/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=51.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b665a9c [2020-09-29 12:55:50,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-29 12:55:50,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-29 12:55:51,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-29 12:55:51,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-29 12:55:51,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-29 12:55:51,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-29 12:55:51,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-29 12:55:51,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-29 12:55:51,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-29 12:55:51,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-29 12:55:51,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-29 12:55:51,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-29 12:55:51,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-29 12:55:51,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-29 12:55:51,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-29 12:55:51,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-29 12:55:51,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-29 12:55:51,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-29 12:55:51,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-29 12:55:51,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-29 12:55:51,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-29 12:55:51,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-29 12:55:51,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-29 12:55:51,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-29 12:55:51,064 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-29 12:55:51,064 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-29 12:55:51,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-29 12:55:51,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-29 12:55:51,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-29 12:55:51,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-29 12:55:51,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-29 12:55:51,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-29 12:55:51,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-29 12:55:51,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-29 12:55:51,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-29 12:55:51,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-29 12:55:51,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-29 12:55:51,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-29 12:55:51,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-29 12:55:51,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-29 12:55:51,076 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 12:55:51,102 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-29 12:55:51,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-29 12:55:51,103 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-29 12:55:51,104 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-29 12:55:51,104 INFO L138 SettingsManager]: * Use SBE=true [2020-09-29 12:55:51,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-29 12:55:51,104 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-29 12:55:51,104 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-29 12:55:51,105 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-29 12:55:51,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-29 12:55:51,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-29 12:55:51,105 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-29 12:55:51,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-29 12:55:51,106 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-29 12:55:51,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-29 12:55:51,106 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-29 12:55:51,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-29 12:55:51,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-29 12:55:51,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-29 12:55:51,107 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-29 12:55:51,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-29 12:55:51,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 12:55:51,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-29 12:55:51,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-29 12:55:51,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-29 12:55:51,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-29 12:55:51,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-29 12:55:51,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-29 12:55:51,109 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-29 12:55:51,109 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-29 12:55:51,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-29 12:55:51,565 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-29 12:55:51,569 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-29 12:55:51,571 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-09-29 12:55:51,571 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-09-29 12:55:51,573 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=51.bpl [2020-09-29 12:55:51,573 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=51.bpl' [2020-09-29 12:55:51,647 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-29 12:55:51,653 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-29 12:55:51,654 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-29 12:55:51,654 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-29 12:55:51,655 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-29 12:55:51,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:55:51" (1/1) ... [2020-09-29 12:55:51,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:55:51" (1/1) ... [2020-09-29 12:55:51,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-29 12:55:51,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-29 12:55:51,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-29 12:55:51,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-29 12:55:51,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:55:51" (1/1) ... [2020-09-29 12:55:51,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:55:51" (1/1) ... [2020-09-29 12:55:51,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:55:51" (1/1) ... [2020-09-29 12:55:51,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:55:51" (1/1) ... [2020-09-29 12:55:51,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:55:51" (1/1) ... [2020-09-29 