/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=14.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 13:14:32,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 13:14:32,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 13:14:32,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 13:14:32,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 13:14:32,823 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 13:14:32,826 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 13:14:32,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 13:14:32,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 13:14:32,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 13:14:32,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 13:14:32,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 13:14:32,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 13:14:32,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 13:14:32,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 13:14:32,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 13:14:32,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 13:14:32,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 13:14:32,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 13:14:32,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 13:14:32,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 13:14:32,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 13:14:32,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 13:14:32,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 13:14:32,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 13:14:32,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 13:14:32,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 13:14:32,880 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 13:14:32,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 13:14:32,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 13:14:32,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 13:14:32,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 13:14:32,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 13:14:32,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 13:14:32,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 13:14:32,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 13:14:32,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 13:14:32,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 13:14:32,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 13:14:32,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 13:14:32,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 13:14:32,897 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 13:14:32,938 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 13:14:32,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 13:14:32,940 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 13:14:32,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 13:14:32,941 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 13:14:32,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 13:14:32,941 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 13:14:32,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 13:14:32,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 13:14:32,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 13:14:32,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 13:14:32,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 13:14:32,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 13:14:32,944 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 13:14:32,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 13:14:32,945 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 13:14:32,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 13:14:32,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 13:14:32,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 13:14:32,945 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 13:14:32,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 13:14:32,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 13:14:32,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 13:14:32,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 13:14:32,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 13:14:32,947 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 13:14:32,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 13:14:32,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 13:14:32,948 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 13:14:32,948 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 13:14:33,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 13:14:33,289 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 13:14:33,292 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 13:14:33,294 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 13:14:33,294 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 13:14:33,295 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=14.bpl [2020-10-08 13:14:33,295 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=14.bpl' [2020-10-08 13:14:33,355 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 13:14:33,357 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 13:14:33,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 13:14:33,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 13:14:33,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 13:14:33,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:33" (1/1) ... [2020-10-08 13:14:33,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:33" (1/1) ... [2020-10-08 13:14:33,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 13:14:33,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 13:14:33,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 13:14:33,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 13:14:33,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:33" (1/1) ... [2020-10-08 13:14:33,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:33" (1/1) ... [2020-10-08 13:14:33,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:33" (1/1) ... [2020-10-08 13:14:33,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:33" (1/1) ... [2020-10-08 13:14:33,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:33" (1/1) ... [2020-10-08 13:14:33,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:33" (1/1) ... [2020-10-08 13:14:33,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:33" (1/1) ... [2020-10-08 13:14:33,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 13:14:33,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 13:14:33,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 13:14:33,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 13:14:33,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:33" (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 13:14:33,563 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 13:14:33,563 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 13:14:33,565 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 13:14:33,565 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 13:14:33,565 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 13:14:33,566 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 13:14:33,566 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 13:14:33,566 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 13:14:33,566 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 13:14:33,566 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 13:14:33,567 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 13:14:33,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 13:14:33,567 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 13:14:33,567 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 13:14:33,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 13:14:33,567 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 13:14:33,568 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 13:14:33,568 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 13:14:33,568 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 13:14:33,568 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 13:14:33,568 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 13:14:33,569 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 13:14:33,569 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 13:14:33,569 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 13:14:33,570 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 13:14:33,576 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 13:14:33,577 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 13:14:33,578 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 13:14:33,578 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 13:14:33,578 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 13:14:33,578 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 13:14:33,579 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 13:14:33,579 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 13:14:33,579 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 13:14:33,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 13:14:33,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 13:14:33,580 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 13:14:33,581 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 13:14:33,581 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 13:14:33,581 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 13:14:33,581 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 13:14:33,581 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 13:14:33,582 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 13:14:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 13:14:33,582 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 13:14:33,584 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 13:14:33,832 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 13:14:33,833 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-08 13:14:33,835 INFO L202 PluginConnector]: Adding new model example2_N=14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:14:33 BoogieIcfgContainer [2020-10-08 13:14:33,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 13:14:33,836 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 13:14:33,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 13:14:33,840 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 13:14:33,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:14:33" (1/2) ... [2020-10-08 13:14:33,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31ba33c8 and model type example2_N=14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 01:14:33, skipping insertion in model container [2020-10-08 13:14:33,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:14:33" (2/2) ... [2020-10-08 13:14:33,843 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=14.bpl [2020-10-08 13:14:33,855 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 13:14:33,855 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 13:14:33,863 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 13:14:33,864 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 13:14:34,137 INFO L253 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2020-10-08 13:14:34,159 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 13:14:34,159 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 13:14:34,159 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 13:14:34,159 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 13:14:34,159 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 13:14:34,160 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 13:14:34,160 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 13:14:34,160 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 13:14:34,180 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 13:14:34,182 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 117 places, 88 transitions, 288 flow [2020-10-08 13:14:34,185 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 117 places, 88 transitions, 288 flow [2020-10-08 13:14:34,187 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 117 places, 88 transitions, 288 flow [2020-10-08 13:14:34,247 INFO L129 PetriNetUnfolder]: 14/74 cut-off events. [2020-10-08 13:14:34,248 INFO L130 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2020-10-08 13:14:34,259 INFO L80 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 74 events. 14/74 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 105 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 81. Up to 2 conditions per place. [2020-10-08 13:14:34,264 INFO L117 LiptonReduction]: Number of co-enabled transitions 2730 [2020-10-08 13:14:34,854 INFO L132 LiptonReduction]: Checked pairs total: 4225 [2020-10-08 13:14:34,854 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 13:14:34,862 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 115 places, 86 transitions, 284 flow Received shutdown request... [2020-10-08 13:28:32,627 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 13:28:32,630 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 13:28:32,630 INFO L202 PluginConnector]: Adding new model example2_N=14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 01:28:32 BasicIcfg [2020-10-08 13:28:32,630 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 13:28:32,635 INFO L168 Benchmark]: Toolchain (without parser) took 839275.28 ms. Allocated memory was 249.6 MB in the beginning and 6.1 GB in the end (delta: 5.8 GB). Free memory was 225.9 MB in the beginning and 3.0 GB in the end (delta: -2.8 GB). Peak memory consumption was 5.4 GB. Max. memory is 14.2 GB. [2020-10-08 13:28:32,636 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 249.6 MB. Free memory is still 226.8 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 13:28:32,638 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.77 ms. Allocated memory is still 249.6 MB. Free memory was 225.9 MB in the beginning and 224.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-08 13:28:32,640 INFO L168 Benchmark]: Boogie Preprocessor took 53.33 ms. Allocated memory is still 249.6 MB. Free memory was 224.3 MB in the beginning and 222.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-08 13:28:32,642 INFO L168 Benchmark]: RCFGBuilder took 368.93 ms. Allocated memory is still 249.6 MB. Free memory was 222.6 MB in the beginning and 203.1 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 14.2 GB. [2020-10-08 13:28:32,643 INFO L168 Benchmark]: TraceAbstraction took 838794.24 ms. Allocated memory was 249.6 MB in the beginning and 6.1 GB in the end (delta: 5.8 GB). Free memory was 202.3 MB in the beginning and 3.0 GB in the end (delta: -2.8 GB). Peak memory consumption was 5.4 GB. Max. memory is 14.2 GB. [2020-10-08 13:28:32,655 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 249.6 MB. Free memory is still 226.8 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 54.77 ms. Allocated memory is still 249.6 MB. Free memory was 225.9 MB in the beginning and 224.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 53.33 ms. Allocated memory is still 249.6 MB. Free memory was 224.3 MB in the beginning and 222.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * RCFGBuilder took 368.93 ms. Allocated memory is still 249.6 MB. Free memory was 222.6 MB in the beginning and 203.1 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 14.2 GB. * TraceAbstraction took 838794.24 ms. Allocated memory was 249.6 MB in the beginning and 6.1 GB in the end (delta: 5.8 GB). Free memory was 202.3 MB in the beginning and 3.0 GB in the end (delta: -2.8 GB). Peak memory consumption was 5.4 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 998 VarBasedMoverChecksPositive, 92 VarBasedMoverChecksNegative, 53 SemBasedMoverChecksPositive, 39 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 1021 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.6s, 117 PlacesBefore, 115 PlacesAfterwards, 88 TransitionsBefore, 86 TransitionsAfterwards, 2730 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 4225 MoverChecksTotal - TimeoutResultAtElement [Line: 38]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 38). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 115 places, 86 transitions, 284 flow. Already constructed 583648 states. Currently 281263 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 15 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 838.4s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 838.4s, 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