/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=31.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b665a9c [2020-09-29 12:16:29,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-29 12:16:29,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-29 12:16:29,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-29 12:16:29,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-29 12:16:29,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-29 12:16:29,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-29 12:16:29,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-29 12:16:29,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-29 12:16:29,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-29 12:16:29,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-29 12:16:29,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-29 12:16:29,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-29 12:16:29,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-29 12:16:29,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-29 12:16:29,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-29 12:16:29,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-29 12:16:29,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-29 12:16:29,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-29 12:16:29,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-29 12:16:29,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-29 12:16:29,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-29 12:16:29,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-29 12:16:29,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-29 12:16:29,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-29 12:16:29,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-29 12:16:29,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-29 12:16:29,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-29 12:16:29,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-29 12:16:29,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-29 12:16:29,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-29 12:16:29,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-29 12:16:29,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-29 12:16:29,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-29 12:16:29,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-29 12:16:29,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-29 12:16:29,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-29 12:16:29,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-29 12:16:29,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-29 12:16:29,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-29 12:16:29,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-29 12:16:29,759 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-29 12:16:29,785 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-29 12:16:29,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-29 12:16:29,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-29 12:16:29,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-29 12:16:29,787 INFO L138 SettingsManager]: * Use SBE=true [2020-09-29 12:16:29,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-29 12:16:29,788 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-29 12:16:29,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-29 12:16:29,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-29 12:16:29,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-29 12:16:29,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-29 12:16:29,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-29 12:16:29,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-29 12:16:29,789 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-29 12:16:29,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-29 12:16:29,789 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-29 12:16:29,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-29 12:16:29,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-29 12:16:29,790 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-29 12:16:29,790 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-29 12:16:29,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-29 12:16:29,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 12:16:29,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-29 12:16:29,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-29 12:16:29,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-29 12:16:29,791 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-29 12:16:29,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-29 12:16:29,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-29 12:16:29,792 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-29 12:16:29,792 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-29 12:16:30,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-29 12:16:30,250 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-29 12:16:30,254 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-29 12:16:30,256 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-09-29 12:16:30,257 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-09-29 12:16:30,258 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=31.bpl [2020-09-29 12:16:30,258 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=31.bpl' [2020-09-29 12:16:30,318 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-29 12:16:30,325 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-29 12:16:30,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-29 12:16:30,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-29 12:16:30,327 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-29 12:16:30,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:16:30" (1/1) ... [2020-09-29 12:16:30,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:16:30" (1/1) ... [2020-09-29 12:16:30,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-29 12:16:30,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-29 12:16:30,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-29 12:16:30,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-29 12:16:30,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:16:30" (1/1) ... [2020-09-29 12:16:30,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:16:30" (1/1) ... [2020-09-29 12:16:30,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:16:30" (1/1) ... [2020-09-29 12:16:30,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:16:30" (1/1) ... [2020-09-29 12:16:30,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:16:30" (1/1) ... [2020-09-29 12:16:30,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:16:30" (1/1) ... [2020-09-29 12:16:30,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:16:30" (1/1) ... [2020-09-29 12:16:30,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-29 12:16:30,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-29 12:16:30,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-29 12:16:30,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-29 12:16:30,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:16:30" (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 [2020-09-29 12:16:30,523 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-09-29 12:16:30,524 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-09-29 12:16:30,525 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-09-29 12:16:30,526 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-09-29 12:16:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-09-29 12:16:30,526 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-09-29 12:16:30,527 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-09-29 12:16:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-09-29 12:16:30,527 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-09-29 12:16:30,527 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-09-29 12:16:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-09-29 12:16:30,528 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-09-29 12:16:30,528 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-09-29 12:16:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-09-29 12:16:30,528 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-09-29 12:16:30,528 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-09-29 12:16:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-09-29 12:16:30,529 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-09-29 12:16:30,529 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-09-29 12:16:30,530 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-09-29 12:16:30,530 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-09-29 12:16:30,530 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-09-29 12:16:30,530 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-09-29 12:16:30,531 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-09-29 12:16:30,538 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-09-29 12:16:30,539 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-09-29 12:16:30,540 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-09-29 12:16:30,540 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-09-29 12:16:30,541 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-09-29 12:16:30,541 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-09-29 12:16:30,541 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-09-29 12:16:30,541 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-09-29 12:16:30,541 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-09-29 12:16:30,542 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-09-29 12:16:30,542 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-09-29 12:16:30,542 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-09-29 12:16:30,543 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-09-29 12:16:30,543 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-09-29 12:16:30,543 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-09-29 12:16:30,543 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-09-29 12:16:30,543 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-29 12:16:30,544 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-29 12:16:30,544 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-09-29 12:16:30,544 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-29 12:16:30,544 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-29 12:16:30,545 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-09-29 12:16:30,545 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-09-29 12:16:30,545 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-09-29 12:16:30,545 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-09-29 12:16:30,545 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-09-29 12:16:30,546 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-09-29 12:16:30,546 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-09-29 12:16:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-09-29 12:16:30,546 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-09-29 12:16:30,546 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-09-29 12:16:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-09-29 12:16:30,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-09-29 12:16:30,547 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-09-29 12:16:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-09-29 12:16:30,548 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-09-29 12:16:30,548 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-09-29 12:16:30,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-09-29 12:16:30,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-09-29 12:16:30,549 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-09-29 12:16:30,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-09-29 12:16:30,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-09-29 12:16:30,550 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-09-29 12:16:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-09-29 12:16:30,551 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-09-29 12:16:30,551 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-09-29 12:16:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-09-29 12:16:30,551 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-09-29 12:16:30,552 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-09-29 12:16:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-09-29 12:16:30,552 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-09-29 12:16:30,553 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-09-29 12:16:30,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-29 12:16:30,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-29 12:16:30,553 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-09-29 12:16:30,553 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-09-29 12:16:30,553 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-09-29 12:16:30,554 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-09-29 12:16:30,554 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-09-29 12:16:30,554 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-09-29 12:16:30,555 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-09-29 12:16:30,555 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-09-29 12:16:30,556 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-09-29 12:16:30,556 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-09-29 12:16:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-09-29 12:16:30,556 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-09-29 12:16:30,556 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-09-29 12:16:30,557 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-09-29 12:16:30,557 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-09-29 12:16:30,557 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-09-29 12:16:30,557 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-09-29 12:16:30,557 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-09-29 12:16:30,559 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-29 12:16:30,906 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-29 12:16:30,907 INFO L298 CfgBuilder]: Removed 31 assume(true) statements. [2020-09-29 12:16:30,912 INFO L202 PluginConnector]: Adding new model example2_N=31.