/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/counter-determinism.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 05:59:47,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 05:59:47,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 05:59:47,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-29 05:59:47,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-29 05:59:47,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-29 05:59:47,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-29 05:59:47,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-29 05:59:47,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-29 05:59:47,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-29 05:59:47,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-29 05:59:47,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-29 05:59:47,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 05:59:47,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 05:59:47,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 05:59:47,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 05:59:47,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 05:59:47,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 05:59:47,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 05:59:47,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 05:59:47,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 05:59:47,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 05:59:47,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 05:59:47,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 05:59:47,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-29 05:59:47,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-29 05:59:47,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-29 05:59:47,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-29 05:59:47,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-29 05:59:47,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-29 05:59:47,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-29 05:59:47,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-29 05:59:47,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-29 05:59:47,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 05:59:47,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 05:59:47,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 05:59:47,547 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 [2021-04-29 05:59:47,575 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 05:59:47,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 05:59:47,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 05:59:47,577 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 05:59:47,578 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 05:59:47,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 05:59:47,578 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 05:59:47,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 05:59:47,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 05:59:47,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 05:59:47,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 05:59:47,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 05:59:47,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 05:59:47,580 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 05:59:47,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 05:59:47,581 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 05:59:47,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 05:59:47,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 05:59:47,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 05:59:47,582 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 05:59:47,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 05:59:47,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 05:59:47,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 05:59:47,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 05:59:47,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 05:59:47,584 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 05:59:47,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 05:59:47,584 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 05:59:47,584 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 05:59:47,585 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 05:59:47,585 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 05:59:47,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 05:59:47,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 05:59:47,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 05:59:47,971 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-04-29 05:59:47,977 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-04-29 05:59:47,978 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-determinism.wvr.bpl [2021-04-29 05:59:47,979 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-determinism.wvr.bpl' [2021-04-29 05:59:48,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 05:59:48,087 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-29 05:59:48,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 05:59:48,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 05:59:48,089 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 05:59:48,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:59:48" (1/1) ... [2021-04-29 05:59:48,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:59:48" (1/1) ... [2021-04-29 05:59:48,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 05:59:48,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 05:59:48,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 05:59:48,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 05:59:48,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:59:48" (1/1) ... [2021-04-29 05:59:48,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:59:48" (1/1) ... [2021-04-29 05:59:48,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:59:48" (1/1) ... [2021-04-29 05:59:48,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:59:48" (1/1) ... [2021-04-29 05:59:48,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:59:48" (1/1) ... [2021-04-29 05:59:48,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:59:48" (1/1) ... [2021-04-29 05:59:48,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:59:48" (1/1) ... [2021-04-29 05:59:48,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 05:59:48,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 05:59:48,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 05:59:48,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 05:59:48,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:59:48" (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 [2021-04-29 05:59:48,287 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-04-29 05:59:48,290 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-04-29 05:59:48,291 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-04-29 05:59:48,291 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-04-29 05:59:48,292 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-04-29 05:59:48,292 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-04-29 05:59:48,292 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-04-29 05:59:48,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 05:59:48,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 05:59:48,293 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-04-29 05:59:48,293 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-04-29 05:59:48,295 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-04-29 05:59:48,295 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-04-29 05:59:48,295 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-04-29 05:59:48,295 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-04-29 05:59:48,296 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 05:59:48,563 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 05:59:48,563 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-04-29 05:59:48,566 INFO L202 PluginConnector]: Adding new model counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 05:59:48 BoogieIcfgContainer [2021-04-29 05:59:48,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 05:59:48,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 05:59:48,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 05:59:48,572 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 05:59:48,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:59:48" (1/2) ... [2021-04-29 05:59:48,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7423dc32 and model type counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 05:59:48, skipping insertion in model container [2021-04-29 05:59:48,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 05:59:48" (2/2) ... [2021-04-29 05:59:48,575 INFO L111 eAbstractionObserver]: Analyzing ICFG counter-determinism.wvr.bpl [2021-04-29 05:59:48,583 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 05:59:48,588 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-29 05:59:48,590 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 05:59:48,710 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-04-29 05:59:48,736 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-04-29 05:59:48,762 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 05:59:48,762 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 05:59:48,763 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 05:59:48,763 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 05:59:48,763 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 05:59:48,763 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 05:59:48,763 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 05:59:48,763 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 05:59:48,777 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 39 transitions, 110 flow [2021-04-29 05:59:48,813 INFO L129 PetriNetUnfolder]: 4/35 cut-off events. [2021-04-29 05:59:48,813 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-04-29 05:59:48,818 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 35 events. 4/35 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 38 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2021-04-29 05:59:48,818 INFO L82 GeneralOperation]: Start removeDead. Operand has 48 places, 39 transitions, 110 flow [2021-04-29 05:59:48,824 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 42 places, 33 transitions, 90 flow [2021-04-29 05:59:48,826 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:59:48,845 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 33 transitions, 90 flow [2021-04-29 05:59:48,849 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 33 transitions, 90 flow [2021-04-29 05:59:48,851 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 33 transitions, 90 flow [2021-04-29 05:59:48,867 INFO L129 PetriNetUnfolder]: 4/33 cut-off events. [2021-04-29 05:59:48,868 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-04-29 05:59:48,869 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 33 events. 4/33 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 44 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2021-04-29 05:59:48,872 INFO L146 LiptonReduction]: Number of co-enabled transitions 288 [2021-04-29 05:59:49,516 INFO L158 LiptonReduction]: Checked pairs total: 120 [2021-04-29 05:59:49,516 INFO L160 LiptonReduction]: Total number of compositions: 22 [2021-04-29 05:59:49,519 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 694 [2021-04-29 05:59:49,539 INFO L129 PetriNetUnfolder]: 4/34 cut-off events. [2021-04-29 05:59:49,539 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-04-29 05:59:49,539 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:59:49,540 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:59:49,541 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:59:49,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:59:49,547 INFO L82 PathProgramCache]: Analyzing trace with hash -295013628, now seen corresponding path program 1 times [2021-04-29 05:59:49,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:59:49,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305208185] [2021-04-29 05:59:49,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:59:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:59:49,755 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 05:59:49,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:59:49,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:59:49,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305208185] [2021-04-29 05:59:49,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:59:49,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 05:59:49,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3458152] [2021-04-29 05:59:49,784 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 05:59:49,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:59:49,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 05:59:49,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 05:59:49,804 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 61 [2021-04-29 05:59:49,806 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 35 transitions, 94 flow. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:49,806 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:59:49,806 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 61 [2021-04-29 05:59:49,808 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:59:49,851 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([128] L56-1-->L56-1: Formula: (and (= (+ v_counter2_23 (- 1)) v_counter2_22) (< 0 v_counter2_23) (< v_j2_13 v_N2_10) (= (+ v_j2_13 1) v_j2_12)) InVars {counter2=v_counter2_23, j2=v_j2_13, N2=v_N2_10} OutVars{counter2=v_counter2_22, j2=v_j2_12, N2=v_N2_10} AuxVars[] AssignedVars[counter2, j2][32], [17#L22-1true, thread4Thread1of1ForFork3InUse, thread3Thread1of1ForFork2InUse, 69#true, 38#L45-1true, 39#L77true, 23#L56-1true, 10#L33-1true, thread2Thread1of1ForFork1InUse, thread1Thread1of1ForFork0InUse]) [2021-04-29 05:59:49,851 INFO L384 tUnfolder$Statistics]: this new event has 7 ancestors and is cut-off event [2021-04-29 05:59:49,852 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-04-29 05:59:49,852 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-04-29 05:59:49,852 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-04-29 05:59:49,865 INFO L129 PetriNetUnfolder]: 19/70 cut-off events. [2021-04-29 05:59:49,866 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2021-04-29 05:59:49,867 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 70 events. 19/70 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 217 event pairs, 0 based on Foata normal form. 1/42 useless extension candidates. Maximal degree in co-relation 80. Up to 26 conditions per place. [2021-04-29 05:59:49,869 INFO L132 encePairwiseOnDemand]: 53/61 looper letters, 5 selfloop transitions, 5 changer transitions 9/39 dead transitions. [2021-04-29 05:59:49,869 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 39 transitions, 132 flow [2021-04-29 05:59:49,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 05:59:49,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 05:59:49,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 128 transitions. [2021-04-29 05:59:49,889 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6994535519125683 [2021-04-29 05:59:49,890 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 128 transitions. [2021-04-29 05:59:49,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 128 transitions. [2021-04-29 05:59:49,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:59:49,895 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 128 transitions. [2021-04-29 05:59:49,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:49,911 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:49,912 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:49,913 INFO L185 Difference]: Start difference. First operand has 44 places, 35 transitions, 94 flow. Second operand 3 states and 128 transitions. [2021-04-29 05:59:49,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 39 transitions, 132 flow [2021-04-29 05:59:49,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 39 transitions, 116 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-04-29 05:59:49,919 INFO L241 Difference]: Finished difference. Result has 39 places, 30 transitions, 93 flow [2021-04-29 05:59:49,922 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=93, PETRI_PLACES=39, PETRI_TRANSITIONS=30} [2021-04-29 05:59:49,922 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, -5 predicate places. [2021-04-29 05:59:49,923 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:59:49,923 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 30 transitions, 93 flow [2021-04-29 05:59:49,924 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 30 transitions, 93 flow [2021-04-29 05:59:49,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 30 places, 30 transitions, 93 flow [2021-04-29 05:59:49,934 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([128] L56-1-->L56-1: Formula: (and (= (+ v_counter2_23 (- 1)) v_counter2_22) (< 0 v_counter2_23) (< v_j2_13 v_N2_10) (= (+ v_j2_13 1) v_j2_12)) InVars {counter2=v_counter2_23, j2=v_j2_13, N2=v_N2_10} OutVars{counter2=v_counter2_22, j2=v_j2_12, N2=v_N2_10} AuxVars[] AssignedVars[counter2, j2][0], [17#L22-1true, 69#true, 38#L45-1true, 23#L56-1true, 39#L77true, Black: 71#(and (< counter1 (+ counter2 1)) (<= counter2 counter1)), 10#L33-1true]) [2021-04-29 05:59:49,935 INFO L384 tUnfolder$Statistics]: this new event has 7 ancestors and is cut-off event [2021-04-29 05:59:49,935 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-04-29 05:59:49,935 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-04-29 05:59:49,935 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-04-29 05:59:49,941 INFO L129 PetriNetUnfolder]: 19/61 cut-off events. [2021-04-29 05:59:49,942 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 05:59:49,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 61 events. 19/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 175 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 68. Up to 22 conditions per place. [2021-04-29 05:59:49,945 INFO L146 LiptonReduction]: Number of co-enabled transitions 372 [2021-04-29 05:59:49,949 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:59:49,949 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:59:49,949 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26 [2021-04-29 05:59:49,951 INFO L480 AbstractCegarLoop]: Abstraction has has 30 places, 30 transitions, 93 flow [2021-04-29 05:59:49,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:49,952 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:59:49,952 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:59:49,952 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 05:59:49,953 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:59:49,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:59:49,954 INFO L82 PathProgramCache]: Analyzing trace with hash 247007617, now seen corresponding path program 1 times [2021-04-29 05:59:49,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:59:49,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546071559] [2021-04-29 05:59:49,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:59:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:59:49,993 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 05:59:49,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:50,003 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 05:59:50,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:50,019 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-04-29 05:59:50,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:50,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:50,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:50,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:59:50,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546071559] [2021-04-29 05:59:50,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:59:50,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 05:59:50,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536184784] [2021-04-29 05:59:50,030 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 05:59:50,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:59:50,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 05:59:50,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 05:59:50,036 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 28 out of 61 [2021-04-29 05:59:50,039 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 30 transitions, 93 flow. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 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) [2021-04-29 05:59:50,039 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:59:50,040 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 28 of 61 [2021-04-29 05:59:50,040 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:59:50,285 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([128] L56-1-->L56-1: Formula: (and (= (+ v_counter2_23 (- 1)) v_counter2_22) (< 0 v_counter2_23) (< v_j2_13 v_N2_10) (= (+ v_j2_13 1) v_j2_12)) InVars {counter2=v_counter2_23, j2=v_j2_13, N2=v_N2_10} OutVars{counter2=v_counter2_22, j2=v_j2_12, N2=v_N2_10} AuxVars[] AssignedVars[counter2, j2][31], [69#true, 38#L45-1true, 23#L56-1true, 39#L77true, Black: 71#(and (< counter1 (+ counter2 1)) (<= counter2 counter1)), 10#L33-1true, 59#true, 79#(and (<= j2 i1) (= N2 N1) (<= N2 i1))]) [2021-04-29 05:59:50,285 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-04-29 05:59:50,285 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-04-29 05:59:50,286 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-04-29 05:59:50,286 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-04-29 05:59:50,296 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([128] L56-1-->L56-1: Formula: (and (= (+ v_counter2_23 (- 1)) v_counter2_22) (< 0 v_counter2_23) (< v_j2_13 v_N2_10) (= (+ v_j2_13 1) v_j2_12)) InVars {counter2=v_counter2_23, j2=v_j2_13, N2=v_N2_10} OutVars{counter2=v_counter2_22, j2=v_j2_12, N2=v_N2_10} AuxVars[] AssignedVars[counter2, j2][31], [69#true, 38#L45-1true, 39#L77true, 23#L56-1true, Black: 71#(and (< counter1 (+ counter2 1)) (<= counter2 counter1)), 10#L33-1true, 13#thread1EXITtrue, 79#(and (<= j2 i1) (= N2 N1) (<= N2 i1))]) [2021-04-29 05:59:50,296 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-04-29 05:59:50,296 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-04-29 05:59:50,296 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-04-29 05:59:50,296 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-04-29 05:59:50,307 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([106] L56-1-->L56: Formula: (< v_j2_5 v_N2_5) InVars {j2=v_j2_5, N2=v_N2_5} OutVars{j2=v_j2_5, N2=v_N2_5} AuxVars[] AssignedVars[][37], [69#true, 38#L45-1true, 54#true, 39#L77true, Black: 71#(and (< counter1 (+ counter2 1)) (<= counter2 counter1)), 10#L33-1true, 59#true, 79#(and (<= j2 i1) (= N2 N1) (<= N2 i1))]) [2021-04-29 05:59:50,308 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-04-29 05:59:50,308 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-04-29 05:59:50,308 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-04-29 05:59:50,308 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-04-29 05:59:50,309 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([106] L56-1-->L56: Formula: (< v_j2_5 v_N2_5) InVars {j2=v_j2_5, N2=v_N2_5} OutVars{j2=v_j2_5, N2=v_N2_5} AuxVars[] AssignedVars[][37], [69#true, 38#L45-1true, 54#true, 39#L77true, Black: 71#(and (< counter1 (+ counter2 1)) (<= counter2 counter1)), 10#L33-1true, 13#thread1EXITtrue, 79#(and (<= j2 i1) (= N2 N1) (<= N2 i1))]) [2021-04-29 05:59:50,309 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-04-29 05:59:50,310 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-04-29 05:59:50,310 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-04-29 05:59:50,310 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-04-29 05:59:50,356 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([107] L56-1-->thread4FINAL: Formula: (not (< v_j2_4 v_N2_4)) InVars {j2=v_j2_4, N2=v_N2_4} OutVars{j2=v_j2_4, N2=v_N2_4} AuxVars[] AssignedVars[][36], [69#true, 38#L45-1true, 39#L77true, Black: 71#(and (< counter1 (+ counter2 1)) (<= counter2 counter1)), 10#L33-1true, 59#true, 60#true, 79#(and (<= j2 i1) (= N2 N1) (<= N2 i1))]) [2021-04-29 05:59:50,357 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is not cut-off event [2021-04-29 05:59:50,357 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-04-29 05:59:50,357 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-04-29 05:59:50,357 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-04-29 05:59:50,358 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([133] L56-1-->thread4EXIT: Formula: (not (< v_j2_16 v_N2_14)) InVars {j2=v_j2_16, N2=v_N2_14} OutVars{j2=v_j2_16, N2=v_N2_14} AuxVars[] AssignedVars[][38], [35#thread4EXITtrue, 69#true, 38#L45-1true, 39#L77true, Black: 71#(and (< counter1 (+ counter2 1)) (<= counter2 counter1)), 10#L33-1true, 59#true, 79#(and (<= j2 i1) (= N2 N1) (<= N2 i1))]) [2021-04-29 05:59:50,358 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is not cut-off event [2021-04-29 05:59:50,359 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-04-29 05:59:50,359 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-04-29 05:59:50,359 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-04-29 05:59:50,373 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([107] L56-1-->thread4FINAL: Formula: (not (< v_j2_4 v_N2_4)) InVars {j2=v_j2_4, N2=v_N2_4} OutVars{j2=v_j2_4, N2=v_N2_4} AuxVars[] AssignedVars[][36], [69#true, 38#L45-1true, 39#L77true, Black: 71#(and (< counter1 (+ counter2 1)) (<= counter2 counter1)), 10#L33-1true, 60#true, 13#thread1EXITtrue, 79#(and (<= j2 i1) (= N2 N1) (<= N2 i1))]) [2021-04-29 05:59:50,373 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is not cut-off event [2021-04-29 05:59:50,373 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-04-29 05:59:50,373 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-04-29 05:59:50,374 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-04-29 05:59:50,374 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([133] L56-1-->thread4EXIT: Formula: (not (< v_j2_16 v_N2_14)) InVars {j2=v_j2_16, N2=v_N2_14} OutVars{j2=v_j2_16, N2=v_N2_14} AuxVars[] AssignedVars[][38], [35#thread4EXITtrue, 69#true, 38#L45-1true, 39#L77true, Black: 71#(and (< counter1 (+ counter2 1)) (<= counter2 counter1)), 10#L33-1true, 13#thread1EXITtrue, 79#(and (<= j2 i1) (= N2 N1) (<= N2 i1))]) [2021-04-29 05:59:50,374 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is not cut-off event [2021-04-29 05:59:50,375 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-04-29 05:59:50,375 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-04-29 05:59:50,375 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-04-29 05:59:50,551 INFO L129 PetriNetUnfolder]: 2534/3468 cut-off events. [2021-04-29 05:59:50,551 INFO L130 PetriNetUnfolder]: For 732/890 co-relation queries the response was YES. [2021-04-29 05:59:50,561 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7857 conditions, 3468 events. 