/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=34.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 13:56:03,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 13:56:03,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 13:56:03,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 13:56:03,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 13:56:03,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 13:56:03,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 13:56:03,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 13:56:03,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 13:56:03,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 13:56:03,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 13:56:03,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 13:56:03,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 13:56:03,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 13:56:03,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 13:56:03,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 13:56:03,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 13:56:03,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 13:56:03,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 13:56:03,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 13:56:03,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 13:56:03,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 13:56:03,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 13:56:03,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 13:56:03,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 13:56:03,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 13:56:03,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 13:56:03,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 13:56:03,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 13:56:03,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 13:56:03,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 13:56:03,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 13:56:03,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 13:56:03,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 13:56:03,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 13:56:03,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 13:56:03,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 13:56:03,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 13:56:03,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 13:56:03,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 13:56:03,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 13:56:03,569 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-08 13:56:03,595 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 13:56:03,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 13:56:03,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 13:56:03,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 13:56:03,596 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 13:56:03,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 13:56:03,597 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 13:56:03,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 13:56:03,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 13:56:03,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 13:56:03,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 13:56:03,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 13:56:03,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 13:56:03,598 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 13:56:03,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 13:56:03,599 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 13:56:03,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 13:56:03,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 13:56:03,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 13:56:03,600 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 13:56:03,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 13:56:03,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 13:56:03,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 13:56:03,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 13:56:03,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 13:56:03,601 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 13:56:03,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 13:56:03,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 13:56:03,601 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 13:56:03,602 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 13:56:03,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 13:56:03,890 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 13:56:03,893 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 13:56:03,894 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 13:56:03,895 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 13:56:03,895 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=34.bpl [2020-10-08 13:56:03,896 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=34.bpl' [2020-10-08 13:56:03,949 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 13:56:03,951 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 13:56:03,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 13:56:03,952 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 13:56:03,952 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 13:56:03,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:03" (1/1) ... [2020-10-08 13:56:03,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:03" (1/1) ... [2020-10-08 13:56:03,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 13:56:03,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 13:56:03,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 13:56:03,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 13:56:04,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:03" (1/1) ... [2020-10-08 13:56:04,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:03" (1/1) ... [2020-10-08 13:56:04,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:03" (1/1) ... [2020-10-08 13:56:04,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:03" (1/1) ... [2020-10-08 13:56:04,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:03" (1/1) ... [2020-10-08 13:56:04,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:03" (1/1) ... [2020-10-08 13:56:04,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:03" (1/1) ... [2020-10-08 13:56:04,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 13:56:04,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 13:56:04,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 13:56:04,037 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 13:56:04,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 13:56:04,117 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-08 13:56:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-08 13:56:04,117 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-08 13:56:04,117 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-08 13:56:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-08 13:56:04,118 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-08 13:56:04,118 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 13:56:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 13:56:04,118 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 13:56:04,119 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 13:56:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 13:56:04,119 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 13:56:04,119 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-08 13:56:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-08 13:56:04,120 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-08 13:56:04,120 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-08 13:56:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-08 13:56:04,120 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-08 13:56:04,120 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 13:56:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 13:56:04,121 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 13:56:04,121 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 13:56:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 13:56:04,121 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 13:56:04,122 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 13:56:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 13:56:04,122 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 13:56:04,122 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 13:56:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 13:56:04,123 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 13:56:04,123 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 13:56:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 13:56:04,123 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 13:56:04,123 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 13:56:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 13:56:04,124 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 13:56:04,124 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 13:56:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 13:56:04,124 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 13:56:04,124 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 13:56:04,125 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 13:56:04,125 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 13:56:04,125 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 13:56:04,125 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 13:56:04,125 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 13:56:04,126 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 13:56:04,126 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 13:56:04,126 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 13:56:04,126 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 13:56:04,126 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 13:56:04,126 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 13:56:04,127 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 13:56:04,127 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 13:56:04,127 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 13:56:04,127 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 13:56:04,127 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 13:56:04,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 13:56:04,128 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 13:56:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 13:56:04,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 13:56:04,128 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 13:56:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 13:56:04,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 13:56:04,129 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 13:56:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 13:56:04,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 13:56:04,130 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-08 13:56:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-08 13:56:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-08 13:56:04,130 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 13:56:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 13:56:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 13:56:04,131 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 13:56:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 13:56:04,131 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 13:56:04,131 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 13:56:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 13:56:04,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 13:56:04,132 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 13:56:04,132 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 13:56:04,132 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 13:56:04,132 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 13:56:04,132 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 13:56:04,133 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 13:56:04,133 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-08 13:56:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-08 13:56:04,133 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-08 13:56:04,133 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 13:56:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 13:56:04,134 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 13:56:04,134 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-08 13:56:04,134 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-08 13:56:04,134 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-08 13:56:04,134 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-08 13:56:04,135 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-08 13:56:04,135 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-08 13:56:04,135 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 13:56:04,135 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 13:56:04,135 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 13:56:04,135 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-08 13:56:04,136 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-08 13:56:04,136 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-08 13:56:04,136 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 13:56:04,136 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 13:56:04,136 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 13:56:04,138 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-08 13:56:04,604 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 13:56:04,605 INFO L298 CfgBuilder]: Removed 34 assume(true) statements. [2020-10-08 13:56:04,607 INFO L202 PluginConnector]: Adding new model example2_N=34.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:56:04 BoogieIcfgContainer [2020-10-08 13:56:04,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 13:56:04,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 13:56:04,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 13:56:04,611 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 13:56:04,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:03" (1/2) ... [2020-10-08 13:56:04,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7c58a2 and model type example2_N=34.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 01:56:04, skipping insertion in model container [2020-10-08 13:56:04,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=34.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:56:04" (2/2) ... [2020-10-08 13:56:04,615 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=34.bpl [2020-10-08 13:56:04,625 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 13:56:04,626 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 13:56:04,634 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 13:56:04,635 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 13:56:05,140 INFO L253 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2020-10-08 13:56:05,161 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 13:56:05,161 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 13:56:05,161 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 13:56:05,161 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 13:56:05,161 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 13:56:05,161 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 13:56:05,162 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 13:56:05,162 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 13:56:05,188 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 13:56:05,192 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 277 places, 208 transitions, 688 flow [2020-10-08 13:56:05,194 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 277 places, 208 transitions, 688 flow [2020-10-08 13:56:05,196 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 277 places, 208 transitions, 688 flow [2020-10-08 13:56:05,311 INFO L129 PetriNetUnfolder]: 34/174 cut-off events. [2020-10-08 13:56:05,312 INFO L130 PetriNetUnfolder]: For 34/34 co-relation queries the response was YES. [2020-10-08 13:56:05,327 INFO L80 FinitePrefix]: Finished finitePrefix Result has 311 conditions, 174 events. 34/174 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 221 event pairs, 0 based on Foata normal form. 0/139 useless extension candidates. Maximal degree in co-relation 201. Up to 2 conditions per place. [2020-10-08 13:56:05,345 INFO L117 LiptonReduction]: Number of co-enabled transitions 16830 [2020-10-08 13:56:06,082 INFO L132 LiptonReduction]: Checked pairs total: 26565 [2020-10-08 13:56:06,082 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 13:56:06,088 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 275 places, 206 transitions, 684 flow Received shutdown request... [2020-10-08 14:09:42,106 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 14:09:42,109 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 14:09:42,109 INFO L202 PluginConnector]: Adding new model example2_N=34.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 02:09:42 BasicIcfg [2020-10-08 14:09:42,109 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 14:09:42,115 INFO L168 Benchmark]: Toolchain (without parser) took 818160.64 ms. Allocated memory was 253.8 MB in the beginning and 8.5 GB in the end (delta: 8.3 GB). Free memory was 227.6 MB in the beginning and 3.3 GB in the end (delta: -3.1 GB). Peak memory consumption was 7.2 GB. Max. memory is 14.2 GB. [2020-10-08 14:09:42,116 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 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 14:09:42,118 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.89 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 14:09:42,120 INFO L168 Benchmark]: Boogie Preprocessor took 43.78 ms. Allocated memory is still 253.8 MB. Free memory is still 225.1 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 14:09:42,123 INFO L168 Benchmark]: RCFGBuilder took 570.22 ms. Allocated memory is still 253.8 MB. Free memory was 225.1 MB in the beginning and 192.3 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 14.2 GB. [2020-10-08 14:09:42,127 INFO L168 Benchmark]: TraceAbstraction took 817501.52 ms. Allocated memory was 253.8 MB in the beginning and 8.5 GB in the end (delta: 8.3 GB). Free memory was 189.8 MB in the beginning and 3.3 GB in the end (delta: -3.1 GB). Peak memory consumption was 7.2 GB. Max. memory is 14.2 GB. [2020-10-08 14:09:42,137 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 0.17 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 40.89 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. * Boogie Preprocessor took 43.78 ms. Allocated memory is still 253.8 MB. Free memory is still 225.1 MB. There was no memory consumed. Max. memory is 14.2 GB. * RCFGBuilder took 570.22 ms. Allocated memory is still 253.8 MB. Free memory was 225.1 MB in the beginning and 192.3 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 14.2 GB. * TraceAbstraction took 817501.52 ms. Allocated memory was 253.8 MB in the beginning and 8.5 GB in the end (delta: 8.3 GB). Free memory was 189.8 MB in the beginning and 3.3 GB in the end (delta: -3.1 GB). Peak memory consumption was 7.2 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 4522 VarBasedMoverChecksPositive, 165 VarBasedMoverChecksNegative, 99 SemBasedMoverChecksPositive, 66 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 4554 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.8s, 277 PlacesBefore, 275 PlacesAfterwards, 208 TransitionsBefore, 206 TransitionsAfterwards, 16830 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 26565 MoverChecksTotal - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 78). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 275 places, 206 transitions, 684 flow. Already constructed 842273 states. Currently 421136 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 175 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 816.9s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 816.9s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown