/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-RepeatedVariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp3x3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 08:49:09,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 08:49:09,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 08:49:09,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 08:49:09,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 08:49:09,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 08:49:09,364 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 08:49:09,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 08:49:09,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 08:49:09,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 08:49:09,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 08:49:09,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 08:49:09,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 08:49:09,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 08:49:09,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 08:49:09,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 08:49:09,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 08:49:09,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 08:49:09,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 08:49:09,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 08:49:09,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 08:49:09,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 08:49:09,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 08:49:09,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 08:49:09,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 08:49:09,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 08:49:09,410 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 08:49:09,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 08:49:09,414 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-RepeatedVariableLbe.epf [2021-03-25 08:49:09,447 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 08:49:09,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 08:49:09,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 08:49:09,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 08:49:09,451 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 08:49:09,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 08:49:09,451 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 08:49:09,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 08:49:09,451 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 08:49:09,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 08:49:09,452 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 08:49:09,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 08:49:09,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 08:49:09,453 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 08:49:09,453 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 08:49:09,453 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 08:49:09,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 08:49:09,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 08:49:09,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 08:49:09,454 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 08:49:09,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 08:49:09,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 08:49:09,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 08:49:09,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 08:49:09,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 08:49:09,455 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 08:49:09,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 08:49:09,455 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-25 08:49:09,455 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 08:49:09,455 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 08:49:09,456 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 08:49:09,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 08:49:09,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 08:49:09,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 08:49:09,752 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-25 08:49:09,753 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-25 08:49:09,754 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp3x3.wvr.bpl [2021-03-25 08:49:09,754 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp3x3.wvr.bpl' [2021-03-25 08:49:09,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 08:49:09,801 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-25 08:49:09,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 08:49:09,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 08:49:09,803 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 08:49:09,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 08:49:09" (1/1) ... [2021-03-25 08:49:09,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 08:49:09" (1/1) ... [2021-03-25 08:49:09,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 08:49:09,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 08:49:09,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 08:49:09,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 08:49:09,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 08:49:09" (1/1) ... [2021-03-25 08:49:09,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 08:49:09" (1/1) ... [2021-03-25 08:49:09,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 08:49:09" (1/1) ... [2021-03-25 08:49:09,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 08:49:09" (1/1) ... [2021-03-25 08:49:09,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 08:49:09" (1/1) ... [2021-03-25 08:49:09,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 08:49:09" (1/1) ... [2021-03-25 08:49:09,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 08:49:09" (1/1) ... [2021-03-25 08:49:09,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 08:49:09,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 08:49:09,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 08:49:09,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 08:49:09,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 08:49:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 08:49:09,910 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-25 08:49:09,911 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-25 08:49:09,911 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-25 08:49:09,912 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-25 08:49:09,912 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-25 08:49:09,912 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-25 08:49:09,912 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-25 08:49:09,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 08:49:09,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 08:49:09,912 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-25 08:49:09,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-25 08:49:09,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-25 08:49:09,913 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-03-25 08:49:09,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-03-25 08:49:09,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-03-25 08:49:09,914 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-03-25 08:49:09,914 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-03-25 08:49:09,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-03-25 08:49:09,916 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-03-25 08:49:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-03-25 08:49:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-03-25 08:49:09,917 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 08:49:10,104 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 08:49:10,104 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-25 08:49:10,105 INFO L202 PluginConnector]: Adding new model exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 08:49:10 BoogieIcfgContainer [2021-03-25 08:49:10,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 08:49:10,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 08:49:10,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 08:49:10,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 08:49:10,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 08:49:09" (1/2) ... [2021-03-25 08:49:10,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c95930b and model type exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 08:49:10, skipping insertion in model container [2021-03-25 08:49:10,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 08:49:10" (2/2) ... [2021-03-25 08:49:10,111 INFO L111 eAbstractionObserver]: Analyzing ICFG exp3x3.wvr.bpl [2021-03-25 08:49:10,115 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 08:49:10,118 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-25 08:49:10,118 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 08:49:10,236 INFO L149 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-03-25 08:49:10,251 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-25 08:49:10,267 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 08:49:10,267 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 08:49:10,267 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 08:49:10,268 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 08:49:10,268 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 08:49:10,268 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 08:49:10,268 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 08:49:10,268 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 08:49:10,277 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 47 transitions, 142 flow [2021-03-25 08:49:10,302 INFO L129 PetriNetUnfolder]: 6/41 cut-off events. [2021-03-25 08:49:10,303 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-25 08:49:10,306 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 41 events. 6/41 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 80 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2021-03-25 08:49:10,306 INFO L82 GeneralOperation]: Start removeDead. Operand has 60 places, 47 transitions, 142 flow [2021-03-25 08:49:10,310 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 52 places, 39 transitions, 114 flow [2021-03-25 08:49:10,311 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 08:49:10,319 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 39 transitions, 114 flow [2021-03-25 08:49:10,321 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 39 transitions, 114 flow [2021-03-25 08:49:10,322 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 39 transitions, 114 flow [2021-03-25 08:49:10,335 INFO L129 PetriNetUnfolder]: 6/39 cut-off events. [2021-03-25 08:49:10,335 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-25 08:49:10,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 39 events. 6/39 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 75 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2021-03-25 08:49:10,338 INFO L142 LiptonReduction]: Number of co-enabled transitions 720 [2021-03-25 08:49:10,574 INFO L154 LiptonReduction]: Checked pairs total: 300 [2021-03-25 08:49:10,574 INFO L156 LiptonReduction]: Total number of compositions: 13 [2021-03-25 08:49:10,578 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 268 [2021-03-25 08:49:10,602 INFO L129 PetriNetUnfolder]: 6/25 cut-off events. [2021-03-25 08:49:10,603 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-25 08:49:10,603 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 08:49:10,603 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 08:49:10,604 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 08:49:10,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 08:49:10,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1010826407, now seen corresponding path program 1 times [2021-03-25 08:49:10,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 08:49:10,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270087283] [2021-03-25 08:49:10,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 08:49:10,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:49:10,807 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-25 08:49:10,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:10,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:10,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270087283] [2021-03-25 08:49:10,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 08:49:10,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-25 08:49:10,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591955919] [2021-03-25 08:49:10,830 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 08:49:10,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 08:49:10,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 08:49:10,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 08:49:10,841 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 60 [2021-03-25 08:49:10,842 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 26 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:10,842 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 08:49:10,843 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 60 [2021-03-25 08:49:10,843 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 08:49:10,897 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([146] L44-->L44: Formula: (and (< v_x4_12 v_n_19) (= v_x4_11 (* v_x4_12 2))) InVars {n=v_n_19, x4=v_x4_12} OutVars{n=v_n_19, x4=v_x4_11} AuxVars[] AssignedVars[x4][17], [48#L44true, 64#true, 32#L72true, 35#L28true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, 40#L36true, thread3Thread1of1ForFork1InUse, 41#L20true, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3NotInUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:10,898 INFO L384 tUnfolder$Statistics]: this new event has 7 ancestors and is cut-off event [2021-03-25 08:49:10,898 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 08:49:10,898 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 08:49:10,898 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 08:49:10,912 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][23], [64#true, 35#L28true, 40#L36true, 41#L20true, 15#L73true, 48#L44true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:10,912 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-25 08:49:10,913 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:10,913 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:10,913 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:10,919 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([146] L44-->L44: Formula: (and (< v_x4_12 v_n_19) (= v_x4_11 (* v_x4_12 2))) InVars {n=v_n_19, x4=v_x4_12} OutVars{n=v_n_19, x4=v_x4_11} AuxVars[] AssignedVars[x4][17], [64#true, 32#L72true, 48#L44true, 18#thread1EXITtrue, 35#L28true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, 40#L36true, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3NotInUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:10,919 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-25 08:49:10,919 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:10,919 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:10,919 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:10,919 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][23], [64#true, 35#L28true, 40#L36true, 15#L73true, 48#L44true, 18#thread1EXITtrue, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:10,920 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,920 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,920 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,920 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,925 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([142] L44-->thread4EXIT: Formula: (not (< v_x4_7 v_n_13)) InVars {n=v_n_13, x4=v_x4_7} OutVars{n=v_n_13, x4=v_x4_7} AuxVars[] AssignedVars[][18], [32#L72true, 64#true, 35#L28true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, 40#L36true, thread3Thread1of1ForFork1InUse, 41#L20true, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3NotInUse, 44#thread4EXITtrue, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:10,925 INFO L384 tUnfolder$Statistics]: this new event has 7 ancestors and is not cut-off event [2021-03-25 08:49:10,925 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is not cut-off event [2021-03-25 08:49:10,925 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is not cut-off event [2021-03-25 08:49:10,925 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is not cut-off event [2021-03-25 08:49:10,930 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][23], [64#true, 35#L28true, 40#L36true, 41#L20true, 15#L73true, 48#L44true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:10,931 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-25 08:49:10,931 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:10,931 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:10,931 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:10,931 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:10,931 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][22], [64#true, 35#L28true, 40#L36true, 41#L20true, 9#thread5EXITtrue, 15#L73true, 48#L44true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:10,932 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-25 08:49:10,932 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:10,932 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:10,932 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:10,944 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 35#L28true, 37#thread6EXITtrue, 40#L36true, 41#L20true, 48#L44true, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:10,944 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,944 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,945 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,945 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,945 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 35#L28true, 40#L36true, 41#L20true, 43#L60true, 48#L44true, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:10,945 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,945 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,945 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,946 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,946 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 35#L28true, 40#L36true, 41#L20true, 43#L60true, 48#L44true, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:10,946 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,946 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,946 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,946 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,947 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,947 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 35#L28true, 40#L36true, 43#L60true, 48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:10,947 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:10,947 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:10,947 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:10,947 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:10,950 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([142] L44-->thread4EXIT: Formula: (not (< v_x4_7 v_n_13)) InVars {n=v_n_13, x4=v_x4_7} OutVars{n=v_n_13, x4=v_x4_7} AuxVars[] AssignedVars[][18], [64#true, 32#L72true, 18#thread1EXITtrue, 35#L28true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, 40#L36true, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3NotInUse, 44#thread4EXITtrue, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:10,950 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is not cut-off event [2021-03-25 08:49:10,951 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-03-25 08:49:10,953 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-03-25 08:49:10,953 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-03-25 08:49:10,960 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][23], [64#true, 35#L28true, 40#L36true, 15#L73true, 48#L44true, 18#thread1EXITtrue, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:10,960 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,964 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,965 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,965 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,965 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,965 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][22], [64#true, 35#L28true, 40#L36true, 9#thread5EXITtrue, 15#L73true, 48#L44true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:10,965 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,966 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,966 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,966 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,966 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 35#L28true, 37#thread6EXITtrue, 40#L36true, 48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:10,966 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:10,966 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:10,966 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:10,966 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:10,967 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 35#L28true, 40#L36true, 43#L60true, 48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:10,967 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:10,967 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:10,967 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:10,967 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:10,967 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:10,970 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][22], [64#true, 35#L28true, 40#L36true, 9#thread5EXITtrue, 41#L20true, 15#L73true, 48#L44true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:10,970 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is not cut-off event [2021-03-25 08:49:10,971 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-03-25 08:49:10,971 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-03-25 08:49:10,971 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-03-25 08:49:10,971 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-03-25 08:49:10,973 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][23], [64#true, 40#L36true, 41#L20true, 10#thread2EXITtrue, 15#L73true, 48#L44true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:10,973 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,973 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,973 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,973 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,973 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][22], [64#true, 40#L36true, 41#L20true, 9#thread5EXITtrue, 10#thread2EXITtrue, 15#L73true, 48#L44true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:10,973 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,973 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,973 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,974 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,974 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 40#L36true, 41#L20true, 10#thread2EXITtrue, 43#L60true, 48#L44true, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:10,974 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:10,974 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:10,974 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:10,974 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:10,980 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 35#L28true, 37#thread6EXITtrue, 40#L36true, 41#L20true, 48#L44true, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:10,981 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,981 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,981 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,981 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,981 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,981 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 35#L28true, 40#L36true, 41#L20true, 43#L60true, 48#L44true, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:10,981 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,981 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,981 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,981 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,981 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,982 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:10,983 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][23], [64#true, 40#L36true, 10#thread2EXITtrue, 15#L73true, 48#L44true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:10,983 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:10,983 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:10,983 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:10,983 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:10,984 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 40#L36true, 10#thread2EXITtrue, 43#L60true, 48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:10,984 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:10,984 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:10,984 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:10,984 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:10,987 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][22], [64#true, 35#L28true, 40#L36true, 9#thread5EXITtrue, 15#L73true, 48#L44true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:10,987 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is not cut-off event [2021-03-25 08:49:10,987 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-03-25 08:49:10,987 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-03-25 08:49:10,987 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-03-25 08:49:10,987 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-03-25 08:49:10,988 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][22], [64#true, 40#L36true, 9#thread5EXITtrue, 10#thread2EXITtrue, 15#L73true, 48#L44true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:10,988 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:10,988 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:10,988 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:10,988 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:10,999 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 35#L28true, 37#thread6EXITtrue, 40#L36true, 48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:10,999 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,000 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,000 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,000 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,000 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,000 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 35#L28true, 40#L36true, 43#L60true, 48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:11,000 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,000 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,000 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,000 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,000 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,000 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,003 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 35#L28true, 37#thread6EXITtrue, 40#L36true, 41#L20true, 48#L44true, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:11,003 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is not cut-off event [2021-03-25 08:49:11,003 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-03-25 08:49:11,003 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-03-25 08:49:11,003 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-03-25 08:49:11,003 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-03-25 08:49:11,003 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-03-25 08:49:11,004 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 37#thread6EXITtrue, 40#L36true, 41#L20true, 10#thread2EXITtrue, 48#L44true, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:11,004 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,004 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,004 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,004 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,007 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 37#thread6EXITtrue, 40#L36true, 41#L20true, 10#thread2EXITtrue, 48#L44true, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:11,007 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,007 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,007 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,007 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,007 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,007 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 40#L36true, 41#L20true, 10#thread2EXITtrue, 43#L60true, 48#L44true, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:11,008 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,008 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,008 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,008 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,008 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,010 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 35#L28true, 37#thread6EXITtrue, 41#L20true, 48#L44true, 49#thread3EXITtrue, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:11,010 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,010 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,010 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,010 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,010 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 35#L28true, 41#L20true, 43#L60true, 48#L44true, 49#thread3EXITtrue, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:11,010 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,010 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,011 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,011 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,017 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([137] thread2EXIT-->L76: Formula: (and (= 2 v_thread2Thread1of1ForFork0_thidvar0_4) (= 2 v_thread2Thread1of1ForFork0_thidvar1_4)) InVars {thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4} OutVars{thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][32], [64#true, 48#L44true, 50#L52true, 20#L76true, thread2Thread1of1ForFork0NotInUse, thread4Thread1of1ForFork2InUse, 40#L36true, thread3Thread1of1ForFork1InUse, 43#L60true, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5NotInUse]) [2021-03-25 08:49:11,020 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,020 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,020 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,021 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,022 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 37#thread6EXITtrue, 40#L36true, 10#thread2EXITtrue, 48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:11,022 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,022 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,022 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,022 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,022 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 40#L36true, 10#thread2EXITtrue, 43#L60true, 48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:11,022 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,022 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,022 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,022 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,023 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,028 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 35#L28true, 37#thread6EXITtrue, 40#L36true, 48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:11,028 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is not cut-off event [2021-03-25 08:49:11,028 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-25 08:49:11,028 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-25 08:49:11,028 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-25 08:49:11,028 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-25 08:49:11,028 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-25 08:49:11,028 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 37#thread6EXITtrue, 40#L36true, 10#thread2EXITtrue, 48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:11,028 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,029 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,029 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,029 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,029 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,030 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 35#L28true, 37#thread6EXITtrue, 48#L44true, 49#thread3EXITtrue, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:11,030 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,030 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,030 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,030 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,030 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 35#L28true, 43#L60true, 48#L44true, 49#thread3EXITtrue, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:11,030 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,030 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,031 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,031 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,037 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 37#thread6EXITtrue, 41#L20true, 10#thread2EXITtrue, 48#L44true, 49#thread3EXITtrue, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:11,037 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,038 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,038 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,038 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,038 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 41#L20true, 10#thread2EXITtrue, 43#L60true, 48#L44true, 49#thread3EXITtrue, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:11,038 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,038 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,038 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,038 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,046 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 37#thread6EXITtrue, 10#thread2EXITtrue, 48#L44true, 17#L74true, 49#thread3EXITtrue, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:11,046 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,047 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,047 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,047 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,047 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 10#thread2EXITtrue, 43#L60true, 48#L44true, 17#L74true, 49#thread3EXITtrue, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-25 08:49:11,047 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,047 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,047 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,047 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,063 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([137] thread2EXIT-->L76: Formula: (and (= 2 v_thread2Thread1of1ForFork0_thidvar0_4) (= 2 v_thread2Thread1of1ForFork0_thidvar1_4)) InVars {thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4} OutVars{thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][32], [64#true, 48#L44true, 50#L52true, 20#L76true, thread2Thread1of1ForFork0NotInUse, thread4Thread1of1ForFork2InUse, 40#L36true, thread3Thread1of1ForFork1InUse, 43#L60true, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5NotInUse]) [2021-03-25 08:49:11,063 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-25 08:49:11,063 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 08:49:11,063 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 08:49:11,064 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 08:49:11,064 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 08:49:11,075 INFO L129 PetriNetUnfolder]: 1069/1302 cut-off events. [2021-03-25 08:49:11,076 INFO L130 PetriNetUnfolder]: For 40/40 co-relation queries the response was YES. [2021-03-25 08:49:11,082 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2618 conditions, 1302 events. 1069/1302 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 3960 event pairs, 273 based on Foata normal form. 1/609 useless extension candidates. Maximal degree in co-relation 2584. Up to 1064 conditions per place. [2021-03-25 08:49:11,094 INFO L132 encePairwiseOnDemand]: 52/60 looper letters, 19 selfloop transitions, 7 changer transitions 0/38 dead transitions. [2021-03-25 08:49:11,095 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 38 transitions, 164 flow [2021-03-25 08:49:11,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 08:49:11,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 08:49:11,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 105 transitions. [2021-03-25 08:49:11,106 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334 [2021-03-25 08:49:11,107 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 105 transitions. [2021-03-25 08:49:11,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 105 transitions. [2021-03-25 08:49:11,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 08:49:11,110 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 105 transitions. [2021-03-25 08:49:11,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:11,118 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 60.0) internal successors, (240), 4 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:11,118 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 60.0) internal successors, (240), 4 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:11,120 INFO L185 Difference]: Start difference. First operand has 39 places, 26 transitions, 88 flow. Second operand 3 states and 105 transitions. [2021-03-25 08:49:11,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 38 transitions, 164 flow [2021-03-25 08:49:11,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 38 transitions, 140 flow, removed 0 selfloop flow, removed 12 redundant places. [2021-03-25 08:49:11,133 INFO L241 Difference]: Finished difference. Result has 30 places, 32 transitions, 111 flow [2021-03-25 08:49:11,135 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=111, PETRI_PLACES=30, PETRI_TRANSITIONS=32} [2021-03-25 08:49:11,136 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, -9 predicate places. [2021-03-25 08:49:11,136 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 08:49:11,136 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 32 transitions, 111 flow [2021-03-25 08:49:11,136 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 32 transitions, 111 flow [2021-03-25 08:49:11,137 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 30 places, 32 transitions, 111 flow [2021-03-25 08:49:11,139 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([146] L44-->L44: Formula: (and (< v_x4_12 v_n_19) (= v_x4_11 (* v_x4_12 2))) InVars {n=v_n_19, x4=v_x4_12} OutVars{n=v_n_19, x4=v_x4_11} AuxVars[] AssignedVars[x4][1], [64#true, 48#L44true, 32#L72true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 40#L36true, 41#L20true]) [2021-03-25 08:49:11,139 INFO L384 tUnfolder$Statistics]: this new event has 7 ancestors and is cut-off event [2021-03-25 08:49:11,139 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 08:49:11,139 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 08:49:11,139 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 08:49:11,140 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][25], [48#L44true, 64#true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 40#L36true, 41#L20true, 15#L73true]) [2021-03-25 08:49:11,140 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-25 08:49:11,140 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:11,140 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:11,140 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:11,141 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][25], [64#true, 48#L44true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 40#L36true, 41#L20true, 15#L73true]) [2021-03-25 08:49:11,141 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-25 08:49:11,141 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:11,141 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:11,141 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:11,141 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:11,142 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][18], [64#true, 48#L44true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 40#L36true, 41#L20true, 43#L60true]) [2021-03-25 08:49:11,142 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,142 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,142 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,142 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,142 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][18], [48#L44true, 64#true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 40#L36true, 41#L20true, 43#L60true]) [2021-03-25 08:49:11,142 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,142 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,142 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,142 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,143 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,143 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][18], [48#L44true, 64#true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 40#L36true, 41#L20true, 43#L60true]) [2021-03-25 08:49:11,143 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,143 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,143 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,143 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,143 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,144 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,146 INFO L129 PetriNetUnfolder]: 41/79 cut-off events. [2021-03-25 08:49:11,146 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 08:49:11,146 INFO L84 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 79 events. 41/79 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 124 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 102. Up to 44 conditions per place. [2021-03-25 08:49:11,147 INFO L142 LiptonReduction]: Number of co-enabled transitions 330 [2021-03-25 08:49:11,150 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 08:49:11,150 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 08:49:11,150 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-03-25 08:49:11,151 INFO L480 AbstractCegarLoop]: Abstraction has has 30 places, 32 transitions, 111 flow [2021-03-25 08:49:11,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:11,152 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 08:49:11,152 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 08:49:11,152 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 08:49:11,152 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 08:49:11,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 08:49:11,153 INFO L82 PathProgramCache]: Analyzing trace with hash -100339963, now seen corresponding path program 1 times [2021-03-25 08:49:11,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 08:49:11,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623682498] [2021-03-25 08:49:11,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 08:49:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:49:11,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:11,187 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-25 08:49:11,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:11,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:11,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623682498] [2021-03-25 08:49:11,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 08:49:11,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 08:49:11,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920783817] [2021-03-25 08:49:11,197 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 08:49:11,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 08:49:11,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 08:49:11,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 08:49:11,201 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-03-25 08:49:11,201 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 32 transitions, 111 flow. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:11,201 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 08:49:11,201 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-03-25 08:49:11,201 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 08:49:11,246 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([142] L44-->thread4EXIT: Formula: (not (< v_x4_7 v_n_13)) InVars {n=v_n_13, x4=v_x4_7} OutVars{n=v_n_13, x4=v_x4_7} AuxVars[] AssignedVars[][25], [32#L72true, 64#true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, 44#thread4EXITtrue]) [2021-03-25 08:49:11,246 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-25 08:49:11,246 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 08:49:11,246 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:11,246 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 08:49:11,247 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([146] L44-->L44: Formula: (and (< v_x4_12 v_n_19) (= v_x4_11 (* v_x4_12 2))) InVars {n=v_n_19, x4=v_x4_12} OutVars{n=v_n_19, x4=v_x4_11} AuxVars[] AssignedVars[x4][30], [32#L72true, 64#true, 48#L44true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true]) [2021-03-25 08:49:11,247 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-25 08:49:11,247 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 08:49:11,247 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 08:49:11,247 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:11,265 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([142] L44-->thread4EXIT: Formula: (not (< v_x4_7 v_n_13)) InVars {n=v_n_13, x4=v_x4_7} OutVars{n=v_n_13, x4=v_x4_7} AuxVars[] AssignedVars[][25], [32#L72true, 64#true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 44#thread4EXITtrue]) [2021-03-25 08:49:11,266 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,266 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:11,266 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:11,266 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,266 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([146] L44-->L44: Formula: (and (< v_x4_12 v_n_19) (= v_x4_11 (* v_x4_12 2))) InVars {n=v_n_19, x4=v_x4_12} OutVars{n=v_n_19, x4=v_x4_11} AuxVars[] AssignedVars[x4][30], [32#L72true, 48#L44true, 64#true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true]) [2021-03-25 08:49:11,266 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,266 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,266 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:11,266 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:11,268 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][34], [48#L44true, 64#true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, 9#thread5EXITtrue, 15#L73true]) [2021-03-25 08:49:11,268 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is not cut-off event [2021-03-25 08:49:11,268 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-03-25 08:49:11,268 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-03-25 08:49:11,268 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-03-25 08:49:11,268 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][34], [48#L44true, 64#true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 9#thread5EXITtrue, 15#L73true]) [2021-03-25 08:49:11,268 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,268 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,268 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,269 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,270 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][39], [48#L44true, 64#true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, 15#L73true]) [2021-03-25 08:49:11,270 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is not cut-off event [2021-03-25 08:49:11,270 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-03-25 08:49:11,270 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-03-25 08:49:11,270 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-03-25 08:49:11,271 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][39], [48#L44true, 64#true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 15#L73true]) [2021-03-25 08:49:11,271 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,271 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,271 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,271 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,271 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 40#L36true, 41#L20true]) [2021-03-25 08:49:11,271 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,271 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,271 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,272 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,272 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, 43#L60true]) [2021-03-25 08:49:11,272 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,272 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,272 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,272 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,272 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][34], [48#L44true, 64#true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 9#thread5EXITtrue, 41#L20true, 15#L73true]) [2021-03-25 08:49:11,272 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,272 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:11,273 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,273 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:11,273 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,273 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][39], [48#L44true, 64#true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, 15#L73true]) [2021-03-25 08:49:11,273 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,273 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,273 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:11,273 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,273 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:11,287 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][45], [48#L44true, 64#true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 71#(= x1 x2), 40#L36true, 41#L20true]) [2021-03-25 08:49:11,287 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,288 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,288 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,288 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,288 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][50], [48#L44true, 64#true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 71#(= x1 x2), 40#L36true, 41#L20true, 43#L60true]) [2021-03-25 08:49:11,288 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,288 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,288 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,288 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,295 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][51], [48#L44true, 64#true, 17#L74true, 18#thread1EXITtrue, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 72#(and (<= n x1) (= x2 x1)), 40#L36true, 43#L60true]) [2021-03-25 08:49:11,295 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,295 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,295 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,295 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,298 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][34], [48#L44true, 64#true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 9#thread5EXITtrue, 41#L20true, 10#thread2EXITtrue, 15#L73true]) [2021-03-25 08:49:11,298 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,298 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,298 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,298 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,298 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][39], [48#L44true, 64#true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, 10#thread2EXITtrue, 15#L73true]) [2021-03-25 08:49:11,298 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,298 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,298 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,298 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,300 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][34], [48#L44true, 64#true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 9#thread5EXITtrue, 15#L73true]) [2021-03-25 08:49:11,300 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,301 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,301 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,301 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,301 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,301 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][43], [48#L44true, 64#true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 39#L75true, 40#L36true, 43#L60true]) [2021-03-25 08:49:11,301 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,301 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,301 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,301 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,301 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][39], [48#L44true, 64#true, 18#thread1EXITtrue, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 15#L73true]) [2021-03-25 08:49:11,302 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,302 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,302 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,302 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,302 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,302 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 40#L36true]) [2021-03-25 08:49:11,302 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,302 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,302 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,302 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,303 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 43#L60true]) [2021-03-25 08:49:11,303 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,303 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,303 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,303 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,308 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 40#L36true, 41#L20true]) [2021-03-25 08:49:11,308 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is not cut-off event [2021-03-25 08:49:11,308 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-25 08:49:11,308 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-03-25 08:49:11,308 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-25 08:49:11,308 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-25 08:49:11,309 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 40#L36true, 41#L20true, 10#thread2EXITtrue]) [2021-03-25 08:49:11,309 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,309 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,309 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,309 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,309 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 40#L36true]) [2021-03-25 08:49:11,309 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,309 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,310 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,310 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,310 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,310 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, 43#L60true]) [2021-03-25 08:49:11,310 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is not cut-off event [2021-03-25 08:49:11,310 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-25 08:49:11,310 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-25 08:49:11,311 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-25 08:49:11,311 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-03-25 08:49:11,311 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, 10#thread2EXITtrue, 43#L60true]) [2021-03-25 08:49:11,311 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,311 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,311 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,311 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,311 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 43#L60true]) [2021-03-25 08:49:11,311 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,312 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,312 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,312 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,312 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,312 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 40#L36true, 41#L20true]) [2021-03-25 08:49:11,312 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,312 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,312 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,312 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,312 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,312 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,313 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, 43#L60true]) [2021-03-25 08:49:11,313 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,313 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,313 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,313 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,313 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,313 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,316 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][51], [48#L44true, 64#true, 17#L74true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 40#L36true, 72#(and (<= n x1) (= x2 x1)), 41#L20true, 10#thread2EXITtrue, 43#L60true]) [2021-03-25 08:49:11,316 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,317 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,317 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,317 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,320 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][50], [48#L44true, 64#true, 17#L74true, 49#thread3EXITtrue, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 71#(= x1 x2), 41#L20true, 43#L60true]) [2021-03-25 08:49:11,320 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,320 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,320 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,320 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,321 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][46], [48#L44true, 64#true, 17#L74true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 72#(and (<= n x1) (= x2 x1)), 40#L36true, 41#L20true, 10#thread2EXITtrue]) [2021-03-25 08:49:11,321 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,322 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,322 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,322 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,322 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][45], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 71#(= x1 x2), 41#L20true]) [2021-03-25 08:49:11,322 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,322 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,322 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,322 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,323 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][46], [48#L44true, 64#true, 17#L74true, 18#thread1EXITtrue, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 72#(and (<= n x1) (= x2 x1)), 40#L36true]) [2021-03-25 08:49:11,323 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,323 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,323 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,323 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,327 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][51], [48#L44true, 64#true, 17#L74true, 18#thread1EXITtrue, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 40#L36true, 72#(and (<= n x1) (= x2 x1)), 10#thread2EXITtrue, 43#L60true]) [2021-03-25 08:49:11,328 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,328 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,328 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,328 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,330 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][51], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 72#(and (<= n x1) (= x2 x1)), 43#L60true]) [2021-03-25 08:49:11,330 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,330 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,330 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,330 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,331 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][43], [48#L44true, 64#true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 39#L75true, 72#(and (<= n x1) (= x2 x1)), 40#L36true, 43#L60true]) [2021-03-25 08:49:11,331 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is not cut-off event [2021-03-25 08:49:11,331 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-25 08:49:11,331 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-25 08:49:11,331 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-25 08:49:11,332 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][46], [48#L44true, 64#true, 17#L74true, 18#thread1EXITtrue, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 72#(and (<= n x1) (= x2 x1)), 40#L36true, 10#thread2EXITtrue]) [2021-03-25 08:49:11,332 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,332 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,332 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,332 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,338 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][34], [48#L44true, 64#true, 18#thread1EXITtrue, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 9#thread5EXITtrue, 10#thread2EXITtrue, 15#L73true]) [2021-03-25 08:49:11,338 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,338 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,338 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,338 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,339 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][39], [48#L44true, 64#true, 50#L52true, 18#thread1EXITtrue, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 10#thread2EXITtrue, 15#L73true]) [2021-03-25 08:49:11,339 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,339 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,339 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,339 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,341 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 18#thread1EXITtrue, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 40#L36true, 10#thread2EXITtrue]) [2021-03-25 08:49:11,341 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,341 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,341 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,341 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,343 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 18#thread1EXITtrue, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 10#thread2EXITtrue, 43#L60true]) [2021-03-25 08:49:11,343 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,343 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,343 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,343 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,343 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 37#thread6EXITtrue, 40#L36true, 41#L20true, 10#thread2EXITtrue]) [2021-03-25 08:49:11,343 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,343 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,343 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,343 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,343 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,344 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, 10#thread2EXITtrue, 43#L60true]) [2021-03-25 08:49:11,344 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,344 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,344 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,344 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,344 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,346 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][43], [48#L44true, 64#true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 39#L75true, 40#L36true, 43#L60true]) [2021-03-25 08:49:11,346 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is not cut-off event [2021-03-25 08:49:11,347 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 08:49:11,347 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 08:49:11,347 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 08:49:11,347 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-25 08:49:11,348 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][43], [48#L44true, 64#true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 39#L75true, 40#L36true, 43#L60true]) [2021-03-25 08:49:11,348 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,348 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,348 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,348 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,348 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,348 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,348 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 40#L36true]) [2021-03-25 08:49:11,348 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,349 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,349 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,349 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,349 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,349 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,349 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 43#L60true]) [2021-03-25 08:49:11,349 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,349 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,349 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,349 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,349 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,349 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,351 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 49#thread3EXITtrue, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 41#L20true]) [2021-03-25 08:49:11,351 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,351 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,351 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,351 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,352 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 49#thread3EXITtrue, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 41#L20true, 43#L60true]) [2021-03-25 08:49:11,352 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,352 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,352 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,352 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,355 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][51], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 72#(and (<= n x1) (= x2 x1)), 41#L20true, 10#thread2EXITtrue, 43#L60true]) [2021-03-25 08:49:11,355 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,355 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,355 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,355 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,358 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][46], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 72#(and (<= n x1) (= x2 x1)), 41#L20true, 10#thread2EXITtrue]) [2021-03-25 08:49:11,358 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,358 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,359 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,359 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,359 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][46], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 18#thread1EXITtrue, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 72#(and (<= n x1) (= x2 x1))]) [2021-03-25 08:49:11,359 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,359 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,359 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,359 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,363 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][51], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 50#L52true, 18#thread1EXITtrue, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 72#(and (<= n x1) (= x2 x1)), 10#thread2EXITtrue, 43#L60true]) [2021-03-25 08:49:11,363 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,363 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,363 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,364 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,366 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][43], [48#L44true, 64#true, 49#thread3EXITtrue, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 39#L75true, 72#(and (<= n x1) (= x2 x1)), 43#L60true]) [2021-03-25 08:49:11,366 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-25 08:49:11,366 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 08:49:11,366 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 08:49:11,366 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 08:49:11,366 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][46], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 18#thread1EXITtrue, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 72#(and (<= n x1) (= x2 x1)), 10#thread2EXITtrue]) [2021-03-25 08:49:11,366 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,366 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,366 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,367 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,371 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][43], [48#L44true, 64#true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 39#L75true, 40#L36true, 10#thread2EXITtrue, 43#L60true]) [2021-03-25 08:49:11,371 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-25 08:49:11,371 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 08:49:11,371 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 08:49:11,371 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 08:49:11,372 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][43], [48#L44true, 64#true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 39#L75true, 40#L36true, 10#thread2EXITtrue, 43#L60true]) [2021-03-25 08:49:11,372 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,372 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,372 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,372 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,372 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,372 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 50#L52true, 18#thread1EXITtrue, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 37#thread6EXITtrue, 40#L36true, 10#thread2EXITtrue]) [2021-03-25 08:49:11,372 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,372 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,373 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,373 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,373 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,373 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 50#L52true, 18#thread1EXITtrue, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 10#thread2EXITtrue, 43#L60true]) [2021-03-25 08:49:11,373 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,373 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,373 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,373 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,373 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,375 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 41#L20true, 10#thread2EXITtrue]) [2021-03-25 08:49:11,375 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,375 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,375 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,375 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,375 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 41#L20true, 10#thread2EXITtrue, 43#L60true]) [2021-03-25 08:49:11,375 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,375 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,375 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,375 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,379 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true]) [2021-03-25 08:49:11,379 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,379 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,379 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,379 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,379 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 43#L60true]) [2021-03-25 08:49:11,379 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,379 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,380 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,380 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,393 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 49#thread3EXITtrue, 50#L52true, 18#thread1EXITtrue, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 10#thread2EXITtrue]) [2021-03-25 08:49:11,393 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-25 08:49:11,393 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,393 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 08:49:11,393 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 08:49:11,393 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 49#thread3EXITtrue, 50#L52true, 18#thread1EXITtrue, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 10#thread2EXITtrue, 43#L60true]) [2021-03-25 08:49:11,393 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-25 08:49:11,394 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 08:49:11,394 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 08:49:11,394 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 08:49:11,415 INFO L129 PetriNetUnfolder]: 1684/2121 cut-off events. [2021-03-25 08:49:11,416 INFO L130 PetriNetUnfolder]: For 975/1414 co-relation queries the response was YES. [2021-03-25 08:49:11,420 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5206 conditions, 2121 events. 1684/2121 cut-off events. For 975/1414 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 7756 event pairs, 315 based on Foata normal form. 99/2089 useless extension candidates. Maximal degree in co-relation 5039. Up to 964 conditions per place. [2021-03-25 08:49:11,433 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 40 selfloop transitions, 7 changer transitions 0/59 dead transitions. [2021-03-25 08:49:11,433 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 59 transitions, 293 flow [2021-03-25 08:49:11,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 08:49:11,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 08:49:11,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 159 transitions. [2021-03-25 08:49:11,458 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6625 [2021-03-25 08:49:11,458 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 159 transitions. [2021-03-25 08:49:11,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 159 transitions. [2021-03-25 08:49:11,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 08:49:11,459 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 159 transitions. [2021-03-25 08:49:11,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:11,461 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 60.0) internal successors, (300), 5 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:11,461 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 60.0) internal successors, (300), 5 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:11,461 INFO L185 Difference]: Start difference. First operand has 30 places, 32 transitions, 111 flow. Second operand 4 states and 159 transitions. [2021-03-25 08:49:11,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 59 transitions, 293 flow [2021-03-25 08:49:11,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 59 transitions, 282 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 08:49:11,463 INFO L241 Difference]: Finished difference. Result has 34 places, 36 transitions, 151 flow [2021-03-25 08:49:11,464 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=151, PETRI_PLACES=34, PETRI_TRANSITIONS=36} [2021-03-25 08:49:11,464 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, -5 predicate places. [2021-03-25 08:49:11,464 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 08:49:11,464 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 36 transitions, 151 flow [2021-03-25 08:49:11,464 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 36 transitions, 151 flow [2021-03-25 08:49:11,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 36 transitions, 151 flow [2021-03-25 08:49:11,467 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([146] L44-->L44: Formula: (and (< v_x4_12 v_n_19) (= v_x4_11 (* v_x4_12 2))) InVars {n=v_n_19, x4=v_x4_12} OutVars{n=v_n_19, x4=v_x4_11} AuxVars[] AssignedVars[x4][3], [48#L44true, 32#L72true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1))]) [2021-03-25 08:49:11,467 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-25 08:49:11,467 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:11,469 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 08:49:11,469 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 08:49:11,470 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][29], [48#L44true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 15#L73true]) [2021-03-25 08:49:11,470 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-25 08:49:11,470 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:11,470 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,470 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,471 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][29], [48#L44true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 15#L73true]) [2021-03-25 08:49:11,471 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,471 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:11,471 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 08:49:11,471 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,471 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,471 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][22], [48#L44true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true]) [2021-03-25 08:49:11,471 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,472 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,472 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,472 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,472 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][22], [48#L44true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true]) [2021-03-25 08:49:11,472 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,472 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,472 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,473 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,473 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,473 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][22], [48#L44true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 71#(= x1 x2), 40#L36true, 41#L20true, Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true]) [2021-03-25 08:49:11,473 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,473 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,473 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,473 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,474 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][22], [48#L44true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true]) [2021-03-25 08:49:11,474 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,474 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,474 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,474 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,474 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,474 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,474 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][28], [48#L44true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 39#L75true, 40#L36true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true]) [2021-03-25 08:49:11,474 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,474 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,474 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,474 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,475 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][28], [48#L44true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 39#L75true, 40#L36true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true]) [2021-03-25 08:49:11,475 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,475 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,475 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,475 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,475 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,475 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][28], [48#L44true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 39#L75true, 40#L36true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true]) [2021-03-25 08:49:11,476 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is not cut-off event [2021-03-25 08:49:11,476 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 08:49:11,476 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 08:49:11,476 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-25 08:49:11,476 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 08:49:11,476 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 08:49:11,478 INFO L129 PetriNetUnfolder]: 83/146 cut-off events. [2021-03-25 08:49:11,478 INFO L130 PetriNetUnfolder]: For 51/75 co-relation queries the response was YES. [2021-03-25 08:49:11,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 333 conditions, 146 events. 