2534/3468 cut-off events. For 732/890 co-relation queries the response was YES. Maximal size of possible extension queue 438. Compared 17441 event pairs, 332 based on Foata normal form. 65/1789 useless extension candidates. Maximal degree in co-relation 7725. Up to 1726 conditions per place. [2021-04-29 05:59:50,571 INFO L132 encePairwiseOnDemand]: 53/61 looper letters, 32 selfloop transitions, 5 changer transitions 17/63 dead transitions. [2021-04-29 05:59:50,571 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 63 transitions, 290 flow [2021-04-29 05:59:50,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 05:59:50,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 05:59:50,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 161 transitions. [2021-04-29 05:59:50,580 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6598360655737705 [2021-04-29 05:59:50,580 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 161 transitions. [2021-04-29 05:59:50,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 161 transitions. [2021-04-29 05:59:50,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:59:50,582 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 161 transitions. [2021-04-29 05:59:50,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 40.25) internal successors, (161), 4 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) [2021-04-29 05:59:50,586 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 61.0) internal successors, (305), 5 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:50,588 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 61.0) internal successors, (305), 5 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:50,588 INFO L185 Difference]: Start difference. First operand has 30 places, 30 transitions, 93 flow. Second operand 4 states and 161 transitions. [2021-04-29 05:59:50,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 63 transitions, 290 flow [2021-04-29 05:59:50,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 63 transitions, 282 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 05:59:50,596 INFO L241 Difference]: Finished difference. Result has 34 places, 32 transitions, 127 flow [2021-04-29 05:59:50,596 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=127, PETRI_PLACES=34, PETRI_TRANSITIONS=32} [2021-04-29 05:59:50,597 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, -10 predicate places. [2021-04-29 05:59:50,597 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:59:50,598 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 32 transitions, 127 flow [2021-04-29 05:59:50,598 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 32 transitions, 127 flow [2021-04-29 05:59:50,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 32 transitions, 127 flow [2021-04-29 05:59:50,604 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([128] L56-1-->L56-1: Formula: (and (= (+ v_counter2_23 (- 1)) v_counter2_22) (< 0 v_counter2_23) (< v_j2_13 v_N2_10) (= (+ v_j2_13 1) v_j2_12)) InVars {counter2=v_counter2_23, j2=v_j2_13, N2=v_N2_10} OutVars{counter2=v_counter2_22, j2=v_j2_12, N2=v_N2_10} AuxVars[] AssignedVars[counter2, j2][8], [Black: 76#(and (<= j2 i1) (= N2 N1)), 38#L45-1true, 39#L77true, 23#L56-1true, Black: 71#(and (< counter1 (+ counter2 1)) (<= counter2 counter1)), 10#L33-1true, 13#thread1EXITtrue, 79#(and (<= j2 i1) (= N2 N1) (<= N2 i1))]) [2021-04-29 05:59:50,604 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-04-29 05:59:50,604 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-04-29 05:59:50,605 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-04-29 05:59:50,605 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-04-29 05:59:50,611 INFO L129 PetriNetUnfolder]: 33/91 cut-off events. [2021-04-29 05:59:50,611 INFO L130 PetriNetUnfolder]: For 16/20 co-relation queries the response was YES. [2021-04-29 05:59:50,612 INFO L84 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 91 events. 33/91 cut-off events. For 16/20 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 306 event pairs, 2 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 133. Up to 31 conditions per place. [2021-04-29 05:59:50,614 INFO L146 LiptonReduction]: Number of co-enabled transitions 354 [2021-04-29 05:59:50,618 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:59:50,618 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:59:50,618 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-04-29 05:59:50,622 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 32 transitions, 127 flow [2021-04-29 05:59:50,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 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) [2021-04-29 05:59:50,623 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:59:50,623 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:59:50,623 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-29 05:59:50,623 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:59:50,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:59:50,625 INFO L82 PathProgramCache]: Analyzing trace with hash -646393425, now seen corresponding path program 2 times [2021-04-29 05:59:50,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:59:50,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355678072] [2021-04-29 05:59:50,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:59:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:59:50,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:50,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:59:50,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:50,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:59:50,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:50,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:50,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:59:50,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355678072] [2021-04-29 05:59:50,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:59:50,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 05:59:50,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662319464] [2021-04-29 05:59:50,701 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 05:59:50,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:59:50,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 05:59:50,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 05:59:50,703 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 61 [2021-04-29 05:59:50,704 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 32 transitions, 127 flow. Second operand 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) [2021-04-29 05:59:50,704 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:59:50,704 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 61 [2021-04-29 05:59:50,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:59:50,758 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([128] L56-1-->L56-1: Formula: (and (= (+ v_counter2_23 (- 1)) v_counter2_22) (< 0 v_counter2_23) (< v_j2_13 v_N2_10) (= (+ v_j2_13 1) v_j2_12)) InVars {counter2=v_counter2_23, j2=v_j2_13, N2=v_N2_10} OutVars{counter2=v_counter2_22, j2=v_j2_12, N2=v_N2_10} AuxVars[] AssignedVars[counter2, j2][23], [Black: 76#(and (<= j2 i1) (= N2 N1)), 38#L45-1true, 23#L56-1true, 39#L77true, 88#(and (<= N1 i1) (<= j1 i1)), Black: 71#(and (< counter1 (+ counter2 1)) (<= counter2 counter1)), 10#L33-1true, 13#thread1EXITtrue, 79#(and (<= j2 i1) (= N2 N1) (<= N2 i1))]) [2021-04-29 05:59:50,758 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-04-29 05:59:50,758 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-04-29 05:59:50,758 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-04-29 05:59:50,758 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-04-29 05:59:50,791 INFO L129 PetriNetUnfolder]: 165/377 cut-off events. [2021-04-29 05:59:50,791 INFO L130 PetriNetUnfolder]: For 184/208 co-relation queries the response was YES. [2021-04-29 05:59:50,794 INFO L84 FinitePrefix]: Finished finitePrefix Result has 819 conditions, 377 events. 165/377 cut-off events. For 184/208 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 2054 event pairs, 17 based on Foata normal form. 9/288 useless extension candidates. Maximal degree in co-relation 690. Up to 150 conditions per place. [2021-04-29 05:59:50,797 INFO L132 encePairwiseOnDemand]: 54/61 looper letters, 17 selfloop transitions, 11 changer transitions 0/50 dead transitions. [2021-04-29 05:59:50,798 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 50 transitions, 243 flow [2021-04-29 05:59:50,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 05:59:50,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 05:59:50,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 198 transitions. [2021-04-29 05:59:50,800 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6491803278688525 [2021-04-29 05:59:50,800 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 198 transitions. [2021-04-29 05:59:50,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 198 transitions. [2021-04-29 05:59:50,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:59:50,800 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 198 transitions. [2021-04-29 05:59:50,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 39.6) internal successors, (198), 5 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) [2021-04-29 05:59:50,803 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 61.0) internal successors, (366), 6 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:50,804 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 61.0) internal successors, (366), 6 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:50,804 INFO L185 Difference]: Start difference. First operand has 32 places, 32 transitions, 127 flow. Second operand 5 states and 198 transitions. [2021-04-29 05:59:50,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 50 transitions, 243 flow [2021-04-29 05:59:50,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 50 transitions, 240 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 05:59:50,808 INFO L241 Difference]: Finished difference. Result has 38 places, 42 transitions, 221 flow [2021-04-29 05:59:50,808 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=221, PETRI_PLACES=38, PETRI_TRANSITIONS=42} [2021-04-29 05:59:50,809 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, -6 predicate places. [2021-04-29 05:59:50,809 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:59:50,809 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 42 transitions, 221 flow [2021-04-29 05:59:50,809 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 42 transitions, 221 flow [2021-04-29 05:59:50,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 42 transitions, 221 flow [2021-04-29 05:59:50,822 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([128] L56-1-->L56-1: Formula: (and (= (+ v_counter2_23 (- 1)) v_counter2_22) (< 0 v_counter2_23) (< v_j2_13 v_N2_10) (= (+ v_j2_13 1) v_j2_12)) InVars {counter2=v_counter2_23, j2=v_j2_13, N2=v_N2_10} OutVars{counter2=v_counter2_22, j2=v_j2_12, N2=v_N2_10} AuxVars[] AssignedVars[counter2, j2][12], [Black: 76#(and (<= j2 i1) (= N2 N1)), 38#L45-1true, 39#L77true, 23#L56-1true, 88#(and (<= N1 i1) (<= j1 i1)), Black: 71#(and (< counter1 (+ counter2 1)) (<= counter2 counter1)), 10#L33-1true, Black: 85#(<= j1 i1), Black: 86#(<= N1 i1), 13#thread1EXITtrue, 79#(and (<= j2 i1) (= N2 N1) (<= N2 i1))]) [2021-04-29 05:59:50,822 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-04-29 05:59:50,822 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-04-29 05:59:50,823 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-04-29 05:59:50,823 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-04-29 05:59:50,834 INFO L129 PetriNetUnfolder]: 82/208 cut-off events. [2021-04-29 05:59:50,835 INFO L130 PetriNetUnfolder]: For 160/183 co-relation queries the response was YES. [2021-04-29 05:59:50,836 INFO L84 FinitePrefix]: Finished finitePrefix Result has 490 conditions, 208 events. 82/208 cut-off events. For 160/183 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1033 event pairs, 8 based on Foata normal form. 2/160 useless extension candidates. Maximal degree in co-relation 418. Up to 87 conditions per place. [2021-04-29 05:59:50,840 INFO L146 LiptonReduction]: Number of co-enabled transitions 504 [2021-04-29 05:59:50,846 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:59:50,846 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:59:50,846 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-04-29 05:59:50,848 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 42 transitions, 221 flow [2021-04-29 05:59:50,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has 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) [2021-04-29 05:59:50,848 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:59:50,848 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:59:50,848 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-29 05:59:50,849 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:59:50,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:59:50,849 INFO L82 PathProgramCache]: Analyzing trace with hash -2012071551, now seen corresponding path program 3 times [2021-04-29 05:59:50,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:59:50,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445685303] [2021-04-29 05:59:50,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:59:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:59:50,876 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 05:59:50,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:50,883 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 05:59:50,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:59:50,892 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-04-29 05:59:50,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:50,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:50,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:50,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:59:50,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445685303] [2021-04-29 05:59:50,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786136064] [2021-04-29 05:59:50,895 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 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 [2021-04-29 05:59:50,946 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-04-29 05:59:50,946 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 05:59:50,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2021-04-29 05:59:50,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 05:59:50,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:50,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:50,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:50,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:50,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:50,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:50,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:50,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:50,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:50,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:50,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:50,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:50,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:50,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:50,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:50,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:50,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:50,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:50,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:50,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:50,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:50,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:50,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:50,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:50,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:50,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:50,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:50,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:50,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:50,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:50,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:50,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:50,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:50,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:50,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:50,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:50,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:51,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:51,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 05:59:51,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:51,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 05:59:51,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 05:59:51,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:51,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 05:59:51,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:51,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:51,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:51,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:51,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:51,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:51,063 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-04-29 05:59:51,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:51,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 05:59:51,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:51,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 05:59:51,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:51,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:51,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:51,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:51,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:51,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:51,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:51,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:51,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:51,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:51,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:51,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:51,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:51,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:51,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:51,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:51,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:51,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:51,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:51,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:51,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:51,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:59:51,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 05:59:51,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-04-29 05:59:51,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049010239] [2021-04-29 05:59:51,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 05:59:51,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:59:51,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 05:59:51,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-04-29 05:59:51,094 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 28 out of 61 [2021-04-29 05:59:51,095 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 42 transitions, 221 flow. Second operand has 6 states, 6 states have (on average 29.666666666666668) internal successors, (178), 6 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:51,095 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:59:51,095 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 28 of 61 [2021-04-29 05:59:51,096 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:59:51,643 INFO L129 PetriNetUnfolder]: 2317/3413 cut-off events. [2021-04-29 05:59:51,643 INFO L130 PetriNetUnfolder]: For 5431/5898 co-relation queries the response was YES. [2021-04-29 05:59:51,653 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10779 conditions, 3413 events. 2317/3413 cut-off events. For 5431/5898 co-relation queries the response was YES. Maximal size of possible extension queue 388. Compared 18384 event pairs, 593 based on Foata normal form. 73/2623 useless extension candidates. Maximal degree in co-relation 10517. Up to 1547 conditions per place. [2021-04-29 05:59:51,664 INFO L132 encePairwiseOnDemand]: 55/61 looper letters, 42 selfloop transitions, 9 changer transitions 44/104 dead transitions. [2021-04-29 05:59:51,665 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 104 transitions, 754 flow [2021-04-29 05:59:51,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 05:59:51,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 05:59:51,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 193 transitions. [2021-04-29 05:59:51,667 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6327868852459017 [2021-04-29 05:59:51,668 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 193 transitions. [2021-04-29 05:59:51,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 193 transitions. [2021-04-29 05:59:51,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:59:51,668 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 193 transitions. [2021-04-29 05:59:51,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 38.6) internal successors, (193), 5 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:51,673 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 61.0) internal successors, (366), 6 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:51,674 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 61.0) internal successors, (366), 6 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:51,674 INFO L185 Difference]: Start difference. First operand has 38 places, 42 transitions, 221 flow. Second operand 5 states and 193 transitions. [2021-04-29 05:59:51,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 104 transitions, 754 flow [2021-04-29 05:59:51,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 104 transitions, 754 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-29 05:59:51,717 INFO L241 Difference]: Finished difference. Result has 45 places, 38 transitions, 256 flow [2021-04-29 05:59:51,718 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=221, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=256, PETRI_PLACES=45, PETRI_TRANSITIONS=38} [2021-04-29 05:59:51,718 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 1 predicate places. [2021-04-29 05:59:51,718 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:59:51,718 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 38 transitions, 256 flow [2021-04-29 05:59:51,719 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 38 transitions, 256 flow [2021-04-29 05:59:51,720 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 38 transitions, 256 flow [2021-04-29 05:59:51,741 INFO L129 PetriNetUnfolder]: 70/161 cut-off events. [2021-04-29 05:59:51,741 INFO L130 PetriNetUnfolder]: For 236/258 co-relation queries the response was YES. [2021-04-29 05:59:51,743 INFO L84 FinitePrefix]: Finished finitePrefix Result has 475 conditions, 161 events. 70/161 cut-off events. For 236/258 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 632 event pairs, 3 based on Foata normal form. 1/147 useless extension candidates. Maximal degree in co-relation 433. Up to 75 conditions per place. [2021-04-29 05:59:51,747 INFO L146 LiptonReduction]: Number of co-enabled transitions 242 [2021-04-29 05:59:51,753 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:59:51,754 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:59:51,754 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 36 [2021-04-29 05:59:51,756 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 38 transitions, 256 flow [2021-04-29 05:59:51,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 29.666666666666668) internal successors, (178), 6 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:51,756 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:59:51,757 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:59:51,970 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 05:59:51,971 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:59:51,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:59:51,972 INFO L82 PathProgramCache]: Analyzing trace with hash -654063041, now seen corresponding path program 1 times [2021-04-29 05:59:51,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:59:51,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927735324] [2021-04-29 05:59:51,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:59:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:59:52,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:59:52,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:52,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:59:52,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927735324] [2021-04-29 05:59:52,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:59:52,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 05:59:52,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986612760] [2021-04-29 05:59:52,011 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 05:59:52,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:59:52,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 05:59:52,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 05:59:52,013 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 61 [2021-04-29 05:59:52,015 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 38 transitions, 256 flow. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:52,015 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:59:52,015 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 61 [2021-04-29 05:59:52,015 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:59:52,049 INFO L129 PetriNetUnfolder]: 69/183 cut-off events. [2021-04-29 05:59:52,049 INFO L130 PetriNetUnfolder]: For 322/345 co-relation queries the response was YES. [2021-04-29 05:59:52,051 INFO L84 FinitePrefix]: Finished finitePrefix Result has 558 conditions, 183 events. 69/183 cut-off events. For 322/345 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 807 event pairs, 5 based on Foata normal form. 12/186 useless extension candidates. Maximal degree in co-relation 496. Up to 79 conditions per place. [2021-04-29 05:59:52,053 INFO L132 encePairwiseOnDemand]: 58/61 looper letters, 4 selfloop transitions, 4 changer transitions 0/39 dead transitions. [2021-04-29 05:59:52,054 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 39 transitions, 284 flow [2021-04-29 05:59:52,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 05:59:52,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 05:59:52,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 136 transitions. [2021-04-29 05:59:52,070 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7431693989071039 [2021-04-29 05:59:52,070 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 136 transitions. [2021-04-29 05:59:52,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 136 transitions. [2021-04-29 05:59:52,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:59:52,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 136 transitions. [2021-04-29 05:59:52,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 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) [2021-04-29 05:59:52,073 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:52,073 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:52,073 INFO L185 Difference]: Start difference. First operand has 38 places, 38 transitions, 256 flow. Second operand 3 states and 136 transitions. [2021-04-29 05:59:52,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 39 transitions, 284 flow [2021-04-29 05:59:52,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 39 transitions, 280 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-04-29 05:59:52,078 INFO L241 Difference]: Finished difference. Result has 40 places, 38 transitions, 276 flow [2021-04-29 05:59:52,079 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=276, PETRI_PLACES=40, PETRI_TRANSITIONS=38} [2021-04-29 05:59:52,079 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, -4 predicate places. [2021-04-29 05:59:52,079 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:59:52,079 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 38 transitions, 276 flow [2021-04-29 05:59:52,080 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 38 transitions, 276 flow [2021-04-29 05:59:52,080 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 38 transitions, 276 flow [2021-04-29 05:59:52,106 INFO L129 PetriNetUnfolder]: 75/193 cut-off events. [2021-04-29 05:59:52,106 INFO L130 PetriNetUnfolder]: For 268/286 co-relation queries the response was YES. [2021-04-29 05:59:52,107 INFO L84 FinitePrefix]: Finished finitePrefix Result has 582 conditions, 193 events. 75/193 cut-off events. For 268/286 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 887 event pairs, 7 based on Foata normal form. 3/184 useless extension candidates. Maximal degree in co-relation 484. Up to 85 conditions per place. [2021-04-29 05:59:52,111 INFO L146 LiptonReduction]: Number of co-enabled transitions 218 [2021-04-29 05:59:52,115 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:59:52,115 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:59:52,116 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-04-29 05:59:52,117 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 38 transitions, 276 flow [2021-04-29 05:59:52,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:52,117 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:59:52,117 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:59:52,118 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-29 05:59:52,118 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:59:52,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:59:52,118 INFO L82 PathProgramCache]: Analyzing trace with hash -375822270, now seen corresponding path program 1 times [2021-04-29 05:59:52,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:59:52,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261208350] [2021-04-29 05:59:52,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:59:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:59:52,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:59:52,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:59:52,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:52,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:59:52,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261208350] [2021-04-29 05:59:52,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:59:52,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 05:59:52,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271704499] [2021-04-29 05:59:52,145 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 05:59:52,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:59:52,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 05:59:52,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 05:59:52,147 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 61 [2021-04-29 05:59:52,147 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 38 transitions, 276 flow. Second operand 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) [2021-04-29 05:59:52,147 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:59:52,147 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 61 [2021-04-29 05:59:52,148 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:59:52,205 INFO L129 PetriNetUnfolder]: 79/218 cut-off events. [2021-04-29 05:59:52,205 INFO L130 PetriNetUnfolder]: For 538/627 co-relation queries the response was YES. [2021-04-29 05:59:52,206 INFO L84 FinitePrefix]: Finished finitePrefix Result has 721 conditions, 218 events. 79/218 cut-off events. For 538/627 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1068 event pairs, 6 based on Foata normal form. 41/251 useless extension candidates. Maximal degree in co-relation 606. Up to 84 conditions per place. [2021-04-29 05:59:52,209 INFO L132 encePairwiseOnDemand]: 56/61 looper letters, 23 selfloop transitions, 13 changer transitions 0/56 dead transitions. [2021-04-29 05:59:52,209 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 56 transitions, 503 flow [2021-04-29 05:59:52,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 05:59:52,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 05:59:52,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 190 transitions. [2021-04-29 05:59:52,211 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6229508196721312 [2021-04-29 05:59:52,211 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 190 transitions. [2021-04-29 05:59:52,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 190 transitions. [2021-04-29 05:59:52,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:59:52,212 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 190 transitions. [2021-04-29 05:59:52,213 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 38.0) internal successors, (190), 5 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:52,214 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 61.0) internal successors, (366), 6 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:52,214 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 61.0) internal successors, (366), 6 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:52,214 INFO L185 Difference]: Start difference. First operand has 40 places, 38 transitions, 276 flow. Second operand 5 states and 190 transitions. [2021-04-29 05:59:52,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 56 transitions, 503 flow [2021-04-29 05:59:52,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 56 transitions, 491 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-04-29 05:59:52,219 INFO L241 Difference]: Finished difference. Result has 46 places, 47 transitions, 414 flow [2021-04-29 05:59:52,220 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=414, PETRI_PLACES=46, PETRI_TRANSITIONS=47} [2021-04-29 05:59:52,220 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 2 predicate places. [2021-04-29 05:59:52,220 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:59:52,220 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 47 transitions, 414 flow [2021-04-29 05:59:52,221 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 47 transitions, 414 flow [2021-04-29 05:59:52,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 47 transitions, 414 flow [2021-04-29 05:59:52,249 INFO L129 PetriNetUnfolder]: 77/209 cut-off events. [2021-04-29 05:59:52,249 INFO L130 PetriNetUnfolder]: For 539/572 co-relation queries the response was YES. [2021-04-29 05:59:52,250 INFO L84 FinitePrefix]: Finished finitePrefix Result has 693 conditions, 209 events. 77/209 cut-off events. For 539/572 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1014 event pairs, 7 based on Foata normal form. 11/213 useless extension candidates. Maximal degree in co-relation 581. Up to 85 conditions per place. [2021-04-29 05:59:52,254 INFO L146 LiptonReduction]: Number of co-enabled transitions 260 [2021-04-29 05:59:52,260 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:59:52,261 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:59:52,261 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41 [2021-04-29 05:59:52,262 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 47 transitions, 414 flow [2021-04-29 05:59:52,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has 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) [2021-04-29 05:59:52,263 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:59:52,263 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:59:52,263 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-29 05:59:52,263 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:59:52,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:59:52,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1853288592, now seen corresponding path program 1 times [2021-04-29 05:59:52,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:59:52,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165597538] [2021-04-29 05:59:52,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:59:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:59:52,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:59:52,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:52,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:59:52,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165597538] [2021-04-29 05:59:52,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:59:52,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 05:59:52,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584442830] [2021-04-29 05:59:52,284 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 05:59:52,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:59:52,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 05:59:52,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 05:59:52,286 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 61 [2021-04-29 05:59:52,286 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 47 transitions, 414 flow. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:52,286 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:59:52,287 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 61 [2021-04-29 05:59:52,287 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:59:52,321 INFO L129 PetriNetUnfolder]: 58/172 cut-off events. [2021-04-29 05:59:52,321 INFO L130 PetriNetUnfolder]: For 548/588 co-relation queries the response was YES. [2021-04-29 05:59:52,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 608 conditions, 172 events. 58/172 cut-off events. For 548/588 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 764 event pairs, 3 based on Foata normal form. 15/180 useless extension candidates. Maximal degree in co-relation 496. Up to 70 conditions per place. [2021-04-29 05:59:52,324 INFO L132 encePairwiseOnDemand]: 58/61 looper letters, 8 selfloop transitions, 4 changer transitions 4/45 dead transitions. [2021-04-29 05:59:52,325 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 45 transitions, 420 flow [2021-04-29 05:59:52,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 05:59:52,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 05:59:52,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 150 transitions. [2021-04-29 05:59:52,326 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.819672131147541 [2021-04-29 05:59:52,326 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 150 transitions. [2021-04-29 05:59:52,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 150 transitions. [2021-04-29 05:59:52,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:59:52,327 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 150 transitions. [2021-04-29 05:59:52,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:52,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:52,329 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:52,329 INFO L185 Difference]: Start difference. First operand has 46 places, 47 transitions, 414 flow. Second operand 3 states and 150 transitions. [2021-04-29 05:59:52,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 45 transitions, 420 flow [2021-04-29 05:59:52,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 45 transitions, 412 flow, removed 4 selfloop flow, removed 0 redundant places. [2021-04-29 05:59:52,335 INFO L241 Difference]: Finished difference. Result has 49 places, 41 transitions, 364 flow [2021-04-29 05:59:52,335 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=364, PETRI_PLACES=49, PETRI_TRANSITIONS=41} [2021-04-29 05:59:52,336 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 5 predicate places. [2021-04-29 05:59:52,336 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:59:52,336 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 41 transitions, 364 flow [2021-04-29 05:59:52,336 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 41 transitions, 364 flow [2021-04-29 05:59:52,337 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 41 transitions, 364 flow [2021-04-29 05:59:52,358 INFO L129 PetriNetUnfolder]: 55/153 cut-off events. [2021-04-29 05:59:52,359 INFO L130 PetriNetUnfolder]: For 414/432 co-relation queries the response was YES. [2021-04-29 05:59:52,360 INFO L84 FinitePrefix]: Finished finitePrefix Result has 533 conditions, 153 events. 55/153 cut-off events. For 414/432 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 628 event pairs, 4 based on Foata normal form. 5/154 useless extension candidates. Maximal degree in co-relation 440. Up to 68 conditions per place. [2021-04-29 05:59:52,363 INFO L146 LiptonReduction]: Number of co-enabled transitions 218 [2021-04-29 05:59:52,369 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:59:52,369 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:59:52,369 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33 [2021-04-29 05:59:52,370 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 41 transitions, 364 flow [2021-04-29 05:59:52,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:52,371 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:59:52,371 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:59:52,371 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-29 05:59:52,371 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:59:52,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:59:52,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1300328220, now seen corresponding path program 2 times [2021-04-29 05:59:52,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:59:52,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986907907] [2021-04-29 05:59:52,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:59:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:59:52,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:59:52,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:59:52,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:52,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:59:52,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986907907] [2021-04-29 05:59:52,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:59:52,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 05:59:52,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847977961] [2021-04-29 05:59:52,399 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 05:59:52,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:59:52,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 05:59:52,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 05:59:52,400 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 61 [2021-04-29 05:59:52,401 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 41 transitions, 364 flow. Second operand 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) [2021-04-29 05:59:52,401 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:59:52,401 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 61 [2021-04-29 05:59:52,401 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:59:52,451 INFO L129 PetriNetUnfolder]: 52/133 cut-off events. [2021-04-29 05:59:52,451 INFO L130 PetriNetUnfolder]: For 592/634 co-relation queries the response was YES. [2021-04-29 05:59:52,452 INFO L84 FinitePrefix]: Finished finitePrefix Result has 548 conditions, 133 events. 52/133 cut-off events. For 592/634 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 468 event pairs, 5 based on Foata normal form. 19/145 useless extension candidates. Maximal degree in co-relation 470. Up to 67 conditions per place. [2021-04-29 05:59:52,454 INFO L132 encePairwiseOnDemand]: 57/61 looper letters, 14 selfloop transitions, 7 changer transitions 0/38 dead transitions. [2021-04-29 05:59:52,454 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 38 transitions, 381 flow [2021-04-29 05:59:52,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 05:59:52,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 05:59:52,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 151 transitions. [2021-04-29 05:59:52,456 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6188524590163934 [2021-04-29 05:59:52,456 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 151 transitions. [2021-04-29 05:59:52,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 151 transitions. [2021-04-29 05:59:52,456 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:59:52,456 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 151 transitions. [2021-04-29 05:59:52,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:52,458 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 61.0) internal successors, (305), 5 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:52,458 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 61.0) internal successors, (305), 5 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:52,458 INFO L185 Difference]: Start difference. First operand has 49 places, 41 transitions, 364 flow. Second operand 4 states and 151 transitions. [2021-04-29 05:59:52,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 38 transitions, 381 flow [2021-04-29 05:59:52,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 38 transitions, 359 flow, removed 8 selfloop flow, removed 2 redundant places. [2021-04-29 05:59:52,464 INFO L241 Difference]: Finished difference. Result has 51 places, 37 transitions, 330 flow [2021-04-29 05:59:52,464 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=307, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=330, PETRI_PLACES=51, PETRI_TRANSITIONS=37} [2021-04-29 05:59:52,464 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 7 predicate places. [2021-04-29 05:59:52,464 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:59:52,464 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 37 transitions, 330 flow [2021-04-29 05:59:52,465 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 37 transitions, 330 flow [2021-04-29 05:59:52,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 37 transitions, 330 flow [2021-04-29 05:59:52,482 INFO L129 PetriNetUnfolder]: 47/125 cut-off events. [2021-04-29 05:59:52,483 INFO L130 PetriNetUnfolder]: For 334/349 co-relation queries the response was YES. [2021-04-29 05:59:52,484 INFO L84 FinitePrefix]: Finished finitePrefix Result has 449 conditions, 125 events. 47/125 cut-off events. For 334/349 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 422 event pairs, 2 based on Foata normal form. 4/125 useless extension candidates. Maximal degree in co-relation 377. Up to 58 conditions per place. [2021-04-29 05:59:52,486 INFO L146 LiptonReduction]: Number of co-enabled transitions 190 [2021-04-29 05:59:52,491 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:59:52,491 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:59:52,491 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27 [2021-04-29 05:59:52,492 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 37 transitions, 330 flow [2021-04-29 05:59:52,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has 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) [2021-04-29 05:59:52,493 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:59:52,493 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:59:52,493 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-29 05:59:52,493 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:59:52,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:59:52,493 INFO L82 PathProgramCache]: Analyzing trace with hash 468567991, now seen corresponding path program 1 times [2021-04-29 05:59:52,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:59:52,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884603277] [2021-04-29 05:59:52,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:59:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:59:52,516 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 05:59:52,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:52,523 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 05:59:52,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:59:52,531 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-04-29 05:59:52,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:52,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:52,533 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:59:52,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884603277] [2021-04-29 05:59:52,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078985540] [2021-04-29 05:59:52,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-04-29 05:59:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:59:52,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2021-04-29 05:59:52,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 05:59:52,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:52,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:52,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:52,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:52,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:52,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:52,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:52,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:52,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:52,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:52,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:52,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:52,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:52,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:52,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:52,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:52,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:52,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:52,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:52,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:52,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 05:59:52,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:52,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 05:59:52,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 05:59:52,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:52,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 05:59:52,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:52,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:52,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:52,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:52,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:52,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:52,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:52,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:52,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:52,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:52,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:52,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:52,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:52,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:52,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:52,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:52,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:52,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:52,692 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-04-29 05:59:52,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:52,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 05:59:52,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:52,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 05:59:52,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:52,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:52,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:52,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:52,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:52,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:52,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:52,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:52,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:52,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:52,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:52,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:52,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:52,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:52,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:52,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:52,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:52,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:52,738 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:59:52,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 05:59:52,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-04-29 05:59:52,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648044292] [2021-04-29 05:59:52,739 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 05:59:52,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:59:52,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 05:59:52,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-04-29 05:59:52,741 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 61 [2021-04-29 05:59:52,742 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 37 transitions, 330 flow. Second operand has 6 states, 6 states have (on average 29.333333333333332) internal successors, (176), 6 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:52,742 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:59:52,742 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 61 [2021-04-29 05:59:52,742 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:59:52,910 INFO L129 PetriNetUnfolder]: 345/620 cut-off events. [2021-04-29 05:59:52,910 INFO L130 PetriNetUnfolder]: For 2608/2646 co-relation queries the response was YES. [2021-04-29 05:59:52,912 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2720 conditions, 620 events. 