/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=27.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 15:21:47,482 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 15:21:47,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 15:21:47,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 15:21:47,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 15:21:47,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 15:21:47,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 15:21:47,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 15:21:47,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 15:21:47,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 15:21:47,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 15:21:47,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 15:21:47,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 15:21:47,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 15:21:47,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 15:21:47,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 15:21:47,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 15:21:47,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 15:21:47,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 15:21:47,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 15:21:47,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 15:21:47,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 15:21:47,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 15:21:47,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 15:21:47,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 15:21:47,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 15:21:47,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 15:21:47,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 15:21:47,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 15:21:47,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 15:21:47,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 15:21:47,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 15:21:47,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 15:21:47,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 15:21:47,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 15:21:47,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 15:21:47,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 15:21:47,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 15:21:47,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 15:21:47,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 15:21:47,538 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 15:21:47,539 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 15:21:47,560 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 15:21:47,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 15:21:47,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 15:21:47,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 15:21:47,562 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 15:21:47,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 15:21:47,562 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 15:21:47,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 15:21:47,562 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 15:21:47,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 15:21:47,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 15:21:47,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 15:21:47,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 15:21:47,563 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 15:21:47,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 15:21:47,564 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 15:21:47,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 15:21:47,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 15:21:47,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 15:21:47,564 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 15:21:47,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 15:21:47,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 15:21:47,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 15:21:47,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 15:21:47,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 15:21:47,566 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-10-08 15:21:47,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 15:21:47,566 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-08 15:21:47,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 15:21:47,566 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 15:21:47,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 15:21:47,895 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 15:21:47,898 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 15:21:47,900 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 15:21:47,903 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 15:21:47,904 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=27.bpl [2020-10-08 15:21:47,905 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=27.bpl' [2020-10-08 15:21:47,963 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 15:21:47,966 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 15:21:47,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 15:21:47,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 15:21:47,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 15:21:47,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:21:47" (1/1) ... [2020-10-08 15:21:47,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:21:47" (1/1) ... [2020-10-08 15:21:48,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 15:21:48,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 15:21:48,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 15:21:48,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 15:21:48,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:21:47" (1/1) ... [2020-10-08 15:21:48,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:21:47" (1/1) ... [2020-10-08 15:21:48,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:21:47" (1/1) ... [2020-10-08 15:21:48,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:21:47" (1/1) ... [2020-10-08 15:21:48,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:21:47" (1/1) ... [2020-10-08 15:21:48,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:21:47" (1/1) ... [2020-10-08 15:21:48,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:21:47" (1/1) ... [2020-10-08 15:21:48,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 15:21:48,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 15:21:48,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 15:21:48,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 15:21:48,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:21:47" (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 15:21:48,120 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 15:21:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 15:21:48,120 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 15:21:48,121 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 15:21:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 15:21:48,121 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 15:21:48,121 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-08 15:21:48,122 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-08 15:21:48,122 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-08 15:21:48,122 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-08 15:21:48,122 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-08 15:21:48,122 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-08 15:21:48,123 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 15:21:48,123 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 15:21:48,123 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 15:21:48,123 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 15:21:48,123 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 15:21:48,124 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 15:21:48,124 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 15:21:48,124 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 15:21:48,124 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 15:21:48,124 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 15:21:48,125 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 15:21:48,125 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 15:21:48,125 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 15:21:48,125 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 15:21:48,125 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 15:21:48,126 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 15:21:48,126 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 15:21:48,126 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 15:21:48,126 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 15:21:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 15:21:48,127 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 15:21:48,127 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 15:21:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 15:21:48,127 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 15:21:48,128 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 15:21:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 15:21:48,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 15:21:48,128 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 15:21:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 15:21:48,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 15:21:48,129 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 15:21:48,129 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 15:21:48,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 15:21:48,129 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 15:21:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 15:21:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 15:21:48,130 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 15:21:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 15:21:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 15:21:48,131 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 15:21:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 15:21:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 15:21:48,131 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 15:21:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 15:21:48,132 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 15:21:48,132 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 15:21:48,132 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 15:21:48,132 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 15:21:48,132 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 15:21:48,133 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 15:21:48,133 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 15:21:48,133 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 15:21:48,133 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 15:21:48,133 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 15:21:48,134 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 15:21:48,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 15:21:48,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 15:21:48,134 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 15:21:48,134 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 15:21:48,135 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 15:21:48,135 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 15:21:48,135 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 15:21:48,135 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 15:21:48,136 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 15:21:48,136 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 15:21:48,136 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 15:21:48,136 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 15:21:48,136 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 15:21:48,137 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 15:21:48,137 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 15:21:48,137 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 15:21:48,137 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 15:21:48,139 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 15:21:48,690 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 15:21:48,690 INFO L298 CfgBuilder]: Removed 27 assume(true) statements. [2020-10-08 15:21:48,692 INFO L202 PluginConnector]: Adding new model example2_N=27.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 03:21:48 BoogieIcfgContainer [2020-10-08 15:21:48,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 15:21:48,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 15:21:48,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 15:21:48,698 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 15:21:48,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:21:47" (1/2) ... [2020-10-08 15:21:48,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c2b7b8f and model type example2_N=27.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 03:21:48, skipping insertion in model container [2020-10-08 15:21:48,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 03:21:48" (2/2) ... [2020-10-08 15:21:48,702 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=27.bpl [2020-10-08 15:21:48,714 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 15:21:48,714 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 15:21:48,722 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 15:21:48,723 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 15:21:49,176 INFO L253 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2020-10-08 15:21:49,199 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 15:21:49,199 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 15:21:49,200 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 15:21:49,200 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 15:21:49,200 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 15:21:49,200 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 15:21:49,200 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 15:21:49,201 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 15:21:49,220 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 221 places, 166 transitions, 548 flow Received shutdown request... [2020-10-08 15:35:07,184 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 15:35:07,192 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 15:35:07,193 INFO L202 PluginConnector]: Adding new model example2_N=27.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 03:35:07 BasicIcfg [2020-10-08 15:35:07,193 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 15:35:07,198 INFO L168 Benchmark]: Toolchain (without parser) took 799229.84 ms. Allocated memory was 251.1 MB in the beginning and 7.6 GB in the end (delta: 7.4 GB). Free memory was 226.7 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 7.0 GB. Max. memory is 14.2 GB. [2020-10-08 15:35:07,200 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.37 ms. Allocated memory is still 251.1 MB. Free memory is still 228.3 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 15:35:07,203 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.53 ms. Allocated memory is still 251.1 MB. Free memory was 226.7 MB in the beginning and 225.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-08 15:35:07,204 INFO L168 Benchmark]: Boogie Preprocessor took 39.38 ms. Allocated memory is still 251.1 MB. Free memory was 225.0 MB in the beginning and 223.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-08 15:35:07,205 INFO L168 Benchmark]: RCFGBuilder took 646.00 ms. Allocated memory is still 251.1 MB. Free memory was 223.3 MB in the beginning and 194.8 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 14.2 GB. [2020-10-08 15:35:07,208 INFO L168 Benchmark]: TraceAbstraction took 798499.23 ms. Allocated memory was 251.1 MB in the beginning and 7.6 GB in the end (delta: 7.4 GB). Free memory was 194.8 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 7.0 GB. Max. memory is 14.2 GB. [2020-10-08 15:35:07,219 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 1.37 ms. Allocated memory is still 251.1 MB. Free memory is still 228.3 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 40.53 ms. Allocated memory is still 251.1 MB. Free memory was 226.7 MB in the beginning and 225.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 39.38 ms. Allocated memory is still 251.1 MB. Free memory was 225.0 MB in the beginning and 223.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * RCFGBuilder took 646.00 ms. Allocated memory is still 251.1 MB. Free memory was 223.3 MB in the beginning and 194.8 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 14.2 GB. * TraceAbstraction took 798499.23 ms. Allocated memory was 251.1 MB in the beginning and 7.6 GB in the end (delta: 7.4 GB). Free memory was 194.8 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 7.0 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 64). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 221 places, 166 transitions, 548 flow. Already constructed 884623 states. Currently 442314 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 140 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 797.9s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 797.9s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown