnfolder$Statistics]: this new event has 24 ancestors and is cut-off event [2021-03-26 06:32:26,227 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-26 06:32:26,227 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-26 06:32:26,227 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 06:32:26,227 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([101] L23-1-->L23-1: Formula: (and (= (+ v_i_16 1) v_i_15) (< v_i_16 v_N_19) (= v_asum_11 (+ v_asum_12 (select v_A_15 v_i_16)))) InVars {A=v_A_15, N=v_N_19, i=v_i_16, asum=v_asum_12} OutVars{A=v_A_15, N=v_N_19, i=v_i_15, asum=v_asum_11} AuxVars[] AssignedVars[i, asum][3535], [Black: 496#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 7#thread2EXITtrue, 10#L63true, Black: 1792#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N)), 13#L46true, Black: 1796#(and (<= l i) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1798#(and (<= l i) (<= (+ k 1) N)), Black: 1538#(and (<= l i) (<= k (+ i 1))), Black: 1508#(and (<= k i) (<= l i) (<= (+ l 1) N) (< k N)), Black: 1540#(and (<= k i) (<= l (+ i 1)) (< k N)), Black: 1772#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1542#(and (<= k (+ i 1)) (<= (+ l 1) N)), Black: 1774#(and (<= l i) (< l N)), Black: 1711#true, Black: 1510#(and (<= l i) (<= k (+ i 1)) (<= (+ l 1) N)), Black: 1544#(and (<= k i) (<= l (+ i 1)) (<= (+ l 1) N) (< k N)), Black: 1778#(and (<= (+ l 1) i) (< l N)), Black: 1546#(and (<= k i) (<= (+ l 1) N)), Black: 1716#(<= (+ k 1) N), Black: 1782#(and (<= (+ l 1) i) (< (+ l 1) N) (<= (+ k 1) N)), 23#L23-1true, Black: 1548#(and (<= k i) (< k N)), Black: 1720#(<= l i), Black: 1550#(and (<= k i) (<= (+ l 1) N) (< k N)), Black: 1786#(and (<= (+ l 1) i) (< (+ l 1) N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1455#(<= l i), Black: 1788#(and (<= l i) (< l N) (<= (+ k 1) N)), Black: 1520#(and (<= l i) (<= (+ l 1) N)), Black: 1756#(< l N), Black: 1460#(<= k i), Black: 1790#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1524#(and (<= l (+ i 1)) (<= k (+ i 1))), 1821#true, Black: 1528#(and (<= k i) (<= l i)), Black: 1530#(and (<= l (+ i 1)) (<= k (+ i 1)) (<= (+ l 1) N)), Black: 1532#(and (<= k i) (<= l i) (< k N)), Black: 1534#(and (<= k i) (<= l (+ i 1)) (<= (+ l 1) N)), Black: 283#(and (or (<= (+ N asum) csum) (<= (+ k asum) csum)) (= csum (+ asum 1)) (<= i 1) (< csum (+ N asum 1))), 1570#true, Black: 285#(and (< 0 N) (= csum (+ asum 1)) (<= N 1) (<= i 1)), Black: 1297#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), Black: 1040#(and (< 0 N) (<= l 1) (= i 0) (= (+ (select A 0) 1) csum) (= asum 0)), Black: 1320#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), 303#true, 815#(and (<= N i) (<= k i)), 51#(<= (+ l 1) N), Black: 48#true, Black: 770#(<= k i), Black: 50#(= i l), Black: 821#(and (<= N (+ i 1)) (<= k (+ i 1))), Black: 780#(<= k (+ i 1)), 59#true, Black: 69#(= p l), 586#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 76#(<= (+ i 1) N), 1878#(<= i (+ k 1)), Black: 1573#(<= i (+ l 1)), Black: 1575#(<= N l), Black: 1626#(and (<= i (+ l 1)) (<= N (+ l 1))), Black: 608#(and (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 592#(and (<= (+ l 1) i) (< l N)), Black: 1579#(<= i l), Black: 1628#(and (<= N l) (<= i l)), Black: 564#(< l N), Black: 1630#(and (<= i (+ l 1)) (<= N l)), Black: 598#(and (<= k i) (<= l i) (< l N)), Black: 600#(and (<= l i) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 602#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 588#(and (<= l i) (< l N)), Black: 604#(and (<= (+ k 1) N) (<= (+ k 1) i)), Black: 352#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 322#(and (= l i) (= l 0) (= (select C l) (+ (select A l) 1)) (<= k (+ l 1)) (= l asum) (< l N) (= i csum)), Black: 606#(and (<= k i) (< l N)), Black: 590#(and (<= k i) (<= (+ l 1) i) (< l N)), 1140#(and (<= N k) (<= p k) (<= (+ l 1) k)), Black: 1138#(and (<= p k) (<= (+ l 1) k)), Black: 1142#(and (<= N k) (<= p k) (<= l k)), 1402#(and (<= N k) (< l N) (<= i k)), Black: 1135#(and (<= p k) (<= l k)), 382#(<= (+ l 1) i), Black: 1879#(<= i k), Black: 1930#(and (<= (+ i 1) N) (<= i k)), Black: 100#(and (< 0 N) (= l 0) (= k 0) (<= i 1) (= csum 0) (= asum (select A 0))), 1935#true, Black: 1408#(and (<= (+ i p) (+ l k 1)) (< l N) (<= l k) (<= i k)), Black: 1410#(and (<= N k) (<= l k)), Black: 1412#(and (<= N k) (<= l k) (<= i k)), 662#true, Black: 1414#(and (<= l k) (<= i k)), Black: 1416#(and (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1384#(and (< l N) (<= l k)), Black: 1418#(and (< l N) (<= l k) (<= i k)), Black: 1386#(and (<= (+ l 1) k) (< l N)), Black: 1324#true, Black: 1420#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1390#(and (<= (+ i p) (+ l k 1)) (<= (+ l 1) k) (< l N) (<= i k)), Black: 1422#(and (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), 1696#(and (<= N k) (<= i k)), Black: 1329#(<= i k), Black: 1330#(<= N k), Black: 1426#(and (< l N) (<= i k)), Black: 1396#(and (<= N k) (< l N)), Black: 1698#(and (<= N k) (<= i (+ k 1))), Black: 1334#(<= l k), Black: 1398#(and (<= N k) (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), Black: 1638#true, Black: 1400#(and (<= (+ l 1) k) (< l N) (<= i k)), Black: 1641#(<= i (+ k 1)), Black: 1694#(and (<= N (+ k 1)) (<= i (+ k 1))), Black: 1404#(and (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), Black: 1406#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), Black: 1647#(<= i k), Black: 384#(<= N i), Black: 433#(and (<= N i) (<= l i)), Black: 1186#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 383#(<= l i), Black: 1178#(and (= i asum) (= i 0) (<= k (+ i 1)) (= (+ asum (select A i) 1) csum) (< i N)), 1216#(<= l i), Black: 964#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), Black: 941#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), 456#true, Black: 1939#(<= p (+ l 1)), Black: 1940#(<= p l), Black: 205#(and (= l 0) (<= i (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), Black: 720#(and (= l i) (= (+ (select A i) 1) (select C i)) (= i asum) (= i 0) (<= (+ k asum (select A i)) (+ (select C l) i)) (= (+ i 1) p) (= i csum) (< i N)), Black: 722#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 724#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (<= N (+ csum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 712#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 219#true, 1514#(and (<= k i) (<= l i) (<= (+ l 1) N)), Black: 1211#(<= l (+ i 1)), Black: 1259#(and (<= l (+ i 1)) (<= N (+ i 1))), 1008#true, 1784#(and (<= (+ l 1) i) (< (+ l 1) N))]) [2021-03-26 06:32:26,227 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2021-03-26 06:32:26,227 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 06:32:26,227 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-03-26 06:32:26,227 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-26 06:32:27,439 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([84] L46-->L46-1: Formula: (not (< v_l_6 v_p_4)) InVars {p=v_p_4, l=v_l_6} OutVars{p=v_p_4, l=v_l_6} AuxVars[] 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k i) (<= (+ l 1) N) (< k N)), Black: 1786#(and (<= (+ l 1) i) (< (+ l 1) N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1455#(<= l i), Black: 1788#(and (<= l i) (< l N) (<= (+ k 1) N)), Black: 1520#(and (<= l i) (<= (+ l 1) N)), Black: 1756#(< l N), Black: 1460#(<= k i), Black: 1790#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), 1821#true, Black: 1524#(and (<= l (+ i 1)) (<= k (+ i 1))), Black: 1528#(and (<= k i) (<= l i)), Black: 1530#(and (<= l (+ i 1)) (<= k (+ i 1)) (<= (+ l 1) N)), Black: 1532#(and (<= k i) (<= l i) (< k N)), Black: 1534#(and (<= k i) (<= l (+ i 1)) (<= (+ l 1) N)), 1570#true, Black: 283#(and (or (<= (+ N asum) csum) (<= (+ k asum) csum)) (= csum (+ asum 1)) (<= i 1) (< csum (+ N asum 1))), Black: 285#(and (< 0 N) (= csum (+ asum 1)) (<= N 1) (<= i 1)), Black: 1297#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), Black: 1040#(and (< 0 N) (<= l 1) (= i 0) (= (+ (select A 0) 1) csum) (= asum 0)), Black: 1320#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), 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(< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 322#(and (= l i) (= l 0) (= (select C l) (+ (select A l) 1)) (<= k (+ l 1)) (= l asum) (< l N) (= i csum)), Black: 606#(and (<= k i) (< l N)), 1396#(and (<= N k) (< l N)), 1140#(and (<= N k) (<= p k) (<= (+ l 1) k)), Black: 1138#(and (<= p k) (<= (+ l 1) k)), Black: 1142#(and (<= N k) (<= p k) (<= l k)), Black: 1135#(and (<= p k) (<= l k)), Black: 1878#(<= i (+ k 1)), Black: 1930#(and (<= (+ i 1) N) (<= i k)), Black: 100#(and (< 0 N) (= l 0) (= k 0) (<= i 1) (= csum 0) (= asum (select A 0))), Black: 1408#(and (<= (+ i p) (+ l k 1)) (< l N) (<= l k) (<= i k)), 1940#(<= p l), Black: 1410#(and (<= N k) (<= l k)), Black: 1412#(and (<= N k) (<= l k) (<= i k)), 662#true, Black: 1414#(and (<= l k) (<= i k)), Black: 1416#(and (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1384#(and (< l N) (<= l k)), Black: 1418#(and (< l N) (<= l k) (<= i k)), Black: 1386#(and (<= (+ l 1) k) (< l N)), Black: 1324#true, Black: 1420#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1390#(and (<= (+ i p) (+ l k 1)) (<= (+ l 1) k) (< l N) (<= i k)), Black: 1422#(and (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), 1696#(and (<= N k) (<= i k)), Black: 1329#(<= i k), Black: 1330#(<= N k), Black: 1426#(and (< l N) (<= i k)), Black: 1698#(and (<= N k) (<= i (+ k 1))), Black: 1334#(<= l k), Black: 1398#(and (<= N k) (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), Black: 1638#true, Black: 1641#(<= i (+ k 1)), Black: 1400#(and (<= (+ l 1) k) (< l N) (<= i k)), Black: 1402#(and (<= N k) (< l N) (<= i k)), Black: 1694#(and (<= N (+ k 1)) (<= i (+ k 1))), Black: 1404#(and (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), Black: 1406#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), Black: 1647#(<= i k), 431#(and (<= N i) (<= (+ l 1) i)), Black: 384#(<= N i), Black: 433#(and (<= N i) (<= l i)), Black: 1186#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 382#(<= (+ l 1) i), Black: 383#(<= l i), Black: 1178#(and (= i asum) (= i 0) (<= k (+ i 1)) (= (+ asum (select A i) 1) csum) (< i N)), Black: 964#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), Black: 941#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), 456#true, Black: 1939#(<= p (+ l 1)), Black: 1935#true, Black: 205#(and (= l 0) (<= i (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), Black: 720#(and (= l i) (= (+ (select A i) 1) (select C i)) (= i asum) (= i 0) (<= (+ k asum (select A i)) (+ (select C l) i)) (= (+ i 1) p) (= i csum) (< i N)), Black: 722#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 724#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (<= N (+ csum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 712#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 219#true, 1510#(and (<= l i) (<= k (+ i 1)) (<= (+ l 1) N)), 1257#(and (<= l i) (<= N (+ i 1))), Black: 1216#(<= l i), Black: 1211#(<= l (+ i 1)), Black: 1259#(and (<= l (+ i 1)) (<= N (+ i 1))), 1008#true, 1784#(and (<= (+ l 1) i) (< (+ l 1) N))]) [2021-03-26 06:32:27,440 INFO L384 tUnfolder$Statistics]: this new event has 24 ancestors and is cut-off event [2021-03-26 06:32:27,440 INFO L387 tUnfolder$Statistics]: existing Event has 24 ancestors and is cut-off event [2021-03-26 06:32:27,440 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-26 06:32:27,440 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-26 06:32:27,440 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 06:32:27,450 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([84] L46-->L46-1: Formula: (not (< v_l_6 v_p_4)) InVars {p=v_p_4, l=v_l_6} OutVars{p=v_p_4, l=v_l_6} AuxVars[] AssignedVars[][313], [Black: 496#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 7#thread2EXITtrue, 8#thread1EXITtrue, 10#L63true, Black: 1792#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N)), Black: 1796#(and (<= l i) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1798#(and (<= l i) (<= (+ k 1) N)), 15#L46-1true, Black: 1538#(and (<= l i) (<= k (+ i 1))), Black: 1508#(and (<= k i) (<= l i) (<= (+ l 1) N) (< k N)), Black: 1540#(and (<= k i) (<= l (+ i 1)) (< k N)), Black: 1772#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1774#(and (<= l i) (< l N)), Black: 1542#(and (<= k (+ i 1)) (<= (+ l 1) N)), Black: 