345/620 cut-off events. For 2608/2646 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2966 event pairs, 43 based on Foata normal form. 54/672 useless extension candidates. Maximal degree in co-relation 2584. Up to 295 conditions per place. [2021-04-29 05:59:52,919 INFO L132 encePairwiseOnDemand]: 57/61 looper letters, 37 selfloop transitions, 7 changer transitions 5/58 dead transitions. [2021-04-29 05:59:52,919 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 58 transitions, 616 flow [2021-04-29 05:59:52,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 05:59:52,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 05:59:52,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 131 transitions. [2021-04-29 05:59:52,921 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5368852459016393 [2021-04-29 05:59:52,921 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 131 transitions. [2021-04-29 05:59:52,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 131 transitions. [2021-04-29 05:59:52,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:59:52,922 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 131 transitions. [2021-04-29 05:59:52,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:52,923 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 61.0) internal successors, (305), 5 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:52,923 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 61.0) internal successors, (305), 5 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:52,923 INFO L185 Difference]: Start difference. First operand has 51 places, 37 transitions, 330 flow. Second operand 4 states and 131 transitions. [2021-04-29 05:59:52,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 58 transitions, 616 flow [2021-04-29 05:59:52,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 58 transitions, 593 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-04-29 05:59:52,931 INFO L241 Difference]: Finished difference. Result has 52 places, 35 transitions, 312 flow [2021-04-29 05:59:52,931 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=307, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=312, PETRI_PLACES=52, PETRI_TRANSITIONS=35} [2021-04-29 05:59:52,931 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 8 predicate places. [2021-04-29 05:59:52,931 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:59:52,932 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 35 transitions, 312 flow [2021-04-29 05:59:52,933 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 35 transitions, 312 flow [2021-04-29 05:59:52,933 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 35 transitions, 312 flow [2021-04-29 05:59:52,965 INFO L129 PetriNetUnfolder]: 107/280 cut-off events. [2021-04-29 05:59:52,965 INFO L130 PetriNetUnfolder]: For 759/791 co-relation queries the response was YES. [2021-04-29 05:59:52,967 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1012 conditions, 280 events. 107/280 cut-off events. For 759/791 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1441 event pairs, 12 based on Foata normal form. 4/273 useless extension candidates. Maximal degree in co-relation 894. Up to 139 conditions per place. [2021-04-29 05:59:52,971 INFO L146 LiptonReduction]: Number of co-enabled transitions 176 [2021-04-29 05:59:52,975 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:59:52,975 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:59:52,975 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 44 [2021-04-29 05:59:52,978 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 35 transitions, 312 flow [2021-04-29 05:59:52,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 29.333333333333332) internal successors, (176), 6 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:52,978 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:59:52,978 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:59:53,191 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 05:59:53,192 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:59:53,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:59:53,192 INFO L82 PathProgramCache]: Analyzing trace with hash -430475053, now seen corresponding path program 2 times [2021-04-29 05:59:53,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:59:53,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228387302] [2021-04-29 05:59:53,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:59:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:59:53,253 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 05:59:53,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:53,265 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 05:59:53,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:53,275 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-04-29 05:59:53,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:53,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:53,277 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-04-29 05:59:53,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228387302] [2021-04-29 05:59:53,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:59:53,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 05:59:53,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553993085] [2021-04-29 05:59:53,279 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 05:59:53,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:59:53,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 05:59:53,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 05:59:53,280 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 61 [2021-04-29 05:59:53,281 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 35 transitions, 312 flow. Second operand has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:53,281 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:59:53,281 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 61 [2021-04-29 05:59:53,282 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:59:53,465 INFO L129 PetriNetUnfolder]: 370/646 cut-off events. [2021-04-29 05:59:53,466 INFO L130 PetriNetUnfolder]: For 2653/2701 co-relation queries the response was YES. [2021-04-29 05:59:53,470 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2896 conditions, 646 events. 370/646 cut-off events. For 2653/2701 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 2933 event pairs, 88 based on Foata normal form. 25/670 useless extension candidates. Maximal degree in co-relation 2766. Up to 315 conditions per place. [2021-04-29 05:59:53,478 INFO L132 encePairwiseOnDemand]: 56/61 looper letters, 42 selfloop transitions, 5 changer transitions 4/60 dead transitions. [2021-04-29 05:59:53,479 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 60 transitions, 636 flow [2021-04-29 05:59:53,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 05:59:53,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 05:59:53,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 132 transitions. [2021-04-29 05:59:53,480 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5409836065573771 [2021-04-29 05:59:53,480 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 132 transitions. [2021-04-29 05:59:53,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 132 transitions. [2021-04-29 05:59:53,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:59:53,481 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 132 transitions. [2021-04-29 05:59:53,482 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:53,483 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 61.0) internal successors, (305), 5 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:53,484 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 61.0) internal successors, (305), 5 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:53,484 INFO L185 Difference]: Start difference. First operand has 52 places, 35 transitions, 312 flow. Second operand 4 states and 132 transitions. [2021-04-29 05:59:53,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 60 transitions, 636 flow [2021-04-29 05:59:53,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 60 transitions, 605 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-04-29 05:59:53,501 INFO L241 Difference]: Finished difference. Result has 54 places, 39 transitions, 369 flow [2021-04-29 05:59:53,503 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=369, PETRI_PLACES=54, PETRI_TRANSITIONS=39} [2021-04-29 05:59:53,503 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 10 predicate places. [2021-04-29 05:59:53,503 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:59:53,504 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 39 transitions, 369 flow [2021-04-29 05:59:53,504 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 39 transitions, 369 flow [2021-04-29 05:59:53,505 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 39 transitions, 369 flow [2021-04-29 05:59:53,551 INFO L129 PetriNetUnfolder]: 116/308 cut-off events. [2021-04-29 05:59:53,551 INFO L130 PetriNetUnfolder]: For 860/889 co-relation queries the response was YES. [2021-04-29 05:59:53,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1109 conditions, 308 events. 116/308 cut-off events. For 860/889 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1637 event pairs, 21 based on Foata normal form. 4/306 useless extension candidates. Maximal degree in co-relation 984. Up to 144 conditions per place. [2021-04-29 05:59:53,557 INFO L146 LiptonReduction]: Number of co-enabled transitions 176 [2021-04-29 05:59:53,562 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:59:53,562 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:59:53,563 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 60 [2021-04-29 05:59:53,564 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 39 transitions, 369 flow [2021-04-29 05:59:53,564 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:53,564 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:59:53,564 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:59:53,564 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-29 05:59:53,565 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:59:53,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:59:53,565 INFO L82 PathProgramCache]: Analyzing trace with hash -1077918838, now seen corresponding path program 1 times [2021-04-29 05:59:53,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:59:53,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179743936] [2021-04-29 05:59:53,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:59:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:59:53,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:53,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:59:53,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:53,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:59:53,660 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 05:59:53,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:59:53,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:59:53,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179743936] [2021-04-29 05:59:53,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779359311] [2021-04-29 05:59:53,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-04-29 05:59:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:59:53,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 12 conjunts are in the unsatisfiable core [2021-04-29 05:59:53,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 05:59:53,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:53,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:53,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:53,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:53,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:53,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:53,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:53,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:53,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 05:59:53,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:59:53,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 05:59:53,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 05:59:53,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:59:53,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 05:59:53,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:53,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:53,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:53,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:53,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:53,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:53,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:53,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:53,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:53,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:53,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,868 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-04-29 05:59:53,869 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-04-29 05:59:53,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:53,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:53,882 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:59:53,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 05:59:53,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-04-29 05:59:53,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509953103] [2021-04-29 05:59:53,883 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 05:59:53,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:59:53,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 05:59:53,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-04-29 05:59:53,884 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 61 [2021-04-29 05:59:53,885 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 39 transitions, 369 flow. Second operand has 10 states, 10 states have (on average 38.2) internal successors, (382), 10 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:53,885 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:59:53,885 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 61 [2021-04-29 05:59:53,885 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:59:54,063 INFO L129 PetriNetUnfolder]: 251/673 cut-off events. [2021-04-29 05:59:54,064 INFO L130 PetriNetUnfolder]: For 2509/2616 co-relation queries the response was YES. [2021-04-29 05:59:54,068 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2774 conditions, 673 events. 251/673 cut-off events. For 2509/2616 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4634 event pairs, 45 based on Foata normal form. 74/701 useless extension candidates. Maximal degree in co-relation 2525. Up to 291 conditions per place. [2021-04-29 05:59:54,074 INFO L132 encePairwiseOnDemand]: 55/61 looper letters, 20 selfloop transitions, 42 changer transitions 0/80 dead transitions. [2021-04-29 05:59:54,074 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 80 transitions, 895 flow [2021-04-29 05:59:54,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 05:59:54,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 05:59:54,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 248 transitions. [2021-04-29 05:59:54,076 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6775956284153005 [2021-04-29 05:59:54,076 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 248 transitions. [2021-04-29 05:59:54,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 248 transitions. [2021-04-29 05:59:54,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:59:54,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 248 transitions. [2021-04-29 05:59:54,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 41.333333333333336) internal successors, (248), 6 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:54,079 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 61.0) internal successors, (427), 7 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:54,079 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 61.0) internal successors, (427), 7 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:54,079 INFO L185 Difference]: Start difference. First operand has 54 places, 39 transitions, 369 flow. Second operand 6 states and 248 transitions. [2021-04-29 05:59:54,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 80 transitions, 895 flow [2021-04-29 05:59:54,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 80 transitions, 835 flow, removed 26 selfloop flow, removed 2 redundant places. [2021-04-29 05:59:54,088 INFO L241 Difference]: Finished difference. Result has 60 places, 78 transitions, 884 flow [2021-04-29 05:59:54,088 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=884, PETRI_PLACES=60, PETRI_TRANSITIONS=78} [2021-04-29 05:59:54,089 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 16 predicate places. [2021-04-29 05:59:54,089 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:59:54,089 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 78 transitions, 884 flow [2021-04-29 05:59:54,089 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 78 transitions, 884 flow [2021-04-29 05:59:54,090 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 78 transitions, 884 flow [2021-04-29 05:59:54,174 INFO L129 PetriNetUnfolder]: 253/687 cut-off events. [2021-04-29 05:59:54,174 INFO L130 PetriNetUnfolder]: For 2022/2114 co-relation queries the response was YES. [2021-04-29 05:59:54,178 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2816 conditions, 687 events. 253/687 cut-off events. For 2022/2114 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4795 event pairs, 46 based on Foata normal form. 10/649 useless extension candidates. Maximal degree in co-relation 2546. Up to 298 conditions per place. [2021-04-29 05:59:54,188 INFO L146 LiptonReduction]: Number of co-enabled transitions 440 [2021-04-29 05:59:54,203 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:59:54,204 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:59:54,204 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 115 [2021-04-29 05:59:54,205 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 78 transitions, 884 flow [2021-04-29 05:59:54,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 38.2) internal successors, (382), 10 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:54,205 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:59:54,205 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:59:54,419 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-04-29 05:59:54,419 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:59:54,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:59:54,420 INFO L82 PathProgramCache]: Analyzing trace with hash 2112214030, now seen corresponding path program 2 times [2021-04-29 05:59:54,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:59:54,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137612432] [2021-04-29 05:59:54,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:59:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:59:54,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:59:54,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:59:54,495 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 05:59:54,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:59:54,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:59:54,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137612432] [2021-04-29 05:59:54,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514064143] [2021-04-29 05:59:54,505 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 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 [2021-04-29 05:59:54,548 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 05:59:54,548 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 05:59:54,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 12 conjunts are in the unsatisfiable core [2021-04-29 05:59:54,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 05:59:54,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,566 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-04-29 05:59:54,568 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-04-29 05:59:54,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 05:59:54,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:59:54,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 05:59:54,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 05:59:54,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:59:54,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 05:59:54,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:54,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,641 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-04-29 05:59:54,642 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-04-29 05:59:54,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:54,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:54,686 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:59:54,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 05:59:54,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 9 [2021-04-29 05:59:54,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601190658] [2021-04-29 05:59:54,687 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 05:59:54,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:59:54,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 05:59:54,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-04-29 05:59:54,689 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 61 [2021-04-29 05:59:54,690 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 78 transitions, 884 flow. Second operand has 11 states, 11 states have (on average 38.09090909090909) internal successors, (419), 11 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:54,690 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:59:54,690 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 61 [2021-04-29 05:59:54,690 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:59:54,943 INFO L129 PetriNetUnfolder]: 401/1130 cut-off events. [2021-04-29 05:59:54,944 INFO L130 PetriNetUnfolder]: For 3829/3978 co-relation queries the response was YES. [2021-04-29 05:59:54,950 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4917 conditions, 1130 events. 401/1130 cut-off events. For 3829/3978 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 9058 event pairs, 76 based on Foata normal form. 83/1130 useless extension candidates. Maximal degree in co-relation 4414. Up to 470 conditions per place. [2021-04-29 05:59:54,960 INFO L132 encePairwiseOnDemand]: 55/61 looper letters, 48 selfloop transitions, 70 changer transitions 0/136 dead transitions. [2021-04-29 05:59:54,960 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 136 transitions, 1759 flow [2021-04-29 05:59:54,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 05:59:54,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 05:59:54,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 290 transitions. [2021-04-29 05:59:54,962 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6791569086651054 [2021-04-29 05:59:54,962 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 290 transitions. [2021-04-29 05:59:54,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 290 transitions. [2021-04-29 05:59:54,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:59:54,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 290 transitions. [2021-04-29 05:59:54,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 41.42857142857143) internal successors, (290), 7 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:54,966 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 61.0) internal successors, (488), 8 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:54,966 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 61.0) internal successors, (488), 8 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:54,967 INFO L185 Difference]: Start difference. First operand has 60 places, 78 transitions, 884 flow. Second operand 7 states and 290 transitions. [2021-04-29 05:59:54,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 136 transitions, 1759 flow [2021-04-29 05:59:55,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 136 transitions, 1600 flow, removed 78 selfloop flow, removed 1 redundant places. [2021-04-29 05:59:55,014 INFO L241 Difference]: Finished difference. Result has 70 places, 133 transitions, 1666 flow [2021-04-29 05:59:55,015 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=787, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1666, PETRI_PLACES=70, PETRI_TRANSITIONS=133} [2021-04-29 05:59:55,015 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 26 predicate places. [2021-04-29 05:59:55,015 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:59:55,015 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 133 transitions, 1666 flow [2021-04-29 05:59:55,016 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 133 transitions, 1666 flow [2021-04-29 05:59:55,017 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 133 transitions, 1666 flow [2021-04-29 05:59:55,198 INFO L129 PetriNetUnfolder]: 393/1104 cut-off events. [2021-04-29 05:59:55,198 INFO L130 PetriNetUnfolder]: For 4241/4333 co-relation queries the response was YES. [2021-04-29 05:59:55,207 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4797 conditions, 1104 events. 393/1104 cut-off events. For 4241/4333 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 8867 event pairs, 74 based on Foata normal form. 5/1035 useless extension candidates. Maximal degree in co-relation 4258. Up to 378 conditions per place. [2021-04-29 05:59:55,230 INFO L146 LiptonReduction]: Number of co-enabled transitions 784 [2021-04-29 05:59:55,272 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:59:55,272 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:59:55,273 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 258 [2021-04-29 05:59:55,273 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 133 transitions, 1666 flow [2021-04-29 05:59:55,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 38.09090909090909) internal successors, (419), 11 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:55,274 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:59:55,274 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:59:55,488 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 05:59:55,488 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:59:55,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:59:55,490 INFO L82 PathProgramCache]: Analyzing trace with hash -522915166, now seen corresponding path program 3 times [2021-04-29 05:59:55,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:59:55,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834303371] [2021-04-29 05:59:55,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:59:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:59:55,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:55,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:59:55,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:55,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:59:55,549 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 05:59:55,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:59:55,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:59:55,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834303371] [2021-04-29 05:59:55,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534861140] [2021-04-29 05:59:55,560 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 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 [2021-04-29 05:59:55,598 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-04-29 05:59:55,599 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 05:59:55,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 12 conjunts are in the unsatisfiable core [2021-04-29 05:59:55,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 05:59:55,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:55,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:55,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:55,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:55,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:55,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:55,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:55,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:55,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 05:59:55,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:59:55,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 05:59:55,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 05:59:55,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:59:55,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 05:59:55,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:55,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:55,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:55,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:55,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:55,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:55,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:55,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:55,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:55,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:55,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:55,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:55,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:55,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:55,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:55,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:55,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:55,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:55,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,691 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-04-29 05:59:55,691 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-04-29 05:59:55,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:55,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:59:55,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:59:55,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 05:59:55,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-04-29 05:59:55,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728858966] [2021-04-29 05:59:55,735 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 05:59:55,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:59:55,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 05:59:55,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-04-29 05:59:55,737 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 61 [2021-04-29 05:59:55,738 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 133 transitions, 1666 flow. Second operand has 12 states, 12 states have (on average 38.0) internal successors, (456), 12 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:55,738 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:59:55,738 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 61 [2021-04-29 05:59:55,738 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:59:56,140 INFO L129 PetriNetUnfolder]: 491/1494 cut-off events. [2021-04-29 05:59:56,140 INFO L130 PetriNetUnfolder]: For 7033/7223 co-relation queries the response was YES. [2021-04-29 05:59:56,151 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6871 conditions, 1494 events. 491/1494 cut-off events. For 7033/7223 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 13440 event pairs, 111 based on Foata normal form. 134/1511 useless extension candidates. Maximal degree in co-relation 6125. Up to 507 conditions per place. [2021-04-29 05:59:56,165 INFO L132 encePairwiseOnDemand]: 55/61 looper letters, 20 selfloop transitions, 123 changer transitions 0/161 dead transitions. [2021-04-29 05:59:56,166 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 161 transitions, 2310 flow [2021-04-29 05:59:56,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 05:59:56,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 05:59:56,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 248 transitions. [2021-04-29 05:59:56,167 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6775956284153005 [2021-04-29 05:59:56,168 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 248 transitions. [2021-04-29 05:59:56,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 248 transitions. [2021-04-29 05:59:56,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:59:56,168 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 248 transitions. [2021-04-29 05:59:56,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 41.333333333333336) internal successors, (248), 6 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:56,171 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 61.0) internal successors, (427), 7 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:56,171 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 61.0) internal successors, (427), 7 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:56,171 INFO L185 Difference]: Start difference. First operand has 70 places, 133 transitions, 1666 flow. Second operand 6 states and 248 transitions. [2021-04-29 05:59:56,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 161 transitions, 2310 flow [2021-04-29 05:59:56,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 161 transitions, 2210 flow, removed 50 selfloop flow, removed 0 redundant places. [2021-04-29 05:59:56,201 INFO L241 Difference]: Finished difference. Result has 77 places, 159 transitions, 2282 flow [2021-04-29 05:59:56,201 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=1540, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=105, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2282, PETRI_PLACES=77, PETRI_TRANSITIONS=159} [2021-04-29 05:59:56,202 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 33 predicate places. [2021-04-29 05:59:56,202 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:59:56,202 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 159 transitions, 2282 flow [2021-04-29 05:59:56,202 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 159 transitions, 2282 flow [2021-04-29 05:59:56,204 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 159 transitions, 2282 flow [2021-04-29 05:59:56,423 INFO L129 PetriNetUnfolder]: 483/1467 cut-off events. [2021-04-29 05:59:56,424 INFO L130 PetriNetUnfolder]: For 6646/6774 co-relation queries the response was YES. [2021-04-29 05:59:56,468 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6757 conditions, 1467 events. 483/1467 cut-off events. For 6646/6774 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 13267 event pairs, 113 based on Foata normal form. 14/1367 useless extension candidates. Maximal degree in co-relation 5955. Up to 483 conditions per place. [2021-04-29 05:59:56,491 INFO L146 LiptonReduction]: Number of co-enabled transitions 964 [2021-04-29 05:59:56,536 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:59:56,536 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:59:56,537 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 335 [2021-04-29 05:59:56,537 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 159 transitions, 2282 flow [2021-04-29 05:59:56,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 38.0) internal successors, (456), 12 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:56,538 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:59:56,538 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:59:56,751 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-04-29 05:59:56,752 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:59:56,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:59:56,753 INFO L82 PathProgramCache]: Analyzing trace with hash 451228263, now seen corresponding path program 4 times [2021-04-29 05:59:56,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:59:56,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106975436] [2021-04-29 05:59:56,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:59:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:59:56,774 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 05:59:56,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:56,780 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 05:59:56,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:59:56,787 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 05:59:56,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:59:56,794 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 05:59:56,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:59:56,802 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-04-29 05:59:56,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:56,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:56,803 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:59:56,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106975436] [2021-04-29 05:59:56,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187047552] [2021-04-29 05:59:56,804 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 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 [2021-04-29 05:59:56,845 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 05:59:56,846 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 05:59:56,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 05:59:56,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 05:59:56,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:56,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:56,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:56,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:56,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:56,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:56,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:56,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:56,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:56,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:56,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:56,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:56,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:56,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:56,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:56,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:56,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:56,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:56,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:56,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:56,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 05:59:56,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:59:56,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 05:59:56,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 05:59:56,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:59:56,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 05:59:56,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:56,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:56,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 05:59:56,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:56,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 05:59:56,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 05:59:56,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:56,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 05:59:56,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:56,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:56,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:56,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:56,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:56,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:56,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:56,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:56,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:56,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:56,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:56,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:56,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:56,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:56,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 05:59:56,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:59:56,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 05:59:56,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 05:59:56,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:59:56,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 05:59:56,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:56,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:59:56,955 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-04-29 05:59:56,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:56,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 05:59:56,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:59:56,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 05:59:56,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:56,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:56,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:56,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:56,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:56,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:56,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:56,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:56,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:56,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:56,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:56,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:56,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:56,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:56,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:56,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:56,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:56,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:56,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:56,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:59:56,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:59:56,974 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:59:56,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 05:59:56,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-04-29 05:59:56,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559070275] [2021-04-29 05:59:56,975 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 05:59:56,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:59:56,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 05:59:56,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-04-29 05:59:56,976 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 28 out of 61 [2021-04-29 05:59:56,976 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 159 transitions, 2282 flow. Second operand has 10 states, 10 states have (on average 29.8) internal successors, (298), 10 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:56,976 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:59:56,977 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 28 of 61 [2021-04-29 05:59:56,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:59:59,672 INFO L129 PetriNetUnfolder]: 6044/11357 cut-off events. [2021-04-29 05:59:59,673 INFO L130 PetriNetUnfolder]: For 77235/77287 co-relation queries the response was YES. [2021-04-29 05:59:59,754 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63257 conditions, 11357 events. 6044/11357 cut-off events. For 77235/77287 co-relation queries the response was YES. Maximal size of possible extension queue 873. Compared 97769 event pairs, 1463 based on Foata normal form. 1115/12468 useless extension candidates. Maximal degree in co-relation 60516. Up to 4095 conditions per place. [2021-04-29 05:59:59,863 INFO L132 encePairwiseOnDemand]: 56/61 looper letters, 506 selfloop transitions, 228 changer transitions 0/743 dead transitions. [2021-04-29 05:59:59,863 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 743 transitions, 12116 flow [2021-04-29 05:59:59,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 05:59:59,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 05:59:59,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 419 transitions. [2021-04-29 05:59:59,866 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5724043715846995 [2021-04-29 05:59:59,866 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 419 transitions. [2021-04-29 05:59:59,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 419 transitions. [2021-04-29 05:59:59,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:59:59,867 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 419 transitions. [2021-04-29 05:59:59,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 34.916666666666664) internal successors, (419), 12 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:59,872 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 61.0) internal successors, (793), 13 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:59,873 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 61.0) internal successors, (793), 13 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:59,873 INFO L185 Difference]: Start difference. First operand has 77 places, 159 transitions, 2282 flow. Second operand 12 states and 419 transitions. [2021-04-29 05:59:59,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 743 transitions, 12116 flow [2021-04-29 06:00:00,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 743 transitions, 11230 flow, removed 324 selfloop flow, removed 3 redundant places. [2021-04-29 06:00:00,164 INFO L241 Difference]: Finished difference. Result has 92 places, 419 transitions, 6630 flow [2021-04-29 06:00:00,165 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=2096, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=6630, PETRI_PLACES=92, PETRI_TRANSITIONS=419} [2021-04-29 06:00:00,165 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 48 predicate places. [2021-04-29 06:00:00,165 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:00:00,165 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 419 transitions, 6630 flow [2021-04-29 06:00:00,166 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 419 transitions, 6630 flow [2021-04-29 06:00:00,172 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 419 transitions, 6630 flow [2021-04-29 06:00:00,978 INFO L129 PetriNetUnfolder]: 1804/4805 cut-off events. [2021-04-29 06:00:00,978 INFO L130 PetriNetUnfolder]: For 29280/30202 co-relation queries the response was YES. [2021-04-29 06:00:01,010 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24294 conditions, 4805 events. 1804/4805 cut-off events. For 29280/30202 co-relation queries the response was YES. Maximal size of possible extension queue 514. Compared 49709 event pairs, 368 based on Foata normal form. 81/4497 useless extension candidates. Maximal degree in co-relation 22624. Up to 1810 conditions per place. [2021-04-29 06:00:01,075 INFO L146 LiptonReduction]: Number of co-enabled transitions 1946 [2021-04-29 06:00:01,178 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 06:00:01,178 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:00:01,179 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1014 [2021-04-29 06:00:01,179 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 419 transitions, 6630 flow [2021-04-29 06:00:01,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 29.8) internal successors, (298), 10 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:00:01,180 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:00:01,180 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:00:01,394 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:00:01,395 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:00:01,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:00:01,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1606219176, now seen corresponding path program 5 times [2021-04-29 06:00:01,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:00:01,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420263226] [2021-04-29 06:00:01,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:00:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:00:01,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:00:01,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 06:00:01,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 06:00:01,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:00:01,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:01,430 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-04-29 06:00:01,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420263226] [2021-04-29 06:00:01,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577746105] [2021-04-29 06:00:01,430 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 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 [2021-04-29 06:00:01,499 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 06:00:01,499 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 06:00:01,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 06:00:01,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 06:00:01,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:00:01,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:00:01,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:00:01,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:00:01,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:00:01,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:00:01,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:00:01,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:01,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:00:01,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:00:01,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:00:01,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:01,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:01,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:01,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:01,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:01,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:01,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:01,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:01,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:01,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:01,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:00:01,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:00:01,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 06:00:01,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:00:01,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:00:01,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 06:00:01,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:01,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:01,620 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-04-29 06:00:01,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:00:01,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:01,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 06:00:01,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:01,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:01,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:01,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:01,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:01,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:01,630 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-04-29 06:00:01,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 06:00:01,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-04-29 06:00:01,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122390891] [2021-04-29 06:00:01,631 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 06:00:01,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:00:01,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 06:00:01,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-04-29 06:00:01,632 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 61 [2021-04-29 06:00:01,633 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 419 transitions, 6630 flow. Second operand has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:00:01,633 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:00:01,633 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 61 [2021-04-29 06:00:01,633 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:00:06,817 INFO L129 PetriNetUnfolder]: 10676/19544 cut-off events. [2021-04-29 06:00:06,817 INFO L130 PetriNetUnfolder]: For 192204/192256 co-relation queries the response was YES. [2021-04-29 06:00:06,922 INFO L84 FinitePrefix]: Finished finitePrefix Result has 119205 conditions, 19544 events. 10676/19544 cut-off events. For 192204/192256 co-relation queries the response was YES. Maximal size of possible extension queue 1410. Compared 177905 event pairs, 749 based on Foata normal form. 846/20382 useless extension candidates. Maximal degree in co-relation 115534. Up to 7523 conditions per place. [2021-04-29 06:00:07,052 INFO L132 encePairwiseOnDemand]: 54/61 looper letters, 795 selfloop transitions, 509 changer transitions 48/1361 dead transitions. [2021-04-29 06:00:07,053 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 1361 transitions, 23097 flow [2021-04-29 06:00:07,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-04-29 06:00:07,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-04-29 06:00:07,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 1083 transitions. [2021-04-29 06:00:07,058 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5072599531615926 [2021-04-29 06:00:07,058 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 1083 transitions. [2021-04-29 06:00:07,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 1083 transitions. [2021-04-29 06:00:07,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:00:07,060 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 1083 transitions. [2021-04-29 06:00:07,063 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 30.942857142857143) internal successors, (1083), 35 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:00:07,068 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 61.0) internal successors, (2196), 36 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:00:07,069 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 61.0) internal successors, (2196), 36 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:00:07,070 INFO L185 Difference]: Start difference. First operand has 92 places, 419 transitions, 6630 flow. Second operand 35 states and 1083 transitions. [2021-04-29 06:00:07,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 1361 transitions, 23097 flow [2021-04-29 06:00:07,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 1361 transitions, 21849 flow, removed 523 selfloop flow, removed 3 redundant places. [2021-04-29 06:00:07,710 INFO L241 Difference]: Finished difference. Result has 144 places, 825 transitions, 14656 flow [2021-04-29 06:00:07,711 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=6356, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=145, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=14656, PETRI_PLACES=144, PETRI_TRANSITIONS=825} [2021-04-29 06:00:07,711 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 100 predicate places. [2021-04-29 06:00:07,712 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:00:07,712 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 825 transitions, 14656 flow [2021-04-29 06:00:07,712 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 144 places, 825 transitions, 14656 flow [2021-04-29 06:00:07,722 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 141 places, 825 transitions, 14656 flow [2021-04-29 06:00:09,763 INFO L129 PetriNetUnfolder]: 4085/9927 cut-off events. [2021-04-29 06:00:09,764 INFO L130 PetriNetUnfolder]: For 134595/137263 co-relation queries the response was YES. [2021-04-29 06:00:09,832 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63290 conditions, 9927 events. 4085/9927 cut-off events. For 134595/137263 co-relation queries the response was YES. Maximal size of possible extension queue 1037. Compared 109433 event pairs, 731 based on Foata normal form. 155/9196 useless extension candidates. Maximal degree in co-relation 62946. Up to 3823 conditions per place. [2021-04-29 06:00:09,938 INFO L146 LiptonReduction]: Number of co-enabled transitions 3618 [2021-04-29 06:00:10,197 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 06:00:10,197 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:00:10,197 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2486 [2021-04-29 06:00:10,201 INFO L480 AbstractCegarLoop]: Abstraction has has 141 places, 825 transitions, 14656 flow [2021-04-29 06:00:10,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:00:10,202 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:00:10,202 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:00:10,403 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-04-29 06:00:10,403 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:00:10,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:00:10,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1536225763, now seen corresponding path program 6 times [2021-04-29 06:00:10,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:00:10,405 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454623563] [2021-04-29 06:00:10,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:00:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:00:10,451 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 06:00:10,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,459 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 06:00:10,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:00:10,465 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 06:00:10,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,466 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 06:00:10,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:00:10,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:10,478 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-04-29 06:00:10,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454623563] [2021-04-29 06:00:10,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519962818] [2021-04-29 06:00:10,478 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 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 [2021-04-29 06:00:10,514 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-04-29 06:00:10,514 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 06:00:10,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 06:00:10,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 06:00:10,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:10,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:10,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:10,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:10,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:10,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:10,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:10,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:10,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:00:10,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:00:10,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:00:10,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:00:10,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:00:10,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:00:10,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:10,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:10,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:10,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:10,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:10,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:10,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:00:10,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:00:10,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:00:10,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:00:10,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:00:10,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:00:10,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:10,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:10,583 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-04-29 06:00:10,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:00:10,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:00:10,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:10,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:00:10,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,737 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2021-04-29 06:00:10,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:00:10,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 06:00:10,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:00:10,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:00:10,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:10,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 06:00:10,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:00:10,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:10,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:10,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:10,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:10,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:10,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:10,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:10,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:10,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:10,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:10,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:10,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:10,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:10,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:10,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:10,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:10,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:10,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:10,785 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-04-29 06:00:10,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 06:00:10,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-04-29 06:00:10,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827974041] [2021-04-29 06:00:10,785 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 06:00:10,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:00:10,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 06:00:10,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-04-29 06:00:10,787 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 61 [2021-04-29 06:00:10,787 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 825 transitions, 14656 flow. Second operand has 10 states, 10 states have (on average 28.9) internal successors, (289), 10 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:00:10,787 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:00:10,787 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 61 [2021-04-29 06:00:10,788 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:00:23,966 INFO L129 PetriNetUnfolder]: 19689/37219 cut-off events. [2021-04-29 06:00:23,967 INFO L130 PetriNetUnfolder]: For 745255/745282 co-relation queries the response was YES. [2021-04-29 06:00:24,361 INFO L84 FinitePrefix]: Finished finitePrefix Result has 268677 conditions, 37219 events. 19689/37219 cut-off events. For 745255/745282 co-relation queries the response was YES. Maximal size of possible extension queue 2859. Compared 385515 event pairs, 572 based on Foata normal form. 1450/38666 useless extension candidates. Maximal degree in co-relation 265197. Up to 14435 conditions per place. [2021-04-29 06:00:24,692 INFO L132 encePairwiseOnDemand]: 56/61 looper letters, 2330 selfloop transitions, 590 changer transitions 37/2966 dead transitions. [2021-04-29 06:00:24,692 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 2966 transitions, 56824 flow [2021-04-29 06:00:24,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-29 06:00:24,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-04-29 06:00:24,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 536 transitions. [2021-04-29 06:00:24,696 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5491803278688525 [2021-04-29 06:00:24,696 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 536 transitions. [2021-04-29 06:00:24,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 536 transitions. [2021-04-29 06:00:24,698 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:00:24,698 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 536 transitions. [2021-04-29 06:00:24,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 33.5) internal successors, (536), 16 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:00:24,705 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 61.0) internal successors, (1037), 17 states have internal predecessors, (1037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:00:24,706 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 61.0) internal successors, (1037), 17 states have internal predecessors, (1037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:00:24,706 INFO L185 Difference]: Start difference. First operand has 141 places, 825 transitions, 14656 flow. Second operand 16 states and 536 transitions. [2021-04-29 06:00:24,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 2966 transitions, 56824 flow [2021-04-29 06:00:29,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 2966 transitions, 52817 flow, removed 1954 selfloop flow, removed 3 redundant places. [2021-04-29 06:00:29,668 INFO L241 Difference]: Finished difference. Result has 159 places, 1219 transitions, 23431 flow [2021-04-29 06:00:29,669 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=13679, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=825, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=271, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=456, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=23431, PETRI_PLACES=159, PETRI_TRANSITIONS=1219} [2021-04-29 06:00:29,669 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 115 predicate places. [2021-04-29 06:00:29,669 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:00:29,669 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 159 places, 1219 transitions, 23431 flow [2021-04-29 06:00:29,670 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 159 places, 1219 transitions, 23431 flow [2021-04-29 06:00:29,683 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 159 places, 1219 transitions, 23431 flow [2021-04-29 06:00:35,009 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([121] thread4EXIT-->L81: Formula: (and (= v_thread4Thread1of1ForFork3_thidvar0_4 4) (= v_thread4Thread1of1ForFork3_thidvar3_4 4) (= v_thread4Thread1of1ForFork3_thidvar1_4 4) (= v_thread4Thread1of1ForFork3_thidvar2_4 4)) InVars {thread4Thread1of1ForFork3_thidvar1=v_thread4Thread1of1ForFork3_thidvar1_4, thread4Thread1of1ForFork3_thidvar0=v_thread4Thread1of1ForFork3_thidvar0_4, thread4Thread1of1ForFork3_thidvar3=v_thread4Thread1of1ForFork3_thidvar3_4, thread4Thread1of1ForFork3_thidvar2=v_thread4Thread1of1ForFork3_thidvar2_4} OutVars{thread4Thread1of1ForFork3_thidvar1=v_thread4Thread1of1ForFork3_thidvar1_4, thread4Thread1of1ForFork3_thidvar0=v_thread4Thread1of1ForFork3_thidvar0_4, thread4Thread1of1ForFork3_thidvar3=v_thread4Thread1of1ForFork3_thidvar3_4, thread4Thread1of1ForFork3_thidvar2=v_thread4Thread1of1ForFork3_thidvar2_4} AuxVars[] AssignedVars[][667], [Black: 351#(and (< 0 (+ counter2 1)) (= counter1 1) (<= counter2 0)), 385#true, Black: 768#(and (<= i2 i1) (= N2 N1) (<= N2 i1)), Black: 754#(and (<= i2 1) (= N2 N1) (<= 1 i1)), Black: 770#(and (= N2 N1) (<= N2 i1) (<= (+ i2 1) i1)), Black: 760#(and (<= N1 1) (<= i2 1) (= N2 N1) (<= 1 i1)), Black: 687#(and (<= i2 i1) (= N2 N1)), Black: 144#(and (<= j2 0) (< 0 N2) (= N2 N1) (<= 0 i1)), Black: 142#(and (<= j2 0) (= N2 N1) (<= 0 i1)), Black: 547#(<= i1 j1), Black: 579#(and (<= N1 N2) (<= 1 j1) (<= j2 0)), Black: 528#(and (= N2 N1) (<= (+ j2 1) i1) (<= (+ j2 1) N1)), Black: 548#(<= i1 (+ j1 1)), Black: 153#(<= counter1 0), Black: 530#(and (< 1 N2) (= N2 N1) (<= j2 1) (<= (+ j2 1) i1)), Black: 612#(and (<= N1 N2) (<= 0 j1) (<= j2 0) (<= i1 (+ j1 1))), 28#L81true, Black: 532#(and (<= (+ j2 2) N1) (= N2 N1) (<= (+ j2 1) i1)), Black: 646#(and (<= N1 (+ j1 1)) (<= i1 (+ j1 1))), Black: 534#(and (< 1 N2) (<= (+ j2 2) N1) (= N2 N1) (<= j2 1) (<= (+ j2 1) i1)), Black: 536#(and (<= j2 i1) (= N2 N1) (<= (+ j2 1) N1)), Black: 522#(and (<= j2 0) (= N2 N1) (<= 1 i1) (<= (+ j2 1) N1)), Black: 648#(and (<= N1 N2) (<= N1 j1) (< 1 N2) (<= 1 j1) (<= j2 0) (<= i1 (+ j1 1))), 159#(<= N1 j1), Black: 526#(and (< 1 N2) (<= j2 i1) (= N2 N1) (<= j2 1)), Black: 652#(and (< 1 N2) (<= j2 1) (<= i1 (+ j1 1))), Black: 620#(and (<= N1 N2) (<= 1 j1) (<= j2 0) (<= i1 j1)), Black: 654#(and (<= N1 j1) (< 1 N2) (<= i1 j1) (<= j2 1)), Black: 624#(and (<= N1 N2) (<= 1 j1) (<= j2 0) (<= i1 (+ j1 1))), Black: 658#(and (<= N1 j1) (< 1 N2) (<= j2 1) (<= i1 (+ j1 1))), Black: 158#(<= i1 j1), Black: 626#(and (<= N1 N2) (< 1 N2) (<= 1 j1) (<= j2 0) (<= i1 j1)), 550#(<= N1 j1), Black: 660#(and (< 1 N2) (<= N1 (+ j1 1)) (<= j2 1) (<= i1 (+ j1 1))), Black: 662#(and (<= N1 j1) (< 1 N2) (<= j2 1)), Black: 632#(and (<= N1 N2) (< 1 N2) (<= 1 j1) (<= j2 0) (<= i1 (+ j1 1))), Black: 634#(and (< 1 N2) (<= i1 j1) (<= j2 1)), Black: 602#(and (< 1 N2) (<= j2 1)), Black: 168#(<= counter2 0), Black: 636#(and (<= N1 N2) (<= N1 j1) (< 1 N2) (<= 1 j1) (<= j2 0) (<= i1 j1)), Black: 638#(and (<= N1 j1) (<= i1 j1)), Black: 176#(and (<= (+ i1 1) N1) (<= i1 j1)), Black: 281#(and (<= counter1 0) (< 0 (+ counter1 1)) (= counter2 1)), 315#true, Black: 451#(and (<= counter1 counter2) (= counter2 1) (<= counter2 counter1)), Black: 426#(and (<= counter1 0) (= counter2 0) (< 0 (+ counter1 1))), 457#(and (<= j2 i1) (= N2 N1)), Black: 71#(and (< counter1 (+ counter2 1)) (<= counter2 counter1)), Black: 76#(and (<= j2 i1) (= N2 N1)), 88#(and (<= N1 i1) (<= j1 i1)), Black: 85#(<= j1 i1), Black: 86#(<= N1 i1), Black: 236#(and (<= i2 0) (< 0 N2) (= N2 N1) (<= 0 i1)), Black: 241#(and (<= i2 i1) (= N2 N1)), 248#true, Black: 378#(and (< counter1 (+ counter2 1)) (= counter1 1) (<= counter2 counter1)), Black: 318#(and (<= counter1 (+ counter2 1)) (<= counter2 0)), 766#(and (<= N1 1) (<= i2 1) (= N2 N1) (<= (+ i2 1) i1) (<= 1 i1)), Black: 319#(and (<= counter1 counter2) (<= counter2 1))]) [2021-04-29 06:00:35,010 INFO L384 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2021-04-29 06:00:35,010 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-04-29 06:00:35,010 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-04-29 06:00:35,010 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-04-29 06:00:35,095 INFO L129 PetriNetUnfolder]: 9711/22129 cut-off events. [2021-04-29 06:00:35,096 INFO L130 PetriNetUnfolder]: For 388397/394793 co-relation queries the response was YES. [2021-04-29 06:00:35,366 INFO L84 FinitePrefix]: Finished finitePrefix Result has 152856 conditions, 22129 events. 9711/22129 cut-off events. For 388397/394793 co-relation queries the response was YES. Maximal size of possible extension queue 2275. Compared 259320 event pairs, 960 based on Foata normal form. 477/21872 useless extension candidates. Maximal degree in co-relation 151525. Up to 9221 conditions per place. [2021-04-29 06:00:35,706 INFO L146 LiptonReduction]: Number of co-enabled transitions 5146 [2021-04-29 06:00:35,999 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 06:00:35,999 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:00:35,999 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6330 [2021-04-29 06:00:36,000 INFO L480 AbstractCegarLoop]: Abstraction has has 159 places, 1219 transitions, 23431 flow [2021-04-29 06:00:36,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 28.9) internal successors, (289), 10 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:00:36,001 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:00:36,001 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:00:36,207 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-04-29 06:00:36,208 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:00:36,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:00:36,209 INFO L82 PathProgramCache]: Analyzing trace with hash -445543392, now seen corresponding path program 7 times [2021-04-29 06:00:36,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:00:36,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231291115] [2021-04-29 06:00:36,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:00:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:00:36,229 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 06:00:36,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:36,238 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 06:00:36,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:00:36,248 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 06:00:36,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:36,249 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 06:00:36,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:00:36,259 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-04-29 06:00:36,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:36,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:36,261 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 06:00:36,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231291115] [2021-04-29 06:00:36,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885659285] [2021-04-29 06:00:36,261 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 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 [2021-04-29 06:00:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:00:36,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 06:00:36,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 06:00:36,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:00:36,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:00:36,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:00:36,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:00:36,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:00:36,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:00:36,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:00:36,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:00:36,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:00:36,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:00:36,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:00:36,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:00:36,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:00:36,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:36,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:00:36,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:00:36,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:00:36,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:36,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:36,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:36,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:36,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:36,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:36,418 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-04-29 06:00:36,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:00:36,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:00:36,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 06:00:36,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:36,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:36,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:36,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:36,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:36,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:36,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:36,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:36,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:36,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:36,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:36,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:36,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:36,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:36,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:36,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:36,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:36,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:36,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:36,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:36,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:36,449 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:00:36,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 06:00:36,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-04-29 06:00:36,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135513520] [2021-04-29 06:00:36,450 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 06:00:36,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:00:36,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 06:00:36,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-04-29 06:00:36,452 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 61 [2021-04-29 06:00:36,452 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 1219 transitions, 23431 flow. Second operand has 9 states, 9 states have (on average 31.0) internal successors, (279), 9 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:00:36,452 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:00:36,453 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 61 [2021-04-29 06:00:36,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:01:05,666 INFO L129 PetriNetUnfolder]: 33632/63488 cut-off events. [2021-04-29 06:01:05,666 INFO L130 PetriNetUnfolder]: For 1357727/1357769 co-relation queries the response was YES. [2021-04-29 06:01:06,371 INFO L84 FinitePrefix]: Finished finitePrefix Result has 488937 conditions, 63488 events. 33632/63488 cut-off events. For 1357727/1357769 co-relation queries the response was YES. Maximal size of possible extension queue 4649. Compared 689877 event pairs, 3125 based on Foata normal form. 1519/65007 useless extension candidates. Maximal degree in co-relation 483884. Up to 26370 conditions per place. [2021-04-29 06:01:06,687 INFO L132 encePairwiseOnDemand]: 56/61 looper letters, 1894 selfloop transitions, 351 changer transitions 4/2258 dead transitions. [2021-04-29 06:01:06,687 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 2258 transitions, 47821 flow [2021-04-29 06:01:06,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 06:01:06,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 06:01:06,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 357 transitions. [2021-04-29 06:01:06,688 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5852459016393443 [2021-04-29 06:01:06,689 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 357 transitions. [2021-04-29 06:01:06,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 357 transitions. [2021-04-29 06:01:06,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:01:06,689 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 357 transitions. [2021-04-29 06:01:06,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 35.7) internal successors, (357), 10 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:01:06,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 61.0) internal successors, (671), 11 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:01:06,696 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 61.0) internal successors, (671), 11 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:01:06,696 INFO L185 Difference]: Start difference. First operand has 159 places, 1219 transitions, 23431 flow. Second operand 10 states and 357 transitions. [2021-04-29 06:01:06,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 2258 transitions, 47821 flow [2021-04-29 06:01:38,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 2258 transitions, 43362 flow, removed 2070 selfloop flow, removed 6 redundant places. [2021-04-29 06:01:38,462 INFO L241 Difference]: Finished difference. Result has 167 places, 1334 transitions, 24460 flow [2021-04-29 06:01:38,463 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=21318, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=241, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=965, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=24460, PETRI_PLACES=167, PETRI_TRANSITIONS=1334} [2021-04-29 06:01:38,464 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 123 predicate places. [2021-04-29 06:01:38,464 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:01:38,464 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 1334 transitions, 24460 flow [2021-04-29 06:01:38,464 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 167 places, 1334 transitions, 24460 flow [2021-04-29 06:01:38,481 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 167 places, 1334 transitions, 24460 flow [2021-04-29 06:01:48,066 INFO L129 PetriNetUnfolder]: 17073/40275 cut-off events. [2021-04-29 06:01:48,066 INFO L130 PetriNetUnfolder]: For 728963/735045 co-relation queries the response was YES. [2021-04-29 06:01:48,533 INFO L84 FinitePrefix]: Finished finitePrefix Result has 265670 conditions, 40275 events. 17073/40275 cut-off events. For 728963/735045 co-relation queries the response was YES. Maximal size of possible extension queue 3838. Compared 517472 event pairs, 1363 based on Foata normal form. 1117/40558 useless extension candidates. Maximal degree in co-relation 261573. Up to 16812 conditions per place. [2021-04-29 06:01:49,366 INFO L146 LiptonReduction]: Number of co-enabled transitions 6870 [2021-04-29 06:01:49,790 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 06:01:49,790 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:01:49,790 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11326 [2021-04-29 06:01:49,791 INFO L480 AbstractCegarLoop]: Abstraction has has 167 places, 1334 transitions, 24460 flow [2021-04-29 06:01:49,791 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 31.0) internal successors, (279), 9 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:01:49,791 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:01:49,792 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:01:50,006 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-04-29 06:01:50,007 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:01:50,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:01:50,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1629867478, now seen corresponding path program 8 times [2021-04-29 06:01:50,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:01:50,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787101931] [2021-04-29 06:01:50,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:01:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:01:50,026 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 06:01:50,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,036 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 06:01:50,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:01:50,043 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 06:01:50,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:01:50,050 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 06:01:50,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:01:50,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:01:50,065 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 06:01:50,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787101931] [2021-04-29 06:01:50,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1499011621] [2021-04-29 06:01:50,065 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 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 [2021-04-29 06:01:50,093 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 06:01:50,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 06:01:50,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 06:01:50,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 06:01:50,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:01:50,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:01:50,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 06:01:50,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:01:50,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:01:50,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 06:01:50,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:01:50,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:01:50,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 06:01:50,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:01:50,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:01:50,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 06:01:50,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:01:50,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 06:01:50,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:01:50,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 06:01:50,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:50,245 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-04-29 06:01:50,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:01:50,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:01:50,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:01:50,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 06:01:50,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:01:50,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:01:50,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:01:50,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:01:50,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:01:50,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:01:50,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:01:50,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:01:50,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:01:50,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:01:50,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:01:50,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:01:50,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:01:50,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:50,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:01:50,267 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-04-29 06:01:50,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 06:01:50,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-04-29 06:01:50,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356417960] [2021-04-29 06:01:50,268 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 06:01:50,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:01:50,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 06:01:50,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-04-29 06:01:50,271 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 61 [2021-04-29 06:01:50,272 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 1334 transitions, 24460 flow. Second operand has 11 states, 11 states have (on average 25.818181818181817) internal successors, (284), 11 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:01:50,272 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:01:50,272 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 61 [2021-04-29 06:01:50,272 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:02:48,676 INFO L129 PetriNetUnfolder]: 61292/117529 cut-off events. [2021-04-29 06:02:48,676 INFO L130 PetriNetUnfolder]: For 2826257/2826280 co-relation queries the response was YES. [2021-04-29 06:02:50,053 INFO L84 FinitePrefix]: Finished finitePrefix Result has 889926 conditions, 117529 events. 61292/117529 cut-off events. For 2826257/2826280 co-relation queries the response was YES. Maximal size of possible extension queue 8947. Compared 1401745 event pairs, 1769 based on Foata normal form. 2540/120061 useless extension candidates. Maximal degree in co-relation 882071. Up to 48573 conditions per place. [2021-04-29 06:02:50,668 INFO L132 encePairwiseOnDemand]: 54/61 looper letters, 3348 selfloop transitions, 684 changer transitions 129/4170 dead transitions. [2021-04-29 06:02:50,668 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 4170 transitions, 86906 flow [2021-04-29 06:02:50,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-04-29 06:02:50,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-04-29 06:02:50,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 833 transitions. [2021-04-29 06:02:50,671 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48770491803278687 [2021-04-29 06:02:50,671 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 833 transitions. [2021-04-29 06:02:50,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 833 transitions. [2021-04-29 06:02:50,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:02:50,672 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 833 transitions. [2021-04-29 06:02:50,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 29.75) internal successors, (833), 28 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:02:50,676 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 61.0) internal successors, (1769), 29 states have internal predecessors, (1769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:02:50,677 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 61.0) internal successors, (1769), 29 states have internal predecessors, (1769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:02:50,677 INFO L185 Difference]: Start difference. First operand has 167 places, 1334 transitions, 24460 flow. Second operand 28 states and 833 transitions. [2021-04-29 06:02:50,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 4170 transitions, 86906 flow [2021-04-29 06:05:21,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 4170 transitions, 85921 flow, removed 324 selfloop flow, removed 3 redundant places. [2021-04-29 06:05:21,471 INFO L241 Difference]: Finished difference. Result has 209 places, 1892 transitions, 36135 flow [2021-04-29 06:05:21,473 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=24113, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=180, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1006, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=36135, PETRI_PLACES=209, PETRI_TRANSITIONS=1892} [2021-04-29 06:05:21,473 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 165 predicate places. [2021-04-29 06:05:21,473 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:05:21,473 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 209 places, 1892 transitions, 36135 flow [2021-04-29 06:05:21,474 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 209 places, 1892 transitions, 36135 flow [2021-04-29 06:05:21,498 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 207 places, 1892 transitions, 36135 flow [2021-04-29 06:05:40,150 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([125] L22-1-->thread1EXIT: Formula: (not (< v_i1_10 v_N1_6)) InVars {i1=v_i1_10, N1=v_N1_6} OutVars{i1=v_i1_10, N1=v_N1_6} AuxVars[] AssignedVars[][789], [Black: 351#(and (< 0 (+ counter2 1)) (= counter1 1) (<= counter2 0)), 385#true, Black: 768#(and (<= i2 i1) (= N2 N1) (<= N2 i1)), Black: 754#(and (<= i2 1) (= N2 N1) (<= 1 i1)), Black: 770#(and (= N2 N1) (<= N2 i1) (<= (+ i2 1) i1)), Black: 760#(and (<= N1 1) (<= i2 1) (= N2 N1) (<= 1 i1)), Black: 766#(and (<= N1 1) (<= i2 1) (= N2 N1) (<= (+ i2 1) i1) (<= 1 i1)), Black: 687#(and (<= i2 i1) (= N2 N1)), 12#thread2EXITtrue, 780#(and (<= j2 j1) (= N2 N1)), 13#thread1EXITtrue, Black: 144#(and (<= j2 0) (< 0 N2) (= N2 N1) (<= 0 i1)), Black: 142#(and (<= j2 0) (= N2 N1) (<= 0 i1)), Black: 547#(<= i1 j1), Black: 579#(and (<= N1 N2) (<= 1 j1) (<= j2 0)), Black: 548#(<= i1 (+ j1 1)), Black: 528#(and (= N2 N1) (<= (+ j2 1) i1) (<= (+ j2 1) N1)), Black: 612#(and (<= N1 N2) (<= 0 j1) (<= j2 0) (<= i1 (+ j1 1))), Black: 530#(and (< 1 N2) (= N2 N1) (<= j2 1) (<= (+ j2 1) i1)), Black: 153#(<= counter1 0), 27#thread3EXITtrue, Black: 550#(<= N1 j1), Black: 532#(and (<= (+ j2 2) N1) (= N2 N1) (<= (+ j2 1) i1)), Black: 646#(and (<= N1 (+ j1 1)) (<= i1 (+ j1 1))), Black: 534#(and (< 1 N2) (<= (+ j2 2) N1) (= N2 N1) (<= j2 1) (<= (+ j2 1) i1)), Black: 536#(and (<= j2 i1) (= N2 N1) (<= (+ j2 1) N1)), Black: 648#(and (<= N1 N2) (<= N1 j1) (< 1 N2) (<= 1 j1) (<= j2 0) (<= i1 (+ j1 1))), Black: 522#(and (<= j2 0) (= N2 N1) (<= 1 i1) (<= (+ j2 1) N1)), Black: 526#(and (< 1 N2) (<= j2 i1) (= N2 N1) (<= j2 1)), Black: 652#(and (< 1 N2) (<= j2 1) (<= i1 (+ j1 1))), 161#(and (<= N1 j1) (<= i1 j1)), Black: 620#(and (<= N1 N2) (<= 1 j1) (<= j2 0) (<= i1 j1)), Black: 654#(and (<= N1 j1) (< 1 N2) (<= i1 j1) (<= j2 1)), 35#thread4EXITtrue, Black: 624#(and (<= N1 N2) (<= 1 j1) (<= j2 0) (<= i1 (+ j1 1))), Black: 658#(and (<= N1 j1) (< 1 N2) (<= j2 1) (<= i1 (+ j1 1))), Black: 158#(<= i1 j1), Black: 626#(and (<= N1 N2) (< 1 N2) (<= 1 j1) (<= j2 0) (<= i1 j1)), Black: 159#(<= N1 j1), Black: 660#(and (< 1 N2) (<= N1 (+ j1 1)) (<= j2 1) (<= i1 (+ j1 1))), Black: 662#(and (<= N1 j1) (< 1 N2) (<= j2 1)), 39#L77true, Black: 632#(and (<= N1 N2) (< 1 N2) (<= 1 j1) (<= j2 0) (<= i1 (+ j1 1))), Black: 634#(and (< 1 N2) (<= i1 j1) (<= j2 1)), Black: 602#(and (< 1 N2) (<= j2 1)), Black: 168#(<= counter2 0), Black: 636#(and (<= N1 N2) (<= N1 j1) (< 1 N2) (<= 1 j1) (<= j2 0) (<= i1 j1)), 690#(<= N1 i1), Black: 281#(and (<= counter1 0) (< 0 (+ counter1 1)) (= counter2 1)), 315#true, 963#(and (<= N2 j1) (= N2 N1) (<= i2 (+ j1 1))), Black: 451#(and (<= counter1 counter2) (= counter2 1) (<= counter2 counter1)), Black: 426#(and (<= counter1 0) (= counter2 0) (< 0 (+ counter1 1))), 455#true, Black: 71#(and (< counter1 (+ counter2 1)) (<= counter2 counter1)), Black: 864#(and (= N2 N1) (<= i2 (+ j1 1))), Black: 961#(and (<= 1 j1) (<= i1 1) (<= N2 j1) (= N2 N1) (<= i2 (+ j1 1))), Black: 931#(and (<= 0 j1) (<= i1 1) (= N2 N1) (<= i2 (+ j1 1))), Black: 76#(and (<= j2 i1) (= N2 N1)), Black: 933#(and (<= 1 j1) (<= i1 1) (= N2 N1) (<= i2 j1)), Black: 965#(and (< 1 N1) (<= i1 1) (<= N2 (+ j1 1)) (= N2 N1) (<= i2 (+ j1 1))), Black: 967#(and (< 1 N1) (<= 1 j1) (<= i1 1)), Black: 969#(and (< 1 N1) (<= i1 1) (<= N2 j1) (= N2 N1) (<= i2 (+ j1 1))), Black: 971#(and (< 1 N1) (<= N1 j1) (<= i1 1)), 86#(<= N1 i1), Black: 943#(and (<= N2 (+ j1 1)) (= N2 N1) (<= i2 (+ j1 1))), Black: 945#(and (<= 1 j1) (<= i1 1) (<= N2 j1) (= N2 N1) (<= i2 j1)), Black: 947#(and (< 1 N1) (<= 1 j1) (<= i1 1) (= N2 N1) (<= i2 j1)), Black: 848#(and (<= 1 j1) (= N2 N1) (<= j2 1)), Black: 850#(and (< 1 N2) (<= 1 j1) (= N2 N1) (<= j2 1)), Black: 949#(and (<= 1 j1) (<= i1 1) (= N2 N1) (<= i2 (+ j1 1))), Black: 953#(and (<= N2 j1) (= N2 N1) (<= i2 j1)), Black: 852#(and (< 1 N2) (<= 1 j1) (= N2 N1) (<= j2 1) (<= (+ j2 1) j1)), Black: 85#(<= j1 i1), Black: 955#(and (< 1 N1) (<= 1 j1) (<= i1 1) (= N2 N1) (<= i2 (+ j1 1))), Black: 854#(and (= N2 N1) (<= (+ j2 1) j1) (<= (+ j2 1) N1)), Black: 957#(and (< 1 N1) (<= i1 1) (<= N2 j1) (= N2 N1) (<= i2 j1)), Black: 863#(and (= N2 N1) (<= i2 j1)), Black: 959#(and (<= 1 j1) (<= i1 1) (<= N2 (+ j1 1)) (= N2 N1) (<= i2 (+ j1 1))), 248#true, Black: 378#(and (< counter1 (+ counter2 1)) (= counter1 1) (<= counter2 counter1)), 638#(and (<= N1 j1) (<= i1 j1)), Black: 318#(and (<= counter1 (+ counter2 1)) (<= counter2 0)), Black: 319#(and (<= counter1 counter2) (<= counter2 1))]) [2021-04-29 06:05:40,150 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2021-04-29 06:05:40,151 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-04-29 06:05:40,151 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-04-29 06:05:40,151 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-04-29 06:05:40,152 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([125] L22-1-->thread1EXIT: Formula: (not (< v_i1_10 v_N1_6)) InVars {i1=v_i1_10, N1=v_N1_6} OutVars{i1=v_i1_10, N1=v_N1_6} AuxVars[] AssignedVars[][789], [Black: 351#(and (< 0 (+ counter2 1)) (= counter1 1) (<= counter2 0)), 385#true, Black: 768#(and (<= i2 i1) (= N2 N1) (<= N2 i1)), Black: 754#(and (<= i2 1) (= N2 N1) (<= 1 i1)), Black: 770#(and (= N2 N1) (<= N2 i1) (<= (+ i2 1) i1)), Black: 760#(and (<= N1 1) (<= i2 1) (= N2 N1) (<= 1 i1)), Black: 766#(and (<= N1 1) (<= i2 1) (= N2 N1) (<= (+ i2 1) i1) (<= 1 i1)), Black: 687#(and (<= i2 i1) (= N2 N1)), 778#true, 12#thread2EXITtrue, 13#thread1EXITtrue, Black: 144#(and (<= j2 0) (< 0 N2) (= N2 N1) (<= 0 i1)), Black: 142#(and (<= j2 0) (= N2 N1) (<= 0 i1)), Black: 547#(<= i1 j1), Black: 579#(and (<= N1 N2) (<= 1 j1) (<= j2 0)), Black: 528#(and (= N2 N1) (<= (+ j2 1) i1) (<= (+ j2 1) N1)), Black: 548#(<= i1 (+ j1 1)), Black: 612#(and (<= N1 N2) (<= 0 j1) (<= j2 0) (<= i1 (+ j1 1))), Black: 530#(and (< 1 N2) (= N2 N1) (<= j2 1) (<= (+ j2 1) i1)), 27#thread3EXITtrue, Black: 153#(<= counter1 0), Black: 532#(and (<= (+ j2 2) N1) (= N2 N1) (<= (+ j2 1) i1)), Black: 550#(<= N1 j1), Black: 646#(and (<= N1 (+ j1 1)) (<= i1 (+ j1 1))), Black: 534#(and (< 1 N2) (<= (+ j2 2) N1) (= N2 N1) (<= j2 1) (<= (+ j2 1) i1)), Black: 536#(and (<= j2 i1) (= N2 N1) (<= (+ j2 1) N1)), Black: 648#(and (<= N1 N2) (<= N1 j1) (< 1 N2) (<= 1 j1) (<= j2 0) (<= i1 (+ j1 1))), Black: 522#(and (<= j2 0) (= N2 N1) (<= 1 i1) (<= (+ j2 1) N1)), Black: 652#(and (< 1 N2) (<= j2 1) (<= i1 (+ j1 1))), Black: 526#(and (< 1 N2) (<= j2 i1) (= N2 N1) (<= j2 1)), Black: 620#(and (<= N1 N2) (<= 1 j1) (<= j2 0) (<= i1 j1)), 161#(and (<= N1 j1) (<= i1 j1)), Black: 654#(and (<= N1 j1) (< 1 N2) (<= i1 j1) (<= j2 1)), 35#thread4EXITtrue, Black: 624#(and (<= N1 N2) (<= 1 j1) (<= j2 0) (<= i1 (+ j1 1))), Black: 658#(and (<= N1 j1) (< 1 N2) (<= j2 1) (<= i1 (+ j1 1))), Black: 158#(<= i1 j1), Black: 626#(and (<= N1 N2) (< 1 N2) (<= 1 j1) (<= j2 0) (<= i1 j1)), Black: 159#(<= N1 j1), Black: 660#(and (< 1 N2) (<= N1 (+ j1 1)) (<= j2 1) (<= i1 (+ j1 1))), Black: 662#(and (<= N1 j1) (< 1 N2) (<= j2 1)), 39#L77true, Black: 632#(and (<= N1 N2) (< 1 N2) (<= 1 j1) (<= j2 0) (<= i1 (+ j1 1))), Black: 634#(and (< 1 N2) (<= i1 j1) (<= j2 1)), Black: 602#(and (< 1 N2) (<= j2 1)), Black: 168#(<= counter2 0), Black: 636#(and (<= N1 N2) (<= N1 j1) (< 1 N2) (<= 1 j1) (<= j2 0) (<= i1 j1)), 690#(<= N1 i1), Black: 281#(and (<= counter1 0) (< 0 (+ counter1 1)) (= counter2 1)), 315#true, Black: 451#(and (<= counter1 counter2) (= counter2 1) (<= counter2 counter1)), Black: 426#(and (<= counter1 0) (= counter2 0) (< 0 (+ counter1 1))), 455#true, Black: 71#(and (< counter1 (+ counter2 1)) (<= counter2 counter1)), Black: 864#(and (= N2 N1) (<= i2 (+ j1 1))), Black: 961#(and (<= 1 j1) (<= i1 1) (<= N2 j1) (= N2 N1) (<= i2 (+ j1 1))), Black: 963#(and (<= N2 j1) (= N2 N1) (<= i2 (+ j1 1))), Black: 931#(and (<= 0 j1) (<= i1 1) (= N2 N1) (<= i2 (+ j1 1))), Black: 76#(and (<= j2 i1) (= N2 N1)), Black: 933#(and (<= 1 j1) (<= i1 1) (= N2 N1) (<= i2 j1)), Black: 965#(and (< 1 N1) (<= i1 1) (<= N2 (+ j1 1)) (= N2 N1) (<= i2 (+ j1 1))), Black: 967#(and (< 1 N1) (<= 1 j1) (<= i1 1)), Black: 969#(and (< 1 N1) (<= i1 1) (<= N2 j1) (= N2 N1) (<= i2 (+ j1 1))), Black: 971#(and (< 1 N1) (<= N1 j1) (<= i1 1)), 86#(<= N1 i1), Black: 943#(and (<= N2 (+ j1 1)) (= N2 N1) (<= i2 (+ j1 1))), Black: 945#(and (<= 1 j1) (<= i1 1) (<= N2 j1) (= N2 N1) (<= i2 j1)), Black: 848#(and (<= 1 j1) (= N2 N1) (<= j2 1)), Black: 947#(and (< 1 N1) (<= 1 j1) (<= i1 1) (= N2 N1) (<= i2 j1)), Black: 949#(and (<= 1 j1) (<= i1 1) (= N2 N1) (<= i2 (+ j1 1))), Black: 850#(and (< 1 N2) (<= 1 j1) (= N2 N1) (<= j2 1)), Black: 852#(and (< 1 N2) (<= 1 j1) (= N2 N1) (<= j2 1) (<= (+ j2 1) j1)), Black: 85#(<= j1 i1), Black: 953#(and (<= N2 j1) (= N2 N1) (<= i2 j1)), Black: 854#(and (= N2 N1) (<= (+ j2 1) j1) (<= (+ j2 1) N1)), Black: 955#(and (< 1 N1) (<= 1 j1) (<= i1 1) (= N2 N1) (<= i2 (+ j1 1))), Black: 957#(and (< 1 N1) (<= i1 1) (<= N2 j1) (= N2 N1) (<= i2 j1)), Black: 780#(and (<= j2 j1) (= N2 N1)), Black: 863#(and (= N2 N1) (<= i2 j1)), Black: 959#(and (<= 1 j1) (<= i1 1) (<= N2 (+ j1 1)) (= N2 N1) (<= i2 (+ j1 1))), 867#(<= N1 j1), 248#true, Black: 378#(and (< counter1 (+ counter2 1)) (= counter1 1) (<= counter2 counter1)), Black: 318#(and (<= counter1 (+ counter2 1)) (<= counter2 0)), 638#(and (<= N1 j1) (<= i1 j1)), Black: 319#(and (<= counter1 counter2) (<= counter2 1))]) [2021-04-29 06:05:40,152 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2021-04-29 06:05:40,153 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-04-29 06:05:40,153 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-04-29 06:05:40,153 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-04-29 06:05:41,884 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([125] L22-1-->thread1EXIT: Formula: (not (< v_i1_10 v_N1_6)) InVars {i1=v_i1_10, N1=v_N1_6} OutVars{i1=v_i1_10, N1=v_N1_6} AuxVars[] AssignedVars[][789], [Black: 351#(and (< 0 (+ counter2 1)) (= counter1 1) (<= counter2 0)), 385#true, Black: 768#(and (<= i2 i1) (= N2 N1) (<= N2 i1)), 644#(and (<= N1 j1) (<= i1 (+ j1 1))), Black: 754#(and (<= i2 1) (= N2 N1) (<= 1 i1)), Black: 770#(and (= N2 N1) (<= N2 i1) (<= (+ i2 1) i1)), Black: 760#(and (<= N1 1) (<= i2 1) (= N2 N1) (<= 1 i1)), Black: 766#(and (<= N1 1) (<= i2 1) (= N2 N1) (<= (+ i2 1) i1) (<= 1 i1)), Black: 687#(and (<= i2 i1) (= N2 N1)), 778#true, 12#thread2EXITtrue, 13#thread1EXITtrue, Black: 144#(and (<= j2 0) (< 0 N2) (= N2 N1) (<= 0 i1)), Black: 142#(and (<= j2 0) (= N2 N1) (<= 0 i1)), Black: 547#(<= i1 j1), Black: 579#(and (<= N1 N2) (<= 1 j1) (<= j2 0)), Black: 528#(and (= N2 N1) (<= (+ j2 1) i1) (<= (+ j2 1) N1)), Black: 548#(<= i1 (+ j1 1)), Black: 530#(and (< 1 N2) (= N2 N1) (<= j2 1) (<= (+ j2 1) i1)), Black: 153#(<= counter1 0), 27#thread3EXITtrue, Black: 612#(and (<= N1 N2) (<= 0 j1) (<= j2 0) (<= i1 (+ j1 1))), Black: 550#(<= N1 j1), Black: 532#(and (<= (+ j2 2) N1) (= N2 N1) (<= (+ j2 1) i1)), Black: 646#(and (<= N1 (+ j1 1)) (<= i1 (+ j1 1))), Black: 534#(and (< 1 N2) (<= (+ j2 2) N1) (= N2 N1) (<= j2 1) (<= (+ j2 1) i1)), Black: 536#(and (<= j2 i1) (= N2 N1) (<= (+ j2 1) N1)), Black: 648#(and (<= N1 N2) (<= N1 j1) (< 1 N2) (<= 1 j1) (<= j2 0) (<= i1 (+ j1 1))), 159#(<= N1 j1), Black: 522#(and (<= j2 0) (= N2 N1) (<= 1 i1) (<= (+ j2 1) N1)), Black: 652#(and (< 1 N2) (<= j2 1) (<= i1 (+ j1 1))), Black: 526#(and (< 1 N2) (<= j2 i1) (= N2 N1) (<= j2 1)), Black: 620#(and (<= N1 N2) (<= 1 j1) (<= j2 0) (<= i1 j1)), Black: 654#(and (<= N1 j1) (< 1 N2) (<= i1 j1) (<= j2 1)), 35#thread4EXITtrue, Black: 624#(and (<= N1 N2) (<= 1 j1) (<= j2 0) (<= i1 (+ j1 1))), Black: 658#(and (<= N1 j1) (< 1 N2) (<= j2 1) (<= i1 (+ j1 1))), Black: 158#(<= i1 j1), Black: 626#(and (<= N1 N2) (< 1 N2) (<= 1 j1) (<= j2 0) (<= i1 j1)), Black: 660#(and (< 1 N2) (<= N1 (+ j1 1)) (<= j2 1) (<= i1 (+ j1 1))), Black: 662#(and (<= N1 j1) (< 1 N2) (<= j2 1)), 39#L77true, Black: 632#(and (<= N1 N2) (< 1 N2) (<= 1 j1) (<= j2 0) (<= i1 (+ j1 1))), Black: 634#(and (< 1 N2) (<= i1 j1) (<= j2 1)), Black: 602#(and (< 1 N2) (<= j2 1)), Black: 168#(<= counter2 0), Black: 636#(and (<= N1 N2) (<= N1 j1) (< 1 N2) (<= 1 j1) (<= j2 0) (<= i1 j1)), Black: 638#(and (<= N1 j1) (<= i1 j1)), 690#(<= N1 i1), Black: 281#(and (<= counter1 0) (< 0 (+ counter1 1)) (= counter2 1)), 315#true, Black: 451#(and (<= counter1 counter2) (= counter2 1) (<= counter2 counter1)), Black: 426#(and (<= counter1 0) (= counter2 0) (< 0 (+ counter1 1))), 455#true, Black: 71#(and (< counter1 (+ counter2 1)) (<= counter2 counter1)), Black: 864#(and (= N2 N1) (<= i2 (+ j1 1))), Black: 961#(and (<= 1 j1) (<= i1 1) (<= N2 j1) (= N2 N1) (<= i2 (+ j1 1))), Black: 963#(and (<= N2 j1) (= N2 N1) (<= i2 (+ j1 1))), Black: 931#(and (<= 0 j1) (<= i1 1) (= N2 N1) (<= i2 (+ j1 1))), Black: 76#(and (<= j2 i1) (= N2 N1)), Black: 933#(and (<= 1 j1) (<= i1 1) (= N2 N1) (<= i2 j1)), Black: 965#(and (< 1 N1) (<= i1 1) (<= N2 (+ j1 1)) (= N2 N1) (<= i2 (+ j1 1))), Black: 967#(and (< 1 N1) (<= 1 j1) (<= i1 1)), Black: 969#(and (< 1 N1) (<= i1 1) (<= N2 j1) (= N2 N1) (<= i2 (+ j1 1))), Black: 971#(and (< 1 N1) (<= N1 j1) (<= i1 1)), 86#(<= N1 i1), Black: 943#(and (<= N2 (+ j1 1)) (= N2 N1) (<= i2 (+ j1 1))), Black: 945#(and (<= 1 j1) (<= i1 1) (<= N2 j1) (= N2 N1) (<= i2 j1)), Black: 947#(and (< 1 N1) (<= 1 j1) (<= i1 1) (= N2 N1) (<= i2 j1)), Black: 848#(and (<= 1 j1) (= N2 N1) (<= j2 1)), Black: 949#(and (<= 1 j1) (<= i1 1) (= N2 N1) (<= i2 (+ j1 1))), Black: 850#(and (< 1 N2) (<= 1 j1) (= N2 N1) (<= j2 1)), Black: 852#(and (< 1 N2) (<= 1 j1) (= N2 N1) (<= j2 1) (<= (+ j2 1) j1)), Black: 85#(<= j1 i1), Black: 953#(and (<= N2 j1) (= N2 N1) (<= i2 j1)), Black: 854#(and (= N2 N1) (<= (+ j2 1) j1) (<= (+ j2 1) N1)), Black: 955#(and (< 1 N1) (<= 1 j1) (<= i1 1) (= N2 N1) (<= i2 (+ j1 1))), Black: 957#(and (< 1 N1) (<= i1 1) (<= N2 j1) (= N2 N1) (<= i2 j1)), Black: 780#(and (<= j2 j1) (= N2 N1)), Black: 863#(and (= N2 N1) (<= i2 j1)), Black: 959#(and (<= 1 j1) (<= i1 1) (<= N2 (+ j1 1)) (= N2 N1) (<= i2 (+ j1 1))), 867#(<= N1 j1), 248#true, Black: 378#(and (< counter1 (+ counter2 1)) (= counter1 1) (<= counter2 counter1)), Black: 318#(and (<= counter1 (+ counter2 1)) (<= counter2 0)), Black: 319#(and (<= counter1 counter2) (<= counter2 1))]) [2021-04-29 06:05:41,884 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2021-04-29 06:05:41,884 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-04-29 06:05:41,884 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-04-29 06:05:41,884 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-04-29 06:05:43,801 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([121] thread4EXIT-->L81: Formula: (and (= v_thread4Thread1of1ForFork3_thidvar0_4 4) (= v_thread4Thread1of1ForFork3_thidvar3_4 4) (= v_thread4Thread1of1ForFork3_thidvar1_4 4) (= v_thread4Thread1of1ForFork3_thidvar2_4 4)) InVars {thread4Thread1of1ForFork3_thidvar1=v_thread4Thread1of1ForFork3_thidvar1_4, thread4Thread1of1ForFork3_thidvar0=v_thread4Thread1of1ForFork3_thidvar0_4, thread4Thread1of1ForFork3_thidvar3=v_thread4Thread1of1ForFork3_thidvar3_4, thread4Thread1of1ForFork3_thidvar2=v_thread4Thread1of1ForFork3_thidvar2_4} OutVars{thread4Thread1of1ForFork3_thidvar1=v_thread4Thread1of1ForFork3_thidvar1_4, thread4Thread1of1ForFork3_thidvar0=v_thread4Thread1of1ForFork3_thidvar0_4, thread4Thread1of1ForFork3_thidvar3=v_thread4Thread1of1ForFork3_thidvar3_4, thread4Thread1of1ForFork3_thidvar2=v_thread4Thread1of1ForFork3_thidvar2_4} AuxVars[] AssignedVars[][490], [Black: 351#(and (< 0 (+ counter2 1)) (= counter1 1) (<= counter2 0)), 768#(and (<= i2 i1) (= N2 N1) (<= N2 i1)), 385#true, Black: 754#(and (<= i2 1) (= N2 N1) (<= 1 i1)), Black: 770#(and (= N2 N1) (<= N2 i1) (<= (+ i2 1) i1)), Black: 760#(and (<= N1 1) (<= i2 1) (= N2 N1) (<= 1 i1)), Black: 766#(and (<= N1 1) (<= i2 1) (= N2 N1) (<= (+ i2 1) i1) (<= 1 i1)), Black: 687#(and (<= i2 i1) (= N2 N1)), 780#(and (<= j2 j1) (= N2 N1)), Black: 144#(and (<= j2 0) (< 0 N2) (= N2 N1) (<= 0 i1)), Black: 142#(and (<= j2 0) (= N2 N1) (<= 0 i1)), Black: 547#(<= i1 j1), Black: 579#(and (<= N1 N2) (<= 1 j1) (<= j2 0)), Black: 528#(and (= N2 N1) (<= (+ j2 1) i1) (<= (+ j2 1) N1)), Black: 548#(<= i1 (+ j1 1)), Black: 530#(and (< 1 N2) (= N2 N1) (<= j2 1) (<= (+ j2 1) i1)), Black: 612#(and (<= N1 N2) (<= 0 j1) (<= j2 0) (<= i1 (+ j1 1))), Black: 153#(<= counter1 0), Black: 532#(and (<= (+ j2 2) N1) (= N2 N1) (<= (+ j2 1) i1)), 28#L81true, Black: 534#(and (< 1 N2) (<= (+ j2 2) N1) (= N2 N1) (<= j2 1) (<= (+ j2 1) i1)), Black: 646#(and (<= N1 (+ j1 1)) (<= i1 (+ j1 1))), Black: 536#(and (<= j2 i1) (= N2 N1) (<= (+ j2 1) N1)), Black: 648#(and (<= N1 N2) (<= N1 j1) (< 1 N2) (<= 1 j1) (<= j2 0) (<= i1 (+ j1 1))), 159#(<= N1 j1), Black: 522#(and (<= j2 0) (= N2 N1) (<= 1 i1) (<= (+ j2 1) N1)), Black: 526#(and (< 1 N2) (<= j2 i1) (= N2 N1) (<= j2 1)), Black: 652#(and (< 1 N2) (<= j2 1) (<= i1 (+ j1 1))), Black: 620#(and (<= N1 N2) (<= 1 j1) (<= j2 0) (<= i1 j1)), Black: 654#(and (<= N1 j1) (< 1 N2) (<= i1 j1) (<= j2 1)), Black: 624#(and (<= N1 N2) (<= 1 j1) (<= j2 0) (<= i1 (+ j1 1))), Black: 158#(<= i1 j1), Black: 658#(and (<= N1 j1) (< 1 N2) (<= j2 1) (<= i1 (+ j1 1))), Black: 626#(and (<= N1 N2) (< 1 N2) (<= 1 j1) (<= j2 0) (<= i1 j1)), Black: 660#(and (< 1 N2) (<= N1 (+ j1 1)) (<= j2 1) (<= i1 (+ j1 1))), 550#(<= N1 j1), Black: 662#(and (<= N1 j1) (< 1 N2) (<= j2 1)), Black: 632#(and (<= N1 N2) (< 1 N2) (<= 1 j1) (<= j2 0) (<= i1 (+ j1 1))), Black: 634#(and (< 1 N2) (<= i1 j1) (<= j2 1)), Black: 168#(<= counter2 0), Black: 