/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_FA.epf -i ../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=30.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 15:22:00,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 15:22:00,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 15:22:00,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 15:22:00,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 15:22:00,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 15:22:00,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 15:22:00,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 15:22:00,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 15:22:00,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 15:22:00,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 15:22:00,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 15:22:00,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 15:22:00,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 15:22:00,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 15:22:00,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 15:22:00,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 15:22:00,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 15:22:00,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 15:22:00,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 15:22:00,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 15:22:00,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 15:22:00,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 15:22:00,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 15:22:00,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 15:22:00,957 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 15:22:00,957 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 15:22:00,958 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 15:22:00,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 15:22:00,962 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 15:22:00,962 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 15:22:00,963 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 15:22:00,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 15:22:00,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 15:22:00,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 15:22:00,968 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 15:22:00,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 15:22:00,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 15:22:00,969 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 15:22:00,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 15:22:00,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 15:22:00,972 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_FA.epf [2020-10-08 15:22:01,010 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 15:22:01,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 15:22:01,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 15:22:01,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 15:22:01,013 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 15:22:01,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 15:22:01,013 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 15:22:01,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 15:22:01,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 15:22:01,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 15:22:01,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 15:22:01,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 15:22:01,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 15:22:01,016 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 15:22:01,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 15:22:01,016 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 15:22:01,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 15:22:01,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 15:22:01,017 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 15:22:01,017 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 15:22:01,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 15:22:01,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 15:22:01,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 15:22:01,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 15:22:01,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 15:22:01,018 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-10-08 15:22:01,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 15:22:01,018 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-08 15:22:01,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 15:22:01,019 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 15:22:01,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 15:22:01,317 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 15:22:01,320 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 15:22:01,322 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 15:22:01,322 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 15:22:01,323 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=30.bpl [2020-10-08 15:22:01,323 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=30.bpl' [2020-10-08 15:22:01,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 15:22:01,374 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 15:22:01,375 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 15:22:01,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 15:22:01,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 15:22:01,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:22:01" (1/1) ... [2020-10-08 15:22:01,404 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:22:01" (1/1) ... [2020-10-08 15:22:01,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 15:22:01,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 15:22:01,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 15:22:01,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 15:22:01,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:22:01" (1/1) ... [2020-10-08 15:22:01,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:22:01" (1/1) ... [2020-10-08 15:22:01,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:22:01" (1/1) ... [2020-10-08 15:22:01,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:22:01" (1/1) ... [2020-10-08 15:22:01,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:22:01" (1/1) ... [2020-10-08 15:22:01,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:22:01" (1/1) ... [2020-10-08 15:22:01,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:22:01" (1/1) ... [2020-10-08 15:22:01,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 15:22:01,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 15:22:01,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 15:22:01,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 15:22:01,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:22:01" (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 15:22:01,542 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-08 15:22:01,542 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-08 15:22:01,542 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-08 15:22:01,543 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-08 15:22:01,543 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-08 15:22:01,543 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-08 15:22:01,543 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 15:22:01,543 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 15:22:01,544 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 15:22:01,544 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 15:22:01,544 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 15:22:01,544 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 15:22:01,544 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-08 15:22:01,545 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-08 15:22:01,545 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-08 15:22:01,545 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-08 15:22:01,545 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-08 15:22:01,545 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-08 15:22:01,546 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 15:22:01,546 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 15:22:01,546 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 15:22:01,546 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 15:22:01,546 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 15:22:01,546 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 15:22:01,547 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 15:22:01,547 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 15:22:01,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 15:22:01,547 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 15:22:01,548 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 15:22:01,548 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 15:22:01,548 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 15:22:01,548 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 15:22:01,548 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 15:22:01,548 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 15:22:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 15:22:01,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 15:22:01,549 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 15:22:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 15:22:01,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 15:22:01,550 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 15:22:01,550 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 15:22:01,550 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 15:22:01,550 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 15:22:01,550 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 15:22:01,550 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 15:22:01,551 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 15:22:01,551 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 15:22:01,551 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 15:22:01,551 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 15:22:01,551 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 15:22:01,551 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 15:22:01,552 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 15:22:01,552 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 15:22:01,552 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 15:22:01,552 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 15:22:01,552 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 15:22:01,552 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 15:22:01,553 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 15:22:01,553 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 15:22:01,553 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 15:22:01,553 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 15:22:01,553 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 15:22:01,554 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 15:22:01,554 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 15:22:01,554 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 15:22:01,554 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 15:22:01,554 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-08 15:22:01,555 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-08 15:22:01,555 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-08 15:22:01,555 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 15:22:01,555 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 15:22:01,555 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 15:22:01,556 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 15:22:01,556 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 15:22:01,556 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 15:22:01,556 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 15:22:01,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 15:22:01,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 15:22:01,557 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 15:22:01,557 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 15:22:01,557 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 15:22:01,557 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 15:22:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 15:22:01,558 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 15:22:01,558 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 15:22:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 15:22:01,558 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 15:22:01,558 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 15:22:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 15:22:01,559 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 15:22:01,559 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 15:22:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 15:22:01,559 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 15:22:01,561 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 15:22:02,029 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 15:22:02,030 INFO L298 CfgBuilder]: Removed 30 assume(true) statements. [2020-10-08 15:22:02,032 INFO L202 PluginConnector]: Adding new model example2_N=30.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 03:22:02 BoogieIcfgContainer [2020-10-08 15:22:02,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 15:22:02,034 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 15:22:02,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 15:22:02,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 15:22:02,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:22:01" (1/2) ... [2020-10-08 15:22:02,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41a4690 and model type example2_N=30.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 03:22:02, skipping insertion in model container [2020-10-08 15:22:02,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 03:22:02" (2/2) ... [2020-10-08 15:22:02,045 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=30.bpl [2020-10-08 15:22:02,057 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 15:22:02,057 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 15:22:02,067 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 15:22:02,069 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 15:22:02,679 INFO L253 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2020-10-08 15:22:02,702 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 15:22:02,703 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 15:22:02,703 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 15:22:02,703 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 15:22:02,703 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 15:22:02,703 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 15:22:02,704 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 15:22:02,704 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 15:22:02,726 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 245 places, 184 transitions, 608 flow