1711#true, Black: 1544#(and (<= k i) (<= l (+ i 1)) (<= (+ l 1) N) (< k N)), Black: 1778#(and (<= (+ l 1) i) (< l N)), Black: 1716#(<= (+ k 1) N), Black: 1546#(and (<= k i) (<= (+ l 1) N)), Black: 1514#(and (<= k i) (<= l i) (<= (+ l 1) N)), Black: 1782#(and (<= (+ l 1) i) (< (+ l 1) N) (<= (+ k 1) N)), Black: 1548#(and (<= k i) (< k N)), Black: 1720#(<= l i), Black: 1550#(and (<= k i) (<= (+ l 1) N) (< k N)), Black: 1786#(and (<= (+ l 1) i) (< (+ l 1) N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1455#(<= l i), Black: 1788#(and (<= l i) (< l N) (<= (+ k 1) N)), Black: 1520#(and (<= l i) (<= (+ l 1) N)), Black: 1756#(< l N), Black: 1460#(<= k i), Black: 1790#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), 1821#true, Black: 1524#(and (<= l (+ i 1)) (<= k (+ i 1))), Black: 1528#(and (<= k i) (<= l i)), Black: 1530#(and (<= l (+ i 1)) (<= k (+ i 1)) (<= (+ l 1) N)), Black: 1532#(and (<= k i) (<= l i) (< k N)), Black: 1534#(and (<= k i) (<= l (+ i 1)) (<= (+ l 1) N)), Black: 283#(and (or (<= (+ N asum) csum) (<= (+ k asum) csum)) (= csum (+ asum 1)) (<= i 1) (< csum (+ N asum 1))), 1570#true, Black: 285#(and (< 0 N) (= csum (+ asum 1)) (<= N 1) (<= i 1)), Black: 1297#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), Black: 1040#(and (< 0 N) (<= l 1) (= i 0) (= (+ (select A 0) 1) csum) (= asum 0)), Black: 1320#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), 303#true, 815#(and (<= N i) (<= k i)), 51#(<= (+ l 1) N), Black: 770#(<= k i), Black: 48#true, Black: 821#(and (<= N (+ i 1)) (<= k (+ i 1))), Black: 50#(= i l), Black: 780#(<= k (+ i 1)), 62#(<= N i), Black: 69#(= p l), 590#(and (<= k i) (<= (+ l 1) i) (< l N)), Black: 76#(<= (+ i 1) N), 1879#(<= i k), Black: 1573#(<= i (+ l 1)), Black: 1575#(<= N l), Black: 1626#(and (<= i (+ l 1)) (<= N (+ l 1))), Black: 608#(and (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 1579#(<= i l), Black: 592#(and (<= (+ l 1) i) (< l N)), Black: 1628#(and (<= N l) (<= i l)), Black: 564#(< l N), Black: 1630#(and (<= i (+ l 1)) (<= N l)), Black: 598#(and (<= k i) (<= l i) (< l N)), Black: 600#(and (<= l i) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 602#(and (<= l i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 586#(and (<= (+ l 1) i) (< l N) (<= (+ k 1) N) (<= (+ k 1) i)), Black: 588#(and (<= l i) (< l N)), Black: 604#(and (<= (+ k 1) N) (<= (+ k 1) i)), Black: 352#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 322#(and (= l i) (= l 0) (= (select C l) (+ (select A l) 1)) (<= k (+ l 1)) (= l asum) (< l N) (= i csum)), Black: 606#(and (<= k i) (< l N)), 1140#(and (<= N k) (<= p k) (<= (+ l 1) k)), 1396#(and (<= N k) (< l N)), Black: 1138#(and (<= p k) (<= (+ l 1) k)), Black: 1142#(and (<= N k) (<= p k) (<= l k)), Black: 1135#(and (<= p k) (<= l k)), Black: 1878#(<= i (+ k 1)), Black: 1930#(and (<= (+ i 1) N) (<= i k)), Black: 100#(and (< 0 N) (= l 0) (= k 0) (<= i 1) (= csum 0) (= asum (select A 0))), Black: 1408#(and (<= (+ i p) (+ l k 1)) (< l N) (<= l k) (<= i k)), 1940#(<= p l), Black: 1410#(and (<= N k) (<= l k)), Black: 1412#(and (<= N k) (<= l k) (<= i k)), 662#true, Black: 1414#(and (<= l k) (<= i k)), Black: 1416#(and (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1384#(and (< l N) (<= l k)), Black: 1418#(and (< l N) (<= l k) (<= i k)), Black: 1386#(and (<= (+ l 1) k) (< l N)), Black: 1324#true, Black: 1420#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= i k)), Black: 1390#(and (<= (+ i p) (+ l k 1)) (<= (+ l 1) k) (< l N) (<= i k)), Black: 1422#(and (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), 1696#(and (<= N k) (<= i k)), Black: 1329#(<= i k), Black: 1330#(<= N k), Black: 1426#(and (< l N) (<= i k)), Black: 1698#(and (<= N k) (<= i (+ k 1))), Black: 1334#(<= l k), Black: 1398#(and (<= N k) (<= (+ i p) (+ l k 1)) (< l N) (<= i k)), Black: 1638#true, Black: 1400#(and (<= (+ l 1) k) (< l N) (<= i k)), Black: 1641#(<= i (+ k 1)), Black: 1402#(and (<= N k) (< l N) (<= i k)), Black: 1694#(and (<= N (+ k 1)) (<= i (+ k 1))), Black: 1404#(and (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), Black: 1406#(and (<= N k) (<= (+ i p) (+ l k 1)) (<= l k) (<= i k)), Black: 1647#(<= i k), 431#(and (<= N i) (<= (+ l 1) i)), Black: 384#(<= N i), Black: 433#(and (<= N i) (<= l i)), Black: 1186#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), Black: 382#(<= (+ l 1) i), Black: 383#(<= l i), Black: 1178#(and (= i asum) (= i 0) (<= k (+ i 1)) (= (+ asum (select A i) 1) csum) (< i N)), Black: 964#(and (< 0 N) (<= k 1) (= csum (+ asum 1)) (<= N 1)), Black: 941#(and (< 0 N) (<= k 1) (= csum (+ asum 1))), 456#true, Black: 1939#(<= p (+ l 1)), Black: 1935#true, Black: 205#(and (= l 0) (<= i (+ l 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (<= (+ (select C l) csum) (+ N asum)) (= (+ l (select C l)) (+ asum 1))), Black: 720#(and (= l i) (= (+ (select A i) 1) (select C i)) (= i asum) (= i 0) (<= (+ k asum (select A i)) (+ (select C l) i)) (= (+ i 1) p) (= i csum) (< i N)), Black: 722#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 724#(and (= (+ csum 1) p) (<= i (+ csum 1)) (= (+ (select C csum) csum) (+ asum 1)) (<= N (+ csum 1)) (= l csum) (<= (+ k asum) (+ (select C l) csum)) (= csum 0) (<= (+ (select C l) csum) (+ N asum))), Black: 712#(and (< 0 N) (= csum (+ asum 1)) (<= N 1)), 219#true, 1510#(and (<= l i) (<= k (+ i 1)) (<= (+ l 1) N)), 1257#(and (<= l i) (<= N (+ i 1))), Black: 1216#(<= l i), Black: 1211#(<= l (+ i 1)), Black: 1259#(and (<= l (+ i 1)) (<= N (+ i 1))), 1008#true, 1784#(and (<= (+ l 1) i) (< (+ l 1) N))]) [2021-03-26 06:32:27,450 INFO L384 tUnfolder$Statistics]: this new event has 24 ancestors and is cut-off event [2021-03-26 06:32:27,451 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 06:32:27,451 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-26 06:32:27,451 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-26 06:32:29,919 INFO L129 PetriNetUnfolder]: 17160/37594 cut-off events. [2021-03-26 06:32:29,920 INFO L130 PetriNetUnfolder]: For 2424199/2431676 co-relation queries the response was YES. [2021-03-26 06:32:31,141 INFO L84 FinitePrefix]: Finished finitePrefix Result has 453095 conditions, 37594 events. 17160/37594 cut-off events. For 2424199/2431676 co-relation queries the response was YES. Maximal size of possible extension queue 2712. Compared 429518 event pairs, 856 based on Foata normal form. 2263/39121 useless extension candidates. Maximal degree in co-relation 449730. Up to 10271 conditions per place. [2021-03-26 06:32:31,779 INFO L142 LiptonReduction]: Number of co-enabled transitions 8870 [2021-03-26 06:32:34,329 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:32:34,330 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:32:34,330 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 38880 [2021-03-26 06:32:34,330 INFO L480 AbstractCegarLoop]: Abstraction has has 290 places, 4120 transitions, 115650 flow [2021-03-26 06:32:34,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:32:34,330 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:32:34,330 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 06:32:34,531 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-03-26 06:32:34,531 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:32:34,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:32:34,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1070765020, now seen corresponding path program 11 times [2021-03-26 06:32:34,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:32:34,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951516228] [2021-03-26 06:32:34,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:32:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:32:34,540 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:32:34,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:32:34,545 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:32:34,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:32:34,551 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:32:34,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:32:34,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:32:34,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:32:34,565 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:32:34,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951516228] [2021-03-26 06:32:34,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016501524] [2021-03-26 06:32:34,565 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 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 06:32:34,586 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-26 06:32:34,586 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:32:34,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 06:32:34,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:32:34,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:32:34,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:32:34,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:32:34,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:32:34,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:32:34,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:32:34,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:32:34,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:32:34,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:32:34,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:32:34,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:32:34,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:32:34,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:32:34,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:32:34,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:32:34,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:32:34,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:32:34,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:32:34,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:32:34,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:32:34,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:32:34,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:32:34,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:32:34,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:32:34,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:32:34,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:32:34,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:32:34,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:32:34,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:32:34,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:32:34,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:32:34,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:32:34,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:32:34,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:32:34,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:32:34,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:32:34,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:32:34,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:32:34,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:32:34,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:32:34,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:32:34,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:32:34,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:32:34,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 06:32:34,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:32:34,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:32:34,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:32:34,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:32:34,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:32:34,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:32:34,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:32:34,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:32:34,646 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 