602#(and (< 1 N2) (<= j2 1)), Black: 636#(and (<= N1 N2) (<= N1 j1) (< 1 N2) (<= 1 j1) (<= j2 0) (<= i1 j1)), Black: 638#(and (<= N1 j1) (<= i1 j1)), Black: 281#(and (<= counter1 0) (< 0 (+ counter1 1)) (= counter2 1)), 315#true, Black: 451#(and (<= counter1 counter2) (= counter2 1) (<= counter2 counter1)), Black: 426#(and (<= counter1 0) (= counter2 0) (< 0 (+ counter1 1))), Black: 71#(and (< counter1 (+ counter2 1)) (<= counter2 counter1)), 457#(and (<= j2 i1) (= N2 N1)), Black: 864#(and (= N2 N1) (<= i2 (+ j1 1))), Black: 961#(and (<= 1 j1) (<= i1 1) (<= N2 j1) (= N2 N1) (<= i2 (+ j1 1))), Black: 963#(and (<= N2 j1) (= N2 N1) (<= i2 (+ j1 1))), Black: 931#(and (<= 0 j1) (<= i1 1) (= N2 N1) (<= i2 (+ j1 1))), Black: 76#(and (<= j2 i1) (= N2 N1)), Black: 933#(and (<= 1 j1) (<= i1 1) (= N2 N1) (<= i2 j1)), Black: 965#(and (< 1 N1) (<= i1 1) (<= N2 (+ j1 1)) (= N2 N1) (<= i2 (+ j1 1))), Black: 967#(and (< 1 N1) (<= 1 j1) (<= i1 1)), Black: 969#(and (< 1 N1) (<= i1 1) (<= N2 j1) (= N2 N1) (<= i2 (+ j1 1))), Black: 971#(and (< 1 N1) (<= N1 j1) (<= i1 1)), 86#(<= N1 i1), Black: 943#(and (<= N2 (+ j1 1)) (= N2 N1) (<= i2 (+ j1 1))), Black: 945#(and (<= 1 j1) (<= i1 1) (<= N2 j1) (= N2 N1) (<= i2 j1)), Black: 848#(and (<= 1 j1) (= N2 N1) (<= j2 1)), Black: 947#(and (< 1 N1) (<= 1 j1) (<= i1 1) (= N2 N1) (<= i2 j1)), Black: 949#(and (<= 1 j1) (<= i1 1) (= N2 N1) (<= i2 (+ j1 1))), Black: 850#(and (< 1 N2) (<= 1 j1) (= N2 N1) (<= j2 1)), Black: 852#(and (< 1 N2) (<= 1 j1) (= N2 N1) (<= j2 1) (<= (+ j2 1) j1)), Black: 953#(and (<= N2 j1) (= N2 N1) (<= i2 j1)), Black: 85#(<= j1 i1), Black: 854#(and (= N2 N1) (<= (+ j2 1) j1) (<= (+ j2 1) N1)), Black: 955#(and (< 1 N1) (<= 1 j1) (<= i1 1) (= N2 N1) (<= i2 (+ j1 1))), Black: 957#(and (< 1 N1) (<= i1 1) (<= N2 j1) (= N2 N1) (<= i2 j1)), Black: 863#(and (= N2 N1) (<= i2 j1)), Black: 959#(and (<= 1 j1) (<= i1 1) (<= N2 (+ j1 1)) (= N2 N1) (<= i2 (+ j1 1))), 867#(<= N1 j1), 248#true, Black: 378#(and (< counter1 (+ counter2 1)) (= counter1 1) (<= counter2 counter1)), Black: 318#(and (<= counter1 (+ counter2 1)) (<= counter2 0)), Black: 319#(and (<= counter1 counter2) (<= counter2 1))]) [2021-04-29 06:05:43,801 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is not cut-off event [2021-04-29 06:05:43,801 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2021-04-29 06:05:43,801 INFO L387 tUnfolder$Statistics]: existing Event has 22 ancestors and is not cut-off event [2021-04-29 06:05:43,801 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2021-04-29 06:05:44,178 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([121] thread4EXIT-->L81: Formula: (and (= v_thread4Thread1of1ForFork3_thidvar0_4 4) (= v_thread4Thread1of1ForFork3_thidvar3_4 4) (= v_thread4Thread1of1ForFork3_thidvar1_4 4) (= v_thread4Thread1of1ForFork3_thidvar2_4 4)) InVars {thread4Thread1of1ForFork3_thidvar1=v_thread4Thread1of1ForFork3_thidvar1_4, thread4Thread1of1ForFork3_thidvar0=v_thread4Thread1of1ForFork3_thidvar0_4, thread4Thread1of1ForFork3_thidvar3=v_thread4Thread1of1ForFork3_thidvar3_4, thread4Thread1of1ForFork3_thidvar2=v_thread4Thread1of1ForFork3_thidvar2_4} OutVars{thread4Thread1of1ForFork3_thidvar1=v_thread4Thread1of1ForFork3_thidvar1_4, thread4Thread1of1ForFork3_thidvar0=v_thread4Thread1of1ForFork3_thidvar0_4, thread4Thread1of1ForFork3_thidvar3=v_thread4Thread1of1ForFork3_thidvar3_4, thread4Thread1of1ForFork3_thidvar2=v_thread4Thread1of1ForFork3_thidvar2_4} AuxVars[] AssignedVars[][490], [Black: 351#(and (< 0 (+ counter2 1)) (= counter1 1) (<= counter2 0)), 385#true, 770#(and (= N2 N1) (<= N2 i1) (<= (+ i2 1) i1)), Black: 768#(and (<= i2 i1) (= N2 N1) (<= N2 i1)), Black: 754#(and (<= i2 1) (= N2 N1) (<= 1 i1)), Black: 760#(and (<= N1 1) (<= i2 1) (= N2 N1) (<= 1 i1)), Black: 766#(and (<= N1 1) (<= i2 1) (= N2 N1) (<= (+ i2 1) i1) (<= 1 i1)), Black: 687#(and (<= i2 i1) (= N2 N1)), 778#true, Black: 144#(and (<= j2 0) (< 0 N2) (= N2 N1) (<= 0 i1)), Black: 142#(and (<= j2 0) (= N2 N1) (<= 0 i1)), Black: 547#(<= i1 j1), Black: 579#(and (<= N1 N2) (<= 1 j1) (<= j2 0)), Black: 528#(and (= N2 N1) (<= (+ j2 1) i1) (<= (+ j2 1) N1)), Black: 548#(<= i1 (+ j1 1)), Black: 530#(and (< 1 N2) (= N2 N1) (<= j2 1) (<= (+ j2 1) i1)), Black: 153#(<= counter1 0), Black: 612#(and (<= N1 N2) (<= 0 j1) (<= j2 0) (<= i1 (+ j1 1))), Black: 532#(and (<= (+ j2 2) N1) (= N2 N1) (<= (+ j2 1) i1)), 28#L81true, Black: 534#(and (< 1 N2) (<= (+ j2 2) N1) (= N2 N1) (<= j2 1) (<= (+ j2 1) i1)), Black: 646#(and (<= N1 (+ j1 1)) (<= i1 (+ j1 1))), Black: 536#(and (<= j2 i1) (= N2 N1) (<= (+ j2 1) N1)), Black: 648#(and (<= N1 N2) (<= N1 j1) (< 1 N2) (<= 1 j1) (<= j2 0) (<= i1 (+ j1 1))), Black: 522#(and (<= j2 0) (= N2 N1) (<= 1 i1) (<= (+ j2 1) N1)), 159#(<= N1 j1), Black: 526#(and (< 1 N2) (<= j2 i1) (= N2 N1) (<= j2 1)), Black: 652#(and (< 1 N2) (<= j2 1) (<= i1 (+ j1 1))), Black: 620#(and (<= N1 N2) (<= 1 j1) (<= j2 0) (<= i1 j1)), Black: 654#(and (<= N1 j1) (< 1 N2) (<= i1 j1) (<= j2 1)), Black: 624#(and (<= N1 N2) (<= 1 j1) (<= j2 0) (<= i1 (+ j1 1))), Black: 658#(and (<= N1 j1) (< 1 N2) (<= j2 1) (<= i1 (+ j1 1))), Black: 158#(<= i1 j1), Black: 626#(and (<= N1 N2) (< 1 N2) (<= 1 j1) (<= j2 0) (<= i1 j1)), Black: 660#(and (< 1 N2) (<= N1 (+ j1 1)) (<= j2 1) (<= i1 (+ j1 1))), 550#(<= N1 j1), Black: 662#(and (<= N1 j1) (< 1 N2) (<= j2 1)), Black: 632#(and (<= N1 N2) (< 1 N2) (<= 1 j1) (<= j2 0) (<= i1 (+ j1 1))), Black: 634#(and (< 1 N2) (<= i1 j1) (<= j2 1)), Black: 168#(<= counter2 0), Black: 602#(and (< 1 N2) (<= j2 1)), Black: 636#(and (<= N1 N2) (<= N1 j1) (< 1 N2) (<= 1 j1) (<= j2 0) (<= i1 j1)), Black: 638#(and (<= N1 j1) (<= i1 j1)), Black: 281#(and (<= counter1 0) (< 0 (+ counter1 1)) (= counter2 1)), 315#true, Black: 451#(and (<= counter1 counter2) (= counter2 1) (<= counter2 counter1)), Black: 426#(and (<= counter1 0) (= counter2 0) (< 0 (+ counter1 1))), Black: 71#(and (< counter1 (+ counter2 1)) (<= counter2 counter1)), 457#(and (<= j2 i1) (= N2 N1)), Black: 864#(and (= N2 N1) (<= i2 (+ j1 1))), Black: 961#(and (<= 1 j1) (<= i1 1) (<= N2 j1) (= N2 N1) (<= i2 (+ j1 1))), Black: 963#(and (<= N2 j1) (= N2 N1) (<= i2 (+ j1 1))), Black: 931#(and (<= 0 j1) (<= i1 1) (= N2 N1) (<= i2 (+ j1 1))), Black: 76#(and (<= j2 i1) (= N2 N1)), Black: 933#(and (<= 1 j1) (<= i1 1) (= N2 N1) (<= i2 j1)), Black: 965#(and (< 1 N1) (<= i1 1) (<= N2 (+ j1 1)) (= N2 N1) (<= i2 (+ j1 1))), Black: 967#(and (< 1 N1) (<= 1 j1) (<= i1 1)), Black: 969#(and (< 1 N1) (<= i1 1) (<= N2 j1) (= N2 N1) (<= i2 (+ j1 1))), Black: 971#(and (< 1 N1) (<= N1 j1) (<= i1 1)), Black: 943#(and (<= N2 (+ j1 1)) (= N2 N1) (<= i2 (+ j1 1))), 86#(<= N1 i1), Black: 945#(and (<= 1 j1) (<= i1 1) (<= N2 j1) (= N2 N1) (<= i2 j1)), Black: 848#(and (<= 1 j1) (= N2 N1) (<= j2 1)), Black: 947#(and (< 1 N1) (<= 1 j1) (<= i1 1) (= N2 N1) (<= i2 j1)), Black: 850#(and (< 1 N2) (<= 1 j1) (= N2 N1) (<= j2 1)), Black: 949#(and (<= 1 j1) (<= i1 1) (= N2 N1) (<= i2 (+ j1 1))), Black: 852#(and (< 1 N2) (<= 1 j1) (= N2 N1) (<= j2 1) (<= (+ j2 1) j1)), Black: 953#(and (<= N2 j1) (= N2 N1) (<= i2 j1)), Black: 85#(<= j1 i1), Black: 854#(and (= N2 N1) (<= (+ j2 1) j1) (<= (+ j2 1) N1)), Black: 955#(and (< 1 N1) (<= 1 j1) (<= i1 1) (= N2 N1) (<= i2 (+ j1 1))), Black: 780#(and (<= j2 j1) (= N2 N1)), Black: 957#(and (< 1 N1) (<= i1 1) (<= N2 j1) (= N2 N1) (<= i2 j1)), Black: 863#(and (= N2 N1) (<= i2 j1)), Black: 959#(and (<= 1 j1) (<= i1 1) (<= N2 (+ j1 1)) (= N2 N1) (<= i2 (+ j1 1))), 867#(<= N1 j1), 248#true, Black: 378#(and (< counter1 (+ counter2 1)) (= counter1 1) (<= counter2 counter1)), Black: 318#(and (<= counter1 (+ counter2 1)) (<= counter2 0)), Black: 319#(and (<= counter1 counter2) (<= counter2 1))]) [2021-04-29 06:05:44,178 INFO L384 tUnfolder$Statistics]: this new event has 22 ancestors and is not cut-off event [2021-04-29 06:05:44,178 INFO L387 tUnfolder$Statistics]: existing Event has 22 ancestors and is not cut-off event [2021-04-29 06:05:44,178 INFO L387 tUnfolder$Statistics]: existing Event has 22 ancestors and is not cut-off event [2021-04-29 06:05:44,178 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is not cut-off event [2021-04-29 06:05:44,776 INFO L129 PetriNetUnfolder]: 40902/88080 cut-off events. [2021-04-29 06:05:44,777 INFO L130 PetriNetUnfolder]: For 2063212/2077812 co-relation queries the response was YES. [2021-04-29 06:05:46,611 INFO L84 FinitePrefix]: Finished finitePrefix Result has 676670 conditions, 88080 events. 40902/88080 cut-off events. For 2063212/2077812 co-relation queries the response was YES. Maximal size of possible extension queue 8340. Compared 1157886 event pairs, 1952 based on Foata normal form. 1956/88484 useless extension candidates. Maximal degree in co-relation 675010. Up to 36499 conditions per place. [2021-04-29 06:05:53,236 INFO L146 LiptonReduction]: Number of co-enabled transitions 10848 [2021-04-29 06:05:54,104 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 06:05:54,104 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:05:54,105 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 32632 [2021-04-29 06:05:54,105 INFO L480 AbstractCegarLoop]: Abstraction has has 207 places, 1892 transitions, 36135 flow [2021-04-29 06:05:54,106 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 25.818181818181817) internal successors, (284), 11 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:05:54,106 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:05:54,106 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:05:54,306 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-04-29 06:05:54,307 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:05:54,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:05:54,308 INFO L82 PathProgramCache]: Analyzing trace with hash -1549368577, now seen corresponding path program 9 times [2021-04-29 06:05:54,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:05:54,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879018406] [2021-04-29 06:05:54,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:05:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:05:54,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:05:54,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 06:05:54,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:05:54,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:05:54,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:05:54,345 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 06:05:54,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879018406] [2021-04-29 06:05:54,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062225421] [2021-04-29 06:05:54,345 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 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 [2021-04-29 06:05:54,372 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-04-29 06:05:54,373 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 06:05:54,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 06:05:54,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 06:05:54,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:05:54,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:05:54,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:05:54,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:05:54,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:05:54,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:05:54,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:05:54,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:05:54,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:05:54,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:05:54,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:05:54,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:05:54,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:05:54,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:05:54,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:05:54,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:05:54,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:05:54,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:05:54,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:05:54,476 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-04-29 06:05:54,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:05:54,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:05:54,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 06:05:54,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:05:54,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:05:54,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:05:54,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:05:54,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:05:54,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:05:54,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:05:54,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:05:54,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:05:54,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:05:54,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:05:54,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:05:54,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:05:54,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:05:54,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:05:54,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:05:54,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:05:54,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:05:54,490 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-04-29 06:05:54,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 06:05:54,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-04-29 06:05:54,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203992398] [2021-04-29 06:05:54,491 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 06:05:54,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:05:54,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 06:05:54,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-04-29 06:05:54,492 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 61 [2021-04-29 06:05:54,492 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 1892 transitions, 36135 flow. Second operand has 9 states, 9 states have (on average 26.11111111111111) internal successors, (235), 9 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:05:54,492 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:05:54,492 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 61 [2021-04-29 06:05:54,493 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:07:52,421 INFO L129 PetriNetUnfolder]: 85116/156896 cut-off events. [2021-04-29 06:07:52,421 INFO L130 PetriNetUnfolder]: For 4476735/4476755 co-relation queries the response was YES. [2021-04-29 06:07:55,243 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1394980 conditions, 156896 events. 85116/156896 cut-off events. For 4476735/4476755 co-relation queries the response was YES. Maximal size of possible extension queue 11254. Compared 1843076 event pairs, 2873 based on Foata normal form. 9259/166152 useless extension candidates. Maximal degree in co-relation 1394895. Up to 69827 conditions per place. [2021-04-29 06:07:56,179 INFO L132 encePairwiseOnDemand]: 54/61 looper letters, 3327 selfloop transitions, 1437 changer transitions 109/4882 dead transitions. [2021-04-29 06:07:56,179 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 4882 transitions, 107639 flow [2021-04-29 06:07:56,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-04-29 06:07:56,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-04-29 06:07:56,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 930 transitions. [2021-04-29 06:07:56,182 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4918032786885246 [2021-04-29 06:07:56,183 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 930 transitions. [2021-04-29 06:07:56,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 930 transitions. [2021-04-29 06:07:56,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:07:56,184 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 930 transitions. [2021-04-29 06:07:56,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 30.0) internal successors, (930), 31 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:07:56,189 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 61.0) internal successors, (1952), 32 states have internal predecessors, (1952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:07:56,190 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 61.0) internal successors, (1952), 32 states have internal predecessors, (1952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:07:56,190 INFO L185 Difference]: Start difference. First operand has 207 places, 1892 transitions, 36135 flow. Second operand 31 states and 930 transitions. [2021-04-29 06:07:56,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 4882 transitions, 107639 flow Received shutdown request... [2021-04-29 06:13:15,588 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:13:15,589 WARN L545 AbstractCegarLoop]: Verification canceled [2021-04-29 06:13:15,594 WARN L224 ceAbstractionStarter]: Timeout [2021-04-29 06:13:15,595 INFO L202 PluginConnector]: Adding new model counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 06:13:15 BasicIcfg [2021-04-29 06:13:15,595 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 06:13:15,595 INFO L168 Benchmark]: Toolchain (without parser) took 807566.12 ms. Allocated memory was 302.0 MB in the beginning and 15.1 GB in the end (delta: 14.8 GB). Free memory was 270.3 MB in the beginning and 11.2 GB in the end (delta: -11.0 GB). Peak memory consumption was 8.8 GB. Max. memory is 16.0 GB. [2021-04-29 06:13:15,596 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.76 ms. Allocated memory is still 302.0 MB. Free memory was 271.5 MB in the beginning and 271.3 MB in the end (delta: 153.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 06:13:15,596 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.50 ms. Allocated memory is still 302.0 MB. Free memory was 284.6 MB in the beginning and 283.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 06:13:15,596 INFO L168 Benchmark]: Boogie Preprocessor took 23.13 ms. Allocated memory is still 302.0 MB. Free memory was 283.1 MB in the beginning and 282.2 MB in the end (delta: 909.7 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 06:13:15,596 INFO L168 Benchmark]: RCFGBuilder took 419.24 ms. Allocated memory is still 302.0 MB. Free memory was 282.1 MB in the beginning and 275.1 MB in the end (delta: 7.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2021-04-29 06:13:15,596 INFO L168 Benchmark]: TraceAbstraction took 807026.62 ms. Allocated memory was 302.0 MB in the beginning and 15.1 GB in the end (delta: 14.8 GB). Free memory was 274.7 MB in the beginning and 11.2 GB in the end (delta: -11.0 GB). Peak memory consumption was 8.8 GB. Max. memory is 16.0 GB. [2021-04-29 06:13:15,597 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 0.76 ms. Allocated memory is still 302.0 MB. Free memory was 271.5 MB in the beginning and 271.3 MB in the end (delta: 153.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 33.50 ms. Allocated memory is still 302.0 MB. Free memory was 284.6 MB in the beginning and 283.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 23.13 ms. Allocated memory is still 302.0 MB. Free memory was 283.1 MB in the beginning and 282.2 MB in the end (delta: 909.7 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 419.24 ms. Allocated memory is still 302.0 MB. Free memory was 282.1 MB in the beginning and 275.1 MB in the end (delta: 7.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 807026.62 ms. Allocated memory was 302.0 MB in the beginning and 15.1 GB in the end (delta: 14.8 GB). Free memory was 274.7 MB in the beginning and 11.2 GB in the end (delta: -11.0 GB). Peak memory consumption was 8.8 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 667.4ms, 42 PlacesBefore, 44 PlacesAfterwards, 33 TransitionsBefore, 35 TransitionsAfterwards, 288 CoEnabledTransitionPairs, 5 FixpointIterations, 14 TrivialSequentialCompositions, 8 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 22 TotalNumberOfCompositions, 120 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 120, positive: 120, positive conditional: 120, 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: 120, positive: 120, positive conditional: 0, positive unconditional: 120, 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: 120, positive: 120, positive conditional: 0, positive unconditional: 120, 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: 120, positive: 120, positive conditional: 0, positive unconditional: 120, 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: 120, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 120, unknown conditional: 120, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 120, Positive cache size: 120, Positive conditional cache size: 120, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25.4ms, 39 PlacesBefore, 30 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 372 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): 120, Positive cache size: 120, Positive conditional cache size: 120, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.4ms, 34 PlacesBefore, 32 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 354 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): 120, Positive cache size: 120, Positive conditional cache size: 120, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36.5ms, 38 PlacesBefore, 38 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 504 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): 120, Positive cache size: 120, Positive conditional cache size: 120, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 34.5ms, 45 PlacesBefore, 38 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 242 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): 120, Positive cache size: 120, Positive conditional cache size: 120, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 35.7ms, 40 PlacesBefore, 40 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 218 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): 120, Positive cache size: 120, Positive conditional cache size: 120, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.3ms, 46 PlacesBefore, 46 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 260 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): 120, Positive cache size: 120, Positive conditional cache size: 120, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 32.9ms, 49 PlacesBefore, 49 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 218 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): 120, Positive cache size: 120, Positive conditional cache size: 120, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26.4ms, 51 PlacesBefore, 51 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 190 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): 120, Positive cache size: 120, Positive conditional cache size: 120, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 42.3ms, 52 PlacesBefore, 52 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 176 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 120, Positive cache size: 120, Positive conditional cache size: 120, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 58.2ms, 54 PlacesBefore, 54 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 176 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 120, Positive cache size: 120, Positive conditional cache size: 120, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 114.5ms, 60 PlacesBefore, 60 PlacesAfterwards, 78 TransitionsBefore, 78 TransitionsAfterwards, 440 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): 120, Positive cache size: 120, Positive conditional cache size: 120, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 256.9ms, 70 PlacesBefore, 70 PlacesAfterwards, 133 TransitionsBefore, 133 TransitionsAfterwards, 784 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): 120, Positive cache size: 120, Positive conditional cache size: 120, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 334.1ms, 77 PlacesBefore, 77 PlacesAfterwards, 159 TransitionsBefore, 159 TransitionsAfterwards, 964 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): 120, Positive cache size: 120, Positive conditional cache size: 120, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1012.6ms, 92 PlacesBefore, 92 PlacesAfterwards, 419 TransitionsBefore, 419 TransitionsAfterwards, 1946 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): 120, Positive cache size: 120, Positive conditional cache size: 120, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2485.0ms, 144 PlacesBefore, 141 PlacesAfterwards, 825 TransitionsBefore, 825 TransitionsAfterwards, 3618 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): 120, Positive cache size: 120, Positive conditional cache size: 120, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6329.6ms, 159 PlacesBefore, 159 PlacesAfterwards, 1219 TransitionsBefore, 1219 TransitionsAfterwards, 5146 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): 120, Positive cache size: 120, Positive conditional cache size: 120, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11326.0ms, 167 PlacesBefore, 167 PlacesAfterwards, 1334 TransitionsBefore, 1334 TransitionsAfterwards, 6870 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): 120, Positive cache size: 120, Positive conditional cache size: 120, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 32630.7ms, 209 PlacesBefore, 207 PlacesAfterwards, 1892 TransitionsBefore, 1892 TransitionsAfterwards, 10848 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): 120, Positive cache size: 120, Positive conditional cache size: 120, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 83]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 83). Cancelled while executing RemoveRedundantFlow. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 11.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 806833.5ms, OverallIterations: 19, TraceHistogramMax: 2, EmptinessCheckTime: 0.0ms, AutomataDifference: 745355.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 764.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 41 SDtfs, 653 SDslu, 12 SDs, 0 SdLazy, 1830 SolverSat, 298 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1589.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 382 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 209 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1082 ImplicationChecksByTransitivity, 2494.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=36135occurred in iteration=18, InterpolantAutomatonStates: 160, 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: 118.5ms SsaConstructionTime, 322.6ms SatisfiabilityAnalysisTime, 2538.3ms InterpolantComputationTime, 521 NumberOfCodeBlocks, 519 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 491 ConstructedInterpolants, 0 QuantifiedInterpolants, 2739 SizeOfPredicates, 23 NumberOfNonLiveVariables, 909 ConjunctsInSsa, 87 ConjunctsInUnsatCore, 30 InterpolantComputations, 8 PerfectInterpolantSequences, 56/113 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