/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=23.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 15:08:31,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 15:08:31,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 15:08:31,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 15:08:31,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 15:08:31,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 15:08:31,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 15:08:31,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 15:08:31,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 15:08:31,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 15:08:31,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 15:08:31,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 15:08:31,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 15:08:31,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 15:08:31,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 15:08:31,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 15:08:31,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 15:08:31,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 15:08:31,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 15:08:31,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 15:08:31,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 15:08:31,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 15:08:31,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 15:08:31,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 15:08:31,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 15:08:31,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 15:08:31,693 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 15:08:31,694 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 15:08:31,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 15:08:31,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 15:08:31,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 15:08:31,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 15:08:31,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 15:08:31,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 15:08:31,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 15:08:31,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 15:08:31,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 15:08:31,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 15:08:31,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 15:08:31,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 15:08:31,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 15:08:31,703 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 15:08:31,748 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 15:08:31,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 15:08:31,749 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 15:08:31,749 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 15:08:31,750 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 15:08:31,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 15:08:31,750 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 15:08:31,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 15:08:31,750 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 15:08:31,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 15:08:31,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 15:08:31,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 15:08:31,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 15:08:31,752 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 15:08:31,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 15:08:31,752 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 15:08:31,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 15:08:31,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 15:08:31,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 15:08:31,753 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 15:08:31,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 15:08:31,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 15:08:31,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 15:08:31,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 15:08:31,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 15:08:31,755 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-10-08 15:08:31,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 15:08:31,755 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-08 15:08:31,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 15:08:31,756 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 15:08:32,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 15:08:32,062 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 15:08:32,068 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 15:08:32,069 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 15:08:32,072 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 15:08:32,073 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=23.bpl [2020-10-08 15:08:32,075 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=23.bpl' [2020-10-08 15:08:32,142 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 15:08:32,145 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 15:08:32,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 15:08:32,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 15:08:32,146 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 15:08:32,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:32" (1/1) ... [2020-10-08 15:08:32,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:32" (1/1) ... [2020-10-08 15:08:32,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 15:08:32,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 15:08:32,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 15:08:32,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 15:08:32,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:32" (1/1) ... [2020-10-08 15:08:32,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:32" (1/1) ... [2020-10-08 15:08:32,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:32" (1/1) ... [2020-10-08 15:08:32,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:32" (1/1) ... [2020-10-08 15:08:32,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:32" (1/1) ... [2020-10-08 15:08:32,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:32" (1/1) ... [2020-10-08 15:08:32,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:32" (1/1) ... [2020-10-08 15:08:32,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 15:08:32,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 15:08:32,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 15:08:32,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 15:08:32,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:32" (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 15:08:32,333 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 15:08:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 15:08:32,333 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 15:08:32,334 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 15:08:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 15:08:32,334 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 15:08:32,334 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 15:08:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 15:08:32,335 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 15:08:32,335 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 15:08:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 15:08:32,336 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 15:08:32,336 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 15:08:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 15:08:32,336 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 15:08:32,336 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 15:08:32,337 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 15:08:32,337 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 15:08:32,337 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 15:08:32,337 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 15:08:32,337 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 15:08:32,338 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 15:08:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 15:08:32,338 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 15:08:32,338 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 15:08:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 15:08:32,339 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 15:08:32,339 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 15:08:32,339 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 15:08:32,339 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 15:08:32,340 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 15:08:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 15:08:32,340 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 15:08:32,340 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 15:08:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 15:08:32,340 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 15:08:32,341 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 15:08:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 15:08:32,341 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 15:08:32,341 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 15:08:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 15:08:32,342 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 15:08:32,342 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 15:08:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 15:08:32,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 15:08:32,342 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 15:08:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 15:08:32,343 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 15:08:32,343 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 15:08:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 15:08:32,343 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 15:08:32,344 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 15:08:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 15:08:32,344 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 15:08:32,344 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 15:08:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 15:08:32,345 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 15:08:32,345 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 15:08:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 15:08:32,345 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 15:08:32,345 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 15:08:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 15:08:32,346 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 15:08:32,346 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 15:08:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 15:08:32,346 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 15:08:32,347 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 15:08:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 15:08:32,347 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 15:08:32,347 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 15:08:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 15:08:32,348 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 15:08:32,349 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 15:08:32,757 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 15:08:32,758 INFO L298 CfgBuilder]: Removed 23 assume(true) statements. [2020-10-08 15:08:32,763 INFO L202 PluginConnector]: Adding new model example2_N=23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 03:08:32 BoogieIcfgContainer [2020-10-08 15:08:32,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 15:08:32,764 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 15:08:32,764 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 15:08:32,767 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 15:08:32,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 03:08:32" (1/2) ... [2020-10-08 15:08:32,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac9c151 and model type example2_N=23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 03:08:32, skipping insertion in model container [2020-10-08 15:08:32,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 03:08:32" (2/2) ... [2020-10-08 15:08:32,771 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=23.bpl [2020-10-08 15:08:32,780 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 15:08:32,781 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 15:08:32,788 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 15:08:32,789 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 15:08:33,115 INFO L253 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2020-10-08 15:08:33,139 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 15:08:33,139 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 15:08:33,139 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 15:08:33,140 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 15:08:33,140 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 15:08:33,140 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 15:08:33,140 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 15:08:33,140 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 15:08:33,160 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 189 places, 142 transitions, 468 flow Received shutdown request... [2020-10-08 15:21:45,369 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 15:21:45,374 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 15:21:45,374 INFO L202 PluginConnector]: Adding new model example2_N=23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 03:21:45 BasicIcfg [2020-10-08 15:21:45,374 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 15:21:45,377 INFO L168 Benchmark]: Toolchain (without parser) took 793232.49 ms. Allocated memory was 252.7 MB in the beginning and 7.2 GB in the end (delta: 6.9 GB). Free memory was 226.6 MB in the beginning and 1.7 GB in the end (delta: -1.4 GB). Peak memory consumption was 6.8 GB. Max. memory is 14.2 GB. [2020-10-08 15:21:45,378 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.46 ms. Allocated memory is still 252.7 MB. Free memory is still 229.1 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 15:21:45,379 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.01 ms. Allocated memory is still 252.7 MB. Free memory is still 226.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 15:21:45,382 INFO L168 Benchmark]: Boogie Preprocessor took 53.94 ms. Allocated memory is still 252.7 MB. Free memory was 226.6 MB in the beginning and 224.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 15:21:45,387 INFO L168 Benchmark]: RCFGBuilder took 510.84 ms. Allocated memory is still 252.7 MB. Free memory was 224.1 MB in the beginning and 198.6 MB in the end (delta: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 14.2 GB. [2020-10-08 15:21:45,388 INFO L168 Benchmark]: TraceAbstraction took 792610.44 ms. Allocated memory was 252.7 MB in the beginning and 7.2 GB in the end (delta: 6.9 GB). Free memory was 198.6 MB in the beginning and 1.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 6.8 GB. Max. memory is 14.2 GB. [2020-10-08 15:21:45,392 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 1.46 ms. Allocated memory is still 252.7 MB. Free memory is still 229.1 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 52.01 ms. Allocated memory is still 252.7 MB. Free memory is still 226.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 53.94 ms. Allocated memory is still 252.7 MB. Free memory was 226.6 MB in the beginning and 224.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 510.84 ms. Allocated memory is still 252.7 MB. Free memory was 224.1 MB in the beginning and 198.6 MB in the end (delta: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 14.2 GB. * TraceAbstraction took 792610.44 ms. Allocated memory was 252.7 MB in the beginning and 7.2 GB in the end (delta: 6.9 GB). Free memory was 198.6 MB in the beginning and 1.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 6.8 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 56]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 56). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 189 places, 142 transitions, 468 flow. Already constructed 896616 states. Currently 448310 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 120 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 792.2s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 792.2s, 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