06:32:34,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:32:34,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:32:34,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:32:34,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:32:34,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:32:34,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:32:34,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:32:34,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:32:34,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:32:34,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:32:34,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:32:34,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:32:34,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:32:34,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:32:34,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:32:34,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:32:34,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:32:34,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:32:34,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:32:34,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:32:34,657 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:32:34,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:32:34,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-03-26 06:32:34,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186355431] [2021-03-26 06:32:34,657 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 06:32:34,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:32:34,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 06:32:34,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-03-26 06:32:34,658 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 77 [2021-03-26 06:32:34,658 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 4120 transitions, 115650 flow. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 9 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:32:34,658 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:32:34,658 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 77 [2021-03-26 06:32:34,658 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2021-03-26 06:34:06,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 06:34:06,296 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-03-26 06:34:06,296 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-26 06:34:06,304 WARN L224 ceAbstractionStarter]: Timeout [2021-03-26 06:34:06,306 INFO L202 PluginConnector]: Adding new model simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 06:34:06 BasicIcfg [2021-03-26 06:34:06,306 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 06:34:06,306 INFO L168 Benchmark]: Toolchain (without parser) took 820621.91 ms. Allocated memory was 255.9 MB in the beginning and 10.0 GB in the end (delta: 9.8 GB). Free memory was 236.4 MB in the beginning and 5.4 GB in the end (delta: -5.2 GB). Peak memory consumption was 5.3 GB. Max. memory is 16.0 GB. [2021-03-26 06:34:06,307 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.48 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.5 MB in the end (delta: 162.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 06:34:06,307 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.52 ms. Allocated memory is still 255.9 MB. Free memory was 236.4 MB in the beginning and 234.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 06:34:06,307 INFO L168 Benchmark]: Boogie Preprocessor took 17.39 ms. Allocated memory is still 255.9 MB. Free memory was 234.8 MB in the beginning and 233.9 MB in the end (delta: 918.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 06:34:06,307 INFO L168 Benchmark]: RCFGBuilder took 329.92 ms. Allocated memory is still 255.9 MB. Free memory was 233.9 MB in the beginning and 237.0 MB in the end (delta: -3.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.0 GB. [2021-03-26 06:34:06,307 INFO L168 Benchmark]: TraceAbstraction took 820244.55 ms. Allocated memory was 255.9 MB in the beginning and 10.0 GB in the end (delta: 9.8 GB). Free memory was 236.4 MB in the beginning and 5.4 GB in the end (delta: -5.2 GB). Peak memory consumption was 5.3 GB. Max. memory is 16.0 GB. [2021-03-26 06:34:06,307 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 0.48 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.5 MB in the end (delta: 162.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 25.52 ms. Allocated memory is still 255.9 MB. Free memory was 236.4 MB in the beginning and 234.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 17.39 ms. Allocated memory is still 255.9 MB. Free memory was 234.8 MB in the beginning and 233.9 MB in the end (delta: 918.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 329.92 ms. Allocated memory is still 255.9 MB. Free memory was 233.9 MB in the beginning and 237.0 MB in the end (delta: -3.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 820244.55 ms. Allocated memory was 255.9 MB in the beginning and 10.0 GB in the end (delta: 9.8 GB). Free memory was 236.4 MB in the beginning and 5.4 GB in the end (delta: -5.2 GB). Peak memory consumption was 5.3 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 352.2ms, 30 PlacesBefore, 23 PlacesAfterwards, 24 TransitionsBefore, 17 TransitionsAfterwards, 184 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 90 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 74, positive: 70, positive conditional: 70, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 70, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 70, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 70, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 74, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 70, unknown conditional: 70, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 6, Positive conditional cache size: 6, Positive unconditional cache size: 0, Negative cache size: 2, Negative conditional cache size: 2, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.1ms, 22 PlacesBefore, 22 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 122 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): 8, Positive cache size: 6, Positive conditional cache size: 6, Positive unconditional cache size: 0, Negative cache size: 2, Negative conditional cache size: 2, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.9ms, 30 PlacesBefore, 30 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 142 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): 8, Positive cache size: 6, Positive conditional cache size: 6, Positive unconditional cache size: 0, Negative cache size: 2, Negative conditional cache size: 2, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.1ms, 35 PlacesBefore, 33 PlacesAfterwards, 22 TransitionsBefore, 22 TransitionsAfterwards, 122 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): 8, Positive cache size: 6, Positive conditional cache size: 6, Positive unconditional cache size: 0, Negative cache size: 2, Negative conditional cache size: 2, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.3ms, 31 PlacesBefore, 31 PlacesAfterwards, 23 TransitionsBefore, 23 TransitionsAfterwards, 138 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): 8, Positive cache size: 6, Positive conditional cache size: 6, Positive unconditional cache size: 0, Negative cache size: 2, Negative conditional cache size: 2, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.7ms, 38 PlacesBefore, 38 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 162 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): 8, Positive cache size: 6, Positive conditional cache size: 6, Positive unconditional cache size: 0, Negative cache size: 2, Negative conditional cache size: 2, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20.4ms, 48 PlacesBefore, 48 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 208 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): 8, Positive cache size: 6, Positive conditional cache size: 6, Positive unconditional cache size: 0, Negative cache size: 2, Negative conditional cache size: 2, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 58.8ms, 56 PlacesBefore, 56 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 284 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 12 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 12, positive: 12, positive conditional: 12, 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: 12, positive: 12, positive conditional: 7, positive unconditional: 5, 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: 12, positive: 12, positive conditional: 7, positive unconditional: 5, 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: 12, positive: 12, positive conditional: 0, positive unconditional: 12, 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: 12, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 16, Positive cache size: 15, Positive conditional cache size: 15, Positive unconditional cache size: 0, Negative cache size: 1, Negative conditional cache size: 1, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 130.6ms, 67 PlacesBefore, 66 PlacesAfterwards, 62 TransitionsBefore, 62 TransitionsAfterwards, 380 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 72 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 72, positive: 72, positive conditional: 72, 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: 14, positive: 14, positive conditional: 11, positive unconditional: 3, 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: 14, positive: 14, positive conditional: 11, positive unconditional: 3, 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: 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] , 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: 72, positive: 58, positive conditional: 58, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 29, Positive conditional cache size: 29, Positive unconditional cache size: 0, Negative cache size: 1, Negative conditional cache size: 1, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 186.1ms, 70 PlacesBefore, 70 PlacesAfterwards, 74 TransitionsBefore, 74 TransitionsAfterwards, 444 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 138 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 138, positive: 138, positive conditional: 138, 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: 17, positive: 17, positive conditional: 15, positive unconditional: 2, 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: 17, positive: 17, positive conditional: 15, positive unconditional: 2, 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: 17, positive: 17, positive conditional: 0, positive unconditional: 17, 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: 138, positive: 121, positive conditional: 121, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 46, Positive conditional cache size: 46, Positive unconditional cache size: 0, Negative cache size: 1, Negative conditional cache size: 1, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 195.9ms, 80 PlacesBefore, 80 PlacesAfterwards, 98 TransitionsBefore, 98 TransitionsAfterwards, 518 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 130 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 130, positive: 130, positive conditional: 130, 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: 19, positive: 19, positive conditional: 16, positive unconditional: 3, 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: 19, positive: 19, positive conditional: 16, positive unconditional: 3, 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: 19, positive: 19, positive conditional: 0, positive unconditional: 19, 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: 130, positive: 111, positive conditional: 111, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 65, Positive conditional cache size: 65, Positive unconditional cache size: 0, Negative cache size: 1, Negative conditional cache size: 1, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 181.4ms, 87 PlacesBefore, 87 PlacesAfterwards, 104 TransitionsBefore, 104 TransitionsAfterwards, 540 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 112 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 112, positive: 112, positive conditional: 112, 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: 17, positive: 17, positive conditional: 15, positive unconditional: 2, 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: 17, positive: 17, positive conditional: 15, positive unconditional: 2, 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: 17, positive: 17, positive conditional: 0, positive unconditional: 17, 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: 112, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 83, Positive cache size: 82, Positive conditional cache size: 82, Positive unconditional cache size: 0, Negative cache size: 1, Negative conditional cache size: 1, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 338.4ms, 111 PlacesBefore, 111 PlacesAfterwards, 205 TransitionsBefore, 205 TransitionsAfterwards, 834 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 98 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 98, positive: 98, positive conditional: 98, 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: 43, positive: 43, positive conditional: 41, positive unconditional: 2, 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: 43, positive: 43, positive conditional: 41, positive unconditional: 2, 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: 43, positive: 43, positive conditional: 0, positive unconditional: 43, 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: 98, positive: 55, positive conditional: 55, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 43, unknown conditional: 43, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 126, Positive cache size: 125, Positive conditional cache size: 125, Positive unconditional cache size: 0, Negative cache size: 1, Negative conditional cache size: 1, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 263.0ms, 117 PlacesBefore, 117 PlacesAfterwards, 221 TransitionsBefore, 221 TransitionsAfterwards, 878 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 54 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 54, positive: 54, positive conditional: 54, 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: 31, positive: 31, positive conditional: 30, positive unconditional: 1, 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: 31, positive: 31, positive conditional: 30, positive unconditional: 1, 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: 31, positive: 31, positive conditional: 0, positive unconditional: 31, 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: 54, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 157, Positive cache size: 156, Positive conditional cache size: 156, Positive unconditional cache size: 0, Negative cache size: 1, Negative conditional cache size: 1, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 474.7ms, 128 PlacesBefore, 128 PlacesAfterwards, 312 TransitionsBefore, 312 TransitionsAfterwards, 1288 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 252 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 252, positive: 252, positive conditional: 252, 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: 79, positive: 79, positive conditional: 78, positive unconditional: 1, 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: 79, positive: 79, positive conditional: 78, positive unconditional: 1, 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: 79, positive: 79, positive conditional: 0, positive unconditional: 79, 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: 252, positive: 173, positive conditional: 173, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 79, unknown conditional: 79, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 236, Positive cache size: 235, Positive conditional cache size: 235, Positive unconditional cache size: 0, Negative cache size: 1, Negative conditional cache size: 1, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 411.8ms, 133 PlacesBefore, 133 PlacesAfterwards, 331 TransitionsBefore, 331 TransitionsAfterwards, 1360 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 174 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 174, positive: 174, positive conditional: 174, 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: 41, positive: 41, positive conditional: 40, positive unconditional: 1, 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: 41, positive: 41, positive conditional: 40, positive unconditional: 1, 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: 41, positive: 41, positive conditional: 0, positive unconditional: 41, 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: 174, positive: 133, positive conditional: 133, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 41, unknown conditional: 41, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 277, Positive cache size: 276, Positive conditional cache size: 276, Positive unconditional cache size: 0, Negative cache size: 1, Negative conditional cache size: 1, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 539.7ms, 139 PlacesBefore, 139 PlacesAfterwards, 341 TransitionsBefore, 341 TransitionsAfterwards, 1390 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 10 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 10 TotalNumberOfCompositions, 900 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 900, positive: 900, positive conditional: 900, 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: 13, positive: 13, positive conditional: 13, 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: 13, positive: 13, positive conditional: 13, 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: 13, positive: 13, positive conditional: 0, positive unconditional: 13, 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: 900, positive: 887, positive conditional: 887, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 290, Positive cache size: 289, Positive conditional cache size: 289, Positive unconditional cache size: 0, Negative cache size: 1, Negative conditional cache size: 1, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 528.0ms, 146 PlacesBefore, 145 PlacesAfterwards, 484 TransitionsBefore, 483 TransitionsAfterwards, 1736 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 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): 450, Positive cache size: 449, Positive conditional cache size: 449, Positive unconditional cache size: 0, Negative cache size: 1, Negative conditional cache size: 1, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 424.5ms, 152 PlacesBefore, 152 PlacesAfterwards, 494 TransitionsBefore, 494 TransitionsAfterwards, 1750 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): 450, Positive cache size: 449, Positive conditional cache size: 449, Positive unconditional cache size: 0, Negative cache size: 1, Negative conditional cache size: 1, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 593.0ms, 159 PlacesBefore, 158 PlacesAfterwards, 552 TransitionsBefore, 552 TransitionsAfterwards, 1912 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): 450, Positive cache size: 449, Positive conditional cache size: 449, Positive unconditional cache size: 0, Negative cache size: 1, Negative conditional cache size: 1, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 547.1ms, 163 PlacesBefore, 163 PlacesAfterwards, 574 TransitionsBefore, 574 TransitionsAfterwards, 1962 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): 450, Positive cache size: 449, Positive conditional cache size: 449, Positive unconditional cache size: 0, Negative cache size: 1, Negative conditional cache size: 1, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2226.2ms, 211 PlacesBefore, 211 PlacesAfterwards, 1270 TransitionsBefore, 1270 TransitionsAfterwards, 3260 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): 450, Positive cache size: 449, Positive conditional cache size: 449, Positive unconditional cache size: 0, Negative cache size: 1, Negative conditional cache size: 1, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4506.4ms, 254 PlacesBefore, 254 PlacesAfterwards, 2300 TransitionsBefore, 2300 TransitionsAfterwards, 5508 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): 450, Positive cache size: 449, Positive conditional cache size: 449, Positive unconditional cache size: 0, Negative cache size: 1, Negative conditional cache size: 1, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8808.5ms, 262 PlacesBefore, 261 PlacesAfterwards, 2706 TransitionsBefore, 2706 TransitionsAfterwards, 6148 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): 450, Positive cache size: 449, Positive conditional cache size: 449, Positive unconditional cache size: 0, Negative cache size: 1, Negative conditional cache size: 1, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17549.4ms, 272 PlacesBefore, 270 PlacesAfterwards, 3529 TransitionsBefore, 3529 TransitionsAfterwards, 7892 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, 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: 4, positive: 4, positive conditional: 4, 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: 4, positive: 4, positive conditional: 4, 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: 4, positive: 4, positive conditional: 0, positive unconditional: 4, 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: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 407, Positive cache size: 406, Positive conditional cache size: 406, Positive unconditional cache size: 0, Negative cache size: 1, Negative conditional cache size: 1, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 24542.7ms, 303 PlacesBefore, 303 PlacesAfterwards, 4058 TransitionsBefore, 4058 TransitionsAfterwards, 9024 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): 407, Positive cache size: 406, Positive conditional cache size: 406, Positive unconditional cache size: 0, Negative cache size: 1, Negative conditional cache size: 1, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26943.7ms, 307 PlacesBefore, 304 PlacesAfterwards, 4050 TransitionsBefore, 4050 TransitionsAfterwards, 9000 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): 407, Positive cache size: 406, Positive conditional cache size: 406, Positive unconditional cache size: 0, Negative cache size: 1, Negative conditional cache size: 1, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 31901.6ms, 307 PlacesBefore, 307 PlacesAfterwards, 4353 TransitionsBefore, 4353 TransitionsAfterwards, 9394 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): 407, Positive cache size: 406, Positive conditional cache size: 406, Positive unconditional cache size: 0, Negative cache size: 1, Negative conditional cache size: 1, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38879.2ms, 302 PlacesBefore, 290 PlacesAfterwards, 4120 TransitionsBefore, 4120 TransitionsAfterwards, 8870 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): 407, Positive cache size: 406, Positive conditional cache size: 406, Positive unconditional cache size: 0, Negative cache size: 1, Negative conditional cache size: 1, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 68). Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (9states, 14/77 universal loopers) in iteration 29,while PetriNetUnfolder was constructing finite prefix that currently has 527071 conditions, 40053 events (20831/40052 cut-off events. For 2849129/2849153 co-relation queries the response was YES. Maximal size of possible extension queue 3064. Compared 429074 event pairs, 2005 based on Foata normal form. 1317/42731 useless extension candidates. Maximal degree in co-relation 525472. Up to 23298 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 9.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 820162.8ms, OverallIterations: 29, TraceHistogramMax: 2, EmptinessCheckTime: 0.0ms, AutomataDifference: 648978.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 440.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 361 SDtfs, 1165 SDslu, 205 SDs, 0 SdLazy, 6811 SolverSat, 864 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3422.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 625 GetRequests, 307 SyntacticMatches, 9 SemanticMatches, 309 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1001 ImplicationChecksByTransitivity, 2834.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=123256occurred in iteration=27, InterpolantAutomatonStates: 265, 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: 113.7ms SsaConstructionTime, 411.9ms SatisfiabilityAnalysisTime, 4217.4ms InterpolantComputationTime, 836 NumberOfCodeBlocks, 836 NumberOfCodeBlocksAsserted, 69 NumberOfCheckSat, 783 ConstructedInterpolants, 0 QuantifiedInterpolants, 6870 SizeOfPredicates, 44 NumberOfNonLiveVariables, 1513 ConjunctsInSsa, 268 ConjunctsInUnsatCore, 53 InterpolantComputations, 5 PerfectInterpolantSequences, 85/205 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