/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=41.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 19:16:55,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 19:16:55,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 19:16:55,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 19:16:55,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 19:16:55,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 19:16:55,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 19:16:55,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 19:16:55,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 19:16:55,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 19:16:55,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 19:16:55,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 19:16:55,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 19:16:55,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 19:16:55,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 19:16:55,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 19:16:55,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 19:16:55,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 19:16:55,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 19:16:55,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 19:16:55,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 19:16:55,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 19:16:55,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 19:16:55,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 19:16:55,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 19:16:55,896 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 19:16:55,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 19:16:55,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 19:16:55,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 19:16:55,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 19:16:55,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 19:16:55,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 19:16:55,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 19:16:55,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 19:16:55,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 19:16:55,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 19:16:55,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 19:16:55,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 19:16:55,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 19:16:55,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 19:16:55,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 19:16:55,919 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 19:16:55,960 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 19:16:55,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 19:16:55,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 19:16:55,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 19:16:55,962 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 19:16:55,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 19:16:55,963 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 19:16:55,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 19:16:55,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 19:16:55,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 19:16:55,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 19:16:55,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 19:16:55,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 19:16:55,965 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 19:16:55,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 19:16:55,965 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 19:16:55,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 19:16:55,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 19:16:55,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 19:16:55,966 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 19:16:55,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 19:16:55,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 19:16:55,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 19:16:55,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 19:16:55,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 19:16:55,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 19:16:55,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 19:16:55,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 19:16:55,969 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 19:16:55,969 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 19:16:56,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 19:16:56,273 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 19:16:56,278 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 19:16:56,279 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 19:16:56,283 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 19:16:56,284 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=41.bpl [2020-10-06 19:16:56,285 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=41.bpl' [2020-10-06 19:16:56,346 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 19:16:56,348 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 19:16:56,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 19:16:56,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 19:16:56,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 19:16:56,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:56" (1/1) ... [2020-10-06 19:16:56,378 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:56" (1/1) ... [2020-10-06 19:16:56,389 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 19:16:56,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 19:16:56,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 19:16:56,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 19:16:56,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:56" (1/1) ... [2020-10-06 19:16:56,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:56" (1/1) ... [2020-10-06 19:16:56,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:56" (1/1) ... [2020-10-06 19:16:56,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:56" (1/1) ... [2020-10-06 19:16:56,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:56" (1/1) ... [2020-10-06 19:16:56,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:56" (1/1) ... [2020-10-06 19:16:56,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:56" (1/1) ... [2020-10-06 19:16:56,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 19:16:56,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 19:16:56,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 19:16:56,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 19:16:56,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:56" (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 19:16:56,525 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-06 19:16:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-06 19:16:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-06 19:16:56,526 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-06 19:16:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-06 19:16:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-06 19:16:56,526 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread41 given in one single declaration [2020-10-06 19:16:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure thread41 [2020-10-06 19:16:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure thread41 [2020-10-06 19:16:56,527 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-10-06 19:16:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-10-06 19:16:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-10-06 19:16:56,528 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-06 19:16:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-06 19:16:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-06 19:16:56,528 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-06 19:16:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-06 19:16:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-06 19:16:56,529 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-06 19:16:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-06 19:16:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-06 19:16:56,529 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-06 19:16:56,530 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-06 19:16:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-06 19:16:56,530 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 19:16:56,530 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 19:16:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 19:16:56,531 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 19:16:56,531 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 19:16:56,531 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 19:16:56,531 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-06 19:16:56,531 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-06 19:16:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-06 19:16:56,532 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-06 19:16:56,532 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-06 19:16:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-06 19:16:56,532 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 19:16:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 19:16:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 19:16:56,533 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-10-06 19:16:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-10-06 19:16:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-10-06 19:16:56,534 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 19:16:56,534 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 19:16:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 19:16:56,534 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 19:16:56,534 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 19:16:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 19:16:56,535 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 19:16:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 19:16:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 19:16:56,536 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 19:16:56,536 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 19:16:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 19:16:56,536 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 19:16:56,536 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 19:16:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 19:16:56,537 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 19:16:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 19:16:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 19:16:56,538 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 19:16:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 19:16:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 19:16:56,538 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 19:16:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 19:16:56,539 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 19:16:56,539 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 19:16:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 19:16:56,539 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 19:16:56,539 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 19:16:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 19:16:56,540 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 19:16:56,540 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 19:16:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 19:16:56,540 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 19:16:56,541 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-06 19:16:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-06 19:16:56,541 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-06 19:16:56,541 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-06 19:16:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-06 19:16:56,542 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-06 19:16:56,542 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 19:16:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 19:16:56,542 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 19:16:56,542 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-06 19:16:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-06 19:16:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-06 19:16:56,543 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 19:16:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 19:16:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 19:16:56,544 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 19:16:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 19:16:56,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 19:16:56,544 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-10-06 19:16:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-10-06 19:16:56,544 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-10-06 19:16:56,545 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 19:16:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 19:16:56,545 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 19:16:56,545 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-10-06 19:16:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-10-06 19:16:56,546 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-10-06 19:16:56,546 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 19:16:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 19:16:56,546 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 19:16:56,546 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-06 19:16:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-06 19:16:56,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-06 19:16:56,547 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 19:16:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 19:16:56,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 19:16:56,548 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-06 19:16:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-06 19:16:56,548 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-06 19:16:56,548 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-06 19:16:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-06 19:16:56,548 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-06 19:16:56,549 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 19:16:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 19:16:56,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 19:16:56,549 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-06 19:16:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-06 19:16:56,550 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-06 19:16:56,550 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 19:16:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 19:16:56,550 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 19:16:56,552 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 19:16:57,165 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 19:16:57,165 INFO L298 CfgBuilder]: Removed 41 assume(true) statements. [2020-10-06 19:16:57,168 INFO L202 PluginConnector]: Adding new model example2_N=41.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:16:57 BoogieIcfgContainer [2020-10-06 19:16:57,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 19:16:57,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 19:16:57,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 19:16:57,173 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 19:16:57,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:56" (1/2) ... [2020-10-06 19:16:57,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f331bd and model type example2_N=41.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 07:16:57, skipping insertion in model container [2020-10-06 19:16:57,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:16:57" (2/2) ... [2020-10-06 19:16:57,177 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=41.bpl [2020-10-06 19:16:57,188 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 19:16:57,189 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 19:16:57,196 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 19:16:57,197 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 19:16:57,928 INFO L253 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2020-10-06 19:16:57,950 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 19:16:57,950 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 19:16:57,950 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 19:16:57,950 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 19:16:57,951 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 19:16:57,951 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 19:16:57,951 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 19:16:57,951 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 19:16:57,972 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 19:16:57,975 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 333 places, 250 transitions, 828 flow [2020-10-06 19:16:57,978 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 333 places, 250 transitions, 828 flow [2020-10-06 19:16:57,980 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 333 places, 250 transitions, 828 flow [2020-10-06 19:16:58,170 INFO L129 PetriNetUnfolder]: 41/209 cut-off events. [2020-10-06 19:16:58,171 INFO L130 PetriNetUnfolder]: For 41/41 co-relation queries the response was YES. [2020-10-06 19:16:58,198 INFO L80 FinitePrefix]: Finished finitePrefix Result has 374 conditions, 209 events. 41/209 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 279 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 243. Up to 2 conditions per place. [2020-10-06 19:16:58,249 INFO L117 LiptonReduction]: Number of co-enabled transitions 24600 [2020-10-06 19:16:59,285 INFO L132 LiptonReduction]: Checked pairs total: 38920 [2020-10-06 19:16:59,286 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 19:16:59,293 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 331 places, 248 transitions, 824 flow Received shutdown request... [2020-10-06 19:30:35,242 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 19:30:35,248 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 19:30:35,249 INFO L202 PluginConnector]: Adding new model example2_N=41.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 07:30:35 BasicIcfg [2020-10-06 19:30:35,250 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 19:30:35,257 INFO L168 Benchmark]: Toolchain (without parser) took 818905.39 ms. Allocated memory was 252.2 MB in the beginning and 8.1 GB in the end (delta: 7.9 GB). Free memory was 226.0 MB in the beginning and 2.7 GB in the end (delta: -2.5 GB). Peak memory consumption was 7.1 GB. Max. memory is 14.2 GB. [2020-10-06 19:30:35,258 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.43 ms. Allocated memory is still 252.2 MB. Free memory is still 228.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:30:35,260 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.26 ms. Allocated memory is still 252.2 MB. Free memory was 226.0 MB in the beginning and 223.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:30:35,262 INFO L168 Benchmark]: Boogie Preprocessor took 64.67 ms. Allocated memory is still 252.2 MB. Free memory was 223.5 MB in the beginning and 221.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:30:35,263 INFO L168 Benchmark]: RCFGBuilder took 713.54 ms. Allocated memory is still 252.2 MB. Free memory was 221.0 MB in the beginning and 183.2 MB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 14.2 GB. [2020-10-06 19:30:35,265 INFO L168 Benchmark]: TraceAbstraction took 818081.27 ms. Allocated memory was 252.2 MB in the beginning and 8.1 GB in the end (delta: 7.9 GB). Free memory was 183.2 MB in the beginning and 2.7 GB in the end (delta: -2.5 GB). Peak memory consumption was 7.0 GB. Max. memory is 14.2 GB. [2020-10-06 19:30:35,276 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 0.43 ms. Allocated memory is still 252.2 MB. Free memory is still 228.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 40.26 ms. Allocated memory is still 252.2 MB. Free memory was 226.0 MB in the beginning and 223.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 64.67 ms. Allocated memory is still 252.2 MB. Free memory was 223.5 MB in the beginning and 221.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 713.54 ms. Allocated memory is still 252.2 MB. Free memory was 221.0 MB in the beginning and 183.2 MB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 14.2 GB. * TraceAbstraction took 818081.27 ms. Allocated memory was 252.2 MB in the beginning and 8.1 GB in the end (delta: 7.9 GB). Free memory was 183.2 MB in the beginning and 2.7 GB in the end (delta: -2.5 GB). Peak memory consumption was 7.0 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 6983 VarBasedMoverChecksPositive, 280 VarBasedMoverChecksNegative, 161 SemBasedMoverChecksPositive, 119 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.8s, 7100 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.3s, 333 PlacesBefore, 331 PlacesAfterwards, 250 TransitionsBefore, 248 TransitionsAfterwards, 24600 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 38920 MoverChecksTotal - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 92). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 331 places, 248 transitions, 824 flow. Already constructed 852438 states. Currently 426218 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 210 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 817.2s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 817.2s, 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