83/146 cut-off events. For 51/75 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 365 event pairs, 5 based on Foata normal form. 8/135 useless extension candidates. Maximal degree in co-relation 284. Up to 80 conditions per place. [2021-03-25 08:49:11,481 INFO L142 LiptonReduction]: Number of co-enabled transitions 412 [2021-03-25 08:49:11,485 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 08:49:11,485 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 08:49:11,485 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-03-25 08:49:11,486 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 36 transitions, 151 flow [2021-03-25 08:49:11,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:11,486 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 08:49:11,486 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 08:49:11,486 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 08:49:11,487 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 08:49:11,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 08:49:11,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1635724711, now seen corresponding path program 1 times [2021-03-25 08:49:11,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 08:49:11,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140045216] [2021-03-25 08:49:11,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 08:49:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:49:11,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:11,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:11,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140045216] [2021-03-25 08:49:11,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954484871] [2021-03-25 08:49:11,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 08:49:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:49:11,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2021-03-25 08:49:11,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 08:49:11,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:11,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:11,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 08:49:11,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:11,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:11,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 08:49:11,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:11,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:11,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:11,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:11,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:11,688 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 08:49:11,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:11,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:11,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:11,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 08:49:11,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-03-25 08:49:11,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055898263] [2021-03-25 08:49:11,714 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 08:49:11,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 08:49:11,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 08:49:11,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 08:49:11,715 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-03-25 08:49:11,716 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 36 transitions, 151 flow. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:11,716 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 08:49:11,716 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-03-25 08:49:11,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 08:49:11,854 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][67], [48#L44true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 40#L36true, 41#L20true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 78#(<= x4 x3)]) [2021-03-25 08:49:11,854 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,855 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,855 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,855 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,855 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][72], [48#L44true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, Black: 71#(= x1 x2), 43#L60true, Black: 72#(and (<= n x1) (= x2 x1)), 78#(<= x4 x3)]) [2021-03-25 08:49:11,855 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,855 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,855 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:11,855 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,880 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][64], [48#L44true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 39#L75true, 40#L36true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true, 78#(<= x4 x3)]) [2021-03-25 08:49:11,880 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,880 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,880 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,880 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,881 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][67], [48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 40#L36true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 78#(<= x4 x3)]) [2021-03-25 08:49:11,881 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,881 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,881 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,881 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,881 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][72], [48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true, 78#(<= x4 x3)]) [2021-03-25 08:49:11,881 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 08:49:11,881 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,881 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:11,881 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 08:49:12,054 INFO L129 PetriNetUnfolder]: 3675/4474 cut-off events. [2021-03-25 08:49:12,055 INFO L130 PetriNetUnfolder]: For 3697/4619 co-relation queries the response was YES. [2021-03-25 08:49:12,064 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13023 conditions, 4474 events. 3675/4474 cut-off events. For 3697/4619 co-relation queries the response was YES. Maximal size of possible extension queue 385. Compared 16134 event pairs, 689 based on Foata normal form. 119/4452 useless extension candidates. Maximal degree in co-relation 12912. Up to 2162 conditions per place. [2021-03-25 08:49:12,095 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 62 selfloop transitions, 8 changer transitions 0/82 dead transitions. [2021-03-25 08:49:12,095 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 82 transitions, 511 flow [2021-03-25 08:49:12,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 08:49:12,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 08:49:12,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 200 transitions. [2021-03-25 08:49:12,098 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2021-03-25 08:49:12,098 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 200 transitions. [2021-03-25 08:49:12,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 200 transitions. [2021-03-25 08:49:12,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 08:49:12,099 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 200 transitions. [2021-03-25 08:49:12,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 40.0) internal successors, (200), 5 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:12,103 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:12,103 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:12,103 INFO L185 Difference]: Start difference. First operand has 34 places, 36 transitions, 151 flow. Second operand 5 states and 200 transitions. [2021-03-25 08:49:12,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 82 transitions, 511 flow [2021-03-25 08:49:12,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 82 transitions, 500 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 08:49:12,111 INFO L241 Difference]: Finished difference. Result has 40 places, 41 transitions, 201 flow [2021-03-25 08:49:12,111 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=201, PETRI_PLACES=40, PETRI_TRANSITIONS=41} [2021-03-25 08:49:12,112 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1 predicate places. [2021-03-25 08:49:12,112 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 08:49:12,112 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 41 transitions, 201 flow [2021-03-25 08:49:12,112 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 41 transitions, 201 flow [2021-03-25 08:49:12,112 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 41 transitions, 201 flow [2021-03-25 08:49:12,122 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][27], [35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 40#L36true, 41#L20true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true, 78#(<= x4 x3), Black: 141#(and (<= (+ x4 1) n) (<= x4 x3)), 48#L44true, Black: 79#(<= (+ x4 1) n), 17#L74true, 50#L52true]) [2021-03-25 08:49:12,122 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 08:49:12,123 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 08:49:12,123 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:12,123 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 08:49:12,138 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([138] thread3EXIT-->L77: Formula: (and (= 3 v_thread3Thread1of1ForFork1_thidvar2_4) (= 3 v_thread3Thread1of1ForFork1_thidvar0_4) (= 3 v_thread3Thread1of1ForFork1_thidvar1_4)) InVars {thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][22], [48#L44true, Black: 78#(<= x4 x3), Black: 79#(<= (+ x4 1) n), 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true, 141#(and (<= (+ x4 1) n) (<= x4 x3)), 46#L77true]) [2021-03-25 08:49:12,138 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is not cut-off event [2021-03-25 08:49:12,138 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-25 08:49:12,138 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-25 08:49:12,139 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-25 08:49:12,139 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([138] thread3EXIT-->L77: Formula: (and (= 3 v_thread3Thread1of1ForFork1_thidvar2_4) (= 3 v_thread3Thread1of1ForFork1_thidvar0_4) (= 3 v_thread3Thread1of1ForFork1_thidvar1_4)) InVars {thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][22], [Black: 78#(<= x4 x3), Black: 79#(<= (+ x4 1) n), 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true, 44#thread4EXITtrue, 76#true, 46#L77true, Black: 141#(and (<= (+ x4 1) n) (<= x4 x3))]) [2021-03-25 08:49:12,139 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is not cut-off event [2021-03-25 08:49:12,139 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-25 08:49:12,139 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-25 08:49:12,139 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-25 08:49:12,143 INFO L129 PetriNetUnfolder]: 349/526 cut-off events. [2021-03-25 08:49:12,143 INFO L130 PetriNetUnfolder]: For 503/665 co-relation queries the response was YES. [2021-03-25 08:49:12,145 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1395 conditions, 526 events. 349/526 cut-off events. For 503/665 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1815 event pairs, 52 based on Foata normal form. 28/473 useless extension candidates. Maximal degree in co-relation 1287. Up to 363 conditions per place. [2021-03-25 08:49:12,152 INFO L142 LiptonReduction]: Number of co-enabled transitions 530 [2021-03-25 08:49:12,156 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 08:49:12,156 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 08:49:12,157 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 45 [2021-03-25 08:49:12,159 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 41 transitions, 201 flow [2021-03-25 08:49:12,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:12,159 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 08:49:12,159 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 08:49:12,376 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-03-25 08:49:12,376 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 08:49:12,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 08:49:12,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1474309732, now seen corresponding path program 1 times [2021-03-25 08:49:12,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 08:49:12,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383823969] [2021-03-25 08:49:12,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 08:49:12,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:49:12,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:12,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:12,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:12,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383823969] [2021-03-25 08:49:12,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305927913] [2021-03-25 08:49:12,404 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 [2021-03-25 08:49:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:49:12,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2021-03-25 08:49:12,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 08:49:12,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:12,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:12,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 08:49:12,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:12,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:12,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 08:49:12,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:12,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:12,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:12,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:12,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:12,524 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 08:49:12,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:12,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:12,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:12,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 08:49:12,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-03-25 08:49:12,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087929942] [2021-03-25 08:49:12,553 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 08:49:12,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 08:49:12,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 08:49:12,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 08:49:12,554 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-03-25 08:49:12,554 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 41 transitions, 201 flow. Second operand has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:12,554 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 08:49:12,554 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-03-25 08:49:12,554 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 08:49:12,989 INFO L129 PetriNetUnfolder]: 4563/5556 cut-off events. [2021-03-25 08:49:12,989 INFO L130 PetriNetUnfolder]: For 8094/9014 co-relation queries the response was YES. [2021-03-25 08:49:13,001 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18723 conditions, 5556 events. 4563/5556 cut-off events. For 8094/9014 co-relation queries the response was YES. Maximal size of possible extension queue 463. Compared 21376 event pairs, 1616 based on Foata normal form. 191/5591 useless extension candidates. Maximal degree in co-relation 18580. Up to 2787 conditions per place. [2021-03-25 08:49:13,044 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 67 selfloop transitions, 8 changer transitions 0/87 dead transitions. [2021-03-25 08:49:13,044 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 87 transitions, 598 flow [2021-03-25 08:49:13,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 08:49:13,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 08:49:13,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 199 transitions. [2021-03-25 08:49:13,045 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6633333333333333 [2021-03-25 08:49:13,045 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 199 transitions. [2021-03-25 08:49:13,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 199 transitions. [2021-03-25 08:49:13,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 08:49:13,046 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 199 transitions. [2021-03-25 08:49:13,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 39.8) internal successors, (199), 5 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:13,048 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:13,048 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:13,048 INFO L185 Difference]: Start difference. First operand has 40 places, 41 transitions, 201 flow. Second operand 5 states and 199 transitions. [2021-03-25 08:49:13,048 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 87 transitions, 598 flow [2021-03-25 08:49:13,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 87 transitions, 598 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 08:49:13,062 INFO L241 Difference]: Finished difference. Result has 46 places, 44 transitions, 251 flow [2021-03-25 08:49:13,062 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=201, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=251, PETRI_PLACES=46, PETRI_TRANSITIONS=44} [2021-03-25 08:49:13,062 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 7 predicate places. [2021-03-25 08:49:13,062 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 08:49:13,062 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 44 transitions, 251 flow [2021-03-25 08:49:13,063 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 44 transitions, 251 flow [2021-03-25 08:49:13,063 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 44 transitions, 251 flow [2021-03-25 08:49:13,098 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([138] thread3EXIT-->L77: Formula: (and (= 3 v_thread3Thread1of1ForFork1_thidvar2_4) (= 3 v_thread3Thread1of1ForFork1_thidvar0_4) (= 3 v_thread3Thread1of1ForFork1_thidvar1_4)) InVars {thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][23], [Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true, 76#true, 44#thread4EXITtrue, 46#L77true, Black: 141#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 78#(<= x4 x3), Black: 79#(<= (+ x4 1) n), 146#true, 50#L52true, Black: 212#(and (<= (+ x2 1) n) (<= x2 x1)), Black: 149#(<= (+ x2 1) n)]) [2021-03-25 08:49:13,098 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is not cut-off event [2021-03-25 08:49:13,098 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-25 08:49:13,098 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-25 08:49:13,098 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-25 08:49:13,101 INFO L129 PetriNetUnfolder]: 396/595 cut-off events. [2021-03-25 08:49:13,101 INFO L130 PetriNetUnfolder]: For 920/1074 co-relation queries the response was YES. [2021-03-25 08:49:13,104 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1801 conditions, 595 events. 396/595 cut-off events. For 920/1074 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2085 event pairs, 47 based on Foata normal form. 16/534 useless extension candidates. Maximal degree in co-relation 1688. Up to 408 conditions per place. [2021-03-25 08:49:13,112 INFO L142 LiptonReduction]: Number of co-enabled transitions 602 [2021-03-25 08:49:13,115 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 08:49:13,115 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 08:49:13,116 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 54 [2021-03-25 08:49:13,116 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 44 transitions, 251 flow [2021-03-25 08:49:13,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:13,116 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 08:49:13,116 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 08:49:13,339 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 08:49:13,339 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 08:49:13,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 08:49:13,339 INFO L82 PathProgramCache]: Analyzing trace with hash 740815145, now seen corresponding path program 1 times [2021-03-25 08:49:13,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 08:49:13,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213590227] [2021-03-25 08:49:13,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 08:49:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:49:13,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:13,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:13,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:13,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:13,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:13,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:13,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:13,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213590227] [2021-03-25 08:49:13,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 08:49:13,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 08:49:13,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730499817] [2021-03-25 08:49:13,383 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 08:49:13,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 08:49:13,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 08:49:13,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 08:49:13,384 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-03-25 08:49:13,384 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 44 transitions, 251 flow. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:13,384 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 08:49:13,384 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-03-25 08:49:13,384 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 08:49:13,816 INFO L129 PetriNetUnfolder]: 4495/5494 cut-off events. [2021-03-25 08:49:13,816 INFO L130 PetriNetUnfolder]: For 13186/14181 co-relation queries the response was YES. [2021-03-25 08:49:13,829 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19993 conditions, 5494 events. 4495/5494 cut-off events. For 13186/14181 co-relation queries the response was YES. Maximal size of possible extension queue 463. Compared 21122 event pairs, 300 based on Foata normal form. 90/5417 useless extension candidates. Maximal degree in co-relation 19826. Up to 2705 conditions per place. [2021-03-25 08:49:13,869 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 81 selfloop transitions, 10 changer transitions 0/103 dead transitions. [2021-03-25 08:49:13,869 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 103 transitions, 823 flow [2021-03-25 08:49:13,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 08:49:13,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 08:49:13,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 199 transitions. [2021-03-25 08:49:13,870 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6633333333333333 [2021-03-25 08:49:13,870 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 199 transitions. [2021-03-25 08:49:13,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 199 transitions. [2021-03-25 08:49:13,871 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 08:49:13,871 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 199 transitions. [2021-03-25 08:49:13,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 39.8) internal successors, (199), 5 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:13,872 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:13,873 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:13,873 INFO L185 Difference]: Start difference. First operand has 46 places, 44 transitions, 251 flow. Second operand 5 states and 199 transitions. [2021-03-25 08:49:13,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 103 transitions, 823 flow [2021-03-25 08:49:13,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 103 transitions, 794 flow, removed 8 selfloop flow, removed 1 redundant places. [2021-03-25 08:49:13,889 INFO L241 Difference]: Finished difference. Result has 50 places, 49 transitions, 305 flow [2021-03-25 08:49:13,889 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=305, PETRI_PLACES=50, PETRI_TRANSITIONS=49} [2021-03-25 08:49:13,889 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 11 predicate places. [2021-03-25 08:49:13,890 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 08:49:13,890 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 49 transitions, 305 flow [2021-03-25 08:49:13,890 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 49 transitions, 305 flow [2021-03-25 08:49:13,890 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 49 transitions, 305 flow [2021-03-25 08:49:13,925 INFO L129 PetriNetUnfolder]: 371/569 cut-off events. [2021-03-25 08:49:13,925 INFO L130 PetriNetUnfolder]: For 866/1041 co-relation queries the response was YES. [2021-03-25 08:49:13,928 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1775 conditions, 569 events. 371/569 cut-off events. For 866/1041 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 2031 event pairs, 32 based on Foata normal form. 14/526 useless extension candidates. Maximal degree in co-relation 1654. Up to 391 conditions per place. [2021-03-25 08:49:13,936 INFO L142 LiptonReduction]: Number of co-enabled transitions 768 [2021-03-25 08:49:13,942 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 08:49:13,943 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 08:49:13,943 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 54 [2021-03-25 08:49:13,943 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 49 transitions, 305 flow [2021-03-25 08:49:13,943 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:13,943 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 08:49:13,943 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 08:49:13,944 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 08:49:13,944 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 08:49:13,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 08:49:13,944 INFO L82 PathProgramCache]: Analyzing trace with hash -956742056, now seen corresponding path program 1 times [2021-03-25 08:49:13,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 08:49:13,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704140014] [2021-03-25 08:49:13,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 08:49:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:49:13,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:13,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:13,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:13,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:13,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:13,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:13,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:13,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704140014] [2021-03-25 08:49:13,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 08:49:13,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 08:49:13,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529613242] [2021-03-25 08:49:13,989 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 08:49:13,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 08:49:13,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 08:49:13,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 08:49:13,990 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-03-25 08:49:13,990 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 49 transitions, 305 flow. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:13,990 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 08:49:13,990 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-03-25 08:49:13,990 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 08:49:14,494 INFO L129 PetriNetUnfolder]: 5581/6863 cut-off events. [2021-03-25 08:49:14,494 INFO L130 PetriNetUnfolder]: For 19466/20399 co-relation queries the response was YES. [2021-03-25 08:49:14,507 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27050 conditions, 6863 events. 5581/6863 cut-off events. For 19466/20399 co-relation queries the response was YES. Maximal size of possible extension queue 564. Compared 25574 event pairs, 109 based on Foata normal form. 125/6818 useless extension candidates. Maximal degree in co-relation 26920. Up to 3392 conditions per place. [2021-03-25 08:49:14,549 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 115 selfloop transitions, 10 changer transitions 0/137 dead transitions. [2021-03-25 08:49:14,550 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 137 transitions, 1193 flow [2021-03-25 08:49:14,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 08:49:14,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 08:49:14,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 199 transitions. [2021-03-25 08:49:14,551 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6633333333333333 [2021-03-25 08:49:14,551 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 199 transitions. [2021-03-25 08:49:14,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 199 transitions. [2021-03-25 08:49:14,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 08:49:14,551 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 199 transitions. [2021-03-25 08:49:14,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 39.8) internal successors, (199), 5 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:14,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:14,553 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:14,553 INFO L185 Difference]: Start difference. First operand has 50 places, 49 transitions, 305 flow. Second operand 5 states and 199 transitions. [2021-03-25 08:49:14,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 137 transitions, 1193 flow [2021-03-25 08:49:14,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 137 transitions, 1142 flow, removed 16 selfloop flow, removed 1 redundant places. [2021-03-25 08:49:14,567 INFO L241 Difference]: Finished difference. Result has 55 places, 56 transitions, 355 flow [2021-03-25 08:49:14,567 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=355, PETRI_PLACES=55, PETRI_TRANSITIONS=56} [2021-03-25 08:49:14,567 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 16 predicate places. [2021-03-25 08:49:14,567 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 08:49:14,568 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 56 transitions, 355 flow [2021-03-25 08:49:14,568 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 56 transitions, 355 flow [2021-03-25 08:49:14,568 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 56 transitions, 355 flow [2021-03-25 08:49:14,618 INFO L129 PetriNetUnfolder]: 552/891 cut-off events. [2021-03-25 08:49:14,619 INFO L130 PetriNetUnfolder]: For 1507/1781 co-relation queries the response was YES. [2021-03-25 08:49:14,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3083 conditions, 891 events. 552/891 cut-off events. For 1507/1781 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 3969 event pairs, 65 based on Foata normal form. 30/803 useless extension candidates. Maximal degree in co-relation 2890. Up to 579 conditions per place. [2021-03-25 08:49:14,636 INFO L142 LiptonReduction]: Number of co-enabled transitions 1070 [2021-03-25 08:49:14,641 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 08:49:14,641 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 08:49:14,641 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 74 [2021-03-25 08:49:14,641 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 56 transitions, 355 flow [2021-03-25 08:49:14,642 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:14,642 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 08:49:14,642 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 08:49:14,642 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 08:49:14,642 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 08:49:14,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 08:49:14,642 INFO L82 PathProgramCache]: Analyzing trace with hash 500486519, now seen corresponding path program 1 times [2021-03-25 08:49:14,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 08:49:14,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177392840] [2021-03-25 08:49:14,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 08:49:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:49:14,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:14,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:14,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:14,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:14,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:14,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:14,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:14,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177392840] [2021-03-25 08:49:14,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 08:49:14,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 08:49:14,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244208069] [2021-03-25 08:49:14,660 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 08:49:14,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 08:49:14,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 08:49:14,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 08:49:14,661 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-03-25 08:49:14,661 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 56 transitions, 355 flow. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:14,662 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 08:49:14,662 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-03-25 08:49:14,662 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 08:49:15,123 INFO L129 PetriNetUnfolder]: 5467/6749 cut-off events. [2021-03-25 08:49:15,123 INFO L130 PetriNetUnfolder]: For 21282/22507 co-relation queries the response was YES. [2021-03-25 08:49:15,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30019 conditions, 6749 events. 5467/6749 cut-off events. For 21282/22507 co-relation queries the response was YES. Maximal size of possible extension queue 522. Compared 25164 event pairs, 109 based on Foata normal form. 137/6716 useless extension candidates. Maximal degree in co-relation 29880. Up to 3272 conditions per place. [2021-03-25 08:49:15,187 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 115 selfloop transitions, 8 changer transitions 0/135 dead transitions. [2021-03-25 08:49:15,187 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 135 transitions, 1175 flow [2021-03-25 08:49:15,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 08:49:15,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 08:49:15,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 198 transitions. [2021-03-25 08:49:15,188 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.66 [2021-03-25 08:49:15,188 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 198 transitions. [2021-03-25 08:49:15,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 198 transitions. [2021-03-25 08:49:15,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 08:49:15,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 198 transitions. [2021-03-25 08:49:15,189 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) [2021-03-25 08:49:15,190 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:15,190 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:15,190 INFO L185 Difference]: Start difference. First operand has 55 places, 56 transitions, 355 flow. Second operand 5 states and 198 transitions. [2021-03-25 08:49:15,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 135 transitions, 1175 flow [2021-03-25 08:49:15,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 135 transitions, 1175 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 08:49:15,207 INFO L241 Difference]: Finished difference. Result has 60 places, 55 transitions, 369 flow [2021-03-25 08:49:15,208 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=341, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=369, PETRI_PLACES=60, PETRI_TRANSITIONS=55} [2021-03-25 08:49:15,208 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 21 predicate places. [2021-03-25 08:49:15,208 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 08:49:15,208 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 55 transitions, 369 flow [2021-03-25 08:49:15,209 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 55 transitions, 369 flow [2021-03-25 08:49:15,209 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 55 transitions, 369 flow [2021-03-25 08:49:15,248 INFO L129 PetriNetUnfolder]: 425/715 cut-off events. [2021-03-25 08:49:15,248 INFO L130 PetriNetUnfolder]: For 1288/1463 co-relation queries the response was YES. [2021-03-25 08:49:15,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2463 conditions, 715 events. 425/715 cut-off events. For 1288/1463 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3117 event pairs, 44 based on Foata normal form. 26/648 useless extension candidates. Maximal degree in co-relation 2276. Up to 446 conditions per place. [2021-03-25 08:49:15,262 INFO L142 LiptonReduction]: Number of co-enabled transitions 1070 [2021-03-25 08:49:15,267 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 08:49:15,267 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 08:49:15,267 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 59 [2021-03-25 08:49:15,269 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 55 transitions, 369 flow [2021-03-25 08:49:15,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:15,269 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 08:49:15,269 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 08:49:15,269 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 08:49:15,270 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 08:49:15,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 08:49:15,270 INFO L82 PathProgramCache]: Analyzing trace with hash -663879822, now seen corresponding path program 2 times [2021-03-25 08:49:15,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 08:49:15,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415342459] [2021-03-25 08:49:15,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 08:49:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:49:15,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:15,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:15,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:15,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415342459] [2021-03-25 08:49:15,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135694714] [2021-03-25 08:49:15,302 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 08:49:15,350 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 08:49:15,350 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 08:49:15,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2021-03-25 08:49:15,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 08:49:15,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:15,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:15,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 08:49:15,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:15,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:15,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 08:49:15,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:15,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:15,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:15,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:15,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:15,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:15,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:15,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:15,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:15,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:15,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:15,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:15,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:15,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:15,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:15,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:15,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:15,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:15,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:15,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:15,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:15,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:15,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:15,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:15,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:15,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:15,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:15,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:15,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:15,418 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 08:49:15,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:15,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:15,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:15,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:15,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:15,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:15,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:15,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:15,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:15,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 08:49:15,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-03-25 08:49:15,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653429600] [2021-03-25 08:49:15,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 08:49:15,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 08:49:15,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 08:49:15,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 08:49:15,423 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-03-25 08:49:15,424 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 55 transitions, 369 flow. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:15,424 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 08:49:15,424 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-03-25 08:49:15,424 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 08:49:15,937 INFO L129 PetriNetUnfolder]: 5221/6549 cut-off events. [2021-03-25 08:49:15,938 INFO L130 PetriNetUnfolder]: For 23415/24554 co-relation queries the response was YES. [2021-03-25 08:49:15,957 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30422 conditions, 6549 events. 5221/6549 cut-off events. For 23415/24554 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 25875 event pairs, 897 based on Foata normal form. 249/6624 useless extension candidates. Maximal degree in co-relation 30240. Up to 3272 conditions per place. [2021-03-25 08:49:16,007 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 112 selfloop transitions, 8 changer transitions 0/132 dead transitions. [2021-03-25 08:49:16,007 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 132 transitions, 1166 flow [2021-03-25 08:49:16,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 08:49:16,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 08:49:16,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 199 transitions. [2021-03-25 08:49:16,009 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6633333333333333 [2021-03-25 08:49:16,009 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 199 transitions. [2021-03-25 08:49:16,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 199 transitions. [2021-03-25 08:49:16,009 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 08:49:16,009 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 199 transitions. [2021-03-25 08:49:16,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 39.8) internal successors, (199), 5 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:16,010 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:16,010 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:16,010 INFO L185 Difference]: Start difference. First operand has 60 places, 55 transitions, 369 flow. Second operand 5 states and 199 transitions. [2021-03-25 08:49:16,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 132 transitions, 1166 flow [2021-03-25 08:49:16,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 132 transitions, 1159 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 08:49:16,031 INFO L241 Difference]: Finished difference. Result has 65 places, 58 transitions, 412 flow [2021-03-25 08:49:16,031 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=362, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=412, PETRI_PLACES=65, PETRI_TRANSITIONS=58} [2021-03-25 08:49:16,032 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 26 predicate places. [2021-03-25 08:49:16,032 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 08:49:16,032 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 58 transitions, 412 flow [2021-03-25 08:49:16,032 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 58 transitions, 412 flow [2021-03-25 08:49:16,033 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 58 transitions, 412 flow [2021-03-25 08:49:16,091 INFO L129 PetriNetUnfolder]: 544/907 cut-off events. [2021-03-25 08:49:16,091 INFO L130 PetriNetUnfolder]: For 1947/2194 co-relation queries the response was YES. [2021-03-25 08:49:16,098 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3366 conditions, 907 events. 544/907 cut-off events. For 1947/2194 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 4182 event pairs, 75 based on Foata normal form. 24/820 useless extension candidates. Maximal degree in co-relation 3155. Up to 577 conditions per place. [2021-03-25 08:49:16,114 INFO L142 LiptonReduction]: Number of co-enabled transitions 1186 [2021-03-25 08:49:16,120 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 08:49:16,120 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 08:49:16,120 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 88 [2021-03-25 08:49:16,121 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 58 transitions, 412 flow [2021-03-25 08:49:16,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:16,122 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 08:49:16,122 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 08:49:16,344 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 08:49:16,344 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 08:49:16,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 08:49:16,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1999294593, now seen corresponding path program 2 times [2021-03-25 08:49:16,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 08:49:16,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848382485] [2021-03-25 08:49:16,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 08:49:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:49:16,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:16,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:16,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:16,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:16,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:16,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:16,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:16,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848382485] [2021-03-25 08:49:16,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 08:49:16,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 08:49:16,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881146876] [2021-03-25 08:49:16,372 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 08:49:16,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 08:49:16,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 08:49:16,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 08:49:16,373 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-03-25 08:49:16,373 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 58 transitions, 412 flow. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:16,373 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 08:49:16,373 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-03-25 08:49:16,373 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 08:49:16,979 INFO L129 PetriNetUnfolder]: 6313/7875 cut-off events. [2021-03-25 08:49:16,979 INFO L130 PetriNetUnfolder]: For 25768/26908 co-relation queries the response was YES. [2021-03-25 08:49:17,000 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39155 conditions, 7875 events. 6313/7875 cut-off events. For 25768/26908 co-relation queries the response was YES. Maximal size of possible extension queue 532. Compared 30984 event pairs, 797 based on Foata normal form. 250/7957 useless extension candidates. Maximal degree in co-relation 38976. Up to 4363 conditions per place. [2021-03-25 08:49:17,058 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 115 selfloop transitions, 8 changer transitions 0/135 dead transitions. [2021-03-25 08:49:17,058 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 135 transitions, 1224 flow [2021-03-25 08:49:17,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 08:49:17,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 08:49:17,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 199 transitions. [2021-03-25 08:49:17,060 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6633333333333333 [2021-03-25 08:49:17,060 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 199 transitions. [2021-03-25 08:49:17,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 199 transitions. [2021-03-25 08:49:17,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 08:49:17,060 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 199 transitions. [2021-03-25 08:49:17,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 39.8) internal successors, (199), 5 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:17,061 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:17,061 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:17,061 INFO L185 Difference]: Start difference. First operand has 65 places, 58 transitions, 412 flow. Second operand 5 states and 199 transitions. [2021-03-25 08:49:17,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 135 transitions, 1224 flow [2021-03-25 08:49:17,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 135 transitions, 1215 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-25 08:49:17,124 INFO L241 Difference]: Finished difference. Result has 70 places, 61 transitions, 460 flow [2021-03-25 08:49:17,124 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=403, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=460, PETRI_PLACES=70, PETRI_TRANSITIONS=61} [2021-03-25 08:49:17,124 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 31 predicate places. [2021-03-25 08:49:17,124 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 08:49:17,125 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 61 transitions, 460 flow [2021-03-25 08:49:17,125 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 61 transitions, 460 flow [2021-03-25 08:49:17,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 61 transitions, 460 flow [2021-03-25 08:49:17,190 INFO L129 PetriNetUnfolder]: 672/1076 cut-off events. [2021-03-25 08:49:17,190 INFO L130 PetriNetUnfolder]: For 2801/3131 co-relation queries the response was YES. [2021-03-25 08:49:17,198 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4357 conditions, 1076 events. 672/1076 cut-off events. For 2801/3131 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4804 event pairs, 97 based on Foata normal form. 22/974 useless extension candidates. Maximal degree in co-relation 4149. Up to 722 conditions per place. [2021-03-25 08:49:17,212 INFO L142 LiptonReduction]: Number of co-enabled transitions 1302 [2021-03-25 08:49:17,218 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 08:49:17,218 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 08:49:17,219 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 95 [2021-03-25 08:49:17,219 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 61 transitions, 460 flow [2021-03-25 08:49:17,219 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:17,219 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 08:49:17,219 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 08:49:17,219 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 08:49:17,219 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 08:49:17,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 08:49:17,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1627534553, now seen corresponding path program 2 times [2021-03-25 08:49:17,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 08:49:17,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212264947] [2021-03-25 08:49:17,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 08:49:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:49:17,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:17,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:17,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:17,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:17,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:17,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:17,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:17,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212264947] [2021-03-25 08:49:17,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 08:49:17,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 08:49:17,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487268227] [2021-03-25 08:49:17,252 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 08:49:17,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 08:49:17,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 08:49:17,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 08:49:17,252 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-03-25 08:49:17,253 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 61 transitions, 460 flow. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:17,253 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 08:49:17,253 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-03-25 08:49:17,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 08:49:17,706 INFO L129 PetriNetUnfolder]: 5321/6704 cut-off events. [2021-03-25 08:49:17,707 INFO L130 PetriNetUnfolder]: For 32263/33493 co-relation queries the response was YES. [2021-03-25 08:49:17,729 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34455 conditions, 6704 events. 5321/6704 cut-off events. For 32263/33493 co-relation queries the response was YES. Maximal size of possible extension queue 443. Compared 27997 event pairs, 151 based on Foata normal form. 149/6683 useless extension candidates. Maximal degree in co-relation 34220. Up to 3368 conditions per place. [2021-03-25 08:49:17,786 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 127 selfloop transitions, 9 changer transitions 0/148 dead transitions. [2021-03-25 08:49:17,786 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 148 transitions, 1502 flow [2021-03-25 08:49:17,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 08:49:17,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 08:49:17,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 198 transitions. [2021-03-25 08:49:17,787 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.66 [2021-03-25 08:49:17,788 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 198 transitions. [2021-03-25 08:49:17,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 198 transitions. [2021-03-25 08:49:17,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 08:49:17,788 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 198 transitions. [2021-03-25 08:49:17,788 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) [2021-03-25 08:49:17,789 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:17,789 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:17,789 INFO L185 Difference]: Start difference. First operand has 70 places, 61 transitions, 460 flow. Second operand 5 states and 198 transitions. [2021-03-25 08:49:17,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 148 transitions, 1502 flow [2021-03-25 08:49:17,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 148 transitions, 1441 flow, removed 24 selfloop flow, removed 1 redundant places. [2021-03-25 08:49:17,846 INFO L241 Difference]: Finished difference. Result has 74 places, 60 transitions, 458 flow [2021-03-25 08:49:17,846 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=425, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=458, PETRI_PLACES=74, PETRI_TRANSITIONS=60} [2021-03-25 08:49:17,847 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 35 predicate places. [2021-03-25 08:49:17,847 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 08:49:17,847 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 60 transitions, 458 flow [2021-03-25 08:49:17,847 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 60 transitions, 458 flow [2021-03-25 08:49:17,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 60 transitions, 458 flow [2021-03-25 08:49:17,904 INFO L129 PetriNetUnfolder]: 508/844 cut-off events. [2021-03-25 08:49:17,905 INFO L130 PetriNetUnfolder]: For 2047/2254 co-relation queries the response was YES. [2021-03-25 08:49:17,912 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3339 conditions, 844 events. 508/844 cut-off events. For 2047/2254 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 3795 event pairs, 81 based on Foata normal form. 20/779 useless extension candidates. Maximal degree in co-relation 3145. Up to 534 conditions per place. [2021-03-25 08:49:17,922 INFO L142 LiptonReduction]: Number of co-enabled transitions 1306 [2021-03-25 08:49:17,929 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 08:49:17,929 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 08:49:17,929 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 82 [2021-03-25 08:49:17,930 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 60 transitions, 458 flow [2021-03-25 08:49:17,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:17,931 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 08:49:17,931 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 08:49:17,931 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 08:49:17,931 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 08:49:17,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 08:49:17,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1940362611, now seen corresponding path program 2 times [2021-03-25 08:49:17,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 08:49:17,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487653205] [2021-03-25 08:49:17,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 08:49:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:49:17,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:17,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:17,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:17,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:17,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:17,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:17,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:17,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487653205] [2021-03-25 08:49:17,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259837633] [2021-03-25 08:49:17,957 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 [2021-03-25 08:49:18,005 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 08:49:18,006 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 08:49:18,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2021-03-25 08:49:18,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 08:49:18,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:18,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:18,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 08:49:18,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:18,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:18,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 08:49:18,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:18,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:18,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:18,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:18,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:18,047 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 08:49:18,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:18,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:18,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:18,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:18,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:18,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:18,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:18,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:18,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:18,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:18,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:18,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:18,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:18,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:18,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:18,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:18,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:18,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:18,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:18,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:18,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:18,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:18,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:18,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:18,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 08:49:18,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-03-25 08:49:18,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132858000] [2021-03-25 08:49:18,057 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 08:49:18,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 08:49:18,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 08:49:18,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 08:49:18,058 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-03-25 08:49:18,058 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 60 transitions, 458 flow. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:18,058 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 08:49:18,059 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-03-25 08:49:18,059 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 08:49:18,596 INFO L129 PetriNetUnfolder]: 6433/7992 cut-off events. [2021-03-25 08:49:18,596 INFO L130 PetriNetUnfolder]: For 36199/37678 co-relation queries the response was YES. [2021-03-25 08:49:18,627 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41909 conditions, 7992 events. 6433/7992 cut-off events. For 36199/37678 co-relation queries the response was YES. Maximal size of possible extension queue 513. Compared 31731 event pairs, 1471 based on Foata normal form. 252/8087 useless extension candidates. Maximal degree in co-relation 41736. Up to 4421 conditions per place. [2021-03-25 08:49:18,672 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 126 selfloop transitions, 8 changer transitions 0/146 dead transitions. [2021-03-25 08:49:18,672 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 146 transitions, 1437 flow [2021-03-25 08:49:18,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 08:49:18,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 08:49:18,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 199 transitions. [2021-03-25 08:49:18,674 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6633333333333333 [2021-03-25 08:49:18,674 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 199 transitions. [2021-03-25 08:49:18,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 199 transitions. [2021-03-25 08:49:18,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 08:49:18,674 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 199 transitions. [2021-03-25 08:49:18,675 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 39.8) internal successors, (199), 5 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:18,675 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:18,676 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:18,676 INFO L185 Difference]: Start difference. First operand has 74 places, 60 transitions, 458 flow. Second operand 5 states and 199 transitions. [2021-03-25 08:49:18,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 146 transitions, 1437 flow [2021-03-25 08:49:18,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 146 transitions, 1428 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-25 08:49:18,724 INFO L241 Difference]: Finished difference. Result has 79 places, 63 transitions, 499 flow [2021-03-25 08:49:18,724 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=449, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=499, PETRI_PLACES=79, PETRI_TRANSITIONS=63} [2021-03-25 08:49:18,724 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 40 predicate places. [2021-03-25 08:49:18,724 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 08:49:18,724 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 63 transitions, 499 flow [2021-03-25 08:49:18,725 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 63 transitions, 499 flow [2021-03-25 08:49:18,725 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 63 transitions, 499 flow [2021-03-25 08:49:18,802 INFO L129 PetriNetUnfolder]: 883/1328 cut-off events. [2021-03-25 08:49:18,802 INFO L130 PetriNetUnfolder]: For 3874/4224 co-relation queries the response was YES. [2021-03-25 08:49:18,808 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5680 conditions, 1328 events. 883/1328 cut-off events. For 3874/4224 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 5761 event pairs, 142 based on Foata normal form. 27/1243 useless extension candidates. Maximal degree in co-relation 5463. Up to 959 conditions per place. [2021-03-25 08:49:18,819 INFO L142 LiptonReduction]: Number of co-enabled transitions 1436 [2021-03-25 08:49:18,825 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 08:49:18,825 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 08:49:18,826 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 102 [2021-03-25 08:49:18,826 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 63 transitions, 499 flow [2021-03-25 08:49:18,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:18,826 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 08:49:18,826 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 08:49:19,039 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 08:49:19,040 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 08:49:19,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 08:49:19,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1535541411, now seen corresponding path program 2 times [2021-03-25 08:49:19,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 08:49:19,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144731486] [2021-03-25 08:49:19,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 08:49:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:49:19,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:19,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:19,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:19,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144731486] [2021-03-25 08:49:19,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463790349] [2021-03-25 08:49:19,060 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 08:49:19,101 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 08:49:19,101 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 08:49:19,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2021-03-25 08:49:19,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 08:49:19,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:19,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:19,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:19,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:19,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:19,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:19,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:19,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:19,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:19,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:19,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:19,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:19,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:19,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:19,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:19,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:19,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:19,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:19,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:19,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:19,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:19,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:19,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:19,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:19,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:19,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:19,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:19,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:19,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:19,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:19,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 08:49:19,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:19,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:19,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 08:49:19,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:19,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:19,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:19,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:19,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:19,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:19,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:19,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:19,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:19,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:19,148 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 08:49:19,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:19,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:19,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:19,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 08:49:19,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-03-25 08:49:19,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797053106] [2021-03-25 08:49:19,169 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 08:49:19,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 08:49:19,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 08:49:19,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 08:49:19,170 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-03-25 08:49:19,170 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 63 transitions, 499 flow. Second operand has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:19,170 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 08:49:19,170 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-03-25 08:49:19,170 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 08:49:19,767 INFO L129 PetriNetUnfolder]: 7777/9633 cut-off events. [2021-03-25 08:49:19,767 INFO L130 PetriNetUnfolder]: For 48872/50159 co-relation queries the response was YES. [2021-03-25 08:49:19,795 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52889 conditions, 9633 events. 7777/9633 cut-off events. For 48872/50159 co-relation queries the response was YES. Maximal size of possible extension queue 597. Compared 39090 event pairs, 2558 based on Foata normal form. 328/9807 useless extension candidates. Maximal degree in co-relation 52704. Up to 5333 conditions per place. [2021-03-25 08:49:19,845 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 146 selfloop transitions, 8 changer transitions 0/166 dead transitions. [2021-03-25 08:49:19,845 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 166 transitions, 1711 flow [2021-03-25 08:49:19,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 08:49:19,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 08:49:19,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 199 transitions. [2021-03-25 08:49:19,847 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6633333333333333 [2021-03-25 08:49:19,847 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 199 transitions. [2021-03-25 08:49:19,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 199 transitions. [2021-03-25 08:49:19,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 08:49:19,847 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 199 transitions. [2021-03-25 08:49:19,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 39.8) internal successors, (199), 5 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:19,848 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:19,848 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:19,848 INFO L185 Difference]: Start difference. First operand has 79 places, 63 transitions, 499 flow. Second operand 5 states and 199 transitions. [2021-03-25 08:49:19,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 166 transitions, 1711 flow [2021-03-25 08:49:19,942 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 166 transitions, 1633 flow, removed 28 selfloop flow, removed 2 redundant places. [2021-03-25 08:49:19,944 INFO L241 Difference]: Finished difference. Result has 83 places, 66 transitions, 529 flow [2021-03-25 08:49:19,944 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=475, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=529, PETRI_PLACES=83, PETRI_TRANSITIONS=66} [2021-03-25 08:49:19,945 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 44 predicate places. [2021-03-25 08:49:19,945 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 08:49:19,945 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 66 transitions, 529 flow [2021-03-25 08:49:19,945 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 66 transitions, 529 flow [2021-03-25 08:49:19,945 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 66 transitions, 529 flow [2021-03-25 08:49:20,030 INFO L129 PetriNetUnfolder]: 902/1391 cut-off events. [2021-03-25 08:49:20,030 INFO L130 PetriNetUnfolder]: For 4197/4450 co-relation queries the response was YES. [2021-03-25 08:49:20,036 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6085 conditions, 1391 events. 902/1391 cut-off events. For 4197/4450 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 6413 event pairs, 152 based on Foata normal form. 1/1286 useless extension candidates. Maximal degree in co-relation 5861. Up to 976 conditions per place. [2021-03-25 08:49:20,050 INFO L142 LiptonReduction]: Number of co-enabled transitions 1588 [2021-03-25 08:49:20,056 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 08:49:20,056 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 08:49:20,056 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 111 [2021-03-25 08:49:20,057 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 66 transitions, 529 flow [2021-03-25 08:49:20,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:20,057 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 08:49:20,057 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 08:49:20,273 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-03-25 08:49:20,273 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 08:49:20,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 08:49:20,273 INFO L82 PathProgramCache]: Analyzing trace with hash 510995144, now seen corresponding path program 1 times [2021-03-25 08:49:20,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 08:49:20,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147022049] [2021-03-25 08:49:20,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 08:49:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:49:20,309 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-03-25 08:49:20,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:20,320 INFO L142 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size [2021-03-25 08:49:20,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:20,340 INFO L142 QuantifierPusher]: treesize reduction 19, result has 44.1 percent of original size [2021-03-25 08:49:20,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 08:49:20,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:20,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147022049] [2021-03-25 08:49:20,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443419320] [2021-03-25 08:49:20,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 08:49:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:49:20,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-25 08:49:20,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 08:49:20,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:20,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:20,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:20,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:20,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:20,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:20,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:20,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:20,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 08:49:20,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 08:49:20,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 08:49:20,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 08:49:20,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:20,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:20,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:20,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:20,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:20,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:20,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:20,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:20,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:20,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:20,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:20,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:20,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:20,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:20,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:20,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:20,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:20,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:20,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:20,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:20,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:20,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:20,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:20,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:20,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,452 INFO L147 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result has 100.0 percent of original size 26 [2021-03-25 08:49:20,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:20,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:20,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:20,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 08:49:20,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 3] total 3 [2021-03-25 08:49:20,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765279309] [2021-03-25 08:49:20,489 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 08:49:20,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 08:49:20,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 08:49:20,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 08:49:20,490 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 60 [2021-03-25 08:49:20,490 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 66 transitions, 529 flow. Second operand has 5 states, 5 states have (on average 29.2) internal successors, (146), 5 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:20,490 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 08:49:20,490 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 60 [2021-03-25 08:49:20,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 08:49:21,235 INFO L129 PetriNetUnfolder]: 8417/10535 cut-off events. [2021-03-25 08:49:21,235 INFO L130 PetriNetUnfolder]: For 55899/58249 co-relation queries the response was YES. [2021-03-25 08:49:21,264 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58915 conditions, 10535 events. 8417/10535 cut-off events. For 55899/58249 co-relation queries the response was YES. Maximal size of possible extension queue 683. Compared 44630 event pairs, 1595 based on Foata normal form. 36/10374 useless extension candidates. Maximal degree in co-relation 58624. Up to 9544 conditions per place. [2021-03-25 08:49:21,314 INFO L132 encePairwiseOnDemand]: 52/60 looper letters, 81 selfloop transitions, 21 changer transitions 0/114 dead transitions. [2021-03-25 08:49:21,314 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 114 transitions, 1121 flow [2021-03-25 08:49:21,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 08:49:21,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 08:49:21,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 182 transitions. [2021-03-25 08:49:21,315 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6066666666666667 [2021-03-25 08:49:21,315 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 182 transitions. [2021-03-25 08:49:21,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 182 transitions. [2021-03-25 08:49:21,315 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 08:49:21,316 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 182 transitions. [2021-03-25 08:49:21,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 36.4) internal successors, (182), 5 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:21,317 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:21,317 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:21,317 INFO L185 Difference]: Start difference. First operand has 83 places, 66 transitions, 529 flow. Second operand 5 states and 182 transitions. [2021-03-25 08:49:21,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 114 transitions, 1121 flow [2021-03-25 08:49:21,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 114 transitions, 1104 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-03-25 08:49:21,367 INFO L241 Difference]: Finished difference. Result has 88 places, 80 transitions, 745 flow [2021-03-25 08:49:21,367 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=512, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=745, PETRI_PLACES=88, PETRI_TRANSITIONS=80} [2021-03-25 08:49:21,367 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 49 predicate places. [2021-03-25 08:49:21,368 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 08:49:21,368 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 80 transitions, 745 flow [2021-03-25 08:49:21,368 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 80 transitions, 745 flow [2021-03-25 08:49:21,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 80 transitions, 745 flow [2021-03-25 08:49:21,531 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([139] thread4EXIT-->L78: Formula: (and (= 4 v_thread4Thread1of1ForFork2_thidvar3_4) (= 4 v_thread4Thread1of1ForFork2_thidvar0_4) (= 4 v_thread4Thread1of1ForFork2_thidvar1_4) (= 4 v_thread4Thread1of1ForFork2_thidvar2_4)) InVars {thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} OutVars{thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} AuxVars[] AssignedVars[][62], [322#(<= n x3), Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), Black: 319#true, 327#true, Black: 71#(= x1 x2), Black: 392#(and (<= (+ x3 1) n) (<= x3 x4)), Black: 72#(and (<= n x1) (= x2 x1)), Black: 330#(<= (+ x3 1) n), 76#true, 396#true, Black: 141#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 462#(and (<= (+ x1 1) n) (<= x1 x2)), Black: 399#(<= (+ x1 1) n), Black: 79#(<= (+ x4 1) n), 146#true, 466#true, Black: 212#(and (<= (+ x2 1) n) (<= x2 x1)), Black: 500#(and (= x6 x5) (= x4 x3) (<= x1 (* 2 (div x2 2))) (<= (* 2 (div x2 2)) x1) (= (mod x2 2) 0)), Black: 149#(<= (+ x2 1) n), Black: 469#(and (<= (* 2 x2) x1) (= x6 x5) (= x4 x3) (<= x1 (* 2 x2))), 26#L78true, 219#(<= n x4), Black: 218#(<= x3 x4), 224#true, Black: 226#(<= x6 x5), Black: 229#(and (<= x6 x5) (<= n x5)), 233#true, 43#L60true, 241#true, 50#L52true, Black: 306#(and (<= (+ x6 1) n) (<= x6 x5)), Black: 244#(<= (+ x6 1) n), 313#(<= (+ x5 1) n), Black: 315#(and (<= x5 x6) (<= (+ x5 1) n))]) [2021-03-25 08:49:21,531 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is not cut-off event [2021-03-25 08:49:21,531 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2021-03-25 08:49:21,531 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2021-03-25 08:49:21,531 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2021-03-25 08:49:21,535 INFO L129 PetriNetUnfolder]: 1089/1663 cut-off events. [2021-03-25 08:49:21,535 INFO L130 PetriNetUnfolder]: For 6638/7213 co-relation queries the response was YES. [2021-03-25 08:49:21,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7584 conditions, 1663 events. 1089/1663 cut-off events. For 6638/7213 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 7738 event pairs, 162 based on Foata normal form. 1/1536 useless extension candidates. Maximal degree in co-relation 7300. Up to 1186 conditions per place. [2021-03-25 08:49:21,585 INFO L142 LiptonReduction]: Number of co-enabled transitions 1916 [2021-03-25 08:49:21,594 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 08:49:21,594 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 08:49:21,594 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 226 [2021-03-25 08:49:21,594 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 80 transitions, 745 flow [2021-03-25 08:49:21,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 5 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:21,595 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 08:49:21,595 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 08:49:21,815 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 08:49:21,816 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 08:49:21,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 08:49:21,817 INFO L82 PathProgramCache]: Analyzing trace with hash 242192200, now seen corresponding path program 1 times [2021-03-25 08:49:21,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 08:49:21,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586191083] [2021-03-25 08:49:21,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 08:49:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:49:21,859 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-25 08:49:21,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:21,876 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-25 08:49:21,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:21,884 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-03-25 08:49:21,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 08:49:21,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:21,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586191083] [2021-03-25 08:49:21,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632921490] [2021-03-25 08:49:21,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 08:49:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:49:21,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-25 08:49:21,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 08:49:21,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:21,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:21,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:21,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:21,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:21,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:21,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:21,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:21,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:21,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:21,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:21,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:21,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:21,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:21,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:21,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:21,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:21,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:21,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:21,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:21,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:21,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:21,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:21,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:21,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:21,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:21,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:21,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:21,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:21,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:21,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:21,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:21,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:21,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:21,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:21,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:21,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:21,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:21,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:21,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:21,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:21,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:21,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:21,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:21,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:21,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:21,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:21,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:21,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:21,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:21,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:21,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:21,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:21,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:21,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:21,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:21,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:21,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:21,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:21,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:21,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:22,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:22,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:22,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:22,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:22,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:22,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:22,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:22,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:22,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:22,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:22,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:22,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:22,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:22,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:22,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:22,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:22,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:22,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:22,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:22,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:22,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:22,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:22,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:22,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:22,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:22,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:22,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:22,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:22,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:22,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:22,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:22,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:22,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:22,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:22,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:22,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:22,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:22,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:22,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:22,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:22,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:22,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:22,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:22,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:22,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:22,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:22,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:22,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:22,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:22,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 08:49:22,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 3] total 3 [2021-03-25 08:49:22,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283099081] [2021-03-25 08:49:22,031 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 08:49:22,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 08:49:22,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 08:49:22,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 08:49:22,032 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 60 [2021-03-25 08:49:22,032 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 80 transitions, 745 flow. Second operand has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:22,032 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 08:49:22,032 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 60 [2021-03-25 08:49:22,032 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 08:49:22,828 INFO L129 PetriNetUnfolder]: 9057/11303 cut-off events. [2021-03-25 08:49:22,828 INFO L130 PetriNetUnfolder]: For 69103/74442 co-relation queries the response was YES. [2021-03-25 08:49:22,857 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65257 conditions, 11303 events. 9057/11303 cut-off events. For 69103/74442 co-relation queries the response was YES. Maximal size of possible extension queue 711. Compared 48003 event pairs, 2435 based on Foata normal form. 38/11125 useless extension candidates. Maximal degree in co-relation 64984. Up to 10345 conditions per place. [2021-03-25 08:49:22,900 INFO L132 encePairwiseOnDemand]: 52/60 looper letters, 95 selfloop transitions, 21 changer transitions 0/128 dead transitions. [2021-03-25 08:49:22,900 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 128 transitions, 1385 flow [2021-03-25 08:49:22,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 08:49:22,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 08:49:22,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 182 transitions. [2021-03-25 08:49:22,901 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6066666666666667 [2021-03-25 08:49:22,901 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 182 transitions. [2021-03-25 08:49:22,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 182 transitions. [2021-03-25 08:49:22,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 08:49:22,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 182 transitions. [2021-03-25 08:49:22,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 36.4) internal successors, (182), 5 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:22,903 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:22,903 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:22,903 INFO L185 Difference]: Start difference. First operand has 88 places, 80 transitions, 745 flow. Second operand 5 states and 182 transitions. [2021-03-25 08:49:22,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 128 transitions, 1385 flow [2021-03-25 08:49:22,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 128 transitions, 1350 flow, removed 14 selfloop flow, removed 1 redundant places. [2021-03-25 08:49:22,958 INFO L241 Difference]: Finished difference. Result has 93 places, 94 transitions, 939 flow [2021-03-25 08:49:22,958 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=710, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=939, PETRI_PLACES=93, PETRI_TRANSITIONS=94} [2021-03-25 08:49:22,958 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 54 predicate places. [2021-03-25 08:49:22,958 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 08:49:22,958 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 94 transitions, 939 flow [2021-03-25 08:49:22,958 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 94 transitions, 939 flow [2021-03-25 08:49:22,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 94 transitions, 939 flow [2021-03-25 08:49:23,137 INFO L129 PetriNetUnfolder]: 1092/1664 cut-off events. [2021-03-25 08:49:23,137 INFO L130 PetriNetUnfolder]: For 7361/7930 co-relation queries the response was YES. [2021-03-25 08:49:23,147 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8070 conditions, 1664 events. 1092/1664 cut-off events. For 7361/7930 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 7731 event pairs, 99 based on Foata normal form. 6/1572 useless extension candidates. Maximal degree in co-relation 7785. Up to 1171 conditions per place. [2021-03-25 08:49:23,164 INFO L142 LiptonReduction]: Number of co-enabled transitions 2200 [2021-03-25 08:49:23,173 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 08:49:23,173 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 08:49:23,173 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 215 [2021-03-25 08:49:23,174 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 94 transitions, 939 flow [2021-03-25 08:49:23,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:23,174 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 08:49:23,174 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 08:49:23,374 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-03-25 08:49:23,375 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 08:49:23,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 08:49:23,375 INFO L82 PathProgramCache]: Analyzing trace with hash 684819198, now seen corresponding path program 2 times [2021-03-25 08:49:23,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 08:49:23,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645032936] [2021-03-25 08:49:23,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 08:49:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:49:23,399 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-25 08:49:23,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,410 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-25 08:49:23,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:23,433 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-03-25 08:49:23,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 08:49:23,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:23,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645032936] [2021-03-25 08:49:23,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617165800] [2021-03-25 08:49:23,436 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 08:49:23,489 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 08:49:23,490 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 08:49:23,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-25 08:49:23,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 08:49:23,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:23,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:23,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:23,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:23,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:23,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:23,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:23,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:23,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:23,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:23,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:23,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:23,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:23,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:23,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:23,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:23,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:23,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:23,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:23,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:23,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:23,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:23,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:23,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:23,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 08:49:23,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 3] total 3 [2021-03-25 08:49:23,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477691649] [2021-03-25 08:49:23,616 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 08:49:23,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 08:49:23,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 08:49:23,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 08:49:23,619 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 60 [2021-03-25 08:49:23,619 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 94 transitions, 939 flow. Second operand has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:23,619 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 08:49:23,619 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 60 [2021-03-25 08:49:23,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 08:49:24,523 INFO L129 PetriNetUnfolder]: 9697/12108 cut-off events. [2021-03-25 08:49:24,523 INFO L130 PetriNetUnfolder]: For 76569/80071 co-relation queries the response was YES. [2021-03-25 08:49:24,627 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72406 conditions, 12108 events. 9697/12108 cut-off events. For 76569/80071 co-relation queries the response was YES. Maximal size of possible extension queue 775. Compared 51229 event pairs, 2603 based on Foata normal form. 26/11936 useless extension candidates. Maximal degree in co-relation 72112. Up to 11146 conditions per place. [2021-03-25 08:49:24,674 INFO L132 encePairwiseOnDemand]: 52/60 looper letters, 109 selfloop transitions, 21 changer transitions 0/142 dead transitions. [2021-03-25 08:49:24,674 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 142 transitions, 1632 flow [2021-03-25 08:49:24,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 08:49:24,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 08:49:24,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 182 transitions. [2021-03-25 08:49:24,675 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6066666666666667 [2021-03-25 08:49:24,675 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 182 transitions. [2021-03-25 08:49:24,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 182 transitions. [2021-03-25 08:49:24,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 08:49:24,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 182 transitions. [2021-03-25 08:49:24,676 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 36.4) internal successors, (182), 5 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:24,677 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:24,677 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:24,677 INFO L185 Difference]: Start difference. First operand has 93 places, 94 transitions, 939 flow. Second operand 5 states and 182 transitions. [2021-03-25 08:49:24,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 142 transitions, 1632 flow [2021-03-25 08:49:24,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 142 transitions, 1589 flow, removed 18 selfloop flow, removed 1 redundant places. [2021-03-25 08:49:24,743 INFO L241 Difference]: Finished difference. Result has 98 places, 108 transitions, 1145 flow [2021-03-25 08:49:24,744 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=896, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1145, PETRI_PLACES=98, PETRI_TRANSITIONS=108} [2021-03-25 08:49:24,744 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 59 predicate places. [2021-03-25 08:49:24,744 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 08:49:24,744 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 108 transitions, 1145 flow [2021-03-25 08:49:24,744 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 108 transitions, 1145 flow [2021-03-25 08:49:24,745 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 98 places, 108 transitions, 1145 flow [2021-03-25 08:49:24,827 INFO L129 PetriNetUnfolder]: 1083/1678 cut-off events. [2021-03-25 08:49:24,827 INFO L130 PetriNetUnfolder]: For 7767/8202 co-relation queries the response was YES. [2021-03-25 08:49:24,836 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8448 conditions, 1678 events. 1083/1678 cut-off events. For 7767/8202 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 8207 event pairs, 105 based on Foata normal form. 2/1591 useless extension candidates. Maximal degree in co-relation 8132. Up to 1144 conditions per place. [2021-03-25 08:49:24,851 INFO L142 LiptonReduction]: Number of co-enabled transitions 2472 [2021-03-25 08:49:24,867 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 08:49:24,867 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 08:49:24,867 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 123 [2021-03-25 08:49:24,867 INFO L480 AbstractCegarLoop]: Abstraction has has 98 places, 108 transitions, 1145 flow [2021-03-25 08:49:24,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:24,867 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 08:49:24,868 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 08:49:25,089 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-03-25 08:49:25,089 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 08:49:25,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 08:49:25,090 INFO L82 PathProgramCache]: Analyzing trace with hash -2082166833, now seen corresponding path program 1 times [2021-03-25 08:49:25,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 08:49:25,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677343056] [2021-03-25 08:49:25,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 08:49:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:49:25,103 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-25 08:49:25,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,109 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-25 08:49:25,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:25,118 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-03-25 08:49:25,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 08:49:25,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:25,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677343056] [2021-03-25 08:49:25,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48791617] [2021-03-25 08:49:25,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 08:49:25,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:49:25,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-25 08:49:25,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 08:49:25,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:25,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:25,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:25,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:25,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:25,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:25,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:25,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:25,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:25,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:25,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:25,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:25,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:25,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:25,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:25,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:25,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 08:49:25,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 3] total 3 [2021-03-25 08:49:25,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832136042] [2021-03-25 08:49:25,227 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 08:49:25,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 08:49:25,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 08:49:25,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 08:49:25,228 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 60 [2021-03-25 08:49:25,228 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 108 transitions, 1145 flow. Second operand has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:25,228 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 08:49:25,228 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 60 [2021-03-25 08:49:25,228 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 08:49:26,346 INFO L129 PetriNetUnfolder]: 10337/12942 cut-off events. [2021-03-25 08:49:26,346 INFO L130 PetriNetUnfolder]: For 86969/90937 co-relation queries the response was YES. [2021-03-25 08:49:26,379 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78914 conditions, 12942 events. 10337/12942 cut-off events. For 86969/90937 co-relation queries the response was YES. Maximal size of possible extension queue 851. Compared 56016 event pairs, 2699 based on Foata normal form. 51/12782 useless extension candidates. Maximal degree in co-relation 78568. Up to 11947 conditions per place. [2021-03-25 08:49:26,428 INFO L132 encePairwiseOnDemand]: 52/60 looper letters, 123 selfloop transitions, 21 changer transitions 0/156 dead transitions. [2021-03-25 08:49:26,428 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 156 transitions, 1834 flow [2021-03-25 08:49:26,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 08:49:26,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 08:49:26,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 182 transitions. [2021-03-25 08:49:26,429 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6066666666666667 [2021-03-25 08:49:26,429 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 182 transitions. [2021-03-25 08:49:26,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 182 transitions. [2021-03-25 08:49:26,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 08:49:26,429 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 182 transitions. [2021-03-25 08:49:26,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 36.4) internal successors, (182), 5 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:26,430 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:26,430 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:26,430 INFO L185 Difference]: Start difference. First operand has 98 places, 108 transitions, 1145 flow. Second operand 5 states and 182 transitions. [2021-03-25 08:49:26,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 156 transitions, 1834 flow [2021-03-25 08:49:26,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 156 transitions, 1767 flow, removed 30 selfloop flow, removed 1 redundant places. [2021-03-25 08:49:26,528 INFO L241 Difference]: Finished difference. Result has 103 places, 122 transitions, 1303 flow [2021-03-25 08:49:26,529 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=1078, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1303, PETRI_PLACES=103, PETRI_TRANSITIONS=122} [2021-03-25 08:49:26,529 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 64 predicate places. [2021-03-25 08:49:26,529 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 08:49:26,529 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 122 transitions, 1303 flow [2021-03-25 08:49:26,529 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 122 transitions, 1303 flow [2021-03-25 08:49:26,530 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 122 transitions, 1303 flow [2021-03-25 08:49:26,616 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([139] thread4EXIT-->L78: Formula: (and (= 4 v_thread4Thread1of1ForFork2_thidvar3_4) (= 4 v_thread4Thread1of1ForFork2_thidvar0_4) (= 4 v_thread4Thread1of1ForFork2_thidvar1_4) (= 4 v_thread4Thread1of1ForFork2_thidvar2_4)) InVars {thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} OutVars{thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} AuxVars[] AssignedVars[][110], [322#(<= n x3), Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), Black: 319#true, 327#true, 9#thread5EXITtrue, Black: 392#(and (<= (+ x3 1) n) (<= x3 x4)), Black: 71#(= x1 x2), Black: 330#(<= (+ x3 1) n), Black: 72#(and (<= n x1) (= x2 x1)), 396#true, 76#true, Black: 141#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 462#(and (<= (+ x1 1) n) (<= x1 x2)), Black: 79#(<= (+ x4 1) n), Black: 399#(<= (+ x1 1) n), 466#true, 146#true, Black: 212#(and (<= (+ x2 1) n) (<= x2 x1)), Black: 500#(and (= x6 x5) (= x4 x3) (<= x1 (* 2 (div x2 2))) (<= (* 2 (div x2 2)) x1) (= (mod x2 2) 0)), Black: 149#(<= (+ x2 1) n), Black: 469#(and (<= (* 2 x2) x1) (= x6 x5) (= x4 x3) (<= x1 (* 2 x2))), 537#true, 26#L78true, 219#(<= n x4), Black: 583#(and (<= x5 (* 2 (div x6 2))) (= x4 x3) (= (mod x6 2) 0) (= x2 x1) (<= (* 2 (div x6 2)) x5)), Black: 218#(<= x3 x4), Black: 540#(and (= x4 x3) (= x2 x1) (<= x5 (* 2 x6)) (<= (* 2 x6) x5)), 608#true, 227#(<= n x5), Black: 611#(and (= x4 x3) (<= (* 2 x5) x6) (= x2 x1) (<= x6 (* 2 x5))), Black: 654#(and (= x4 x3) (<= x6 (* 2 (div (* x5 (- 1)) (- 2)))) (<= (* 2 (div (* x5 (- 1)) (- 2))) x6) (= x2 x1) (= (mod x5 (- 2)) 0)), 679#true, Black: 226#(<= x6 x5), Black: 229#(and (<= x6 x5) (<= n x5)), 233#true, 43#L60true, Black: 722#(and (<= (* 2 (div x4 2)) x3) (= x6 x5) (= x2 x1) (= (mod x4 2) 0) (<= x3 (* 2 (div x4 2)))), Black: 682#(and (<= (* 2 x4) x3) (<= x3 (* 2 x4)) (= x6 x5) (= x2 x1)), 241#true, Black: 306#(and (<= (+ x6 1) n) (<= x6 x5)), Black: 244#(<= (+ x6 1) n), 310#true, Black: 313#(<= (+ x5 1) n), Black: 315#(and (<= x5 x6) (<= (+ x5 1) n))]) [2021-03-25 08:49:26,616 INFO L384 tUnfolder$Statistics]: this new event has 22 ancestors and is not cut-off event [2021-03-25 08:49:26,616 INFO L387 tUnfolder$Statistics]: existing Event has 22 ancestors and is not cut-off event [2021-03-25 08:49:26,616 INFO L387 tUnfolder$Statistics]: existing Event has 22 ancestors and is not cut-off event [2021-03-25 08:49:26,616 INFO L387 tUnfolder$Statistics]: existing Event has 22 ancestors and is not cut-off event [2021-03-25 08:49:26,618 INFO L129 PetriNetUnfolder]: 1051/1647 cut-off events. [2021-03-25 08:49:26,618 INFO L130 PetriNetUnfolder]: For 10149/11008 co-relation queries the response was YES. [2021-03-25 08:49:26,627 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8691 conditions, 1647 events. 1051/1647 cut-off events. For 10149/11008 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 8064 event pairs, 109 based on Foata normal form. 7/1558 useless extension candidates. Maximal degree in co-relation 8429. Up to 1101 conditions per place. [2021-03-25 08:49:26,643 INFO L142 LiptonReduction]: Number of co-enabled transitions 2792 [2021-03-25 08:49:26,651 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 08:49:26,651 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 08:49:26,651 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 122 [2021-03-25 08:49:26,651 INFO L480 AbstractCegarLoop]: Abstraction has has 103 places, 122 transitions, 1303 flow [2021-03-25 08:49:26,652 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:26,652 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 08:49:26,652 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 08:49:26,871 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-03-25 08:49:26,872 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 08:49:26,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 08:49:26,872 INFO L82 PathProgramCache]: Analyzing trace with hash 546785441, now seen corresponding path program 2 times [2021-03-25 08:49:26,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 08:49:26,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088527925] [2021-03-25 08:49:26,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 08:49:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:49:26,905 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-25 08:49:26,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:26,911 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-25 08:49:26,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:26,920 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-03-25 08:49:26,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 08:49:26,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:26,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088527925] [2021-03-25 08:49:26,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616130593] [2021-03-25 08:49:26,923 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 [2021-03-25 08:49:26,968 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 08:49:26,968 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 08:49:26,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-25 08:49:26,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 08:49:26,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:26,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:26,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:26,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:26,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:26,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:26,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:26,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:26,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:26,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:26,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:26,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:26,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:26,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:26,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:26,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:26,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:26,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:26,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:26,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:26,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:26,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:26,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:26,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:26,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:26,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:26,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:26,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:26,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 08:49:26,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 08:49:26,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 08:49:26,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 08:49:26,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:26,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:26,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:27,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:27,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:27,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:27,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:27,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:27,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:27,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:27,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:27,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:27,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:27,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:27,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:27,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:27,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 08:49:27,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 3] total 3 [2021-03-25 08:49:27,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840811807] [2021-03-25 08:49:27,056 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 08:49:27,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 08:49:27,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 08:49:27,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 08:49:27,057 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 60 [2021-03-25 08:49:27,057 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 122 transitions, 1303 flow. Second operand has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:27,057 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 08:49:27,057 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 60 [2021-03-25 08:49:27,057 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 08:49:28,119 INFO L129 PetriNetUnfolder]: 10977/13835 cut-off events. [2021-03-25 08:49:28,119 INFO L130 PetriNetUnfolder]: For 90256/98174 co-relation queries the response was YES. [2021-03-25 08:49:28,172 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85435 conditions, 13835 events. 10977/13835 cut-off events. For 90256/98174 co-relation queries the response was YES. Maximal size of possible extension queue 910. Compared 62163 event pairs, 1249 based on Foata normal form. 49/13685 useless extension candidates. Maximal degree in co-relation 84976. Up to 12748 conditions per place. [2021-03-25 08:49:28,242 INFO L132 encePairwiseOnDemand]: 52/60 looper letters, 137 selfloop transitions, 21 changer transitions 0/170 dead transitions. [2021-03-25 08:49:28,242 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 170 transitions, 2041 flow [2021-03-25 08:49:28,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 08:49:28,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 08:49:28,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 182 transitions. [2021-03-25 08:49:28,244 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6066666666666667 [2021-03-25 08:49:28,244 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 182 transitions. [2021-03-25 08:49:28,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 182 transitions. [2021-03-25 08:49:28,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 08:49:28,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 182 transitions. [2021-03-25 08:49:28,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 36.4) internal successors, (182), 5 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:28,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:28,245 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:28,245 INFO L185 Difference]: Start difference. First operand has 103 places, 122 transitions, 1303 flow. Second operand 5 states and 182 transitions. [2021-03-25 08:49:28,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 170 transitions, 2041 flow [2021-03-25 08:49:28,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 170 transitions, 1992 flow, removed 21 selfloop flow, removed 1 redundant places. [2021-03-25 08:49:28,541 INFO L241 Difference]: Finished difference. Result has 108 places, 136 transitions, 1499 flow [2021-03-25 08:49:28,541 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=1254, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1499, PETRI_PLACES=108, PETRI_TRANSITIONS=136} [2021-03-25 08:49:28,541 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 69 predicate places. [2021-03-25 08:49:28,541 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 08:49:28,541 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 136 transitions, 1499 flow [2021-03-25 08:49:28,542 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 136 transitions, 1499 flow [2021-03-25 08:49:28,542 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 136 transitions, 1499 flow [2021-03-25 08:49:28,635 INFO L129 PetriNetUnfolder]: 1159/1756 cut-off events. [2021-03-25 08:49:28,636 INFO L130 PetriNetUnfolder]: For 11689/12806 co-relation queries the response was YES. [2021-03-25 08:49:28,646 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9739 conditions, 1756 events. 1159/1756 cut-off events. For 11689/12806 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 8319 event pairs, 116 based on Foata normal form. 5/1655 useless extension candidates. Maximal degree in co-relation 9399. Up to 1220 conditions per place. [2021-03-25 08:49:28,663 INFO L142 LiptonReduction]: Number of co-enabled transitions 3104 [2021-03-25 08:49:28,668 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 08:49:28,668 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 08:49:28,668 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 127 [2021-03-25 08:49:28,669 INFO L480 AbstractCegarLoop]: Abstraction has has 108 places, 136 transitions, 1499 flow [2021-03-25 08:49:28,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:28,669 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 08:49:28,669 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 08:49:28,870 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-03-25 08:49:28,870 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 08:49:28,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 08:49:28,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1048521362, now seen corresponding path program 2 times [2021-03-25 08:49:28,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 08:49:28,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574198996] [2021-03-25 08:49:28,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 08:49:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:49:28,896 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-03-25 08:49:28,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,905 INFO L142 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size [2021-03-25 08:49:28,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:28,915 INFO L142 QuantifierPusher]: treesize reduction 19, result has 44.1 percent of original size [2021-03-25 08:49:28,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 08:49:28,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 08:49:28,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574198996] [2021-03-25 08:49:28,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140497363] [2021-03-25 08:49:28,918 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 08:49:28,946 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 08:49:28,946 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 08:49:28,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-25 08:49:28,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 08:49:28,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:28,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 08:49:28,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 08:49:28,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 08:49:28,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 08:49:28,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:28,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:28,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:28,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:28,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:28,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:28,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:28,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:28,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:29,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:29,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:29,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:29,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:29,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:29,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:29,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:29,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:29,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:29,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:29,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:29,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:29,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:29,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:29,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:29,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:29,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:29,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:29,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:29,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:29,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:29,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:29,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:29,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:29,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:29,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:29,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:29,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:29,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:29,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:29,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:29,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:29,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:29,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:29,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:29,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:29,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:29,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:29,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:29,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:29,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:29,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:29,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:29,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:29,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:29,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:29,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:29,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:29,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:29,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:29,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:29,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:29,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:29,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:29,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:29,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:29,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:29,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:29,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 08:49:29,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 3] total 3 [2021-03-25 08:49:29,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878197574] [2021-03-25 08:49:29,020 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 08:49:29,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 08:49:29,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 08:49:29,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 08:49:29,021 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 60 [2021-03-25 08:49:29,021 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 136 transitions, 1499 flow. Second operand has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:29,021 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 08:49:29,022 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 60 [2021-03-25 08:49:29,022 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 08:49:30,130 INFO L129 PetriNetUnfolder]: 11617/14543 cut-off events. [2021-03-25 08:49:30,131 INFO L130 PetriNetUnfolder]: For 111833/122344 co-relation queries the response was YES. [2021-03-25 08:49:30,180 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92533 conditions, 14543 events. 11617/14543 cut-off events. For 111833/122344 co-relation queries the response was YES. Maximal size of possible extension queue 972. Compared 64433 event pairs, 2614 based on Foata normal form. 85/14401 useless extension candidates. Maximal degree in co-relation 92144. Up to 13549 conditions per place. [2021-03-25 08:49:30,243 INFO L132 encePairwiseOnDemand]: 52/60 looper letters, 151 selfloop transitions, 21 changer transitions 0/184 dead transitions. [2021-03-25 08:49:30,243 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 184 transitions, 2293 flow [2021-03-25 08:49:30,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 08:49:30,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 08:49:30,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 182 transitions. [2021-03-25 08:49:30,244 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6066666666666667 [2021-03-25 08:49:30,244 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 182 transitions. [2021-03-25 08:49:30,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 182 transitions. [2021-03-25 08:49:30,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 08:49:30,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 182 transitions. [2021-03-25 08:49:30,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 36.4) internal successors, (182), 5 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:30,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:30,245 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:30,245 INFO L185 Difference]: Start difference. First operand has 108 places, 136 transitions, 1499 flow. Second operand 5 states and 182 transitions. [2021-03-25 08:49:30,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 184 transitions, 2293 flow [2021-03-25 08:49:30,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 184 transitions, 2220 flow, removed 33 selfloop flow, removed 1 redundant places. [2021-03-25 08:49:30,409 INFO L241 Difference]: Finished difference. Result has 113 places, 150 transitions, 1711 flow [2021-03-25 08:49:30,409 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=1426, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1711, PETRI_PLACES=113, PETRI_TRANSITIONS=150} [2021-03-25 08:49:30,410 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 74 predicate places. [2021-03-25 08:49:30,410 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 08:49:30,410 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 150 transitions, 1711 flow [2021-03-25 08:49:30,410 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 150 transitions, 1711 flow [2021-03-25 08:49:30,411 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 150 transitions, 1711 flow [2021-03-25 08:49:30,637 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([138] thread3EXIT-->L77: Formula: (and (= 3 v_thread3Thread1of1ForFork1_thidvar2_4) (= 3 v_thread3Thread1of1ForFork1_thidvar0_4) (= 3 v_thread3Thread1of1ForFork1_thidvar1_4)) InVars {thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][57], [322#(<= n x3), Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), Black: 319#true, 327#true, Black: 392#(and (<= (+ x3 1) n) (<= x3 x4)), Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), Black: 330#(<= (+ x3 1) n), 396#true, 76#true, Black: 141#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 462#(and (<= (+ x1 1) n) (<= x1 x2)), Black: 79#(<= (+ x4 1) n), Black: 399#(<= (+ x1 1) n), 466#true, 146#true, Black: 212#(and (<= (+ x2 1) n) (<= x2 x1)), Black: 500#(and (= x6 x5) (= x4 x3) (<= x1 (* 2 (div x2 2))) (<= (* 2 (div x2 2)) x1) (= (mod x2 2) 0)), Black: 149#(<= (+ x2 1) n), Black: 469#(and (<= (* 2 x2) x1) (= x6 x5) (= x4 x3) (<= x1 (* 2 x2))), 216#true, 537#true, Black: 583#(and (<= x5 (* 2 (div x6 2))) (= x4 x3) (= (mod x6 2) 0) (= x2 x1) (<= (* 2 (div x6 2)) x5)), Black: 540#(and (= x4 x3) (= x2 x1) (<= x5 (* 2 x6)) (<= (* 2 x6) x5)), Black: 218#(<= x3 x4), 608#true, Black: 611#(and (= x4 x3) (<= (* 2 x5) x6) (= x2 x1) (<= x6 (* 2 x5))), Black: 654#(and (= x4 x3) (<= x6 (* 2 (div (* x5 (- 1)) (- 2)))) (<= (* 2 (div (* x5 (- 1)) (- 2))) x6) (= x2 x1) (= (mod x5 (- 2)) 0)), 679#true, Black: 229#(and (<= x6 x5) (<= n x5)), 235#(<= x5 x6), 43#L60true, Black: 722#(and (<= (* 2 (div x4 2)) x3) (= x6 x5) (= x2 x1) (= (mod x4 2) 0) (<= x3 (* 2 (div x4 2)))), Black: 682#(and (<= (* 2 x4) x3) (<= x3 (* 2 x4)) (= x6 x5) (= x2 x1)), 750#true, 46#L77true, 48#L44true, Black: 233#true, 50#L52true, Black: 753#(and (<= x4 (* 2 x3)) (= x6 x5) (= x2 x1) (<= (* 2 x3) x4)), Black: 790#(and (<= (* 2 (div x3 2)) x4) (<= x4 (* 2 (div x3 2))) (= x6 x5) (= (mod x3 2) 0) (= x2 x1)), Black: 306#(and (<= (+ x6 1) n) (<= x6 x5)), Black: 244#(<= (+ x6 1) n), 821#true, Black: 864#(and (= (mod x1 (- 2)) 0) (= x6 x5) (<= (* 2 (div (* x1 (- 1)) (- 2))) x2) (= x4 x3) (<= x2 (* 2 (div (* x1 (- 1)) (- 2))))), Black: 824#(and (= x6 x5) (<= (* 2 x1) x2) (= x4 x3) (<= x2 (* 2 x1))), Black: 313#(<= (+ x5 1) n), Black: 315#(and (<= x5 x6) (<= (+ x5 1) n))]) [2021-03-25 08:49:30,637 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is not cut-off event [2021-03-25 08:49:30,637 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-25 08:49:30,637 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-25 08:49:30,637 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-25 08:49:30,646 INFO L129 PetriNetUnfolder]: 1032/1615 cut-off events. [2021-03-25 08:49:30,646 INFO L130 PetriNetUnfolder]: For 12557/14061 co-relation queries the response was YES. [2021-03-25 08:49:30,659 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9444 conditions, 1615 events. 1032/1615 cut-off events. For 12557/14061 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 8016 event pairs, 79 based on Foata normal form. 5/1512 useless extension candidates. Maximal degree in co-relation 9162. Up to 1064 conditions per place. [2021-03-25 08:49:30,680 INFO L142 LiptonReduction]: Number of co-enabled transitions 3428 [2021-03-25 08:49:30,687 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 08:49:30,688 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 08:49:30,688 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 278 [2021-03-25 08:49:30,688 INFO L480 AbstractCegarLoop]: Abstraction has has 113 places, 150 transitions, 1711 flow [2021-03-25 08:49:30,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:30,688 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 08:49:30,689 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 08:49:30,911 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-03-25 08:49:30,911 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 08:49:30,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 08:49:30,911 INFO L82 PathProgramCache]: Analyzing trace with hash -926587333, now seen corresponding path program 3 times [2021-03-25 08:49:30,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 08:49:30,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644521353] [2021-03-25 08:49:30,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 08:49:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:49:30,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:30,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:30,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:30,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:30,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:30,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:30,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:30,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:30,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:30,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:30,940 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:30,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644521353] [2021-03-25 08:49:30,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529286935] [2021-03-25 08:49:30,940 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 08:49:30,974 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-25 08:49:30,975 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 08:49:30,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-25 08:49:30,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 08:49:30,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:30,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:30,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:30,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:30,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:30,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:30,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:30,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:30,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:30,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:30,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:30,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:30,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:30,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:30,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:30,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:30,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:30,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:30,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:30,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:30,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:30,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:30,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:30,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:30,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:30,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:30,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:30,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:30,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:30,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:30,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:30,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:30,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:30,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:30,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:30,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:30,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:30,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:30,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:30,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:30,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:30,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:30,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:30,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:30,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:30,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:30,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:30,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:30,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:30,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:31,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:31,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:31,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:31,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:31,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:31,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:31,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:31,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:31,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:31,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:31,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:31,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:31,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:31,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:31,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:31,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:31,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:31,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:31,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:31,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:31,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:31,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:31,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:31,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:31,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:31,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:31,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:31,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:31,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:31,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:31,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:31,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:31,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 08:49:31,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:31,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:31,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 08:49:31,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:31,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:31,045 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-03-25 08:49:31,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 08:49:31,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:31,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 08:49:31,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 08:49:31,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:31,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:31,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:31,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:31,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:31,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:31,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:31,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:31,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:31,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:31,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:31,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:31,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:31,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:31,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:31,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:31,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:31,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:31,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:31,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:31,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:31,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:31,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:31,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:31,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:31,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:31,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:31,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:31,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 08:49:31,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-03-25 08:49:31,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507436298] [2021-03-25 08:49:31,072 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 08:49:31,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 08:49:31,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 08:49:31,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-25 08:49:31,073 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-03-25 08:49:31,073 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 150 transitions, 1711 flow. Second operand has 8 states, 8 states have (on average 31.875) internal successors, (255), 8 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:31,074 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 08:49:31,074 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-03-25 08:49:31,074 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 08:49:33,848 INFO L129 PetriNetUnfolder]: 21153/27775 cut-off events. [2021-03-25 08:49:33,849 INFO L130 PetriNetUnfolder]: For 252563/264713 co-relation queries the response was YES. [2021-03-25 08:49:34,004 INFO L84 FinitePrefix]: Finished finitePrefix Result has 175445 conditions, 27775 events. 21153/27775 cut-off events. For 252563/264713 co-relation queries the response was YES. Maximal size of possible extension queue 1733. Compared 153071 event pairs, 4873 based on Foata normal form. 1087/28632 useless extension candidates. Maximal degree in co-relation 173408. Up to 13448 conditions per place. [2021-03-25 08:49:34,136 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 378 selfloop transitions, 46 changer transitions 0/436 dead transitions. [2021-03-25 08:49:34,136 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 436 transitions, 5589 flow [2021-03-25 08:49:34,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 08:49:34,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 08:49:34,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 408 transitions. [2021-03-25 08:49:34,138 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.68 [2021-03-25 08:49:34,138 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 408 transitions. [2021-03-25 08:49:34,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 408 transitions. [2021-03-25 08:49:34,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 08:49:34,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 408 transitions. [2021-03-25 08:49:34,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 40.8) internal successors, (408), 10 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:34,140 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 60.0) internal successors, (660), 11 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:34,140 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 60.0) internal successors, (660), 11 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:34,141 INFO L185 Difference]: Start difference. First operand has 113 places, 150 transitions, 1711 flow. Second operand 10 states and 408 transitions. [2021-03-25 08:49:34,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 436 transitions, 5589 flow [2021-03-25 08:49:34,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 436 transitions, 5498 flow, removed 42 selfloop flow, removed 1 redundant places. [2021-03-25 08:49:34,626 INFO L241 Difference]: Finished difference. Result has 128 places, 166 transitions, 1990 flow [2021-03-25 08:49:34,626 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=1620, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1990, PETRI_PLACES=128, PETRI_TRANSITIONS=166} [2021-03-25 08:49:34,626 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 89 predicate places. [2021-03-25 08:49:34,626 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 08:49:34,626 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 166 transitions, 1990 flow [2021-03-25 08:49:34,626 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 166 transitions, 1990 flow [2021-03-25 08:49:34,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 166 transitions, 1990 flow [2021-03-25 08:49:34,954 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([140] thread5EXIT-->L79: Formula: (and (= v_thread5Thread1of1ForFork3_thidvar0_4 5) (= v_thread5Thread1of1ForFork3_thidvar2_4 5) (= v_thread5Thread1of1ForFork3_thidvar4_4 5) (= v_thread5Thread1of1ForFork3_thidvar3_4 5) (= v_thread5Thread1of1ForFork3_thidvar1_4 5)) InVars {thread5Thread1of1ForFork3_thidvar2=v_thread5Thread1of1ForFork3_thidvar2_4, thread5Thread1of1ForFork3_thidvar1=v_thread5Thread1of1ForFork3_thidvar1_4, thread5Thread1of1ForFork3_thidvar4=v_thread5Thread1of1ForFork3_thidvar4_4, thread5Thread1of1ForFork3_thidvar3=v_thread5Thread1of1ForFork3_thidvar3_4, thread5Thread1of1ForFork3_thidvar0=v_thread5Thread1of1ForFork3_thidvar0_4} OutVars{thread5Thread1of1ForFork3_thidvar2=v_thread5Thread1of1ForFork3_thidvar2_4, thread5Thread1of1ForFork3_thidvar1=v_thread5Thread1of1ForFork3_thidvar1_4, thread5Thread1of1ForFork3_thidvar4=v_thread5Thread1of1ForFork3_thidvar4_4, thread5Thread1of1ForFork3_thidvar3=v_thread5Thread1of1ForFork3_thidvar3_4, thread5Thread1of1ForFork3_thidvar0=v_thread5Thread1of1ForFork3_thidvar0_4} AuxVars[] AssignedVars[][33], [Black: 392#(and (<= (+ x3 1) n) (<= x3 x4)), Black: 330#(<= (+ x3 1) n), 396#true, Black: 141#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 79#(<= (+ x4 1) n), 146#true, Black: 500#(and (= x6 x5) (= x4 x3) (<= x1 (* 2 (div x2 2))) (<= (* 2 (div x2 2)) x1) (= (mod x2 2) 0)), Black: 469#(and (<= (* 2 x2) x1) (= x6 x5) (= x4 x3) (<= x1 (* 2 x2))), 537#true, 28#L79true, Black: 611#(and (= x4 x3) (<= (* 2 x5) x6) (= x2 x1) (<= x6 (* 2 x5))), 37#thread6EXITtrue, Black: 654#(and (= x4 x3) (<= x6 (* 2 (div (* x5 (- 1)) (- 2)))) (<= (* 2 (div (* x5 (- 1)) (- 2))) x6) (= x2 x1) (= (mod x5 (- 2)) 0)), 679#true, Black: 753#(and (<= x4 (* 2 x3)) (= x6 x5) (= x2 x1) (<= (* 2 x3) x4)), Black: 790#(and (<= (* 2 (div x3 2)) x4) (<= x4 (* 2 (div x3 2))) (= x6 x5) (= (mod x3 2) 0) (= x2 x1)), Black: 306#(and (<= (+ x6 1) n) (<= x6 x5)), 821#true, Black: 244#(<= (+ x6 1) n), 310#true, Black: 313#(<= (+ x5 1) n), Black: 315#(and (<= x5 x6) (<= (+ x5 1) n)), 322#(<= n x3), Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), Black: 319#true, 327#true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 76#true, Black: 462#(and (<= (+ x1 1) n) (<= x1 x2)), Black: 901#(<= x2 x1), Black: 399#(<= (+ x1 1) n), 466#true, Black: 967#(and (<= (* 2 x2) x1) (<= (+ x2 1) n)), Black: 969#(and (<= (+ x2 1) n) (<= (+ (* 2 x2) 1) n)), Black: 938#(<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 971#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1)), Black: 212#(and (<= (+ x2 1) n) (<= x2 x1)), Black: 973#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1) (<= (+ (* 2 x2) 1) n)), Black: 975#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= x2 x1)), Black: 149#(<= (+ x2 1) n), 219#(<= n x4), Black: 583#(and (<= x5 (* 2 (div x6 2))) (= x4 x3) (= (mod x6 2) 0) (= x2 x1) (<= (* 2 (div x6 2)) x5)), Black: 540#(and (= x4 x3) (= x2 x1) (<= x5 (* 2 x6)) (<= (* 2 x6) x5)), Black: 218#(<= x3 x4), 608#true, 227#(<= n x5), Black: 226#(<= x6 x5), Black: 229#(and (<= x6 x5) (<= n x5)), 236#(<= n x6), Black: 722#(and (<= (* 2 (div x4 2)) x3) (= x6 x5) (= x2 x1) (= (mod x4 2) 0) (<= x3 (* 2 (div x4 2)))), Black: 682#(and (<= (* 2 x4) x3) (<= x3 (* 2 x4)) (= x6 x5) (= x2 x1)), 750#true, Black: 233#true, 241#true, Black: 864#(and (= (mod x1 (- 2)) 0) (= x6 x5) (<= (* 2 (div (* x1 (- 1)) (- 2))) x2) (= x4 x3) (<= x2 (* 2 (div (* x1 (- 1)) (- 2))))), Black: 824#(and (= x6 x5) (<= (* 2 x1) x2) (= x4 x3) (<= x2 (* 2 x1))), 892#true]) [2021-03-25 08:49:34,954 INFO L384 tUnfolder$Statistics]: this new event has 24 ancestors and is not cut-off event [2021-03-25 08:49:34,955 INFO L387 tUnfolder$Statistics]: existing Event has 24 ancestors and is not cut-off event [2021-03-25 08:49:34,955 INFO L387 tUnfolder$Statistics]: existing Event has 24 ancestors and is not cut-off event [2021-03-25 08:49:34,955 INFO L387 tUnfolder$Statistics]: existing Event has 25 ancestors and is not cut-off event [2021-03-25 08:49:34,958 INFO L129 PetriNetUnfolder]: 2684/4103 cut-off events. [2021-03-25 08:49:34,959 INFO L130 PetriNetUnfolder]: For 37377/39010 co-relation queries the response was YES. [2021-03-25 08:49:34,996 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25678 conditions, 4103 events. 2684/4103 cut-off events. For 37377/39010 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 23230 event pairs, 375 based on Foata normal form. 40/3982 useless extension candidates. Maximal degree in co-relation 25304. Up to 2866 conditions per place. [2021-03-25 08:49:35,055 INFO L142 LiptonReduction]: Number of co-enabled transitions 4170 [2021-03-25 08:49:35,282 INFO L154 LiptonReduction]: Checked pairs total: 21 [2021-03-25 08:49:35,282 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 08:49:35,282 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 656 [2021-03-25 08:49:35,282 INFO L480 AbstractCegarLoop]: Abstraction has has 128 places, 166 transitions, 1991 flow [2021-03-25 08:49:35,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.875) internal successors, (255), 8 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:35,283 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 08:49:35,283 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 08:49:35,505 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 08:49:35,506 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 08:49:35,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 08:49:35,506 INFO L82 PathProgramCache]: Analyzing trace with hash 2013200756, now seen corresponding path program 4 times [2021-03-25 08:49:35,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 08:49:35,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272085301] [2021-03-25 08:49:35,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 08:49:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:49:35,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:35,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:35,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:35,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:35,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:35,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:35,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272085301] [2021-03-25 08:49:35,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968643095] [2021-03-25 08:49:35,535 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 08:49:35,563 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 08:49:35,563 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 08:49:35,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-25 08:49:35,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 08:49:35,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:35,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:35,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:35,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:35,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:35,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:35,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:35,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:35,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:35,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:35,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:35,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:35,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:35,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:35,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:35,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:35,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:35,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:35,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 08:49:35,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 08:49:35,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:35,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:35,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:35,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:35,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:35,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:35,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:35,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:35,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:35,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:35,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:35,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:35,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:35,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:35,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:35,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:35,598 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-03-25 08:49:35,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:35,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:35,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:35,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:35,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:35,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:35,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:35,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 08:49:35,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 08:49:35,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:35,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 08:49:35,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 08:49:35,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 08:49:35,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 08:49:35,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:35,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:35,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:35,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:35,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:35,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:35,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:35,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:35,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:35,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 08:49:35,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 08:49:35,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:35,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:35,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 08:49:35,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:35,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:35,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:35,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:35,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:35,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:35,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:35,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:35,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:35,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:35,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:35,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:35,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:35,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:35,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:35,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:35,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:35,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:35,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:35,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:35,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:35,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:35,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:35,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:35,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:35,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:35,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:35,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:35,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:35,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:35,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:35,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 08:49:35,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-03-25 08:49:35,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776894513] [2021-03-25 08:49:35,646 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 08:49:35,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 08:49:35,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 08:49:35,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-25 08:49:35,648 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 61 [2021-03-25 08:49:35,648 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 166 transitions, 1991 flow. Second operand has 8 states, 8 states have (on average 32.0) internal successors, (256), 8 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:35,648 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 08:49:35,649 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 61 [2021-03-25 08:49:35,649 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 08:49:40,125 INFO L129 PetriNetUnfolder]: 30689/41554 cut-off events. [2021-03-25 08:49:40,126 INFO L130 PetriNetUnfolder]: For 503552/513857 co-relation queries the response was YES. [2021-03-25 08:49:40,489 INFO L84 FinitePrefix]: Finished finitePrefix Result has 281888 conditions, 41554 events. 30689/41554 cut-off events. For 503552/513857 co-relation queries the response was YES. Maximal size of possible extension queue 2620. Compared 265005 event pairs, 2604 based on Foata normal form. 859/42213 useless extension candidates. Maximal degree in co-relation 277776. Up to 19592 conditions per place. [2021-03-25 08:49:40,956 INFO L132 encePairwiseOnDemand]: 56/61 looper letters, 596 selfloop transitions, 75 changer transitions 0/683 dead transitions. [2021-03-25 08:49:40,956 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 683 transitions, 9108 flow [2021-03-25 08:49:40,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 08:49:40,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 08:49:40,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 565 transitions. [2021-03-25 08:49:40,958 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6615925058548009 [2021-03-25 08:49:40,958 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 565 transitions. [2021-03-25 08:49:40,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 565 transitions. [2021-03-25 08:49:40,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 08:49:40,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 565 transitions. [2021-03-25 08:49:40,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 40.357142857142854) internal successors, (565), 14 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:40,962 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 61.0) internal successors, (915), 15 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:40,962 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 61.0) internal successors, (915), 15 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:40,962 INFO L185 Difference]: Start difference. First operand has 128 places, 166 transitions, 1991 flow. Second operand 14 states and 565 transitions. [2021-03-25 08:49:40,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 683 transitions, 9108 flow [2021-03-25 08:49:41,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 683 transitions, 8973 flow, removed 57 selfloop flow, removed 1 redundant places. [2021-03-25 08:49:41,995 INFO L241 Difference]: Finished difference. Result has 143 places, 200 transitions, 2609 flow [2021-03-25 08:49:41,995 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=1890, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=2609, PETRI_PLACES=143, PETRI_TRANSITIONS=200} [2021-03-25 08:49:41,995 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 104 predicate places. [2021-03-25 08:49:41,995 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 08:49:41,995 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 200 transitions, 2609 flow [2021-03-25 08:49:41,995 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 200 transitions, 2609 flow [2021-03-25 08:49:41,996 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 143 places, 200 transitions, 2609 flow [2021-03-25 08:49:42,494 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([139] thread4EXIT-->L78: Formula: (and (= 4 v_thread4Thread1of1ForFork2_thidvar3_4) (= 4 v_thread4Thread1of1ForFork2_thidvar0_4) (= 4 v_thread4Thread1of1ForFork2_thidvar1_4) (= 4 v_thread4Thread1of1ForFork2_thidvar2_4)) InVars {thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} OutVars{thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} AuxVars[] AssignedVars[][97], [9#thread5EXITtrue, Black: 392#(and (<= (+ x3 1) n) (<= x3 x4)), Black: 330#(<= (+ x3 1) n), 396#true, Black: 141#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 79#(<= (+ x4 1) n), 146#true, Black: 500#(and (= x6 x5) (= x4 x3) (<= x1 (* 2 (div x2 2))) (<= (* 2 (div x2 2)) x1) (= (mod x2 2) 0)), Black: 469#(and (<= (* 2 x2) x1) (= x6 x5) (= x4 x3) (<= x1 (* 2 x2))), 537#true, 26#L78true, Black: 611#(and (= x4 x3) (<= (* 2 x5) x6) (= x2 x1) (<= x6 (* 2 x5))), Black: 654#(and (= x4 x3) (<= x6 (* 2 (div (* x5 (- 1)) (- 2)))) (<= (* 2 (div (* x5 (- 1)) (- 2))) x6) (= x2 x1) (= (mod x5 (- 2)) 0)), 679#true, 43#L60true, Black: 753#(and (<= x4 (* 2 x3)) (= x6 x5) (= x2 x1) (<= (* 2 x3) x4)), Black: 790#(and (<= (* 2 (div x3 2)) x4) (<= x4 (* 2 (div x3 2))) (= x6 x5) (= (mod x3 2) 0) (= x2 x1)), Black: 306#(and (<= (+ x6 1) n) (<= x6 x5)), Black: 244#(<= (+ x6 1) n), 821#true, Black: 1073#(and (<= x1 (* 2 x2)) (<= n x2)), 310#true, Black: 993#(<= x1 x2), Black: 987#(<= x1 (* 2 x2)), Black: 313#(<= (+ x5 1) n), Black: 315#(and (<= x5 x6) (<= (+ x5 1) n)), 322#(<= n x3), Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), Black: 319#true, 327#true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 76#true, Black: 462#(and (<= (+ x1 1) n) (<= x1 x2)), Black: 901#(<= x2 x1), Black: 399#(<= (+ x1 1) n), 466#true, Black: 967#(and (<= (* 2 x2) x1) (<= (+ x2 1) n)), Black: 969#(and (<= (+ x2 1) n) (<= (+ (* 2 x2) 1) n)), Black: 938#(<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 971#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1)), Black: 212#(and (<= (+ x2 1) n) (<= x2 x1)), Black: 973#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1) (<= (+ (* 2 x2) 1) n)), Black: 975#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= x2 x1)), Black: 149#(<= (+ x2 1) n), 219#(<= n x4), 989#(<= n x2), Black: 583#(and (<= x5 (* 2 (div x6 2))) (= x4 x3) (= (mod x6 2) 0) (= x2 x1) (<= (* 2 (div x6 2)) x5)), Black: 218#(<= x3 x4), Black: 540#(and (= x4 x3) (= x2 x1) (<= x5 (* 2 x6)) (<= (* 2 x6) x5)), 608#true, 227#(<= n x5), Black: 226#(<= x6 x5), Black: 229#(and (<= x6 x5) (<= n x5)), 233#true, Black: 722#(and (<= (* 2 (div x4 2)) x3) (= x6 x5) (= x2 x1) (= (mod x4 2) 0) (<= x3 (* 2 (div x4 2)))), Black: 682#(and (<= (* 2 x4) x3) (<= x3 (* 2 x4)) (= x6 x5) (= x2 x1)), 750#true, 241#true, Black: 864#(and (= (mod x1 (- 2)) 0) (= x6 x5) (<= (* 2 (div (* x1 (- 1)) (- 2))) x2) (= x4 x3) (<= x2 (* 2 (div (* x1 (- 1)) (- 2))))), Black: 824#(and (= x6 x5) (<= (* 2 x1) x2) (= x4 x3) (<= x2 (* 2 x1))), 892#true]) [2021-03-25 08:49:42,494 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is not cut-off event [2021-03-25 08:49:42,495 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is not cut-off event [2021-03-25 08:49:42,495 INFO L387 tUnfolder$Statistics]: existing Event has 24 ancestors and is not cut-off event [2021-03-25 08:49:42,495 INFO L387 tUnfolder$Statistics]: existing Event has 24 ancestors and is not cut-off event [2021-03-25 08:49:42,503 INFO L129 PetriNetUnfolder]: 3432/5505 cut-off events. [2021-03-25 08:49:42,503 INFO L130 PetriNetUnfolder]: For 54153/56706 co-relation queries the response was YES. [2021-03-25 08:49:42,544 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34434 conditions, 5505 events. 3432/5505 cut-off events. For 54153/56706 co-relation queries the response was YES. Maximal size of possible extension queue 379. Compared 35601 event pairs, 482 based on Foata normal form. 84/5359 useless extension candidates. Maximal degree in co-relation 33855. Up to 3610 conditions per place. [2021-03-25 08:49:42,607 INFO L142 LiptonReduction]: Number of co-enabled transitions 5916 [2021-03-25 08:49:42,624 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 08:49:42,624 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 08:49:42,624 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 629 [2021-03-25 08:49:42,625 INFO L480 AbstractCegarLoop]: Abstraction has has 143 places, 200 transitions, 2609 flow [2021-03-25 08:49:42,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 32.0) internal successors, (256), 8 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:42,625 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 08:49:42,625 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 08:49:42,839 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2021-03-25 08:49:42,840 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 08:49:42,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 08:49:42,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1487372425, now seen corresponding path program 5 times [2021-03-25 08:49:42,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 08:49:42,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260802499] [2021-03-25 08:49:42,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 08:49:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:49:42,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:42,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:42,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:42,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:42,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260802499] [2021-03-25 08:49:42,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888930140] [2021-03-25 08:49:42,877 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 08:49:42,915 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-25 08:49:42,915 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 08:49:42,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-25 08:49:42,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 08:49:42,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:42,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:42,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:42,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:42,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:42,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:42,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:42,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:42,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:42,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:42,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 08:49:42,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 08:49:42,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:42,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 08:49:42,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 08:49:42,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 08:49:42,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 08:49:42,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:42,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:42,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:42,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:42,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:42,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:42,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:42,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:42,968 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-25 08:49:42,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:42,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:42,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 08:49:42,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 08:49:42,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 08:49:42,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 08:49:42,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:42,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 08:49:42,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 08:49:42,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:42,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:49:42,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 08:49:42,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:42,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:42,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:42,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:42,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:42,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:42,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:42,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:42,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:42,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:42,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:42,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:42,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:42,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:42,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:42,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:42,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:43,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:43,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:43,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:43,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:43,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:43,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:43,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:43,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:43,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:43,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:43,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:43,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:43,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:43,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:43,003 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:43,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 08:49:43,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-03-25 08:49:43,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837448205] [2021-03-25 08:49:43,003 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 08:49:43,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 08:49:43,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 08:49:43,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-25 08:49:43,004 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 61 [2021-03-25 08:49:43,005 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 200 transitions, 2609 flow. Second operand has 8 states, 8 states have (on average 32.5) internal successors, (260), 8 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:43,005 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 08:49:43,005 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 61 [2021-03-25 08:49:43,005 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 08:49:47,163 INFO L129 PetriNetUnfolder]: 28433/37908 cut-off events. [2021-03-25 08:49:47,163 INFO L130 PetriNetUnfolder]: For 529245/542223 co-relation queries the response was YES. [2021-03-25 08:49:47,427 INFO L84 FinitePrefix]: Finished finitePrefix Result has 269142 conditions, 37908 events. 28433/37908 cut-off events. For 529245/542223 co-relation queries the response was YES. Maximal size of possible extension queue 2356. Compared 226573 event pairs, 5225 based on Foata normal form. 365/38023 useless extension candidates. Maximal degree in co-relation 265904. Up to 18016 conditions per place. [2021-03-25 08:49:47,618 INFO L132 encePairwiseOnDemand]: 56/61 looper letters, 462 selfloop transitions, 50 changer transitions 0/524 dead transitions. [2021-03-25 08:49:47,618 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 524 transitions, 7190 flow [2021-03-25 08:49:47,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 08:49:47,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 08:49:47,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 400 transitions. [2021-03-25 08:49:47,619 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6557377049180327 [2021-03-25 08:49:47,619 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 400 transitions. [2021-03-25 08:49:47,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 400 transitions. [2021-03-25 08:49:47,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 08:49:47,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 400 transitions. [2021-03-25 08:49:47,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 40.0) internal successors, (400), 10 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:47,621 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) [2021-03-25 08:49:47,622 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) [2021-03-25 08:49:47,622 INFO L185 Difference]: Start difference. First operand has 143 places, 200 transitions, 2609 flow. Second operand 10 states and 400 transitions. [2021-03-25 08:49:47,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 524 transitions, 7190 flow [2021-03-25 08:49:49,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 524 transitions, 6847 flow, removed 160 selfloop flow, removed 1 redundant places. [2021-03-25 08:49:49,730 INFO L241 Difference]: Finished difference. Result has 154 places, 199 transitions, 2458 flow [2021-03-25 08:49:49,730 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=2255, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2458, PETRI_PLACES=154, PETRI_TRANSITIONS=199} [2021-03-25 08:49:49,730 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 115 predicate places. [2021-03-25 08:49:49,730 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 08:49:49,731 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 154 places, 199 transitions, 2458 flow [2021-03-25 08:49:49,731 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 154 places, 199 transitions, 2458 flow [2021-03-25 08:49:49,732 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 154 places, 199 transitions, 2458 flow [2021-03-25 08:49:50,091 INFO L129 PetriNetUnfolder]: 3103/4920 cut-off events. [2021-03-25 08:49:50,092 INFO L130 PetriNetUnfolder]: For 41744/42950 co-relation queries the response was YES. [2021-03-25 08:49:50,131 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29530 conditions, 4920 events. 3103/4920 cut-off events. For 41744/42950 co-relation queries the response was YES. Maximal size of possible extension queue 372. Compared 31035 event pairs, 339 based on Foata normal form. 30/4766 useless extension candidates. Maximal degree in co-relation 29006. Up to 3321 conditions per place. [2021-03-25 08:49:50,190 INFO L142 LiptonReduction]: Number of co-enabled transitions 5988 [2021-03-25 08:49:50,219 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 08:49:50,219 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 08:49:50,219 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 489 [2021-03-25 08:49:50,219 INFO L480 AbstractCegarLoop]: Abstraction has has 154 places, 199 transitions, 2458 flow [2021-03-25 08:49:50,220 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 32.5) internal successors, (260), 8 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:50,220 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 08:49:50,220 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 08:49:50,420 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 08:49:50,420 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 08:49:50,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 08:49:50,420 INFO L82 PathProgramCache]: Analyzing trace with hash -1759375064, now seen corresponding path program 6 times [2021-03-25 08:49:50,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 08:49:50,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641780084] [2021-03-25 08:49:50,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 08:49:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:49:50,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:50,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:50,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:50,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:50,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:50,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:50,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641780084] [2021-03-25 08:49:50,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068330115] [2021-03-25 08:49:50,463 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 08:49:50,511 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-25 08:49:50,511 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 08:49:50,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-25 08:49:50,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 08:49:50,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:50,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:50,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:50,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:50,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:50,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:50,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:50,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:50,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:50,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:50,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:50,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:50,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:50,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:50,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 08:49:50,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 08:49:50,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:50,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:50,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:50,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:50,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:50,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 08:49:50,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 08:49:50,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:50,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 08:49:50,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 08:49:50,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 08:49:50,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 08:49:50,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:50,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:50,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:50,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:50,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:50,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:50,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:50,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:50,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:50,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:50,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:50,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:50,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:50,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 08:49:50,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 08:49:50,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:50,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 08:49:50,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 08:49:50,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:50,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:50,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:50,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:50,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:50,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:50,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:50,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:50,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:50,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:50,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:50,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:50,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:50,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:50,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:50,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:50,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:50,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:50,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:50,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:50,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:50,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:50,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:50,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:50,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:50,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:50,572 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-03-25 08:49:50,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:49:50,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:50,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 08:49:50,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:49:50,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:50,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:50,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:50,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:50,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:50,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:50,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:50,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:50,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:50,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:50,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:50,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:50,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:50,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:50,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:50,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:50,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:50,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:50,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:50,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:50,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:50,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:50,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 08:49:50,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-03-25 08:49:50,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400900278] [2021-03-25 08:49:50,597 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 08:49:50,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 08:49:50,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 08:49:50,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-25 08:49:50,597 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 61 [2021-03-25 08:49:50,598 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 199 transitions, 2458 flow. Second operand has 8 states, 8 states have (on average 32.625) internal successors, (261), 8 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:50,598 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 08:49:50,598 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 61 [2021-03-25 08:49:50,598 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 08:49:54,960 INFO L129 PetriNetUnfolder]: 30833/39546 cut-off events. [2021-03-25 08:49:54,960 INFO L130 PetriNetUnfolder]: For 487532/497180 co-relation queries the response was YES. [2021-03-25 08:49:55,410 INFO L84 FinitePrefix]: Finished finitePrefix Result has 275776 conditions, 39546 events. 30833/39546 cut-off events. For 487532/497180 co-relation queries the response was YES. Maximal size of possible extension queue 2459. Compared 212617 event pairs, 7804 based on Foata normal form. 457/39693 useless extension candidates. Maximal degree in co-relation 273840. Up to 19588 conditions per place. [2021-03-25 08:49:55,616 INFO L132 encePairwiseOnDemand]: 56/61 looper letters, 331 selfloop transitions, 64 changer transitions 0/407 dead transitions. [2021-03-25 08:49:55,617 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 407 transitions, 5491 flow [2021-03-25 08:49:55,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 08:49:55,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 08:49:55,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 329 transitions. [2021-03-25 08:49:55,619 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6741803278688525 [2021-03-25 08:49:55,619 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 329 transitions. [2021-03-25 08:49:55,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 329 transitions. [2021-03-25 08:49:55,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 08:49:55,619 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 329 transitions. [2021-03-25 08:49:55,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 41.125) internal successors, (329), 8 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:55,620 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 61.0) internal successors, (549), 9 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:55,621 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 61.0) internal successors, (549), 9 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:55,621 INFO L185 Difference]: Start difference. First operand has 154 places, 199 transitions, 2458 flow. Second operand 8 states and 329 transitions. [2021-03-25 08:49:55,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 407 transitions, 5491 flow [2021-03-25 08:49:57,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 407 transitions, 5406 flow, removed 12 selfloop flow, removed 4 redundant places. [2021-03-25 08:49:57,079 INFO L241 Difference]: Finished difference. Result has 160 places, 204 transitions, 2657 flow [2021-03-25 08:49:57,079 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=2377, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2657, PETRI_PLACES=160, PETRI_TRANSITIONS=204} [2021-03-25 08:49:57,079 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 121 predicate places. [2021-03-25 08:49:57,079 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 08:49:57,079 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 160 places, 204 transitions, 2657 flow [2021-03-25 08:49:57,079 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 160 places, 204 transitions, 2657 flow [2021-03-25 08:49:57,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 160 places, 204 transitions, 2657 flow [2021-03-25 08:49:57,513 INFO L129 PetriNetUnfolder]: 3518/5555 cut-off events. [2021-03-25 08:49:57,513 INFO L130 PetriNetUnfolder]: For 55589/57577 co-relation queries the response was YES. [2021-03-25 08:49:57,568 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35234 conditions, 5555 events. 3518/5555 cut-off events. For 55589/57577 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 35100 event pairs, 506 based on Foata normal form. 69/5439 useless extension candidates. Maximal degree in co-relation 34671. Up to 3755 conditions per place. [2021-03-25 08:49:57,639 INFO L142 LiptonReduction]: Number of co-enabled transitions 6220 [2021-03-25 08:49:57,651 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 08:49:57,651 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 08:49:57,651 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 572 [2021-03-25 08:49:57,652 INFO L480 AbstractCegarLoop]: Abstraction has has 160 places, 204 transitions, 2657 flow [2021-03-25 08:49:57,652 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 32.625) internal successors, (261), 8 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:57,652 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 08:49:57,652 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 08:49:57,855 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-03-25 08:49:57,856 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 08:49:57,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 08:49:57,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1073246443, now seen corresponding path program 3 times [2021-03-25 08:49:57,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 08:49:57,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187708666] [2021-03-25 08:49:57,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 08:49:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:49:57,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:57,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:57,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:57,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:57,890 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:57,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187708666] [2021-03-25 08:49:57,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967976686] [2021-03-25 08:49:57,890 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 08:49:57,937 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-25 08:49:57,937 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 08:49:57,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-25 08:49:57,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 08:49:57,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:49:57,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:57,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:57,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:57,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:57,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:57,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:57,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:57,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:57,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:57,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:57,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:57,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:57,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:49:57,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:57,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:57,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:49:57,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:57,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:57,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:57,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:49:57,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:57,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:57,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 08:49:57,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:57,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:49:57,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 08:49:57,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:57,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:49:57,987 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-03-25 08:49:57,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 08:49:57,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:49:57,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 08:49:57,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 08:49:57,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:57,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:57,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:57,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:57,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:57,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:57,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:57,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:57,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:57,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:57,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:57,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:57,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:57,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:57,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:58,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:58,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:58,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:58,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:58,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:58,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:58,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:58,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:58,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:58,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:58,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:58,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:58,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:58,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:58,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:58,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:58,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:58,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:49:58,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:49:58,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:49:58,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 08:49:58,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-25 08:49:58,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757709533] [2021-03-25 08:49:58,005 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 08:49:58,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 08:49:58,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 08:49:58,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-25 08:49:58,005 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 61 [2021-03-25 08:49:58,006 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 204 transitions, 2657 flow. Second operand has 7 states, 7 states have (on average 31.857142857142858) internal successors, (223), 7 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:49:58,006 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 08:49:58,006 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 61 [2021-03-25 08:49:58,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 08:50:08,110 INFO L129 PetriNetUnfolder]: 66417/83935 cut-off events. [2021-03-25 08:50:08,111 INFO L130 PetriNetUnfolder]: For 1142361/1156873 co-relation queries the response was YES. [2021-03-25 08:50:09,124 INFO L84 FinitePrefix]: Finished finitePrefix Result has 609433 conditions, 83935 events. 66417/83935 cut-off events. For 1142361/1156873 co-relation queries the response was YES. Maximal size of possible extension queue 4606. Compared 470338 event pairs, 8657 based on Foata normal form. 3261/86833 useless extension candidates. Maximal degree in co-relation 606608. Up to 45506 conditions per place. [2021-03-25 08:50:09,886 INFO L132 encePairwiseOnDemand]: 56/61 looper letters, 726 selfloop transitions, 46 changer transitions 0/784 dead transitions. [2021-03-25 08:50:09,887 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 784 transitions, 12273 flow [2021-03-25 08:50:09,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 08:50:09,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 08:50:09,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 373 transitions. [2021-03-25 08:50:09,888 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6794171220400729 [2021-03-25 08:50:09,888 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 373 transitions. [2021-03-25 08:50:09,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 373 transitions. [2021-03-25 08:50:09,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 08:50:09,888 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 373 transitions. [2021-03-25 08:50:09,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 41.44444444444444) internal successors, (373), 9 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:50:09,889 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 61.0) internal successors, (610), 10 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:50:09,889 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 61.0) internal successors, (610), 10 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:50:09,890 INFO L185 Difference]: Start difference. First operand has 160 places, 204 transitions, 2657 flow. Second operand 9 states and 373 transitions. [2021-03-25 08:50:09,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 784 transitions, 12273 flow [2021-03-25 08:50:12,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 784 transitions, 11871 flow, removed 138 selfloop flow, removed 3 redundant places. [2021-03-25 08:50:12,934 INFO L241 Difference]: Finished difference. Result has 172 places, 221 transitions, 2935 flow [2021-03-25 08:50:12,934 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=2573, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2935, PETRI_PLACES=172, PETRI_TRANSITIONS=221} [2021-03-25 08:50:12,934 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 133 predicate places. [2021-03-25 08:50:12,934 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 08:50:12,934 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 172 places, 221 transitions, 2935 flow [2021-03-25 08:50:12,934 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 172 places, 221 transitions, 2935 flow [2021-03-25 08:50:12,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 172 places, 221 transitions, 2935 flow [2021-03-25 08:50:14,340 INFO L129 PetriNetUnfolder]: 9257/14359 cut-off events. [2021-03-25 08:50:14,340 INFO L130 PetriNetUnfolder]: For 162643/166604 co-relation queries the response was YES. [2021-03-25 08:50:14,471 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96595 conditions, 14359 events. 9257/14359 cut-off events. For 162643/166604 co-relation queries the response was YES. Maximal size of possible extension queue 974. Compared 101881 event pairs, 1783 based on Foata normal form. 342/14129 useless extension candidates. Maximal degree in co-relation 95390. Up to 10093 conditions per place. [2021-03-25 08:50:14,659 INFO L142 LiptonReduction]: Number of co-enabled transitions 7926 [2021-03-25 08:50:20,314 INFO L154 LiptonReduction]: Checked pairs total: 40 [2021-03-25 08:50:20,314 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 08:50:20,314 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7380 [2021-03-25 08:50:20,314 INFO L480 AbstractCegarLoop]: Abstraction has has 172 places, 221 transitions, 2936 flow [2021-03-25 08:50:20,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.857142857142858) internal successors, (223), 7 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:50:20,314 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 08:50:20,315 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 08:50:20,515 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 08:50:20,516 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 08:50:20,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 08:50:20,516 INFO L82 PathProgramCache]: Analyzing trace with hash -395850847, now seen corresponding path program 4 times [2021-03-25 08:50:20,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 08:50:20,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997502966] [2021-03-25 08:50:20,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 08:50:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:50:20,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:50:20,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:50:20,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:50:20,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:50:20,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997502966] [2021-03-25 08:50:20,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178098037] [2021-03-25 08:50:20,545 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 08:50:20,573 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 08:50:20,573 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 08:50:20,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-25 08:50:20,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 08:50:20,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:50:20,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:50:20,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:50:20,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:50:20,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:50:20,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:50:20,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:50:20,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 08:50:20,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 08:50:20,607 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-03-25 08:50:20,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:50:20,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:50:20,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:50:20,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:50:20,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:50:20,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:50:20,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:50:20,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 08:50:20,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 08:50:20,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:50:20,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 08:50:20,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 08:50:20,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 08:50:20,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 08:50:20,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:50:20,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:50:20,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:50:20,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:50:20,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:50:20,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 08:50:20,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 08:50:20,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:50:20,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 08:50:20,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 08:50:20,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:50:20,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:50:20,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:50:20,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:50:20,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:50:20,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:50:20,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:50:20,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:50:20,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:50:20,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:50:20,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:50:20,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:50:20,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:50:20,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:50:20,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:50:20,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:50:20,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:50:20,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:50:20,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:50:20,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:50:20,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:50:20,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:50:20,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:50:20,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:50:20,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:50:20,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 08:50:20,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-25 08:50:20,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915671945] [2021-03-25 08:50:20,645 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 08:50:20,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 08:50:20,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 08:50:20,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-25 08:50:20,646 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-03-25 08:50:20,646 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 221 transitions, 2936 flow. Second operand has 7 states, 7 states have (on average 32.0) internal successors, (224), 7 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:50:20,646 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 08:50:20,646 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-03-25 08:50:20,646 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 08:50:37,241 INFO L129 PetriNetUnfolder]: 95193/120922 cut-off events. [2021-03-25 08:50:37,241 INFO L130 PetriNetUnfolder]: For 1926319/1938030 co-relation queries the response was YES. [2021-03-25 08:50:39,493 INFO L84 FinitePrefix]: Finished finitePrefix Result has 945131 conditions, 120922 events. 95193/120922 cut-off events. For 1926319/1938030 co-relation queries the response was YES. Maximal size of possible extension queue 6779. Compared 733792 event pairs, 1167 based on Foata normal form. 2227/122769 useless extension candidates. Maximal degree in co-relation 940856. Up to 64632 conditions per place. [2021-03-25 08:50:40,236 INFO L132 encePairwiseOnDemand]: 57/62 looper letters, 1179 selfloop transitions, 72 changer transitions 0/1263 dead transitions. [2021-03-25 08:50:40,236 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 1263 transitions, 19563 flow [2021-03-25 08:50:40,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 08:50:40,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 08:50:40,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 535 transitions. [2021-03-25 08:50:40,238 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6637717121588089 [2021-03-25 08:50:40,238 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 535 transitions. [2021-03-25 08:50:40,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 535 transitions. [2021-03-25 08:50:40,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 08:50:40,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 535 transitions. [2021-03-25 08:50:40,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 41.15384615384615) internal successors, (535), 13 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:50:40,240 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 62.0) internal successors, (868), 14 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:50:40,240 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 62.0) internal successors, (868), 14 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:50:40,240 INFO L185 Difference]: Start difference. First operand has 172 places, 221 transitions, 2936 flow. Second operand 13 states and 535 transitions. [2021-03-25 08:50:40,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 1263 transitions, 19563 flow [2021-03-25 08:50:57,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 1263 transitions, 19503 flow, removed 30 selfloop flow, removed 0 redundant places. [2021-03-25 08:50:57,944 INFO L241 Difference]: Finished difference. Result has 187 places, 250 transitions, 3510 flow [2021-03-25 08:50:57,944 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=2898, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3510, PETRI_PLACES=187, PETRI_TRANSITIONS=250} [2021-03-25 08:50:57,944 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 148 predicate places. [2021-03-25 08:50:57,944 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 08:50:57,944 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 187 places, 250 transitions, 3510 flow [2021-03-25 08:50:57,945 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 187 places, 250 transitions, 3510 flow [2021-03-25 08:50:57,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 187 places, 250 transitions, 3510 flow [2021-03-25 08:50:59,823 INFO L129 PetriNetUnfolder]: 12036/19064 cut-off events. [2021-03-25 08:50:59,824 INFO L130 PetriNetUnfolder]: For 248770/255564 co-relation queries the response was YES. [2021-03-25 08:51:00,057 INFO L84 FinitePrefix]: Finished finitePrefix Result has 132915 conditions, 19064 events. 12036/19064 cut-off events. For 248770/255564 co-relation queries the response was YES. Maximal size of possible extension queue 1366. Compared 145286 event pairs, 1975 based on Foata normal form. 611/19050 useless extension candidates. Maximal degree in co-relation 131130. Up to 13172 conditions per place. [2021-03-25 08:51:00,335 INFO L142 LiptonReduction]: Number of co-enabled transitions 11040 [2021-03-25 08:51:00,422 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 08:51:00,422 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 08:51:00,422 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2478 [2021-03-25 08:51:00,422 INFO L480 AbstractCegarLoop]: Abstraction has has 187 places, 250 transitions, 3510 flow [2021-03-25 08:51:00,422 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 32.0) internal successors, (224), 7 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:51:00,422 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 08:51:00,422 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 08:51:00,623 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-03-25 08:51:00,623 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 08:51:00,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 08:51:00,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1324462603, now seen corresponding path program 5 times [2021-03-25 08:51:00,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 08:51:00,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564163716] [2021-03-25 08:51:00,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 08:51:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:51:00,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:51:00,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:51:00,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:51:00,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:51:00,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:51:00,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:51:00,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564163716] [2021-03-25 08:51:00,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640178411] [2021-03-25 08:51:00,651 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 08:51:00,684 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-25 08:51:00,684 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 08:51:00,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-25 08:51:00,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 08:51:00,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:51:00,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:51:00,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:51:00,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:51:00,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:51:00,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:51:00,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:51:00,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:51:00,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:51:00,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:51:00,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:51:00,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:51:00,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:51:00,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:51:00,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:51:00,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:51:00,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:51:00,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:51:00,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:51:00,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:51:00,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:51:00,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:51:00,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:51:00,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:51:00,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:51:00,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:51:00,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:51:00,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:51:00,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:51:00,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:51:00,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 08:51:00,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 08:51:00,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:51:00,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:51:00,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:51:00,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:51:00,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:51:00,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:51:00,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:51:00,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:51:00,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:51:00,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:51:00,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:51:00,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:51:00,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:51:00,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:51:00,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:51:00,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:51:00,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:51:00,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:51:00,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:51:00,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:51:00,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:51:00,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 08:51:00,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 08:51:00,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:51:00,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 08:51:00,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 08:51:00,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 08:51:00,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 08:51:00,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:51:00,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 08:51:00,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 08:51:00,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:51:00,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 08:51:00,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 08:51:00,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:51:00,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:51:00,742 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-03-25 08:51:00,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 08:51:00,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:51:00,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 08:51:00,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 08:51:00,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:51:00,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:51:00,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:51:00,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:51:00,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:51:00,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:51:00,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:51:00,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:51:00,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:51:00,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:51:00,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:51:00,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:51:00,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:51:00,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:51:00,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:51:00,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:51:00,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:51:00,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:51:00,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:51:00,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:51:00,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:51:00,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:51:00,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:51:00,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:51:00,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:51:00,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 08:51:00,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 6 [2021-03-25 08:51:00,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424279761] [2021-03-25 08:51:00,766 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 08:51:00,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 08:51:00,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 08:51:00,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 08:51:00,766 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-03-25 08:51:00,767 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 250 transitions, 3510 flow. Second operand has 7 states, 7 states have (on average 32.0) internal successors, (224), 7 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:51:00,767 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 08:51:00,767 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-03-25 08:51:00,767 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 08:51:21,119 INFO L129 PetriNetUnfolder]: 103721/131805 cut-off events. [2021-03-25 08:51:21,119 INFO L130 PetriNetUnfolder]: For 2112460/2126611 co-relation queries the response was YES. [2021-03-25 08:51:23,498 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1065899 conditions, 131805 events. 103721/131805 cut-off events. For 2112460/2126611 co-relation queries the response was YES. Maximal size of possible extension queue 7477. Compared 800338 event pairs, 5669 based on Foata normal form. 1116/132539 useless extension candidates. Maximal degree in co-relation 1061248. Up to 70936 conditions per place. [2021-03-25 08:51:24,419 INFO L132 encePairwiseOnDemand]: 57/62 looper letters, 663 selfloop transitions, 65 changer transitions 0/740 dead transitions. [2021-03-25 08:51:24,419 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 740 transitions, 11599 flow [2021-03-25 08:51:24,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 08:51:24,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 08:51:24,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 334 transitions. [2021-03-25 08:51:24,421 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6733870967741935 [2021-03-25 08:51:24,421 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 334 transitions. [2021-03-25 08:51:24,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 334 transitions. [2021-03-25 08:51:24,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 08:51:24,421 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 334 transitions. [2021-03-25 08:51:24,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 41.75) internal successors, (334), 8 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:51:24,422 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 62.0) internal successors, (558), 9 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:51:24,422 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 62.0) internal successors, (558), 9 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:51:24,423 INFO L185 Difference]: Start difference. First operand has 187 places, 250 transitions, 3510 flow. Second operand 8 states and 334 transitions. [2021-03-25 08:51:24,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 740 transitions, 11599 flow [2021-03-25 08:52:48,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 740 transitions, 11341 flow, removed 88 selfloop flow, removed 3 redundant places. [2021-03-25 08:52:48,008 INFO L241 Difference]: Finished difference. Result has 194 places, 256 transitions, 3556 flow [2021-03-25 08:52:48,008 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=3280, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3556, PETRI_PLACES=194, PETRI_TRANSITIONS=256} [2021-03-25 08:52:48,008 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 155 predicate places. [2021-03-25 08:52:48,009 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 08:52:48,009 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 194 places, 256 transitions, 3556 flow [2021-03-25 08:52:48,009 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 194 places, 256 transitions, 3556 flow [2021-03-25 08:52:48,011 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 194 places, 256 transitions, 3556 flow [2021-03-25 08:52:50,121 INFO L129 PetriNetUnfolder]: 13432/22003 cut-off events. [2021-03-25 08:52:50,121 INFO L130 PetriNetUnfolder]: For 257054/262933 co-relation queries the response was YES. [2021-03-25 08:52:50,433 INFO L84 FinitePrefix]: Finished finitePrefix Result has 145995 conditions, 22003 events. 13432/22003 cut-off events. For 257054/262933 co-relation queries the response was YES. Maximal size of possible extension queue 1620. Compared 179908 event pairs, 2300 based on Foata normal form. 675/21920 useless extension candidates. Maximal degree in co-relation 144326. Up to 14763 conditions per place. [2021-03-25 08:52:50,779 INFO L142 LiptonReduction]: Number of co-enabled transitions 11542 [2021-03-25 08:52:50,829 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 08:52:50,830 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 08:52:50,830 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2821 [2021-03-25 08:52:50,830 INFO L480 AbstractCegarLoop]: Abstraction has has 194 places, 256 transitions, 3556 flow [2021-03-25 08:52:50,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 32.0) internal successors, (224), 7 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:52:50,830 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 08:52:50,830 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 08:52:51,031 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-03-25 08:52:51,032 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 08:52:51,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 08:52:51,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1811529029, now seen corresponding path program 3 times [2021-03-25 08:52:51,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 08:52:51,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790500605] [2021-03-25 08:52:51,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 08:52:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 08:52:51,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:52:51,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:52:51,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:52:51,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:52:51,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:52:51,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:52:51,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790500605] [2021-03-25 08:52:51,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687776720] [2021-03-25 08:52:51,067 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 08:52:51,107 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-25 08:52:51,107 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 08:52:51,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-25 08:52:51,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 08:52:51,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:52:51,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:52:51,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:52:51,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:52:51,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:52:51,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:52:51,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:52:51,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:52:51,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:52:51,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:52:51,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:52:51,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:52:51,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:52:51,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:52:51,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:52:51,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:52:51,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:52:51,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:52:51,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:52:51,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:52:51,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:52:51,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:52:51,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:52:51,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 08:52:51,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:52:51,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:52:51,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:52:51,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:52:51,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:52:51,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:52:51,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:52:51,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:52:51,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:52:51,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:52:51,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:52:51,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:52:51,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:52:51,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:52:51,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:52:51,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:52:51,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:52:51,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:52:51,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:52:51,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:52:51,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:52:51,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:52:51,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:52:51,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:52:51,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:52:51,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:52:51,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:52:51,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:52:51,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 08:52:51,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:52:51,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:52:51,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 08:52:51,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:52:51,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:52:51,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:52:51,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:52:51,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:52:51,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:52:51,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:52:51,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 08:52:51,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:52:51,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:52:51,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 08:52:51,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:52:51,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 08:52:51,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 08:52:51,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:52:51,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 08:52:51,155 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-03-25 08:52:51,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 08:52:51,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 08:52:51,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 08:52:51,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 08:52:51,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:52:51,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:52:51,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:52:51,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:52:51,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:52:51,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:52:51,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:52:51,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:52:51,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:52:51,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:52:51,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:52:51,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:52:51,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:52:51,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:52:51,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:52:51,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:52:51,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:52:51,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:52:51,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:52:51,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 08:52:51,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 08:52:51,170 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 08:52:51,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 08:52:51,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-25 08:52:51,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28545637] [2021-03-25 08:52:51,170 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 08:52:51,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 08:52:51,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 08:52:51,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-25 08:52:51,171 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-03-25 08:52:51,171 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 256 transitions, 3556 flow. Second operand has 7 states, 7 states have (on average 31.857142857142858) internal successors, (223), 7 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:52:51,171 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 08:52:51,171 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-03-25 08:52:51,171 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 08:53:35,347 INFO L129 PetriNetUnfolder]: 236073/296785 cut-off events. [2021-03-25 08:53:35,347 INFO L130 PetriNetUnfolder]: For 4835045/4846992 co-relation queries the response was YES. [2021-03-25 08:53:41,712 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2356697 conditions, 296785 events. 236073/296785 cut-off events. For 4835045/4846992 co-relation queries the response was YES. Maximal size of possible extension queue 12000. Compared 1773807 event pairs, 24801 based on Foata normal form. 12165/308044 useless extension candidates. Maximal degree in co-relation 2349736. Up to 169190 conditions per place. [2021-03-25 08:53:44,404 INFO L132 encePairwiseOnDemand]: 57/62 looper letters, 1093 selfloop transitions, 46 changer transitions 0/1151 dead transitions. [2021-03-25 08:53:44,404 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 1151 transitions, 18324 flow [2021-03-25 08:53:44,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 08:53:44,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 08:53:44,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 381 transitions. [2021-03-25 08:53:44,406 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6827956989247311 [2021-03-25 08:53:44,406 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 381 transitions. [2021-03-25 08:53:44,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 381 transitions. [2021-03-25 08:53:44,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 08:53:44,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 381 transitions. [2021-03-25 08:53:44,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 42.333333333333336) internal successors, (381), 9 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:53:44,409 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 62.0) internal successors, (620), 10 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:53:44,409 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 62.0) internal successors, (620), 10 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 08:53:44,409 INFO L185 Difference]: Start difference. First operand has 194 places, 256 transitions, 3556 flow. Second operand 9 states and 381 transitions. [2021-03-25 08:53:44,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 1151 transitions, 18324 flow [2021-03-25 08:55:22,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 1151 transitions, 17950 flow, removed 142 selfloop flow, removed 2 redundant places. [2021-03-25 08:55:22,261 INFO L241 Difference]: Finished difference. Result has 207 places, 273 transitions, 3877 flow [2021-03-25 08:55:22,262 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=3480, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3877, PETRI_PLACES=207, PETRI_TRANSITIONS=273} [2021-03-25 08:55:22,262 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 168 predicate places. [2021-03-25 08:55:22,262 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 08:55:22,262 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 207 places, 273 transitions, 3877 flow [2021-03-25 08:55:22,262 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 207 places, 273 transitions, 3877 flow [2021-03-25 08:55:22,264 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 207 places, 273 transitions, 3877 flow [2021-03-25 08:55:30,175 INFO L129 PetriNetUnfolder]: 34405/56507 cut-off events. [2021-03-25 08:55:30,175 INFO L130 PetriNetUnfolder]: For 793973/808524 co-relation queries the response was YES. [2021-03-25 08:55:31,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 392388 conditions, 56507 events. 34405/56507 cut-off events. For 793973/808524 co-relation queries the response was YES. Maximal size of possible extension queue 3838. Compared 517283 event pairs, 7544 based on Foata normal form. 3043/57663 useless extension candidates. Maximal degree in co-relation 384555. Up to 37740 conditions per place. [2021-03-25 08:55:32,298 INFO L142 LiptonReduction]: Number of co-enabled transitions 14100 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown