/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=39.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 19:07:37,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 19:07:37,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 19:07:37,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 19:07:37,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 19:07:37,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 19:07:37,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 19:07:37,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 19:07:37,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 19:07:37,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 19:07:37,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 19:07:37,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 19:07:37,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 19:07:37,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 19:07:37,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 19:07:37,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 19:07:37,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 19:07:37,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 19:07:37,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 19:07:37,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 19:07:37,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 19:07:37,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 19:07:37,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 19:07:37,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 19:07:37,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 19:07:37,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 19:07:37,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 19:07:37,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 19:07:37,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 19:07:37,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 19:07:37,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 19:07:37,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 19:07:37,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 19:07:37,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 19:07:37,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 19:07:37,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 19:07:37,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 19:07:37,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 19:07:37,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 19:07:37,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 19:07:37,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 19:07:37,399 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 19:07:37,423 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 19:07:37,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 19:07:37,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 19:07:37,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 19:07:37,425 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 19:07:37,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 19:07:37,425 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 19:07:37,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 19:07:37,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 19:07:37,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 19:07:37,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 19:07:37,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 19:07:37,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 19:07:37,427 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 19:07:37,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 19:07:37,427 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 19:07:37,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 19:07:37,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 19:07:37,428 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 19:07:37,428 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 19:07:37,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 19:07:37,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 19:07:37,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 19:07:37,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 19:07:37,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 19:07:37,429 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 19:07:37,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 19:07:37,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 19:07:37,430 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 19:07:37,430 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 19:07:37,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 19:07:37,718 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 19:07:37,723 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 19:07:37,726 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 19:07:37,729 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 19:07:37,730 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=39.bpl [2020-10-06 19:07:37,732 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=39.bpl' [2020-10-06 19:07:37,787 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 19:07:37,789 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 19:07:37,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 19:07:37,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 19:07:37,790 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 19:07:37,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=39.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:07:37" (1/1) ... [2020-10-06 19:07:37,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=39.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:07:37" (1/1) ... [2020-10-06 19:07:37,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 19:07:37,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 19:07:37,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 19:07:37,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 19:07:37,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=39.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:07:37" (1/1) ... [2020-10-06 19:07:37,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=39.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:07:37" (1/1) ... [2020-10-06 19:07:37,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=39.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:07:37" (1/1) ... [2020-10-06 19:07:37,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=39.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:07:37" (1/1) ... [2020-10-06 19:07:37,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=39.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:07:37" (1/1) ... [2020-10-06 19:07:37,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=39.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:07:37" (1/1) ... [2020-10-06 19:07:37,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=39.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:07:37" (1/1) ... [2020-10-06 19:07:37,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 19:07:37,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 19:07:37,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 19:07:37,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 19:07:37,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=39.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:07:37" (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 19:07:37,973 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-06 19:07:37,973 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-06 19:07:37,974 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-06 19:07:37,974 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-06 19:07:37,974 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-06 19:07:37,974 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-06 19:07:37,975 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-06 19:07:37,975 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-06 19:07:37,975 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-06 19:07:37,975 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-06 19:07:37,976 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-06 19:07:37,976 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-06 19:07:37,976 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-06 19:07:37,976 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-06 19:07:37,976 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-06 19:07:37,977 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-06 19:07:37,977 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-06 19:07:37,977 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-06 19:07:37,977 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 19:07:37,977 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 19:07:37,978 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 19:07:37,978 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 19:07:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 19:07:37,978 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 19:07:37,979 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-06 19:07:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-06 19:07:37,979 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-06 19:07:37,979 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-06 19:07:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-06 19:07:37,980 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-06 19:07:37,980 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 19:07:37,980 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 19:07:37,980 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 19:07:37,980 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-10-06 19:07:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-10-06 19:07:37,981 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-10-06 19:07:37,981 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 19:07:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 19:07:37,981 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 19:07:37,982 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 19:07:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 19:07:37,982 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 19:07:37,982 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 19:07:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 19:07:37,983 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 19:07:37,983 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 19:07:37,983 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 19:07:37,983 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 19:07:37,983 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 19:07:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 19:07:37,984 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 19:07:37,984 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 19:07:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 19:07:37,984 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 19:07:37,985 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 19:07:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 19:07:37,985 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 19:07:37,985 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 19:07:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 19:07:37,986 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 19:07:37,986 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 19:07:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 19:07:37,986 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 19:07:37,987 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 19:07:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 19:07:37,987 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 19:07:37,987 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 19:07:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 19:07:37,988 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 19:07:37,988 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-06 19:07:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-06 19:07:37,989 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-06 19:07:37,989 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-06 19:07:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-06 19:07:37,989 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-06 19:07:37,989 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 19:07:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 19:07:37,990 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 19:07:37,990 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-06 19:07:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-06 19:07:37,990 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-06 19:07:37,990 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 19:07:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 19:07:37,991 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 19:07:37,991 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 19:07:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 19:07:37,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 19:07:37,992 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-10-06 19:07:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-10-06 19:07:37,992 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-10-06 19:07:37,992 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 19:07:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 19:07:37,993 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 19:07:37,993 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-10-06 19:07:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-10-06 19:07:37,993 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-10-06 19:07:37,993 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 19:07:37,994 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 19:07:37,994 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 19:07:37,994 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-06 19:07:37,994 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-06 19:07:37,994 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-06 19:07:37,995 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 19:07:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 19:07:37,995 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 19:07:37,995 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-06 19:07:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-06 19:07:37,995 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-06 19:07:37,996 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-06 19:07:37,996 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-06 19:07:37,996 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-06 19:07:37,996 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 19:07:37,996 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 19:07:37,997 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 19:07:37,997 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-06 19:07:37,997 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-06 19:07:37,997 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-06 19:07:37,997 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 19:07:37,998 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 19:07:37,998 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 19:07:38,002 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 19:07:38,560 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 19:07:38,560 INFO L298 CfgBuilder]: Removed 39 assume(true) statements. [2020-10-06 19:07:38,563 INFO L202 PluginConnector]: Adding new model example2_N=39.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:07:38 BoogieIcfgContainer [2020-10-06 19:07:38,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 19:07:38,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 19:07:38,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 19:07:38,568 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 19:07:38,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=39.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:07:37" (1/2) ... [2020-10-06 19:07:38,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20804649 and model type example2_N=39.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 07:07:38, skipping insertion in model container [2020-10-06 19:07:38,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=39.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:07:38" (2/2) ... [2020-10-06 19:07:38,572 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=39.bpl [2020-10-06 19:07:38,583 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 19:07:38,584 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 19:07:38,592 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 19:07:38,593 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 19:07:39,286 INFO L253 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2020-10-06 19:07:39,308 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 19:07:39,308 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 19:07:39,308 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 19:07:39,308 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 19:07:39,308 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 19:07:39,309 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 19:07:39,309 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 19:07:39,309 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 19:07:39,333 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 19:07:39,335 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 317 places, 238 transitions, 788 flow [2020-10-06 19:07:39,338 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 317 places, 238 transitions, 788 flow [2020-10-06 19:07:39,340 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 317 places, 238 transitions, 788 flow [2020-10-06 19:07:39,471 INFO L129 PetriNetUnfolder]: 39/199 cut-off events. [2020-10-06 19:07:39,472 INFO L130 PetriNetUnfolder]: For 39/39 co-relation queries the response was YES. [2020-10-06 19:07:39,487 INFO L80 FinitePrefix]: Finished finitePrefix Result has 356 conditions, 199 events. 39/199 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 259 event pairs, 0 based on Foata normal form. 0/159 useless extension candidates. Maximal degree in co-relation 231. Up to 2 conditions per place. [2020-10-06 19:07:39,511 INFO L117 LiptonReduction]: Number of co-enabled transitions 22230 [2020-10-06 19:07:40,498 INFO L132 LiptonReduction]: Checked pairs total: 35150 [2020-10-06 19:07:40,498 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 19:07:40,506 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 315 places, 236 transitions, 784 flow Received shutdown request... [2020-10-06 19:21:14,390 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 19:21:14,400 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 19:21:14,401 INFO L202 PluginConnector]: Adding new model example2_N=39.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 07:21:14 BasicIcfg [2020-10-06 19:21:14,401 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 19:21:14,404 INFO L168 Benchmark]: Toolchain (without parser) took 816614.04 ms. Allocated memory was 251.1 MB in the beginning and 8.5 GB in the end (delta: 8.2 GB). Free memory was 225.0 MB in the beginning and 2.4 GB in the end (delta: -2.2 GB). Peak memory consumption was 7.2 GB. Max. memory is 14.2 GB. [2020-10-06 19:21:14,407 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.45 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:21:14,408 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.19 ms. Allocated memory is still 251.1 MB. Free memory was 225.0 MB in the beginning and 222.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:21:14,410 INFO L168 Benchmark]: Boogie Preprocessor took 62.85 ms. Allocated memory is still 251.1 MB. Free memory was 222.5 MB in the beginning and 220.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:21:14,412 INFO L168 Benchmark]: RCFGBuilder took 668.28 ms. Allocated memory is still 251.1 MB. Free memory was 220.0 MB in the beginning and 184.7 MB in the end (delta: 35.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 14.2 GB. [2020-10-06 19:21:14,413 INFO L168 Benchmark]: TraceAbstraction took 815837.12 ms. Allocated memory was 251.1 MB in the beginning and 8.5 GB in the end (delta: 8.2 GB). Free memory was 184.7 MB in the beginning and 2.4 GB in the end (delta: -2.2 GB). Peak memory consumption was 7.1 GB. Max. memory is 14.2 GB. [2020-10-06 19:21:14,423 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 0.45 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 41.19 ms. Allocated memory is still 251.1 MB. Free memory was 225.0 MB in the beginning and 222.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 62.85 ms. Allocated memory is still 251.1 MB. Free memory was 222.5 MB in the beginning and 220.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 668.28 ms. Allocated memory is still 251.1 MB. Free memory was 220.0 MB in the beginning and 184.7 MB in the end (delta: 35.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 14.2 GB. * TraceAbstraction took 815837.12 ms. Allocated memory was 251.1 MB in the beginning and 8.5 GB in the end (delta: 8.2 GB). Free memory was 184.7 MB in the beginning and 2.4 GB in the end (delta: -2.2 GB). Peak memory consumption was 7.1 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 6005 VarBasedMoverChecksPositive, 190 VarBasedMoverChecksNegative, 115 SemBasedMoverChecksPositive, 75 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 6040 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.1s, 317 PlacesBefore, 315 PlacesAfterwards, 238 TransitionsBefore, 236 TransitionsAfterwards, 22230 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 35150 MoverChecksTotal - TimeoutResultAtElement [Line: 88]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 88). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 315 places, 236 transitions, 784 flow. Already constructed 850274 states. Currently 425154 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 200 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 815.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 815.0s, 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