./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memsafety.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe035_power.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe035_power.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6415bffc70cf05f8f6460106962f2f9c59b321fd2fc94a45894cc3c1f3d85b66 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 19:41:36,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 19:41:36,735 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-10-11 19:41:36,740 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 19:41:36,740 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 19:41:36,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 19:41:36,770 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 19:41:36,770 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 19:41:36,771 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 19:41:36,773 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 19:41:36,773 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 19:41:36,773 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 19:41:36,774 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 19:41:36,774 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 19:41:36,775 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 19:41:36,775 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 19:41:36,776 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 19:41:36,776 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 19:41:36,776 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 19:41:36,777 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 19:41:36,777 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-11 19:41:36,778 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-11 19:41:36,778 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-11 19:41:36,778 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 19:41:36,779 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 19:41:36,779 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 19:41:36,779 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 19:41:36,780 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 19:41:36,780 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 19:41:36,780 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 19:41:36,781 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 19:41:36,781 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 19:41:36,781 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 19:41:36,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 19:41:36,782 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 19:41:36,782 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 19:41:36,783 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 19:41:36,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 19:41:36,783 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 19:41:36,783 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 19:41:36,784 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 19:41:36,784 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 19:41:36,784 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6415bffc70cf05f8f6460106962f2f9c59b321fd2fc94a45894cc3c1f3d85b66 [2024-10-11 19:41:37,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 19:41:37,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 19:41:37,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 19:41:37,116 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 19:41:37,116 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 19:41:37,117 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe035_power.i [2024-10-11 19:41:38,545 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 19:41:38,824 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 19:41:38,824 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe035_power.i [2024-10-11 19:41:38,848 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/6f6e1f314/1ea8c63fce1a4b499c1b36f51f5a9f46/FLAG4cc92c0c5 [2024-10-11 19:41:38,864 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/6f6e1f314/1ea8c63fce1a4b499c1b36f51f5a9f46 [2024-10-11 19:41:38,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 19:41:38,870 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 19:41:38,872 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 19:41:38,873 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 19:41:38,878 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 19:41:38,879 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:41:38" (1/1) ... [2024-10-11 19:41:38,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3043bf94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:41:38, skipping insertion in model container [2024-10-11 19:41:38,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:41:38" (1/1) ... [2024-10-11 19:41:38,934 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 19:41:39,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 19:41:39,430 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 19:41:39,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 19:41:39,553 INFO L204 MainTranslator]: Completed translation [2024-10-11 19:41:39,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:41:39 WrapperNode [2024-10-11 19:41:39,554 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 19:41:39,555 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 19:41:39,555 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 19:41:39,556 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 19:41:39,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:41:39" (1/1) ... [2024-10-11 19:41:39,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:41:39" (1/1) ... [2024-10-11 19:41:39,623 INFO L138 Inliner]: procedures = 175, calls = 49, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 169 [2024-10-11 19:41:39,624 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 19:41:39,625 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 19:41:39,625 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 19:41:39,625 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 19:41:39,642 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:41:39" (1/1) ... [2024-10-11 19:41:39,643 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:41:39" (1/1) ... [2024-10-11 19:41:39,653 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:41:39" (1/1) ... [2024-10-11 19:41:39,693 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 19:41:39,693 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:41:39" (1/1) ... [2024-10-11 19:41:39,693 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:41:39" (1/1) ... [2024-10-11 19:41:39,706 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:41:39" (1/1) ... [2024-10-11 19:41:39,709 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:41:39" (1/1) ... [2024-10-11 19:41:39,712 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:41:39" (1/1) ... [2024-10-11 19:41:39,714 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:41:39" (1/1) ... [2024-10-11 19:41:39,723 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 19:41:39,727 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 19:41:39,727 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 19:41:39,728 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 19:41:39,729 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:41:39" (1/1) ... [2024-10-11 19:41:39,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 19:41:39,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 19:41:39,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 19:41:39,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 19:41:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-11 19:41:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 19:41:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-11 19:41:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-11 19:41:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-11 19:41:39,865 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-11 19:41:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-11 19:41:39,865 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-11 19:41:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 19:41:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-11 19:41:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 19:41:39,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 19:41:39,869 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 19:41:40,044 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 19:41:40,047 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 19:41:40,480 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 19:41:40,483 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 19:41:40,805 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 19:41:40,806 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 19:41:40,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:41:40 BoogieIcfgContainer [2024-10-11 19:41:40,807 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 19:41:40,810 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 19:41:40,810 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 19:41:40,814 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 19:41:40,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 07:41:38" (1/3) ... [2024-10-11 19:41:40,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43e6455b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:41:40, skipping insertion in model container [2024-10-11 19:41:40,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:41:39" (2/3) ... [2024-10-11 19:41:40,816 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43e6455b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:41:40, skipping insertion in model container [2024-10-11 19:41:40,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:41:40" (3/3) ... [2024-10-11 19:41:40,818 INFO L112 eAbstractionObserver]: Analyzing ICFG safe035_power.i [2024-10-11 19:41:40,838 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 19:41:40,839 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-10-11 19:41:40,839 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 19:41:40,908 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-11 19:41:40,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 55 places, 47 transitions, 106 flow [2024-10-11 19:41:40,986 INFO L124 PetriNetUnfolderBase]: 2/44 cut-off events. [2024-10-11 19:41:40,987 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 19:41:40,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54 conditions, 44 events. 2/44 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 92 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2024-10-11 19:41:40,993 INFO L82 GeneralOperation]: Start removeDead. Operand has 55 places, 47 transitions, 106 flow [2024-10-11 19:41:40,999 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 52 places, 44 transitions, 97 flow [2024-10-11 19:41:41,012 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 19:41:41,022 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@48ab2a29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 19:41:41,023 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-10-11 19:41:41,035 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 19:41:41,035 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2024-10-11 19:41:41,035 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 19:41:41,036 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:41:41,036 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:41:41,037 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:41:41,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:41:41,043 INFO L85 PathProgramCache]: Analyzing trace with hash 807765749, now seen corresponding path program 1 times [2024-10-11 19:41:41,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:41:41,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546013261] [2024-10-11 19:41:41,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:41:41,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:41:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:41:41,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:41:41,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:41:41,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546013261] [2024-10-11 19:41:41,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546013261] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:41:41,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:41:41,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 19:41:41,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480947526] [2024-10-11 19:41:41,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:41:41,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 19:41:41,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:41:41,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 19:41:41,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 19:41:41,672 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 47 [2024-10-11 19:41:41,675 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 44 transitions, 97 flow. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:41:41,676 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:41:41,676 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 47 [2024-10-11 19:41:41,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:41:42,751 INFO L124 PetriNetUnfolderBase]: 2523/3960 cut-off events. [2024-10-11 19:41:42,752 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-10-11 19:41:42,769 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7667 conditions, 3960 events. 2523/3960 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 25048 event pairs, 328 based on Foata normal form. 240/4184 useless extension candidates. Maximal degree in co-relation 7656. Up to 3096 conditions per place. [2024-10-11 19:41:42,822 INFO L140 encePairwiseOnDemand]: 42/47 looper letters, 37 selfloop transitions, 2 changer transitions 2/55 dead transitions. [2024-10-11 19:41:42,822 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 55 transitions, 201 flow [2024-10-11 19:41:42,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 19:41:42,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 19:41:42,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 97 transitions. [2024-10-11 19:41:42,836 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6879432624113475 [2024-10-11 19:41:42,838 INFO L175 Difference]: Start difference. First operand has 52 places, 44 transitions, 97 flow. Second operand 3 states and 97 transitions. [2024-10-11 19:41:42,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 55 transitions, 201 flow [2024-10-11 19:41:42,843 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 55 transitions, 198 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-11 19:41:42,846 INFO L231 Difference]: Finished difference. Result has 49 places, 39 transitions, 88 flow [2024-10-11 19:41:42,849 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=49, PETRI_TRANSITIONS=39} [2024-10-11 19:41:42,855 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, -3 predicate places. [2024-10-11 19:41:42,855 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 39 transitions, 88 flow [2024-10-11 19:41:42,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:41:42,856 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:41:42,856 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:41:42,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 19:41:42,857 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:41:42,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:41:42,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1292564532, now seen corresponding path program 1 times [2024-10-11 19:41:42,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:41:42,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022081175] [2024-10-11 19:41:42,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:41:42,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:41:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:41:42,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:41:42,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:41:42,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022081175] [2024-10-11 19:41:42,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022081175] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:41:42,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:41:42,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 19:41:42,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781207106] [2024-10-11 19:41:42,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:41:42,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 19:41:42,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:41:42,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 19:41:42,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 19:41:42,986 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 47 [2024-10-11 19:41:42,987 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 39 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:41:42,987 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:41:42,987 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 47 [2024-10-11 19:41:42,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:41:43,792 INFO L124 PetriNetUnfolderBase]: 2237/3766 cut-off events. [2024-10-11 19:41:43,793 INFO L125 PetriNetUnfolderBase]: For 160/160 co-relation queries the response was YES. [2024-10-11 19:41:43,798 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7226 conditions, 3766 events. 2237/3766 cut-off events. For 160/160 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 24897 event pairs, 2237 based on Foata normal form. 120/3830 useless extension candidates. Maximal degree in co-relation 7216. Up to 3246 conditions per place. [2024-10-11 19:41:43,811 INFO L140 encePairwiseOnDemand]: 45/47 looper letters, 23 selfloop transitions, 1 changer transitions 1/38 dead transitions. [2024-10-11 19:41:43,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 38 transitions, 136 flow [2024-10-11 19:41:43,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 19:41:43,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 19:41:43,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 74 transitions. [2024-10-11 19:41:43,814 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.524822695035461 [2024-10-11 19:41:43,815 INFO L175 Difference]: Start difference. First operand has 49 places, 39 transitions, 88 flow. Second operand 3 states and 74 transitions. [2024-10-11 19:41:43,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 38 transitions, 136 flow [2024-10-11 19:41:43,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 38 transitions, 132 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 19:41:43,820 INFO L231 Difference]: Finished difference. Result has 47 places, 37 transitions, 82 flow [2024-10-11 19:41:43,820 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=47, PETRI_TRANSITIONS=37} [2024-10-11 19:41:43,820 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, -5 predicate places. [2024-10-11 19:41:43,821 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 37 transitions, 82 flow [2024-10-11 19:41:43,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:41:43,821 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:41:43,821 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:41:43,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 19:41:43,821 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:41:43,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:41:43,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1292563015, now seen corresponding path program 1 times [2024-10-11 19:41:43,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:41:43,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629310361] [2024-10-11 19:41:43,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:41:43,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:41:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:41:44,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:41:44,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:41:44,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629310361] [2024-10-11 19:41:44,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629310361] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:41:44,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:41:44,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 19:41:44,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410873984] [2024-10-11 19:41:44,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:41:44,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 19:41:44,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:41:44,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 19:41:44,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 19:41:44,141 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 47 [2024-10-11 19:41:44,141 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 82 flow. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:41:44,141 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:41:44,141 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 47 [2024-10-11 19:41:44,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:41:45,099 INFO L124 PetriNetUnfolderBase]: 2423/3892 cut-off events. [2024-10-11 19:41:45,100 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 19:41:45,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7498 conditions, 3892 events. 2423/3892 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 24907 event pairs, 661 based on Foata normal form. 0/3808 useless extension candidates. Maximal degree in co-relation 7492. Up to 1372 conditions per place. [2024-10-11 19:41:45,120 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 32 selfloop transitions, 2 changer transitions 53/99 dead transitions. [2024-10-11 19:41:45,121 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 99 transitions, 380 flow [2024-10-11 19:41:45,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 19:41:45,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-11 19:41:45,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 217 transitions. [2024-10-11 19:41:45,125 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5771276595744681 [2024-10-11 19:41:45,126 INFO L175 Difference]: Start difference. First operand has 47 places, 37 transitions, 82 flow. Second operand 8 states and 217 transitions. [2024-10-11 19:41:45,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 99 transitions, 380 flow [2024-10-11 19:41:45,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 99 transitions, 379 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 19:41:45,129 INFO L231 Difference]: Finished difference. Result has 57 places, 36 transitions, 95 flow [2024-10-11 19:41:45,130 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=95, PETRI_PLACES=57, PETRI_TRANSITIONS=36} [2024-10-11 19:41:45,131 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 5 predicate places. [2024-10-11 19:41:45,132 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 36 transitions, 95 flow [2024-10-11 19:41:45,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:41:45,132 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:41:45,132 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:41:45,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 19:41:45,133 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:41:45,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:41:45,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1422718442, now seen corresponding path program 1 times [2024-10-11 19:41:45,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:41:45,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064524124] [2024-10-11 19:41:45,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:41:45,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:41:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:41:46,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:41:46,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:41:46,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064524124] [2024-10-11 19:41:46,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064524124] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:41:46,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:41:46,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 19:41:46,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521019789] [2024-10-11 19:41:46,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:41:46,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 19:41:46,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:41:46,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 19:41:46,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-11 19:41:46,697 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-11 19:41:46,697 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 36 transitions, 95 flow. Second operand has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:41:46,697 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:41:46,698 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-11 19:41:46,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:41:47,858 INFO L124 PetriNetUnfolderBase]: 2862/4608 cut-off events. [2024-10-11 19:41:47,858 INFO L125 PetriNetUnfolderBase]: For 546/546 co-relation queries the response was YES. [2024-10-11 19:41:47,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9805 conditions, 4608 events. 2862/4608 cut-off events. For 546/546 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 28473 event pairs, 299 based on Foata normal form. 75/4665 useless extension candidates. Maximal degree in co-relation 9793. Up to 2719 conditions per place. [2024-10-11 19:41:47,900 INFO L140 encePairwiseOnDemand]: 32/47 looper letters, 49 selfloop transitions, 23 changer transitions 22/105 dead transitions. [2024-10-11 19:41:47,901 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 105 transitions, 430 flow [2024-10-11 19:41:47,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 19:41:47,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-11 19:41:47,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 215 transitions. [2024-10-11 19:41:47,903 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5718085106382979 [2024-10-11 19:41:47,903 INFO L175 Difference]: Start difference. First operand has 57 places, 36 transitions, 95 flow. Second operand 8 states and 215 transitions. [2024-10-11 19:41:47,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 105 transitions, 430 flow [2024-10-11 19:41:47,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 105 transitions, 412 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-10-11 19:41:47,935 INFO L231 Difference]: Finished difference. Result has 57 places, 62 transitions, 244 flow [2024-10-11 19:41:47,935 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=244, PETRI_PLACES=57, PETRI_TRANSITIONS=62} [2024-10-11 19:41:47,937 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 5 predicate places. [2024-10-11 19:41:47,937 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 62 transitions, 244 flow [2024-10-11 19:41:47,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:41:47,938 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:41:47,938 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:41:47,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 19:41:47,939 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:41:47,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:41:47,941 INFO L85 PathProgramCache]: Analyzing trace with hash -493432102, now seen corresponding path program 2 times [2024-10-11 19:41:47,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:41:47,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034368834] [2024-10-11 19:41:47,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:41:47,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:41:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:41:49,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:41:49,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:41:49,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034368834] [2024-10-11 19:41:49,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034368834] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:41:49,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:41:49,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 19:41:49,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527973089] [2024-10-11 19:41:49,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:41:49,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 19:41:49,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:41:49,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 19:41:49,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-11 19:41:49,952 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-11 19:41:49,953 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 62 transitions, 244 flow. Second operand has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:41:49,953 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:41:49,953 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-11 19:41:49,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:41:51,553 INFO L124 PetriNetUnfolderBase]: 3224/5191 cut-off events. [2024-10-11 19:41:51,553 INFO L125 PetriNetUnfolderBase]: For 2104/2114 co-relation queries the response was YES. [2024-10-11 19:41:51,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14699 conditions, 5191 events. 3224/5191 cut-off events. For 2104/2114 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 32368 event pairs, 320 based on Foata normal form. 75/5248 useless extension candidates. Maximal degree in co-relation 14686. Up to 2967 conditions per place. [2024-10-11 19:41:51,593 INFO L140 encePairwiseOnDemand]: 32/47 looper letters, 60 selfloop transitions, 44 changer transitions 22/137 dead transitions. [2024-10-11 19:41:51,593 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 137 transitions, 780 flow [2024-10-11 19:41:51,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 19:41:51,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-11 19:41:51,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 241 transitions. [2024-10-11 19:41:51,595 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5697399527186762 [2024-10-11 19:41:51,595 INFO L175 Difference]: Start difference. First operand has 57 places, 62 transitions, 244 flow. Second operand 9 states and 241 transitions. [2024-10-11 19:41:51,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 137 transitions, 780 flow [2024-10-11 19:41:51,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 137 transitions, 774 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-10-11 19:41:51,608 INFO L231 Difference]: Finished difference. Result has 66 places, 91 transitions, 557 flow [2024-10-11 19:41:51,608 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=557, PETRI_PLACES=66, PETRI_TRANSITIONS=91} [2024-10-11 19:41:51,609 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 14 predicate places. [2024-10-11 19:41:51,609 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 91 transitions, 557 flow [2024-10-11 19:41:51,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:41:51,609 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:41:51,610 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:41:51,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 19:41:51,610 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:41:51,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:41:51,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1077433384, now seen corresponding path program 1 times [2024-10-11 19:41:51,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:41:51,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141474671] [2024-10-11 19:41:51,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:41:51,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:41:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:41:52,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:41:52,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:41:52,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141474671] [2024-10-11 19:41:52,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141474671] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:41:52,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:41:52,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 19:41:52,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734519148] [2024-10-11 19:41:52,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:41:52,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 19:41:52,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:41:52,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 19:41:52,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-11 19:41:52,522 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-11 19:41:52,523 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 91 transitions, 557 flow. Second operand has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:41:52,523 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:41:52,523 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-11 19:41:52,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:41:53,997 INFO L124 PetriNetUnfolderBase]: 4360/6972 cut-off events. [2024-10-11 19:41:53,998 INFO L125 PetriNetUnfolderBase]: For 8299/8309 co-relation queries the response was YES. [2024-10-11 19:41:54,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24961 conditions, 6972 events. 4360/6972 cut-off events. For 8299/8309 co-relation queries the response was YES. Maximal size of possible extension queue 366. Compared 46017 event pairs, 394 based on Foata normal form. 129/7083 useless extension candidates. Maximal degree in co-relation 24943. Up to 3183 conditions per place. [2024-10-11 19:41:54,057 INFO L140 encePairwiseOnDemand]: 32/47 looper letters, 107 selfloop transitions, 33 changer transitions 46/197 dead transitions. [2024-10-11 19:41:54,058 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 197 transitions, 1514 flow [2024-10-11 19:41:54,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 19:41:54,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-10-11 19:41:54,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 294 transitions. [2024-10-11 19:41:54,060 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5686653771760155 [2024-10-11 19:41:54,060 INFO L175 Difference]: Start difference. First operand has 66 places, 91 transitions, 557 flow. Second operand 11 states and 294 transitions. [2024-10-11 19:41:54,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 197 transitions, 1514 flow [2024-10-11 19:41:54,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 197 transitions, 1417 flow, removed 8 selfloop flow, removed 5 redundant places. [2024-10-11 19:41:54,115 INFO L231 Difference]: Finished difference. Result has 77 places, 118 transitions, 878 flow [2024-10-11 19:41:54,116 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=500, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=878, PETRI_PLACES=77, PETRI_TRANSITIONS=118} [2024-10-11 19:41:54,118 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 25 predicate places. [2024-10-11 19:41:54,118 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 118 transitions, 878 flow [2024-10-11 19:41:54,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:41:54,119 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:41:54,119 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:41:54,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 19:41:54,120 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:41:54,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:41:54,120 INFO L85 PathProgramCache]: Analyzing trace with hash -434974154, now seen corresponding path program 2 times [2024-10-11 19:41:54,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:41:54,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261809911] [2024-10-11 19:41:54,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:41:54,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:41:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:41:55,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:41:55,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:41:55,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261809911] [2024-10-11 19:41:55,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261809911] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:41:55,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:41:55,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 19:41:55,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517564745] [2024-10-11 19:41:55,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:41:55,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 19:41:55,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:41:55,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 19:41:55,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-11 19:41:55,791 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-11 19:41:55,791 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 118 transitions, 878 flow. Second operand has 10 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:41:55,791 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:41:55,791 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-11 19:41:55,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:41:57,194 INFO L124 PetriNetUnfolderBase]: 4283/6888 cut-off events. [2024-10-11 19:41:57,194 INFO L125 PetriNetUnfolderBase]: For 14688/14688 co-relation queries the response was YES. [2024-10-11 19:41:57,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27465 conditions, 6888 events. 4283/6888 cut-off events. For 14688/14688 co-relation queries the response was YES. Maximal size of possible extension queue 375. Compared 45840 event pairs, 982 based on Foata normal form. 70/6934 useless extension candidates. Maximal degree in co-relation 27441. Up to 5544 conditions per place. [2024-10-11 19:41:57,275 INFO L140 encePairwiseOnDemand]: 39/47 looper letters, 147 selfloop transitions, 16 changer transitions 35/209 dead transitions. [2024-10-11 19:41:57,276 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 209 transitions, 1910 flow [2024-10-11 19:41:57,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 19:41:57,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-11 19:41:57,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 204 transitions. [2024-10-11 19:41:57,277 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5425531914893617 [2024-10-11 19:41:57,278 INFO L175 Difference]: Start difference. First operand has 77 places, 118 transitions, 878 flow. Second operand 8 states and 204 transitions. [2024-10-11 19:41:57,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 209 transitions, 1910 flow [2024-10-11 19:41:57,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 209 transitions, 1864 flow, removed 8 selfloop flow, removed 4 redundant places. [2024-10-11 19:41:57,340 INFO L231 Difference]: Finished difference. Result has 82 places, 133 transitions, 1078 flow [2024-10-11 19:41:57,340 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=850, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1078, PETRI_PLACES=82, PETRI_TRANSITIONS=133} [2024-10-11 19:41:57,340 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 30 predicate places. [2024-10-11 19:41:57,341 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 133 transitions, 1078 flow [2024-10-11 19:41:57,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:41:57,341 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:41:57,341 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:41:57,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 19:41:57,341 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:41:57,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:41:57,342 INFO L85 PathProgramCache]: Analyzing trace with hash -735675559, now seen corresponding path program 1 times [2024-10-11 19:41:57,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:41:57,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637286018] [2024-10-11 19:41:57,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:41:57,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:41:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:41:58,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:41:58,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:41:58,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637286018] [2024-10-11 19:41:58,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637286018] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:41:58,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:41:58,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 19:41:58,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135404836] [2024-10-11 19:41:58,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:41:58,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 19:41:58,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:41:58,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 19:41:58,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-11 19:41:58,241 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-11 19:41:58,242 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 133 transitions, 1078 flow. Second operand has 10 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:41:58,242 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:41:58,242 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-11 19:41:58,242 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:42:00,498 INFO L124 PetriNetUnfolderBase]: 6419/10453 cut-off events. [2024-10-11 19:42:00,498 INFO L125 PetriNetUnfolderBase]: For 27826/27830 co-relation queries the response was YES. [2024-10-11 19:42:00,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40711 conditions, 10453 events. 6419/10453 cut-off events. For 27826/27830 co-relation queries the response was YES. Maximal size of possible extension queue 573. Compared 75745 event pairs, 1785 based on Foata normal form. 66/10508 useless extension candidates. Maximal degree in co-relation 40683. Up to 4629 conditions per place. [2024-10-11 19:42:00,592 INFO L140 encePairwiseOnDemand]: 33/47 looper letters, 117 selfloop transitions, 52 changer transitions 58/238 dead transitions. [2024-10-11 19:42:00,592 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 238 transitions, 2111 flow [2024-10-11 19:42:00,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 19:42:00,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-10-11 19:42:00,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 310 transitions. [2024-10-11 19:42:00,594 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.549645390070922 [2024-10-11 19:42:00,594 INFO L175 Difference]: Start difference. First operand has 82 places, 133 transitions, 1078 flow. Second operand 12 states and 310 transitions. [2024-10-11 19:42:00,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 238 transitions, 2111 flow [2024-10-11 19:42:00,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 238 transitions, 2049 flow, removed 31 selfloop flow, removed 4 redundant places. [2024-10-11 19:42:00,708 INFO L231 Difference]: Finished difference. Result has 93 places, 143 transitions, 1345 flow [2024-10-11 19:42:00,708 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1044, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1345, PETRI_PLACES=93, PETRI_TRANSITIONS=143} [2024-10-11 19:42:00,710 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 41 predicate places. [2024-10-11 19:42:00,710 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 143 transitions, 1345 flow [2024-10-11 19:42:00,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:42:00,711 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:42:00,712 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:42:00,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 19:42:00,712 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:42:00,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:42:00,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1300750051, now seen corresponding path program 2 times [2024-10-11 19:42:00,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:42:00,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020148513] [2024-10-11 19:42:00,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:42:00,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:42:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:42:00,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:42:00,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:42:00,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020148513] [2024-10-11 19:42:00,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020148513] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:42:00,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:42:00,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 19:42:00,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464135231] [2024-10-11 19:42:00,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:42:00,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 19:42:00,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:42:00,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 19:42:00,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 19:42:00,950 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 47 [2024-10-11 19:42:00,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 143 transitions, 1345 flow. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:42:00,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:42:00,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 47 [2024-10-11 19:42:00,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:42:03,062 INFO L124 PetriNetUnfolderBase]: 9948/15419 cut-off events. [2024-10-11 19:42:03,062 INFO L125 PetriNetUnfolderBase]: For 77011/77309 co-relation queries the response was YES. [2024-10-11 19:42:03,136 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64782 conditions, 15419 events. 9948/15419 cut-off events. For 77011/77309 co-relation queries the response was YES. Maximal size of possible extension queue 666. Compared 103758 event pairs, 1088 based on Foata normal form. 917/16280 useless extension candidates. Maximal degree in co-relation 64748. Up to 7730 conditions per place. [2024-10-11 19:42:03,196 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 201 selfloop transitions, 5 changer transitions 6/239 dead transitions. [2024-10-11 19:42:03,196 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 239 transitions, 2572 flow [2024-10-11 19:42:03,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 19:42:03,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-11 19:42:03,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 115 transitions. [2024-10-11 19:42:03,197 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6117021276595744 [2024-10-11 19:42:03,198 INFO L175 Difference]: Start difference. First operand has 93 places, 143 transitions, 1345 flow. Second operand 4 states and 115 transitions. [2024-10-11 19:42:03,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 239 transitions, 2572 flow [2024-10-11 19:42:03,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 239 transitions, 2493 flow, removed 18 selfloop flow, removed 6 redundant places. [2024-10-11 19:42:03,515 INFO L231 Difference]: Finished difference. Result has 86 places, 138 transitions, 1229 flow [2024-10-11 19:42:03,516 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1191, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1229, PETRI_PLACES=86, PETRI_TRANSITIONS=138} [2024-10-11 19:42:03,516 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 34 predicate places. [2024-10-11 19:42:03,517 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 138 transitions, 1229 flow [2024-10-11 19:42:03,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:42:03,517 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:42:03,517 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:42:03,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 19:42:03,517 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:42:03,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:42:03,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1636569368, now seen corresponding path program 1 times [2024-10-11 19:42:03,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:42:03,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139512573] [2024-10-11 19:42:03,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:42:03,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:42:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:42:03,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:42:03,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:42:03,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139512573] [2024-10-11 19:42:03,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139512573] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:42:03,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:42:03,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 19:42:03,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510486320] [2024-10-11 19:42:03,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:42:03,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 19:42:03,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:42:03,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 19:42:03,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 19:42:03,800 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 47 [2024-10-11 19:42:03,801 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 138 transitions, 1229 flow. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:42:03,801 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:42:03,801 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 47 [2024-10-11 19:42:03,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:42:05,817 INFO L124 PetriNetUnfolderBase]: 7215/11376 cut-off events. [2024-10-11 19:42:05,817 INFO L125 PetriNetUnfolderBase]: For 44695/44909 co-relation queries the response was YES. [2024-10-11 19:42:05,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47684 conditions, 11376 events. 7215/11376 cut-off events. For 44695/44909 co-relation queries the response was YES. Maximal size of possible extension queue 484. Compared 74697 event pairs, 818 based on Foata normal form. 662/12006 useless extension candidates. Maximal degree in co-relation 47651. Up to 4065 conditions per place. [2024-10-11 19:42:05,900 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 163 selfloop transitions, 8 changer transitions 9/202 dead transitions. [2024-10-11 19:42:05,900 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 202 transitions, 2063 flow [2024-10-11 19:42:05,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 19:42:05,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-11 19:42:05,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 147 transitions. [2024-10-11 19:42:05,902 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.625531914893617 [2024-10-11 19:42:05,902 INFO L175 Difference]: Start difference. First operand has 86 places, 138 transitions, 1229 flow. Second operand 5 states and 147 transitions. [2024-10-11 19:42:05,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 202 transitions, 2063 flow [2024-10-11 19:42:06,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 202 transitions, 2060 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 19:42:06,019 INFO L231 Difference]: Finished difference. Result has 91 places, 108 transitions, 957 flow [2024-10-11 19:42:06,020 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=918, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=957, PETRI_PLACES=91, PETRI_TRANSITIONS=108} [2024-10-11 19:42:06,020 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 39 predicate places. [2024-10-11 19:42:06,020 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 108 transitions, 957 flow [2024-10-11 19:42:06,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:42:06,021 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:42:06,021 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:42:06,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 19:42:06,021 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:42:06,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:42:06,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1705949052, now seen corresponding path program 1 times [2024-10-11 19:42:06,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:42:06,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530369729] [2024-10-11 19:42:06,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:42:06,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:42:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:42:08,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:42:08,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:42:08,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530369729] [2024-10-11 19:42:08,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530369729] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:42:08,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:42:08,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 19:42:08,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959469285] [2024-10-11 19:42:08,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:42:08,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 19:42:08,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:42:08,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 19:42:08,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-11 19:42:08,432 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-11 19:42:08,433 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 108 transitions, 957 flow. Second operand has 11 states, 11 states have (on average 16.727272727272727) internal successors, (184), 11 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:42:08,433 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:42:08,433 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-11 19:42:08,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:42:10,397 INFO L124 PetriNetUnfolderBase]: 6166/11210 cut-off events. [2024-10-11 19:42:10,397 INFO L125 PetriNetUnfolderBase]: For 46111/47787 co-relation queries the response was YES. [2024-10-11 19:42:10,471 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47547 conditions, 11210 events. 6166/11210 cut-off events. For 46111/47787 co-relation queries the response was YES. Maximal size of possible extension queue 682. Compared 91312 event pairs, 1055 based on Foata normal form. 349/10907 useless extension candidates. Maximal degree in co-relation 47511. Up to 4942 conditions per place. [2024-10-11 19:42:10,509 INFO L140 encePairwiseOnDemand]: 33/47 looper letters, 83 selfloop transitions, 41 changer transitions 45/188 dead transitions. [2024-10-11 19:42:10,509 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 188 transitions, 2042 flow [2024-10-11 19:42:10,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 19:42:10,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-11 19:42:10,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 246 transitions. [2024-10-11 19:42:10,511 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5234042553191489 [2024-10-11 19:42:10,511 INFO L175 Difference]: Start difference. First operand has 91 places, 108 transitions, 957 flow. Second operand 10 states and 246 transitions. [2024-10-11 19:42:10,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 188 transitions, 2042 flow [2024-10-11 19:42:10,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 188 transitions, 2030 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-10-11 19:42:10,645 INFO L231 Difference]: Finished difference. Result has 104 places, 119 transitions, 1305 flow [2024-10-11 19:42:10,646 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=945, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1305, PETRI_PLACES=104, PETRI_TRANSITIONS=119} [2024-10-11 19:42:10,647 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 52 predicate places. [2024-10-11 19:42:10,647 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 119 transitions, 1305 flow [2024-10-11 19:42:10,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.727272727272727) internal successors, (184), 11 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:42:10,647 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:42:10,647 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:42:10,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 19:42:10,648 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:42:10,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:42:10,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1291562878, now seen corresponding path program 2 times [2024-10-11 19:42:10,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:42:10,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387092951] [2024-10-11 19:42:10,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:42:10,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:42:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:42:12,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:42:12,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:42:12,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387092951] [2024-10-11 19:42:12,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387092951] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:42:12,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:42:12,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 19:42:12,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665317659] [2024-10-11 19:42:12,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:42:12,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 19:42:12,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:42:12,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 19:42:12,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-10-11 19:42:12,986 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-11 19:42:12,986 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 119 transitions, 1305 flow. Second operand has 11 states, 11 states have (on average 16.727272727272727) internal successors, (184), 11 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:42:12,986 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:42:12,986 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-11 19:42:12,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:42:16,011 INFO L124 PetriNetUnfolderBase]: 9097/16587 cut-off events. [2024-10-11 19:42:16,012 INFO L125 PetriNetUnfolderBase]: For 81460/83523 co-relation queries the response was YES. [2024-10-11 19:42:16,100 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73635 conditions, 16587 events. 9097/16587 cut-off events. For 81460/83523 co-relation queries the response was YES. Maximal size of possible extension queue 1116. Compared 147671 event pairs, 3206 based on Foata normal form. 501/15883 useless extension candidates. Maximal degree in co-relation 73593. Up to 7163 conditions per place. [2024-10-11 19:42:16,140 INFO L140 encePairwiseOnDemand]: 36/47 looper letters, 116 selfloop transitions, 45 changer transitions 58/238 dead transitions. [2024-10-11 19:42:16,140 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 238 transitions, 2848 flow [2024-10-11 19:42:16,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 19:42:16,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-10-11 19:42:16,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 282 transitions. [2024-10-11 19:42:16,142 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5454545454545454 [2024-10-11 19:42:16,142 INFO L175 Difference]: Start difference. First operand has 104 places, 119 transitions, 1305 flow. Second operand 11 states and 282 transitions. [2024-10-11 19:42:16,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 238 transitions, 2848 flow [2024-10-11 19:42:16,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 238 transitions, 2573 flow, removed 84 selfloop flow, removed 12 redundant places. [2024-10-11 19:42:16,490 INFO L231 Difference]: Finished difference. Result has 105 places, 134 transitions, 1472 flow [2024-10-11 19:42:16,491 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1136, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1472, PETRI_PLACES=105, PETRI_TRANSITIONS=134} [2024-10-11 19:42:16,491 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 53 predicate places. [2024-10-11 19:42:16,491 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 134 transitions, 1472 flow [2024-10-11 19:42:16,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.727272727272727) internal successors, (184), 11 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:42:16,492 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:42:16,492 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:42:16,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 19:42:16,492 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:42:16,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:42:16,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1330810326, now seen corresponding path program 3 times [2024-10-11 19:42:16,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:42:16,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139835329] [2024-10-11 19:42:16,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:42:16,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:42:16,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:42:18,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:42:18,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:42:18,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139835329] [2024-10-11 19:42:18,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139835329] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:42:18,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:42:18,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 19:42:18,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203691612] [2024-10-11 19:42:18,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:42:18,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 19:42:18,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:42:18,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 19:42:18,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-11 19:42:18,963 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-11 19:42:18,963 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 134 transitions, 1472 flow. Second operand has 12 states, 12 states have (on average 16.583333333333332) internal successors, (199), 12 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:42:18,963 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:42:18,963 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-11 19:42:18,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:42:22,161 INFO L124 PetriNetUnfolderBase]: 8246/14998 cut-off events. [2024-10-11 19:42:22,161 INFO L125 PetriNetUnfolderBase]: For 79583/81650 co-relation queries the response was YES. [2024-10-11 19:42:22,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67879 conditions, 14998 events. 8246/14998 cut-off events. For 79583/81650 co-relation queries the response was YES. Maximal size of possible extension queue 1009. Compared 129759 event pairs, 890 based on Foata normal form. 428/14501 useless extension candidates. Maximal degree in co-relation 67836. Up to 4810 conditions per place. [2024-10-11 19:42:22,279 INFO L140 encePairwiseOnDemand]: 33/47 looper letters, 108 selfloop transitions, 74 changer transitions 20/221 dead transitions. [2024-10-11 19:42:22,279 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 221 transitions, 2741 flow [2024-10-11 19:42:22,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 19:42:22,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-11 19:42:22,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 258 transitions. [2024-10-11 19:42:22,281 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.548936170212766 [2024-10-11 19:42:22,281 INFO L175 Difference]: Start difference. First operand has 105 places, 134 transitions, 1472 flow. Second operand 10 states and 258 transitions. [2024-10-11 19:42:22,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 221 transitions, 2741 flow [2024-10-11 19:42:22,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 221 transitions, 2623 flow, removed 38 selfloop flow, removed 7 redundant places. [2024-10-11 19:42:22,441 INFO L231 Difference]: Finished difference. Result has 107 places, 163 transitions, 2015 flow [2024-10-11 19:42:22,441 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1378, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2015, PETRI_PLACES=107, PETRI_TRANSITIONS=163} [2024-10-11 19:42:22,442 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 55 predicate places. [2024-10-11 19:42:22,442 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 163 transitions, 2015 flow [2024-10-11 19:42:22,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 16.583333333333332) internal successors, (199), 12 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:42:22,442 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:42:22,443 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:42:22,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 19:42:22,443 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:42:22,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:42:22,443 INFO L85 PathProgramCache]: Analyzing trace with hash -707507542, now seen corresponding path program 4 times [2024-10-11 19:42:22,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:42:22,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773548985] [2024-10-11 19:42:22,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:42:22,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:42:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:42:22,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:42:22,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:42:22,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773548985] [2024-10-11 19:42:22,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773548985] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:42:22,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:42:22,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 19:42:22,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486293648] [2024-10-11 19:42:22,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:42:22,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 19:42:22,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:42:22,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 19:42:22,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-11 19:42:22,729 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 47 [2024-10-11 19:42:22,730 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 163 transitions, 2015 flow. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:42:22,730 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:42:22,730 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 47 [2024-10-11 19:42:22,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:42:25,424 INFO L124 PetriNetUnfolderBase]: 12911/20480 cut-off events. [2024-10-11 19:42:25,424 INFO L125 PetriNetUnfolderBase]: For 167323/167871 co-relation queries the response was YES. [2024-10-11 19:42:25,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103913 conditions, 20480 events. 