/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/automizer/concurrent/VMCAI2021_FA.epf -i ../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=32.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b665a9c [2020-09-29 13:36:38,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-29 13:36:38,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-29 13:36:39,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-29 13:36:39,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-29 13:36:39,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-29 13:36:39,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-29 13:36:39,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-29 13:36:39,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-29 13:36:39,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-29 13:36:39,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-29 13:36:39,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-29 13:36:39,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-29 13:36:39,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-29 13:36:39,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-29 13:36:39,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-29 13:36:39,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-29 13:36:39,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-29 13:36:39,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-29 13:36:39,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-29 13:36:39,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-29 13:36:39,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-29 13:36:39,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-29 13:36:39,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-29 13:36:39,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-29 13:36:39,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-29 13:36:39,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-29 13:36:39,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-29 13:36:39,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-29 13:36:39,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-29 13:36:39,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-29 13:36:39,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-29 13:36:39,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-29 13:36:39,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-29 13:36:39,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-29 13:36:39,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-29 13:36:39,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-29 13:36:39,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-29 13:36:39,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-29 13:36:39,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-29 13:36:39,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-29 13:36:39,070 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_FA.epf [2020-09-29 13:36:39,102 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-29 13:36:39,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-29 13:36:39,104 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-29 13:36:39,104 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-29 13:36:39,105 INFO L138 SettingsManager]: * Use SBE=true [2020-09-29 13:36:39,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-29 13:36:39,105 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-29 13:36:39,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-29 13:36:39,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-29 13:36:39,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-29 13:36:39,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-29 13:36:39,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-29 13:36:39,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-29 13:36:39,107 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-29 13:36:39,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-29 13:36:39,107 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-29 13:36:39,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-29 13:36:39,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-29 13:36:39,108 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-29 13:36:39,108 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-29 13:36:39,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-29 13:36:39,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 13:36:39,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-29 13:36:39,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-29 13:36:39,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-29 13:36:39,109 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-09-29 13:36:39,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-29 13:36:39,110 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-09-29 13:36:39,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-29 13:36:39,110 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-29 13:36:39,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-29 13:36:39,578 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-29 13:36:39,582 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-29 13:36:39,584 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-09-29 13:36:39,585 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-09-29 13:36:39,586 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=32.bpl [2020-09-29 13:36:39,586 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=32.bpl' [2020-09-29 13:36:39,648 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-29 13:36:39,655 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-29 13:36:39,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-29 13:36:39,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-29 13:36:39,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-29 13:36:39,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:36:39" (1/1) ... [2020-09-29 13:36:39,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:36:39" (1/1) ... [2020-09-29 13:36:39,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-29 13:36:39,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-29 13:36:39,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-29 13:36:39,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-29 13:36:39,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:36:39" (1/1) ... [2020-09-29 13:36:39,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:36:39" (1/1) ... [2020-09-29 13:36:39,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:36:39" (1/1) ... [2020-09-29 13:36:39,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:36:39" (1/1) ... [2020-09-29 13:36:39,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:36:39" (1/1) ... [2020-09-29 13:36:39,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:36:39" (1/1) ... [2020-09-29 13:36:39,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:36:39" (1/1) ... [2020-09-29 13:36:39,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-29 13:36:39,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-29 13:36:39,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-29 13:36:39,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-29 13:36:39,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:36:39" (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 13:36:39,860 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-09-29 13:36:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-09-29 13:36:39,861 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-09-29 13:36:39,862 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-09-29 13:36:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-09-29 13:36:39,862 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-09-29 13:36:39,863 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-09-29 13:36:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-09-29 13:36:39,863 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-09-29 13:36:39,863 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-09-29 13:36:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-09-29 13:36:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-09-29 13:36:39,864 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-09-29 13:36:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-09-29 13:36:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-09-29 13:36:39,865 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-09-29 13:36:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-09-29 13:36:39,865 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-09-29 13:36:39,866 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-09-29 13:36:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-09-29 13:36:39,867 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-09-29 13:36:39,867 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-09-29 13:36:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-09-29 13:36:39,868 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-09-29 13:36:39,875 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-09-29 13:36:39,876 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-09-29 13:36:39,876 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-09-29 13:36:39,877 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-09-29 13:36:39,877 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-09-29 13:36:39,877 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-09-29 13:36:39,877 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-09-29 13:36:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-09-29 13:36:39,878 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-09-29 13:36:39,878 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-09-29 13:36:39,879 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-09-29 13:36:39,879 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-09-29 13:36:39,879 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-09-29 13:36:39,880 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-09-29 13:36:39,880 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-09-29 13:36:39,880 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-09-29 13:36:39,880 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-29 13:36:39,880 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-29 13:36:39,880 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-09-29 13:36:39,881 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-29 13:36:39,881 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-29 13:36:39,881 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-09-29 13:36:39,882 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-09-29 13:36:39,882 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-09-29 13:36:39,882 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-09-29 13:36:39,882 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-09-29 13:36:39,883 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-09-29 13:36:39,883 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-09-29 13:36:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-09-29 13:36:39,883 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-09-29 13:36:39,884 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-09-29 13:36:39,884 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-09-29 13:36:39,884 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-09-29 13:36:39,884 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-09-29 13:36:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-09-29 13:36:39,885 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-09-29 13:36:39,885 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-09-29 13:36:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-09-29 13:36:39,885 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-09-29 13:36:39,886 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-09-29 13:36:39,886 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-09-29 13:36:39,887 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-09-29 13:36:39,887 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-09-29 13:36:39,887 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-09-29 13:36:39,888 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-09-29 13:36:39,888 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-09-29 13:36:39,888 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-09-29 13:36:39,888 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-09-29 13:36:39,888 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-09-29 13:36:39,889 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-09-29 13:36:39,889 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-09-29 13:36:39,889 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-09-29 13:36:39,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-29 13:36:39,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-29 13:36:39,890 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-09-29 13:36:39,890 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-09-29 13:36:39,890 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-09-29 13:36:39,890 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-09-29 13:36:39,890 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-09-29 13:36:39,891 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-09-29 13:36:39,891 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-09-29 13:36:39,892 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-09-29 13:36:39,892 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-09-29 13:36:39,893 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-09-29 13:36:39,893 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-09-29 13:36:39,893 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-09-29 13:36:39,893 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-09-29 13:36:39,893 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-09-29 13:36:39,893 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-09-29 13:36:39,894 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-09-29 13:36:39,894 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-09-29 13:36:39,894 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-09-29 13:36:39,894 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-09-29 13:36:39,894 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-09-29 13:36:39,894 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-09-29 13:36:39,897 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 13:36:40,269 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-29 13:36:40,269 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-09-29 13:36:40,275 INFO L202 PluginConnector]: Adding new model example2_N=32.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 01:36:40 BoogieIcfgContainer [2020-09-29 13:36:40,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-29 13:36:40,276 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-29 13:36:40,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-29 13:36:40,280 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-29 13:36:40,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:36:39" (1/2) ... [2020-09-29 13:36:40,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65eaa133 and model type example2_N=32.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 01:36:40, skipping insertion in model container [2020-09-29 13:36:40,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=32.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 01:36:40" (2/2) ... [2020-09-29 13:36:40,285 INFO L109 eAbstractionObserver]: Analyzing ICFG example2_N=32.bpl [2020-09-29 13:36:40,297 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-29 13:36:40,297 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-29 13:36:40,307 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-29 13:36:40,308 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-29 13:36:40,909 INFO L251 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2020-09-29 13:36:40,937 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-29 13:36:40,938 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-29 13:36:40,938 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-29 13:36:40,938 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-29 13:36:40,938 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-29 13:36:40,938 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-29 13:36:40,938 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-29 13:36:40,938 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-29 13:36:40,970 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 229 places, 164 transitions, 584 flow Received shutdown request... [2020-09-29 13:49:33,964 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-29 13:49:33,970 WARN L228 ceAbstractionStarter]: Timeout [2020-09-29 13:49:33,971 INFO L202 PluginConnector]: Adding new model example2_N=32.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 01:49:33 BasicIcfg [2020-09-29 13:49:33,971 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-29 13:49:33,975 INFO L168 Benchmark]: Toolchain (without parser) took 774323.45 ms. Allocated memory was 249.6 MB in the beginning and 10.5 GB in the end (delta: 10.2 GB). Free memory was 223.4 MB in the beginning and 2.2 GB in the end (delta: -1.9 GB). Peak memory consumption was 9.6 GB. Max. memory is 14.2 GB. [2020-09-29 13:49:33,976 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.30 ms. Allocated memory is still 249.6 MB. Free memory is still 225.9 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 13:49:33,977 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.39 ms. Allocated memory is still 249.6 MB. Free memory was 223.4 MB in the beginning and 220.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-09-29 13:49:33,977 INFO L168 Benchmark]: Boogie Preprocessor took 48.54 ms. Allocated memory is still 249.6 MB. Free memory is still 220.9 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 13:49:33,978 INFO L168 Benchmark]: RCFGBuilder took 521.44 ms. Allocated memory is still 249.6 MB. Free memory was 220.9 MB in the beginning and 193.2 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 14.2 GB. [2020-09-29 13:49:33,980 INFO L168 Benchmark]: TraceAbstraction took 773694.78 ms. Allocated memory was 249.6 MB in the beginning and 10.5 GB in the end (delta: 10.2 GB). Free memory was 193.2 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 9.6 GB. Max. memory is 14.2 GB. [2020-09-29 13:49:33,984 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 0.30 ms. Allocated memory is still 249.6 MB. Free memory is still 225.9 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 48.39 ms. Allocated memory is still 249.6 MB. Free memory was 223.4 MB in the beginning and 220.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 48.54 ms. Allocated memory is still 249.6 MB. Free memory is still 220.9 MB. There was no memory consumed. Max. memory is 14.2 GB. * RCFGBuilder took 521.44 ms. Allocated memory is still 249.6 MB. Free memory was 220.9 MB in the beginning and 193.2 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 14.2 GB. * TraceAbstraction took 773694.78 ms. Allocated memory was 249.6 MB in the beginning and 10.5 GB in the end (delta: 10.2 GB). Free memory was 193.2 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 9.6 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 74). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 229 places, 164 transitions, 584 flow. Already constructed 860806 states. Currently 328808 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 33 procedures, 133 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 773.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 773.0s, 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