/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=36.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 13:56:10,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 13:56:10,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 13:56:10,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 13:56:10,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 13:56:10,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 13:56:10,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 13:56:10,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 13:56:10,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 13:56:10,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 13:56:10,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 13:56:10,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 13:56:10,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 13:56:10,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 13:56:10,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 13:56:10,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 13:56:10,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 13:56:10,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 13:56:10,993 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 13:56:11,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 13:56:11,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 13:56:11,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 13:56:11,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 13:56:11,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 13:56:11,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 13:56:11,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 13:56:11,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 13:56:11,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 13:56:11,025 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 13:56:11,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 13:56:11,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 13:56:11,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 13:56:11,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 13:56:11,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 13:56:11,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 13:56:11,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 13:56:11,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 13:56:11,035 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 13:56:11,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 13:56:11,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 13:56:11,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 13:56:11,038 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 [2020-10-08 13:56:11,061 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 13:56:11,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 13:56:11,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 13:56:11,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 13:56:11,063 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 13:56:11,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 13:56:11,064 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 13:56:11,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 13:56:11,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 13:56:11,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 13:56:11,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 13:56:11,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 13:56:11,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 13:56:11,065 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 13:56:11,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 13:56:11,065 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 13:56:11,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 13:56:11,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 13:56:11,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 13:56:11,066 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 13:56:11,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 13:56:11,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 13:56:11,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 13:56:11,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 13:56:11,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 13:56:11,068 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 13:56:11,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 13:56:11,068 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 13:56:11,068 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 13:56:11,068 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 13:56:11,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 13:56:11,409 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 13:56:11,413 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 13:56:11,414 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 13:56:11,415 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 13:56:11,416 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=36.bpl [2020-10-08 13:56:11,417 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=36.bpl' [2020-10-08 13:56:11,484 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 13:56:11,487 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 13:56:11,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 13:56:11,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 13:56:11,488 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 13:56:11,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:11" (1/1) ... [2020-10-08 13:56:11,528 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:11" (1/1) ... [2020-10-08 13:56:11,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 13:56:11,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 13:56:11,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 13:56:11,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 13:56:11,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:11" (1/1) ... [2020-10-08 13:56:11,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:11" (1/1) ... [2020-10-08 13:56:11,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:11" (1/1) ... [2020-10-08 13:56:11,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:11" (1/1) ... [2020-10-08 13:56:11,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:11" (1/1) ... [2020-10-08 13:56:11,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:11" (1/1) ... [2020-10-08 13:56:11,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:11" (1/1) ... [2020-10-08 13:56:11,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 13:56:11,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 13:56:11,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 13:56:11,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 13:56:11,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:11" (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 [2020-10-08 13:56:11,718 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-08 13:56:11,718 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-08 13:56:11,720 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-08 13:56:11,720 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-08 13:56:11,720 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-08 13:56:11,721 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-08 13:56:11,721 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 13:56:11,721 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 13:56:11,721 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 13:56:11,721 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 13:56:11,722 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 13:56:11,722 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 13:56:11,722 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-08 13:56:11,722 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-08 13:56:11,722 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-08 13:56:11,723 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-08 13:56:11,723 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-08 13:56:11,723 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-08 13:56:11,723 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 13:56:11,724 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 13:56:11,724 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 13:56:11,724 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 13:56:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 13:56:11,725 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 13:56:11,732 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 13:56:11,733 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 13:56:11,734 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 13:56:11,735 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 13:56:11,735 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 13:56:11,735 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 13:56:11,735 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 13:56:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 13:56:11,736 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 13:56:11,737 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 13:56:11,737 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 13:56:11,738 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 13:56:11,738 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 13:56:11,738 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 13:56:11,738 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 13:56:11,738 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 13:56:11,739 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 13:56:11,739 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 13:56:11,739 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 13:56:11,740 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 13:56:11,740 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 13:56:11,740 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 13:56:11,740 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 13:56:11,741 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 13:56:11,741 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 13:56:11,741 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 13:56:11,741 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 13:56:11,742 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 13:56:11,742 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 13:56:11,742 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 13:56:11,742 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 