/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=13.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 18:21:40,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 18:21:40,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 18:21:40,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 18:21:40,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 18:21:40,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 18:21:40,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 18:21:40,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 18:21:40,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 18:21:40,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 18:21:40,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 18:21:40,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 18:21:40,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 18:21:40,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 18:21:40,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 18:21:40,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 18:21:40,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 18:21:40,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 18:21:40,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 18:21:40,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 18:21:40,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 18:21:40,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 18:21:40,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 18:21:40,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 18:21:40,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 18:21:40,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 18:21:40,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 18:21:40,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 18:21:40,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 18:21:40,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 18:21:40,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 18:21:40,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 18:21:40,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 18:21:40,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 18:21:40,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 18:21:40,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 18:21:40,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 18:21:40,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 18:21:40,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 18:21:40,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 18:21:40,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 18:21:40,488 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 18:21:40,511 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 18:21:40,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 18:21:40,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 18:21:40,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 18:21:40,513 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 18:21:40,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 18:21:40,513 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 18:21:40,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 18:21:40,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 18:21:40,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 18:21:40,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 18:21:40,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 18:21:40,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 18:21:40,515 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 18:21:40,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 18:21:40,515 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 18:21:40,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 18:21:40,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 18:21:40,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 18:21:40,516 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 18:21:40,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 18:21:40,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 18:21:40,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 18:21:40,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 18:21:40,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 18:21:40,517 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 18:21:40,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 18:21:40,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 18:21:40,518 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 18:21:40,518 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 18:21:40,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 18:21:40,869 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 18:21:40,873 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 18:21:40,874 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 18:21:40,875 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 18:21:40,876 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=13.bpl [2020-10-06 18:21:40,878 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=13.bpl' [2020-10-06 18:21:40,938 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 18:21:40,940 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 18:21:40,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 18:21:40,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 18:21:40,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 18:21:40,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:40" (1/1) ... [2020-10-06 18:21:40,981 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:40" (1/1) ... [2020-10-06 18:21:40,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 18:21:40,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 18:21:40,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 18:21:40,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 18:21:41,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:40" (1/1) ... [2020-10-06 18:21:41,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:40" (1/1) ... [2020-10-06 18:21:41,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:40" (1/1) ... [2020-10-06 18:21:41,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:40" (1/1) ... [2020-10-06 18:21:41,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:40" (1/1) ... [2020-10-06 18:21:41,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:40" (1/1) ... [2020-10-06 18:21:41,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:40" (1/1) ... [2020-10-06 18:21:41,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 18:21:41,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 18:21:41,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 18:21:41,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 18:21:41,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:40" (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 18:21:41,123 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 18:21:41,123 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 18:21:41,125 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 18:21:41,125 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 18:21:41,126 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 18:21:41,126 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 18:21:41,126 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 18:21:41,126 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 18:21:41,127 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 18:21:41,127 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 18:21:41,127 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 18:21:41,127 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 18:21:41,127 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 18:21:41,127 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 18:21:41,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 18:21:41,128 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 18:21:41,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 18:21:41,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 18:21:41,128 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 18:21:41,129 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 18:21:41,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 18:21:41,130 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 18:21:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 18:21:41,130 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 18:21:41,138 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 18:21:41,139 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 18:21:41,139 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 18:21:41,140 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 18:21:41,140 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 18:21:41,140 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 18:21:41,141 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 18:21:41,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 18:21:41,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 18:21:41,141 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 18:21:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 18:21:41,142 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 18:21:41,142 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 18:21:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 18:21:41,143 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 18:21:41,143 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 18:21:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 18:21:41,143 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 18:21:41,145 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 18:21:41,492 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 18:21:41,492 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-10-06 18:21:41,494 INFO L202 PluginConnector]: Adding new model example2_N=13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:21:41 BoogieIcfgContainer [2020-10-06 18:21:41,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 18:21:41,503 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 18:21:41,503 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 18:21:41,506 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 18:21:41,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:21:40" (1/2) ... [2020-10-06 18:21:41,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fbf59de and model type example2_N=13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 06:21:41, skipping insertion in model container [2020-10-06 18:21:41,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:21:41" (2/2) ... [2020-10-06 18:21:41,510 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=13.bpl [2020-10-06 18:21:41,521 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 18:21:41,522 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 18:21:41,528 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 18:21:41,528 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 18:21:41,706 INFO L253 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2020-10-06 18:21:41,727 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 18:21:41,727 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 18:21:41,727 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 18:21:41,728 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 18:21:41,728 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 18:21:41,728 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 18:21:41,728 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 18:21:41,728 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 18:21:41,748 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 18:21:41,751 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 82 transitions, 268 flow [2020-10-06 18:21:41,754 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 82 transitions, 268 flow [2020-10-06 18:21:41,756 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 109 places, 82 transitions, 268 flow [2020-10-06 18:21:41,826 INFO L129 PetriNetUnfolder]: 13/69 cut-off events. [2020-10-06 18:21:41,827 INFO L130 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2020-10-06 18:21:41,839 INFO L80 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 69 events. 13/69 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 95 event pairs, 0 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2020-10-06 18:21:41,848 INFO L117 LiptonReduction]: Number of co-enabled transitions 2340 [2020-10-06 18:21:42,396 INFO L132 LiptonReduction]: Checked pairs total: 3612 [2020-10-06 18:21:42,397 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 18:21:42,404 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 107 places, 80 transitions, 264 flow Received shutdown request... [2020-10-06 18:35:38,843 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 18:35:38,847 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 18:35:38,847 INFO L202 PluginConnector]: Adding new model example2_N=13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 06:35:38 BasicIcfg [2020-10-06 18:35:38,847 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 18:35:38,853 INFO L168 Benchmark]: Toolchain (without parser) took 837909.55 ms. Allocated memory was 251.1 MB in the beginning and 6.3 GB in the end (delta: 6.1 GB). Free memory was 227.6 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 5.8 GB. Max. memory is 14.2 GB. [2020-10-06 18:35:38,854 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.54 ms. Allocated memory is still 251.1 MB. Free memory is still 228.4 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 18:35:38,855 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.62 ms. Allocated memory is still 251.1 MB. Free memory was 227.6 MB in the beginning and 225.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.2 GB. [2020-10-06 18:35:38,856 INFO L168 Benchmark]: Boogie Preprocessor took 52.04 ms. Allocated memory is still 251.1 MB. Free memory was 225.8 MB in the beginning and 224.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-06 18:35:38,857 INFO L168 Benchmark]: RCFGBuilder took 449.48 ms. Allocated memory is still 251.1 MB. Free memory was 224.1 MB in the beginning and 205.3 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 14.2 GB. [2020-10-06 18:35:38,858 INFO L168 Benchmark]: TraceAbstraction took 837344.58 ms. Allocated memory was 251.1 MB in the beginning and 6.3 GB in the end (delta: 6.1 GB). Free memory was 205.3 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 5.7 GB. Max. memory is 14.2 GB. [2020-10-06 18:35:38,863 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 1.54 ms. Allocated memory is still 251.1 MB. Free memory is still 228.4 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 50.62 ms. Allocated memory is still 251.1 MB. Free memory was 227.6 MB in the beginning and 225.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 52.04 ms. Allocated memory is still 251.1 MB. Free memory was 225.8 MB in the beginning and 224.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * RCFGBuilder took 449.48 ms. Allocated memory is still 251.1 MB. Free memory was 224.1 MB in the beginning and 205.3 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 14.2 GB. * TraceAbstraction took 837344.58 ms. Allocated memory was 251.1 MB in the beginning and 6.3 GB in the end (delta: 6.1 GB). Free memory was 205.3 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 5.7 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 673 VarBasedMoverChecksPositive, 92 VarBasedMoverChecksNegative, 49 SemBasedMoverChecksPositive, 43 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 714 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.6s, 109 PlacesBefore, 107 PlacesAfterwards, 82 TransitionsBefore, 80 TransitionsAfterwards, 2340 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 3612 MoverChecksTotal - TimeoutResultAtElement [Line: 36]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 36). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 107 places, 80 transitions, 264 flow. Already constructed 574349 states. Currently 253171 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 837.1s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 837.1s, 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