/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=31.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 13:43:19,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 13:43:19,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 13:43:19,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 13:43:19,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 13:43:19,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 13:43:19,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 13:43:19,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 13:43:19,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 13:43:19,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 13:43:19,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 13:43:19,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 13:43:19,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 13:43:19,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 13:43:19,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 13:43:19,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 13:43:19,453 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 13:43:19,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 13:43:19,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 13:43:19,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 13:43:19,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 13:43:19,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 13:43:19,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 13:43:19,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 13:43:19,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 13:43:19,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 13:43:19,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 13:43:19,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 13:43:19,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 13:43:19,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 13:43:19,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 13:43:19,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 13:43:19,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 13:43:19,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 13:43:19,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 13:43:19,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 13:43:19,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 13:43:19,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 13:43:19,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 13:43:19,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 13:43:19,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 13:43:19,498 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 13:43:19,543 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 13:43:19,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 13:43:19,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 13:43:19,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 13:43:19,546 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 13:43:19,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 13:43:19,546 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 13:43:19,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 13:43:19,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 13:43:19,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 13:43:19,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 13:43:19,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 13:43:19,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 13:43:19,547 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 13:43:19,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 13:43:19,548 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 13:43:19,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 13:43:19,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 13:43:19,550 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 13:43:19,550 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 13:43:19,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 13:43:19,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 13:43:19,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 13:43:19,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 13:43:19,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 13:43:19,551 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 13:43:19,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 13:43:19,551 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 13:43:19,552 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 13:43:19,552 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 13:43:19,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 13:43:19,861 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 13:43:19,864 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 13:43:19,865 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 13:43:19,866 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 13:43:19,867 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=31.bpl [2020-10-08 13:43:19,868 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=31.bpl' [2020-10-08 13:43:19,923 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 13:43:19,925 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 13:43:19,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 13:43:19,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 13:43:19,926 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 13:43:19,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:43:19" (1/1) ... [2020-10-08 13:43:19,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:43:19" (1/1) ... [2020-10-08 13:43:19,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 13:43:19,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 13:43:19,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 13:43:19,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 13:43:19,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:43:19" (1/1) ... [2020-10-08 13:43:19,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:43:19" (1/1) ... [2020-10-08 13:43:19,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:43:19" (1/1) ... [2020-10-08 13:43:19,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:43:19" (1/1) ... [2020-10-08 13:43:19,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:43:19" (1/1) ... [2020-10-08 13:43:20,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:43:19" (1/1) ... [2020-10-08 13:43:20,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:43:19" (1/1) ... [2020-10-08 13:43:20,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 13:43:20,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 13:43:20,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 13:43:20,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 13:43:20,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:43:19" (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 13:43:20,094 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-08 13:43:20,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-08 13:43:20,096 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-08 13:43:20,096 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-08 13:43:20,097 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-08 13:43:20,097 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-08 13:43:20,097 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 13:43:20,097 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 13:43:20,098 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 13:43:20,098 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 13:43:20,098 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 13:43:20,098 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 13:43:20,098 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-08 13:43:20,099 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-08 13:43:20,099 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-08 13:43:20,099 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-08 13:43:20,099 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-08 13:43:20,099 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-08 13:43:20,100 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 13:43:20,100 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 13:43:20,100 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 13:43:20,100 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 13:43:20,101 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 13:43:20,101 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 13:43:20,108 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 13:43:20,109 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 13:43:20,110 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 13:43:20,111 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 13:43:20,111 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 13:43:20,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 13:43:20,112 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 13:43:20,112 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 13:43:20,112 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 13:43:20,113 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 13:43:20,113 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 13:43:20,113 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 13:43:20,114 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 13:43:20,114 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 13:43:20,114 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 13:43:20,114 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 13:43:20,114 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 13:43:20,115 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 13:43:20,115 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 13:43:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 13:43:20,116 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 13:43:20,116 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 13:43:20,116 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 13:43:20,116 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 13:43:20,117 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 13:43:20,117 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 13:43:20,117 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 13:43:20,117 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 13:43:20,118 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 13:43:20,118 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 13:43:20,118 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 13:43:20,118 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 13:43:20,118 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 13:43:20,119 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 13:43:20,119 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 13:43:20,119 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 13:43:20,120 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 13:43:20,120 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 13:43:20,120 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 13:43:20,120 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 13:43:20,120 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 13:43:20,121 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 13:43:20,122 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-08 13:43:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-08 13:43:20,122 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-08 13:43:20,122 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 13:43:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 13:43:20,123 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 13:43:20,123 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 13:43:20,123 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 13:43:20,123 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 13:43:20,124 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 13:43:20,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 13:43:20,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 13:43:20,124 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 13:43:20,125 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 13:43:20,125 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 13:43:20,125 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 13:43:20,125 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 13:43:20,125 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 13:43:20,126 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 13:43:20,127 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 13:43:20,127 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 13:43:20,128 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-08 13:43:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-08 13:43:20,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-08 13:43:20,128 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 13:43:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 13:43:20,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 13:43:20,129 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 13:43:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 13:43:20,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 13:43:20,131 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 13:43:20,611 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 13:43:20,611 INFO L298 CfgBuilder]: Removed 31 assume(true) statements. [2020-10-08 13:43:20,613 INFO L202 PluginConnector]: Adding new model example2_N=31.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:43:20 BoogieIcfgContainer [2020-10-08 13:43:20,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 13:43:20,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 13:43:20,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 13:43:20,618 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 13:43:20,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:43:19" (1/2) ... [2020-10-08 13:43:20,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3042251b and model type example2_N=31.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 01:43:20, skipping insertion in model container [2020-10-08 13:43:20,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:43:20" (2/2) ... [2020-10-08 13:43:20,621 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=31.bpl [2020-10-08 13:43:20,632 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 13:43:20,633 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 13:43:20,640 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 13:43:20,641 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 13:43:21,225 INFO L253 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2020-10-08 13:43:21,247 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 13:43:21,247 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 13:43:21,247 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 13:43:21,247 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 13:43:21,248 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 13:43:21,248 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 13:43:21,248 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 13:43:21,248 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 13:43:21,268 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 13:43:21,271 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 253 places, 190 transitions, 628 flow [2020-10-08 13:43:21,274 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 253 places, 190 transitions, 628 flow [2020-10-08 13:43:21,275 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 253 places, 190 transitions, 628 flow [2020-10-08 13:43:21,410 INFO L129 PetriNetUnfolder]: 31/159 cut-off events. [2020-10-08 13:43:21,411 INFO L130 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2020-10-08 13:43:21,431 INFO L80 FinitePrefix]: Finished finitePrefix Result has 284 conditions, 159 events. 31/159 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 221 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 183. Up to 2 conditions per place. [2020-10-08 13:43:21,445 INFO L117 LiptonReduction]: Number of co-enabled transitions 13950 [2020-10-08 13:43:22,581 INFO L132 LiptonReduction]: Checked pairs total: 21990 [2020-10-08 13:43:22,582 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 13:43:22,588 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 251 places, 188 transitions, 624 flow Received shutdown request... [2020-10-08 13:57:15,378 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 13:57:15,381 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 13:57:15,381 INFO L202 PluginConnector]: Adding new model example2_N=31.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 01:57:15 BasicIcfg [2020-10-08 13:57:15,381 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 13:57:15,384 INFO L168 Benchmark]: Toolchain (without parser) took 835458.83 ms. Allocated memory was 253.8 MB in the beginning and 7.4 GB in the end (delta: 7.1 GB). Free memory was 227.6 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 6.5 GB. Max. memory is 14.2 GB. [2020-10-08 13:57:15,390 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.42 ms. Allocated memory is still 253.8 MB. Free memory is still 230.1 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 13:57:15,392 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.27 ms. Allocated memory is still 253.8 MB. Free memory is still 227.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 13:57:15,394 INFO L168 Benchmark]: Boogie Preprocessor took 43.38 ms. Allocated memory is still 253.8 MB. Free memory was 227.6 MB in the beginning and 225.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 13:57:15,395 INFO L168 Benchmark]: RCFGBuilder took 604.94 ms. Allocated memory is still 253.8 MB. Free memory was 225.1 MB in the beginning and 194.9 MB in the end (delta: 30.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 14.2 GB. [2020-10-08 13:57:15,397 INFO L168 Benchmark]: TraceAbstraction took 834766.77 ms. Allocated memory was 253.8 MB in the beginning and 7.4 GB in the end (delta: 7.1 GB). Free memory was 192.3 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 6.4 GB. Max. memory is 14.2 GB. [2020-10-08 13:57:15,406 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 0.42 ms. Allocated memory is still 253.8 MB. Free memory is still 230.1 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 39.27 ms. Allocated memory is still 253.8 MB. Free memory is still 227.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 43.38 ms. Allocated memory is still 253.8 MB. Free memory was 227.6 MB in the beginning and 225.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 604.94 ms. Allocated memory is still 253.8 MB. Free memory was 225.1 MB in the beginning and 194.9 MB in the end (delta: 30.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 14.2 GB. * TraceAbstraction took 834766.77 ms. Allocated memory was 253.8 MB in the beginning and 7.4 GB in the end (delta: 7.1 GB). Free memory was 192.3 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 6.4 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 5602 VarBasedMoverChecksPositive, 210 VarBasedMoverChecksNegative, 121 SemBasedMoverChecksPositive, 89 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.8s, 5662 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.3s, 253 PlacesBefore, 251 PlacesAfterwards, 190 TransitionsBefore, 188 TransitionsAfterwards, 13950 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 21990 MoverChecksTotal - TimeoutResultAtElement [Line: 72]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 72). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 251 places, 188 transitions, 624 flow. Already constructed 770521 states. Currently 385264 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 160 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 834.1s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 834.1s, 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