13:56:11,743 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 13:56:11,743 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 13:56:11,743 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 13:56:11,743 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 13:56:11,744 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 13:56:11,744 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 13:56:11,744 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 13:56:11,744 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 13:56:11,745 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 13:56:11,745 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 13:56:11,745 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 13:56:11,746 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-08 13:56:11,746 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-08 13:56:11,746 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-08 13:56:11,747 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-08 13:56:11,747 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-08 13:56:11,747 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-08 13:56:11,748 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 13:56:11,748 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 13:56:11,748 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 13:56:11,748 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-08 13:56:11,748 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-08 13:56:11,749 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-08 13:56:11,749 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 13:56:11,749 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 13:56:11,749 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 13:56:11,749 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 13:56:11,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 13:56:11,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 13:56:11,750 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 13:56:11,751 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 13:56:11,751 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 13:56:11,752 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 13:56:11,752 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 13:56:11,752 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 13:56:11,752 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-08 13:56:11,752 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-08 13:56:11,753 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-08 13:56:11,753 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 13:56:11,753 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 13:56:11,753 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 13:56:11,753 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-08 13:56:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-08 13:56:11,754 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-08 13:56:11,754 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-08 13:56:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-08 13:56:11,754 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-08 13:56:11,755 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 13:56:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 13:56:11,755 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 13:56:11,755 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-08 13:56:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-08 13:56:11,755 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-08 13:56:11,757 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 13:56:11,757 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 13:56:11,760 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 13:56:11,762 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-08 13:56:12,193 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 13:56:12,193 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-10-08 13:56:12,196 INFO L202 PluginConnector]: Adding new model example2_N=36.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:56:12 BoogieIcfgContainer [2020-10-08 13:56:12,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 13:56:12,197 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 13:56:12,197 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 13:56:12,200 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 13:56:12,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:11" (1/2) ... [2020-10-08 13:56:12,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@765a5386 and model type example2_N=36.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 01:56:12, skipping insertion in model container [2020-10-08 13:56:12,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:56:12" (2/2) ... [2020-10-08 13:56:12,204 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=36.bpl [2020-10-08 13:56:12,215 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 13:56:12,215 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 13:56:12,226 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 13:56:12,231 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 13:56:12,912 INFO L253 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2020-10-08 13:56:12,933 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 13:56:12,934 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 13:56:12,934 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 13:56:12,934 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 13:56:12,934 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 13:56:12,934 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 13:56:12,934 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 13:56:12,935 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 13:56:12,952 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 13:56:12,955 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 293 places, 220 transitions, 728 flow [2020-10-08 13:56:12,958 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 293 places, 220 transitions, 728 flow [2020-10-08 13:56:12,960 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 293 places, 220 transitions, 728 flow [2020-10-08 13:56:13,118 INFO L129 PetriNetUnfolder]: 36/184 cut-off events. [2020-10-08 13:56:13,119 INFO L130 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2020-10-08 13:56:13,132 INFO L80 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 184 events. 36/184 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 253 event pairs, 0 based on Foata normal form. 0/147 useless extension candidates. Maximal degree in co-relation 213. Up to 2 conditions per place. [2020-10-08 13:56:13,150 INFO L117 LiptonReduction]: Number of co-enabled transitions 18900 [2020-10-08 13:56:14,027 INFO L132 LiptonReduction]: Checked pairs total: 29855 [2020-10-08 13:56:14,028 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 13:56:14,035 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 291 places, 218 transitions, 724 flow Received shutdown request... [2020-10-08 14:09:53,840 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 14:09:53,842 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 14:09:53,843 INFO L202 PluginConnector]: Adding new model example2_N=36.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 02:09:53 BasicIcfg [2020-10-08 14:09:53,843 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 14:09:53,846 INFO L168 Benchmark]: Toolchain (without parser) took 822358.75 ms. Allocated memory was 253.2 MB in the beginning and 8.3 GB in the end (delta: 8.0 GB). Free memory was 227.1 MB in the beginning and 2.7 GB in the end (delta: -2.5 GB). Peak memory consumption was 7.1 GB. Max. memory is 14.2 GB. [2020-10-08 14:09:53,847 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.20 ms. Allocated memory is still 253.2 MB. Free memory is still 229.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 14:09:53,847 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.98 ms. Allocated memory is still 253.2 MB. Free memory was 227.1 MB in the beginning and 224.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:09:53,848 INFO L168 Benchmark]: Boogie Preprocessor took 90.55 ms. Allocated memory is still 253.2 MB. Free memory is still 224.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 14:09:53,849 INFO L168 Benchmark]: RCFGBuilder took 564.29 ms. Allocated memory is still 253.2 MB. Free memory was 224.6 MB in the beginning and 189.3 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 14.2 GB. [2020-10-08 14:09:53,855 INFO L168 Benchmark]: TraceAbstraction took 821645.72 ms. Allocated memory was 253.2 MB in the beginning and 8.3 GB in the end (delta: 8.0 GB). Free memory was 189.3 MB in the beginning and 2.7 GB in the end (delta: -2.5 GB). Peak memory consumption was 7.1 GB. Max. memory is 14.2 GB. [2020-10-08 14:09:53,866 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 1.20 ms. Allocated memory is still 253.2 MB. Free memory is still 229.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 52.98 ms. Allocated memory is still 253.2 MB. Free memory was 227.1 MB in the beginning and 224.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 90.55 ms. Allocated memory is still 253.2 MB. Free memory is still 224.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * RCFGBuilder took 564.29 ms. Allocated memory is still 253.2 MB. Free memory was 224.6 MB in the beginning and 189.3 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 14.2 GB. * TraceAbstraction took 821645.72 ms. Allocated memory was 253.2 MB in the beginning and 8.3 GB in the end (delta: 8.0 GB). Free memory was 189.3 MB in the beginning and 2.7 GB in the end (delta: -2.5 GB). Peak memory consumption was 7.1 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 5112 VarBasedMoverChecksPositive, 176 VarBasedMoverChecksNegative, 107 SemBasedMoverChecksPositive, 69 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 5145 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.0s, 293 PlacesBefore, 291 PlacesAfterwards, 220 TransitionsBefore, 218 TransitionsAfterwards, 18900 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 29855 MoverChecksTotal - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 82). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 291 places, 218 transitions, 724 flow. Already constructed 811809 states. Currently 405907 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 185 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 820.9s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 820.9s, 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