/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=33.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 19:03:08,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 19:03:08,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 19:03:09,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 19:03:09,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 19:03:09,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 19:03:09,041 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 19:03:09,045 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 19:03:09,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 19:03:09,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 19:03:09,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 19:03:09,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 19:03:09,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 19:03:09,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 19:03:09,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 19:03:09,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 19:03:09,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 19:03:09,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 19:03:09,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 19:03:09,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 19:03:09,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 19:03:09,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 19:03:09,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 19:03:09,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 19:03:09,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 19:03:09,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 19:03:09,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 19:03:09,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 19:03:09,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 19:03:09,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 19:03:09,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 19:03:09,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 19:03:09,092 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 19:03:09,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 19:03:09,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 19:03:09,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 19:03:09,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 19:03:09,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 19:03:09,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 19:03:09,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 19:03:09,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 19:03:09,099 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 [2020-10-06 19:03:09,138 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 19:03:09,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 19:03:09,140 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 19:03:09,140 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 19:03:09,140 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 19:03:09,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 19:03:09,141 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 19:03:09,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 19:03:09,141 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 19:03:09,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 19:03:09,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 19:03:09,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 19:03:09,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 19:03:09,143 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 19:03:09,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 19:03:09,144 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 19:03:09,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 19:03:09,144 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 19:03:09,144 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 19:03:09,145 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 19:03:09,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 19:03:09,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 19:03:09,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 19:03:09,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 19:03:09,146 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 19:03:09,146 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 19:03:09,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 19:03:09,146 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 19:03:09,146 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 19:03:09,146 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 19:03:09,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 19:03:09,453 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 19:03:09,457 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 19:03:09,458 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 19:03:09,461 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 19:03:09,462 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=33.bpl [2020-10-06 19:03:09,463 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=33.bpl' [2020-10-06 19:03:09,517 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 19:03:09,518 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 19:03:09,519 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 19:03:09,519 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 19:03:09,519 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 19:03:09,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:09" (1/1) ... [2020-10-06 19:03:09,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:09" (1/1) ... [2020-10-06 19:03:09,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 19:03:09,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 19:03:09,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 19:03:09,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 19:03:09,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:09" (1/1) ... [2020-10-06 19:03:09,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:09" (1/1) ... [2020-10-06 19:03:09,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:09" (1/1) ... [2020-10-06 19:03:09,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:09" (1/1) ... [2020-10-06 19:03:09,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:09" (1/1) ... [2020-10-06 19:03:09,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:09" (1/1) ... [2020-10-06 19:03:09,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:09" (1/1) ... [2020-10-06 19:03:09,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 19:03:09,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 19:03:09,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 19:03:09,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 19:03:09,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:09" (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 [2020-10-06 19:03:09,686 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-06 19:03:09,686 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-06 19:03:09,688 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-06 19:03:09,688 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-06 19:03:09,688 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-06 19:03:09,689 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-06 19:03:09,689 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-06 19:03:09,689 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-06 19:03:09,689 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-06 19:03:09,690 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-06 19:03:09,690 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-06 19:03:09,690 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-06 19:03:09,690 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-06 19:03:09,690 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-06 19:03:09,690 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-06 19:03:09,691 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-06 19:03:09,691 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-06 19:03:09,691 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-06 19:03:09,691 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 19:03:09,691 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 19:03:09,692 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 19:03:09,692 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 19:03:09,693 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 19:03:09,693 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 19:03:09,693 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-06 19:03:09,694 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-06 19:03:09,694 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-06 19:03:09,695 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-06 19:03:09,696 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-06 19:03:09,696 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-06 19:03:09,696 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 19:03:09,696 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 19:03:09,696 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 19:03:09,697 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 19:03:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 19:03:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 19:03:09,698 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 19:03:09,698 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 19:03:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 19:03:09,698 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 19:03:09,698 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 19:03:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 19:03:09,699 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 19:03:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 19:03:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 19:03:09,700 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 19:03:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 19:03:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 19:03:09,700 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 19:03:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 19:03:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 19:03:09,701 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 19:03:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 19:03:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 19:03:09,702 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 19:03:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 19:03:09,702 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 19:03:09,702 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 19:03:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 19:03:09,703 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 19:03:09,703 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 19:03:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 19:03:09,703 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 19:03:09,704 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 19:03:09,704 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 19:03:09,704 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 19:03:09,705 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-06 19:03:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-06 19:03:09,705 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-06 19:03:09,705 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 19:03:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 19:03:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 19:03:09,706 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 19:03:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 19:03:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 19:03:09,707 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 19:03:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 19:03:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 19:03:09,707 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 19:03:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 19:03:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 19:03:09,708 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 19:03:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 19:03:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 19:03:09,709 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-06 19:03:09,710 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-06 19:03:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-06 19:03:09,710 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 19:03:09,710 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 19:03:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 19:03:09,711 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-06 19:03:09,711 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-06 19:03:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-06 19:03:09,711 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 19:03:09,711 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 19:03:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 19:03:09,712 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-06 19:03:09,712 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-06 19:03:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-06 19:03:09,712 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 19:03:09,712 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 19:03:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 19:03:09,714 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 19:03:10,173 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 19:03:10,173 INFO L298 CfgBuilder]: Removed 33 assume(true) statements. [2020-10-06 19:03:10,175 INFO L202 PluginConnector]: Adding new model example2_N=33.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:03:10 BoogieIcfgContainer [2020-10-06 19:03:10,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 19:03:10,176 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 19:03:10,176 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 19:03:10,180 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 19:03:10,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:09" (1/2) ... [2020-10-06 19:03:10,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d5e31ed and model type example2_N=33.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 07:03:10, skipping insertion in model container [2020-10-06 19:03:10,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:03:10" (2/2) ... [2020-10-06 19:03:10,183 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=33.bpl [2020-10-06 19:03:10,194 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 19:03:10,194 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 19:03:10,201 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 19:03:10,202 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 19:03:10,817 INFO L253 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2020-10-06 19:03:10,838 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 19:03:10,838 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 19:03:10,838 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 19:03:10,838 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 19:03:10,838 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 19:03:10,838 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 19:03:10,839 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 19:03:10,839 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 19:03:10,858 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 19:03:10,861 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 269 places, 202 transitions, 668 flow [2020-10-06 19:03:10,864 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 269 places, 202 transitions, 668 flow [2020-10-06 19:03:10,866 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 269 places, 202 transitions, 668 flow [2020-10-06 19:03:10,981 INFO L129 PetriNetUnfolder]: 33/169 cut-off events. [2020-10-06 19:03:10,982 INFO L130 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2020-10-06 19:03:11,003 INFO L80 FinitePrefix]: Finished finitePrefix Result has 302 conditions, 169 events. 33/169 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 229 event pairs, 0 based on Foata normal form. 0/135 useless extension candidates. Maximal degree in co-relation 195. Up to 2 conditions per place. [2020-10-06 19:03:11,018 INFO L117 LiptonReduction]: Number of co-enabled transitions 15840 [2020-10-06 19:03:11,784 INFO L132 LiptonReduction]: Checked pairs total: 24992 [2020-10-06 19:03:11,785 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 19:03:11,790 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 267 places, 200 transitions, 664 flow Received shutdown request... [2020-10-06 19:16:53,028 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 19:16:53,031 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 19:16:53,031 INFO L202 PluginConnector]: Adding new model example2_N=33.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 07:16:53 BasicIcfg [2020-10-06 19:16:53,031 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 19:16:53,034 INFO L168 Benchmark]: Toolchain (without parser) took 823514.94 ms. Allocated memory was 253.8 MB in the beginning and 8.3 GB in the end (delta: 8.1 GB). Free memory was 227.6 MB in the beginning and 2.5 GB in the end (delta: -2.3 GB). Peak memory consumption was 7.0 GB. Max. memory is 14.2 GB. [2020-10-06 19:16:53,035 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.44 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. [2020-10-06 19:16:53,036 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.29 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. [2020-10-06 19:16:53,036 INFO L168 Benchmark]: Boogie Preprocessor took 45.31 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. [2020-10-06 19:16:53,037 INFO L168 Benchmark]: RCFGBuilder took 571.96 ms. Allocated memory is still 253.8 MB. Free memory was 225.1 MB in the beginning and 192.4 MB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 14.2 GB. [2020-10-06 19:16:53,044 INFO L168 Benchmark]: TraceAbstraction took 822855.27 ms. Allocated memory was 253.8 MB in the beginning and 8.3 GB in the end (delta: 8.1 GB). Free memory was 192.4 MB in the beginning and 2.5 GB in the end (delta: -2.3 GB). Peak memory consumption was 6.9 GB. Max. memory is 14.2 GB. [2020-10-06 19:16:53,047 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 0.44 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 38.29 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 45.31 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 571.96 ms. Allocated memory is still 253.8 MB. Free memory was 225.1 MB in the beginning and 192.4 MB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 14.2 GB. * TraceAbstraction took 822855.27 ms. Allocated memory was 253.8 MB in the beginning and 8.3 GB in the end (delta: 8.1 GB). Free memory was 192.4 MB in the beginning and 2.5 GB in the end (delta: -2.3 GB). Peak memory consumption was 6.9 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 4289 VarBasedMoverChecksPositive, 160 VarBasedMoverChecksNegative, 97 SemBasedMoverChecksPositive, 63 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 4318 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.9s, 269 PlacesBefore, 267 PlacesAfterwards, 202 TransitionsBefore, 200 TransitionsAfterwards, 15840 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 24992 MoverChecksTotal - TimeoutResultAtElement [Line: 76]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 76). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 267 places, 200 transitions, 664 flow. Already constructed 783545 states. Currently 391775 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 34 procedures, 170 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 822.1s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 822.1s, 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