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 12:16:30 BoogieIcfgContainer [2020-09-29 12:16:30,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-29 12:16:30,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-29 12:16:30,914 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-29 12:16:30,919 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-29 12:16:30,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:16:30" (1/2) ... [2020-09-29 12:16:30,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27fe2e4d and model type example2_N=31.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 12:16:30, skipping insertion in model container [2020-09-29 12:16:30,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 12:16:30" (2/2) ... [2020-09-29 12:16:30,923 INFO L109 eAbstractionObserver]: Analyzing ICFG example2_N=31.bpl [2020-09-29 12:16:30,937 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-29 12:16:30,937 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-29 12:16:30,948 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-29 12:16:30,950 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-29 12:16:31,542 INFO L251 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2020-09-29 12:16:31,570 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-29 12:16:31,571 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-29 12:16:31,571 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-29 12:16:31,571 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-29 12:16:31,571 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-29 12:16:31,571 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-29 12:16:31,572 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-29 12:16:31,572 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-29 12:16:31,598 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 222 places, 159 transitions, 566 flow [2020-09-29 12:16:31,601 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 222 places, 159 transitions, 566 flow [2020-09-29 12:16:31,754 INFO L129 PetriNetUnfolder]: 31/128 cut-off events. [2020-09-29 12:16:31,760 INFO L130 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2020-09-29 12:16:31,778 INFO L80 FinitePrefix]: Finished finitePrefix Result has 253 conditions, 128 events. 31/128 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 95 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 152. Up to 2 conditions per place. [2020-09-29 12:16:31,788 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 222 places, 159 transitions, 566 flow [2020-09-29 12:16:31,854 INFO L129 PetriNetUnfolder]: 31/128 cut-off events. [2020-09-29 12:16:31,854 INFO L130 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2020-09-29 12:16:31,858 INFO L80 FinitePrefix]: Finished finitePrefix Result has 253 conditions, 128 events. 31/128 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 95 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 152. Up to 2 conditions per place. [2020-09-29 12:16:31,865 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 7440 [2020-09-29 12:16:31,866 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-29 12:16:32,038 INFO L206 etLargeBlockEncoding]: Checked pairs total: 0 [2020-09-29 12:16:32,038 INFO L214 etLargeBlockEncoding]: Total number of compositions: 1 [2020-09-29 12:16:32,043 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 221 places, 158 transitions, 564 flow Received shutdown request... [2020-09-29 12:29:33,648 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-29 12:29:33,654 WARN L228 ceAbstractionStarter]: Timeout [2020-09-29 12:29:33,654 INFO L202 PluginConnector]: Adding new model example2_N=31.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 12:29:33 BasicIcfg [2020-09-29 12:29:33,654 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-29 12:29:33,658 INFO L168 Benchmark]: Toolchain (without parser) took 783336.91 ms. Allocated memory was 246.4 MB in the beginning and 10.5 GB in the end (delta: 10.2 GB). Free memory was 222.0 MB in the beginning and 2.7 GB in the end (delta: -2.5 GB). Peak memory consumption was 9.2 GB. Max. memory is 14.2 GB. [2020-09-29 12:29:33,660 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 246.4 MB. Free memory is still 223.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 12:29:33,661 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.65 ms. Allocated memory is still 246.4 MB. Free memory was 222.0 MB in the beginning and 219.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-09-29 12:29:33,662 INFO L168 Benchmark]: Boogie Preprocessor took 43.39 ms. Allocated memory is still 246.4 MB. Free memory was 219.4 MB in the beginning and 217.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-09-29 12:29:33,663 INFO L168 Benchmark]: RCFGBuilder took 495.91 ms. Allocated memory is still 246.4 MB. Free memory was 217.8 MB in the beginning and 190.5 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 14.2 GB. [2020-09-29 12:29:33,664 INFO L168 Benchmark]: TraceAbstraction took 782740.52 ms. Allocated memory was 246.4 MB in the beginning and 10.5 GB in the end (delta: 10.2 GB). Free memory was 190.5 MB in the beginning and 2.7 GB in the end (delta: -2.5 GB). Peak memory consumption was 9.2 GB. Max. memory is 14.2 GB. [2020-09-29 12:29:33,668 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 246.4 MB. Free memory is still 223.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 46.65 ms. Allocated memory is still 246.4 MB. Free memory was 222.0 MB in the beginning and 219.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 43.39 ms. Allocated memory is still 246.4 MB. Free memory was 219.4 MB in the beginning and 217.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * RCFGBuilder took 495.91 ms. Allocated memory is still 246.4 MB. Free memory was 217.8 MB in the beginning and 190.5 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 14.2 GB. * TraceAbstraction took 782740.52 ms. Allocated memory was 246.4 MB in the beginning and 10.5 GB in the end (delta: 10.2 GB). Free memory was 190.5 MB in the beginning and 2.7 GB in the end (delta: -2.5 GB). Peak memory consumption was 9.2 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.4s, 222 ProgramPointsBefore, 221 ProgramPointsAfterwards, 159 TransitionsBefore, 158 TransitionsAfterwards, 7440 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 0 CheckedPairsTotal, 1 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 72]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 72). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 221 places, 158 transitions, 564 flow. Already constructed 721037 states. Currently 275415 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 129 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 782.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 782.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown