/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=15.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 13:14:36,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 13:14:36,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 13:14:36,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 13:14:36,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 13:14:36,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 13:14:36,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 13:14:36,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 13:14:36,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 13:14:36,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 13:14:36,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 13:14:36,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 13:14:36,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 13:14:36,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 13:14:36,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 13:14:36,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 13:14:36,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 13:14:36,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 13:14:36,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 13:14:36,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 13:14:36,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 13:14:36,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 13:14:36,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 13:14:36,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 13:14:36,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 13:14:36,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 13:14:36,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 13:14:36,907 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 13:14:36,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 13:14:36,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 13:14:36,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 13:14:36,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 13:14:36,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 13:14:36,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 13:14:36,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 13:14:36,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 13:14:36,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 13:14:36,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 13:14:36,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 13:14:36,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 13:14:36,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 13:14:36,922 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 [2020-10-08 13:14:36,953 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 13:14:36,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 13:14:36,954 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 13:14:36,955 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 13:14:36,955 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 13:14:36,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 13:14:36,955 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 13:14:36,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 13:14:36,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 13:14:36,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 13:14:36,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 13:14:36,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 13:14:36,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 13:14:36,957 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 13:14:36,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 13:14:36,957 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 13:14:36,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 13:14:36,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 13:14:36,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 13:14:36,958 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 13:14:36,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 13:14:36,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 13:14:36,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 13:14:36,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 13:14:36,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 13:14:36,959 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 13:14:36,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 13:14:36,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 13:14:36,959 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 13:14:36,960 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 13:14:37,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 13:14:37,291 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 13:14:37,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 13:14:37,296 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 13:14:37,297 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 13:14:37,298 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=15.bpl [2020-10-08 13:14:37,299 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=15.bpl' [2020-10-08 13:14:37,358 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 13:14:37,360 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 13:14:37,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 13:14:37,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 13:14:37,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 13:14:37,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:37" (1/1) ... [2020-10-08 13:14:37,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:37" (1/1) ... [2020-10-08 13:14:37,406 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 13:14:37,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 13:14:37,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 13:14:37,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 13:14:37,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:37" (1/1) ... [2020-10-08 13:14:37,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:37" (1/1) ... [2020-10-08 13:14:37,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:37" (1/1) ... [2020-10-08 13:14:37,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:37" (1/1) ... [2020-10-08 13:14:37,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:37" (1/1) ... [2020-10-08 13:14:37,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:37" (1/1) ... [2020-10-08 13:14:37,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:37" (1/1) ... [2020-10-08 13:14:37,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 13:14:37,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 13:14:37,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 13:14:37,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 13:14:37,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 13:14:37,543 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 13:14:37,543 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 13:14:37,544 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 13:14:37,544 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 13:14:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 13:14:37,544 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 13:14:37,545 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 13:14:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 13:14:37,545 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 13:14:37,545 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 13:14:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 13:14:37,546 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 13:14:37,546 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 13:14:37,546 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 13:14:37,546 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 13:14:37,546 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 13:14:37,547 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 13:14:37,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 13:14:37,547 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 13:14:37,547 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 13:14:37,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 13:14:37,548 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 13:14:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 13:14:37,548 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 13:14:37,548 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 13:14:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 13:14:37,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 13:14:37,549 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 13:14:37,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 13:14:37,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 13:14:37,549 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 13:14:37,550 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 13:14:37,550 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 13:14:37,550 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 13:14:37,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 13:14:37,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 13:14:37,550 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 13:14:37,551 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 13:14:37,551 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 13:14:37,551 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 13:14:37,551 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 13:14:37,551 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 13:14:37,552 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 13:14:37,552 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 13:14:37,552 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 13:14:37,552 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 13:14:37,553 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 13:14:37,553 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 13:14:37,554 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 13:14:37,787 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 13:14:37,787 INFO L298 CfgBuilder]: Removed 15 assume(true) statements. [2020-10-08 13:14:37,789 INFO L202 PluginConnector]: Adding new model example2_N=15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:14:37 BoogieIcfgContainer [2020-10-08 13:14:37,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 13:14:37,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 13:14:37,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 13:14:37,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 13:14:37,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:37" (1/2) ... [2020-10-08 13:14:37,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53938d7 and model type example2_N=15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 01:14:37, skipping insertion in model container [2020-10-08 13:14:37,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:14:37" (2/2) ... [2020-10-08 13:14:37,797 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=15.bpl [2020-10-08 13:14:37,808 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 13:14:37,808 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 13:14:37,815 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 13:14:37,816 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 13:14:38,041 INFO L253 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2020-10-08 13:14:38,063 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 13:14:38,063 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 13:14:38,063 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 13:14:38,063 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 13:14:38,063 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 13:14:38,064 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 13:14:38,064 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 13:14:38,064 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 13:14:38,082 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 13:14:38,085 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 94 transitions, 308 flow [2020-10-08 13:14:38,087 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 94 transitions, 308 flow [2020-10-08 13:14:38,089 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 125 places, 94 transitions, 308 flow [2020-10-08 13:14:38,151 INFO L129 PetriNetUnfolder]: 15/79 cut-off events. [2020-10-08 13:14:38,151 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2020-10-08 13:14:38,162 INFO L80 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 79 events. 15/79 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 127 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 87. Up to 2 conditions per place. [2020-10-08 13:14:38,168 INFO L117 LiptonReduction]: Number of co-enabled transitions 3150 [2020-10-08 13:14:38,753 INFO L132 LiptonReduction]: Checked pairs total: 4886 [2020-10-08 13:14:38,753 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 13:14:38,760 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 123 places, 92 transitions, 304 flow Received shutdown request... [2020-10-08 13:28:34,515 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 13:28:34,521 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 13:28:34,522 INFO L202 PluginConnector]: Adding new model example2_N=15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 01:28:34 BasicIcfg [2020-10-08 13:28:34,522 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 13:28:34,527 INFO L168 Benchmark]: Toolchain (without parser) took 837164.70 ms. Allocated memory was 248.0 MB in the beginning and 6.4 GB in the end (delta: 6.2 GB). Free memory was 221.8 MB in the beginning and 2.4 GB in the end (delta: -2.1 GB). Peak memory consumption was 6.0 GB. Max. memory is 14.2 GB. [2020-10-08 13:28:34,528 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.37 ms. Allocated memory is still 248.0 MB. Free memory is still 221.8 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 13:28:34,530 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.94 ms. Allocated memory is still 248.0 MB. Free memory was 221.8 MB in the beginning and 219.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 13:28:34,533 INFO L168 Benchmark]: Boogie Preprocessor took 49.80 ms. Allocated memory is still 248.0 MB. Free memory was 219.3 MB in the beginning and 216.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 13:28:34,534 INFO L168 Benchmark]: RCFGBuilder took 331.92 ms. Allocated memory is still 248.0 MB. Free memory was 216.8 MB in the beginning and 196.6 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 14.2 GB. [2020-10-08 13:28:34,535 INFO L168 Benchmark]: TraceAbstraction took 836731.93 ms. Allocated memory was 248.0 MB in the beginning and 6.4 GB in the end (delta: 6.2 GB). Free memory was 196.6 MB in the beginning and 2.4 GB in the end (delta: -2.2 GB). Peak memory consumption was 5.9 GB. Max. memory is 14.2 GB. [2020-10-08 13:28:34,546 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 248.0 MB. Free memory is still 221.8 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 45.94 ms. Allocated memory is still 248.0 MB. Free memory was 221.8 MB in the beginning and 219.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 49.80 ms. Allocated memory is still 248.0 MB. Free memory was 219.3 MB in the beginning and 216.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 331.92 ms. Allocated memory is still 248.0 MB. Free memory was 216.8 MB in the beginning and 196.6 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 14.2 GB. * TraceAbstraction took 836731.93 ms. Allocated memory was 248.0 MB in the beginning and 6.4 GB in the end (delta: 6.2 GB). Free memory was 196.6 MB in the beginning and 2.4 GB in the end (delta: -2.2 GB). Peak memory consumption was 5.9 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1280 VarBasedMoverChecksPositive, 99 VarBasedMoverChecksNegative, 57 SemBasedMoverChecksPositive, 42 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 1296 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.6s, 125 PlacesBefore, 123 PlacesAfterwards, 94 TransitionsBefore, 92 TransitionsAfterwards, 3150 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 4886 MoverChecksTotal - TimeoutResultAtElement [Line: 40]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 40). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 123 places, 92 transitions, 304 flow. Already constructed 715868 states. Currently 355394 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 16 procedures, 80 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 836.4s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 836.4s, 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