12:55:51,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:55:51" (1/1) ... [2020-09-29 12:55:51,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:55:51" (1/1) ... [2020-09-29 12:55:51,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-29 12:55:51,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-29 12:55:51,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-29 12:55:51,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-29 12:55:51,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:55:51" (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 12:55:51,870 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-09-29 12:55:51,870 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-09-29 12:55:51,872 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-09-29 12:55:51,872 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-09-29 12:55:51,873 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-09-29 12:55:51,873 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-09-29 12:55:51,873 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-09-29 12:55:51,873 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-09-29 12:55:51,873 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-09-29 12:55:51,874 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-09-29 12:55:51,874 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-09-29 12:55:51,874 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-09-29 12:55:51,874 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-09-29 12:55:51,874 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-09-29 12:55:51,875 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-09-29 12:55:51,875 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-09-29 12:55:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-09-29 12:55:51,875 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-09-29 12:55:51,875 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-09-29 12:55:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-09-29 12:55:51,877 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-09-29 12:55:51,877 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-09-29 12:55:51,877 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-09-29 12:55:51,878 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-09-29 12:55:51,885 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-09-29 12:55:51,886 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-09-29 12:55:51,886 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-09-29 12:55:51,888 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-09-29 12:55:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-09-29 12:55:51,888 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-09-29 12:55:51,889 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-09-29 12:55:51,889 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-09-29 12:55:51,889 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-09-29 12:55:51,889 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-09-29 12:55:51,890 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-29 12:55:51,891 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-29 12:55:51,891 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-09-29 12:55:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-29 12:55:51,891 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-29 12:55:51,892 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-09-29 12:55:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-09-29 12:55:51,892 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-09-29 12:55:51,893 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-09-29 12:55:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-09-29 12:55:51,893 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-09-29 12:55:51,893 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-09-29 12:55:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-09-29 12:55:51,894 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-09-29 12:55:51,894 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-09-29 12:55:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-09-29 12:55:51,894 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-09-29 12:55:51,895 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-09-29 12:55:51,895 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-09-29 12:55:51,895 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-09-29 12:55:51,896 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-09-29 12:55:51,896 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-09-29 12:55:51,896 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-09-29 12:55:51,896 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-09-29 12:55:51,896 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-09-29 12:55:51,897 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-09-29 12:55:51,897 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-09-29 12:55:51,897 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-09-29 12:55:51,897 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-09-29 12:55:51,898 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-09-29 12:55:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-09-29 12:55:51,898 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-09-29 12:55:51,899 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-09-29 12:55:51,899 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-09-29 12:55:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-09-29 12:55:51,900 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-09-29 12:55:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-09-29 12:55:51,900 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-09-29 12:55:51,900 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-09-29 12:55:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-09-29 12:55:51,901 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-09-29 12:55:51,901 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-09-29 12:55:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-09-29 12:55:51,901 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-09-29 12:55:51,901 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-09-29 12:55:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-09-29 12:55:51,902 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-09-29 12:55:51,902 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-09-29 12:55:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-09-29 12:55:51,902 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-09-29 12:55:51,903 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-09-29 12:55:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-09-29 12:55:51,904 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-09-29 12:55:51,904 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread41 given in one single declaration [2020-09-29 12:55:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure thread41 [2020-09-29 12:55:51,905 INFO L138 BoogieDeclarations]: Found implementation of procedure thread41 [2020-09-29 12:55:51,905 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-09-29 12:55:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-09-29 12:55:51,905 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-09-29 12:55:51,905 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread47 given in one single declaration [2020-09-29 12:55:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure thread47 [2020-09-29 12:55:51,906 INFO L138 BoogieDeclarations]: Found implementation of procedure thread47 [2020-09-29 12:55:51,906 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread46 given in one single declaration [2020-09-29 12:55:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure thread46 [2020-09-29 12:55:51,906 INFO L138 BoogieDeclarations]: Found implementation of procedure thread46 [2020-09-29 12:55:51,907 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread49 given in one single declaration [2020-09-29 12:55:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure thread49 [2020-09-29 12:55:51,907 INFO L138 BoogieDeclarations]: Found implementation of procedure thread49 [2020-09-29 12:55:51,907 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread48 given in one single declaration [2020-09-29 12:55:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure thread48 [2020-09-29 12:55:51,907 INFO L138 BoogieDeclarations]: Found implementation of procedure thread48 [2020-09-29 12:55:51,908 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread43 given in one single declaration [2020-09-29 12:55:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure thread43 [2020-09-29 12:55:51,908 INFO L138 BoogieDeclarations]: Found implementation of procedure thread43 [2020-09-29 12:55:51,909 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread42 given in one single declaration [2020-09-29 12:55:51,910 INFO L130 BoogieDeclarations]: Found specification of procedure thread42 [2020-09-29 12:55:51,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thread42 [2020-09-29 12:55:51,913 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread45 given in one single declaration [2020-09-29 12:55:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread45 [2020-09-29 12:55:51,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thread45 [2020-09-29 12:55:51,914 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread44 given in one single declaration [2020-09-29 12:55:51,914 INFO L130 BoogieDeclarations]: Found specification of procedure thread44 [2020-09-29 12:55:51,914 INFO L138 BoogieDeclarations]: Found implementation of procedure thread44 [2020-09-29 12:55:51,914 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-09-29 12:55:51,914 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-09-29 12:55:51,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-09-29 12:55:51,915 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-09-29 12:55:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-09-29 12:55:51,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-09-29 12:55:51,915 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-09-29 12:55:51,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-09-29 12:55:51,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-09-29 12:55:51,916 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread50 given in one single declaration [2020-09-29 12:55:51,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread50 [2020-09-29 12:55:51,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread50 [2020-09-29 12:55:51,917 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread51 given in one single declaration [2020-09-29 12:55:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure thread51 [2020-09-29 12:55:51,918 INFO L138 BoogieDeclarations]: Found implementation of procedure thread51 [2020-09-29 12:55:51,918 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-09-29 12:55:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-09-29 12:55:51,919 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-09-29 12:55:51,920 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-09-29 12:55:51,920 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-09-29 12:55:51,921 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-09-29 12:55:51,921 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-09-29 12:55:51,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-29 12:55:51,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-29 12:55:51,922 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-09-29 12:55:51,922 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-09-29 12:55:51,922 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-09-29 12:55:51,923 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-09-29 12:55:51,924 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-09-29 12:55:51,924 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-09-29 12:55:51,924 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-09-29 12:55:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-09-29 12:55:51,925 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-09-29 12:55:51,927 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-09-29 12:55:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-09-29 12:55:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-09-29 12:55:51,931 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-09-29 12:55:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-09-29 12:55:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-09-29 12:55:51,940 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 12:55:52,507 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-29 12:55:52,508 INFO L298 CfgBuilder]: Removed 51 assume(true) statements. [2020-09-29 12:55:52,514 INFO L202 PluginConnector]: Adding new model example2_N=51.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 12:55:52 BoogieIcfgContainer [2020-09-29 12:55:52,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-29 12:55:52,516 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-29 12:55:52,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-29 12:55:52,519 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-29 12:55:52,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:55:51" (1/2) ... [2020-09-29 12:55:52,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7c6fda and model type example2_N=51.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 12:55:52, skipping insertion in model container [2020-09-29 12:55:52,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 12:55:52" (2/2) ... [2020-09-29 12:55:52,523 INFO L109 eAbstractionObserver]: Analyzing ICFG example2_N=51.bpl [2020-09-29 12:55:52,535 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-29 12:55:52,535 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-29 12:55:52,546 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-29 12:55:52,547 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-29 12:55:53,663 INFO L251 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2020-09-29 12:55:53,690 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-29 12:55:53,691 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-29 12:55:53,691 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-29 12:55:53,691 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-29 12:55:53,691 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-29 12:55:53,691 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-29 12:55:53,691 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-29 12:55:53,692 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-29 12:55:53,719 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 362 places, 259 transitions, 926 flow [2020-09-29 12:55:53,722 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 362 places, 259 transitions, 926 flow [2020-09-29 12:55:53,878 INFO L129 PetriNetUnfolder]: 51/208 cut-off events. [2020-09-29 12:55:53,878 INFO L130 PetriNetUnfolder]: For 51/51 co-relation queries the response was YES. [2020-09-29 12:55:53,892 INFO L80 FinitePrefix]: Finished finitePrefix Result has 413 conditions, 208 events. 51/208 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 153 event pairs, 0 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 252. Up to 2 conditions per place. [2020-09-29 12:55:53,914 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 362 places, 259 transitions, 926 flow [2020-09-29 12:55:54,012 INFO L129 PetriNetUnfolder]: 51/208 cut-off events. [2020-09-29 12:55:54,013 INFO L130 PetriNetUnfolder]: For 51/51 co-relation queries the response was YES. [2020-09-29 12:55:54,019 INFO L80 FinitePrefix]: Finished finitePrefix Result has 413 conditions, 208 events. 51/208 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 153 event pairs, 0 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 252. Up to 2 conditions per place. [2020-09-29 12:55:54,041 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 20400 [2020-09-29 12:55:54,042 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-29 12:55:54,278 INFO L206 etLargeBlockEncoding]: Checked pairs total: 0 [2020-09-29 12:55:54,279 INFO L214 etLargeBlockEncoding]: Total number of compositions: 1 [2020-09-29 12:55:54,284 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 361 places, 258 transitions, 924 flow Received shutdown request... [2020-09-29 13:08:33,236 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-29 13:08:33,240 WARN L228 ceAbstractionStarter]: Timeout [2020-09-29 13:08:33,241 INFO L202 PluginConnector]: Adding new model example2_N=51.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 01:08:33 BasicIcfg [2020-09-29 13:08:33,241 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-29 13:08:33,246 INFO L168 Benchmark]: Toolchain (without parser) took 761594.44 ms. Allocated memory was 250.1 MB in the beginning and 11.8 GB in the end (delta: 11.5 GB). Free memory was 224.8 MB in the beginning and 2.9 GB in the end (delta: -2.6 GB). Peak memory consumption was 10.5 GB. Max. memory is 14.2 GB. [2020-09-29 13:08:33,247 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 250.1 MB. Free memory is still 227.3 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 13:08:33,248 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.80 ms. Allocated memory is still 250.1 MB. Free memory was 223.9 MB in the beginning and 222.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-09-29 13:08:33,249 INFO L168 Benchmark]: Boogie Preprocessor took 61.57 ms. Allocated memory is still 250.1 MB. Free memory was 222.3 MB in the beginning and 219.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-09-29 13:08:33,250 INFO L168 Benchmark]: RCFGBuilder took 748.06 ms. Allocated memory is still 250.1 MB. Free memory was 219.7 MB in the beginning and 181.0 MB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 14.2 GB. [2020-09-29 13:08:33,251 INFO L168 Benchmark]: TraceAbstraction took 760725.39 ms. Allocated memory was 250.1 MB in the beginning and 11.8 GB in the end (delta: 11.5 GB). Free memory was 180.1 MB in the beginning and 2.9 GB in the end (delta: -2.7 GB). Peak memory consumption was 10.4 GB. Max. memory is 14.2 GB. [2020-09-29 13:08:33,256 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 0.22 ms. Allocated memory is still 250.1 MB. Free memory is still 227.3 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 49.80 ms. Allocated memory is still 250.1 MB. Free memory was 223.9 MB in the beginning and 222.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 61.57 ms. Allocated memory is still 250.1 MB. Free memory was 222.3 MB in the beginning and 219.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 748.06 ms. Allocated memory is still 250.1 MB. Free memory was 219.7 MB in the beginning and 181.0 MB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 14.2 GB. * TraceAbstraction took 760725.39 ms. Allocated memory was 250.1 MB in the beginning and 11.8 GB in the end (delta: 11.5 GB). Free memory was 180.1 MB in the beginning and 2.9 GB in the end (delta: -2.7 GB). Peak memory consumption was 10.4 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.5s, 362 ProgramPointsBefore, 361 ProgramPointsAfterwards, 259 TransitionsBefore, 258 TransitionsAfterwards, 20400 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: 112]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 112). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 361 places, 258 transitions, 924 flow. Already constructed 853847 states. Currently 326142 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 52 procedures, 209 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 759.5s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 759.5s, 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