12911/20480 cut-off events. For 167323/167871 co-relation queries the response was YES. Maximal size of possible extension queue 1079. Compared 151798 event pairs, 1550 based on Foata normal form. 864/21318 useless extension candidates. Maximal degree in co-relation 103871. Up to 8293 conditions per place. [2024-10-11 19:42:25,602 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 122 selfloop transitions, 11 changer transitions 107/277 dead transitions. [2024-10-11 19:42:25,602 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 277 transitions, 3727 flow [2024-10-11 19:42:25,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 19:42:25,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 19:42:25,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 153 transitions. [2024-10-11 19:42:25,603 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5425531914893617 [2024-10-11 19:42:25,603 INFO L175 Difference]: Start difference. First operand has 107 places, 163 transitions, 2015 flow. Second operand 6 states and 153 transitions. [2024-10-11 19:42:25,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 277 transitions, 3727 flow [2024-10-11 19:42:26,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 277 transitions, 3326 flow, removed 142 selfloop flow, removed 8 redundant places. [2024-10-11 19:42:26,405 INFO L231 Difference]: Finished difference. Result has 104 places, 114 transitions, 1324 flow [2024-10-11 19:42:26,406 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1709, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1324, PETRI_PLACES=104, PETRI_TRANSITIONS=114} [2024-10-11 19:42:26,406 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 52 predicate places. [2024-10-11 19:42:26,406 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 114 transitions, 1324 flow [2024-10-11 19:42:26,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:42:26,407 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:42:26,407 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:42:26,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 19:42:26,407 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:42:26,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:42:26,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1223552245, now seen corresponding path program 1 times [2024-10-11 19:42:26,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:42:26,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751021143] [2024-10-11 19:42:26,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:42:26,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:42:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:42:26,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:42:26,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:42:26,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751021143] [2024-10-11 19:42:26,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751021143] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:42:26,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:42:26,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 19:42:26,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790965709] [2024-10-11 19:42:26,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:42:26,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 19:42:26,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:42:26,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 19:42:26,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 19:42:26,729 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 47 [2024-10-11 19:42:26,730 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 114 transitions, 1324 flow. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:42:26,730 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:42:26,730 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 47 [2024-10-11 19:42:26,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:42:27,540 INFO L124 PetriNetUnfolderBase]: 3241/6421 cut-off events. [2024-10-11 19:42:27,541 INFO L125 PetriNetUnfolderBase]: For 34562/36149 co-relation queries the response was YES. [2024-10-11 19:42:27,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27931 conditions, 6421 events. 3241/6421 cut-off events. For 34562/36149 co-relation queries the response was YES. Maximal size of possible extension queue 553. Compared 53712 event pairs, 416 based on Foata normal form. 272/6136 useless extension candidates. Maximal degree in co-relation 27893. Up to 2388 conditions per place. [2024-10-11 19:42:27,582 INFO L140 encePairwiseOnDemand]: 42/47 looper letters, 35 selfloop transitions, 1 changer transitions 95/152 dead transitions. [2024-10-11 19:42:27,582 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 152 transitions, 1827 flow [2024-10-11 19:42:27,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 19:42:27,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 19:42:27,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 142 transitions. [2024-10-11 19:42:27,583 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5035460992907801 [2024-10-11 19:42:27,583 INFO L175 Difference]: Start difference. First operand has 104 places, 114 transitions, 1324 flow. Second operand 6 states and 142 transitions. [2024-10-11 19:42:27,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 152 transitions, 1827 flow [2024-10-11 19:42:27,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 152 transitions, 1653 flow, removed 65 selfloop flow, removed 6 redundant places. [2024-10-11 19:42:27,810 INFO L231 Difference]: Finished difference. Result has 105 places, 52 transitions, 410 flow [2024-10-11 19:42:27,810 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1175, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=410, PETRI_PLACES=105, PETRI_TRANSITIONS=52} [2024-10-11 19:42:27,810 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 53 predicate places. [2024-10-11 19:42:27,811 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 52 transitions, 410 flow [2024-10-11 19:42:27,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:42:27,811 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:42:27,811 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:42:27,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 19:42:27,811 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:42:27,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:42:27,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1808653159, now seen corresponding path program 2 times [2024-10-11 19:42:27,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:42:27,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058217307] [2024-10-11 19:42:27,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:42:27,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:42:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:42:30,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:42:30,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:42:30,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058217307] [2024-10-11 19:42:30,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058217307] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:42:30,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:42:30,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 19:42:30,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53132566] [2024-10-11 19:42:30,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:42:30,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 19:42:30,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:42:30,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 19:42:30,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-11 19:42:30,363 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-11 19:42:30,364 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 52 transitions, 410 flow. Second operand has 12 states, 12 states have (on average 16.833333333333332) internal successors, (202), 12 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:42:30,364 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:42:30,364 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-11 19:42:30,364 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:42:30,991 INFO L124 PetriNetUnfolderBase]: 843/1753 cut-off events. [2024-10-11 19:42:30,991 INFO L125 PetriNetUnfolderBase]: For 4691/5260 co-relation queries the response was YES. [2024-10-11 19:42:30,998 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6995 conditions, 1753 events. 843/1753 cut-off events. For 4691/5260 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 12275 event pairs, 65 based on Foata normal form. 55/1641 useless extension candidates. Maximal degree in co-relation 6964. Up to 442 conditions per place. [2024-10-11 19:42:31,001 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 0 selfloop transitions, 0 changer transitions 80/80 dead transitions. [2024-10-11 19:42:31,001 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 80 transitions, 681 flow [2024-10-11 19:42:31,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 19:42:31,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-11 19:42:31,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 210 transitions. [2024-10-11 19:42:31,003 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.44680851063829785 [2024-10-11 19:42:31,003 INFO L175 Difference]: Start difference. First operand has 105 places, 52 transitions, 410 flow. Second operand 10 states and 210 transitions. [2024-10-11 19:42:31,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 80 transitions, 681 flow [2024-10-11 19:42:31,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 80 transitions, 565 flow, removed 10 selfloop flow, removed 27 redundant places. [2024-10-11 19:42:31,017 INFO L231 Difference]: Finished difference. Result has 78 places, 0 transitions, 0 flow [2024-10-11 19:42:31,017 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=0, PETRI_PLACES=78, PETRI_TRANSITIONS=0} [2024-10-11 19:42:31,018 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 26 predicate places. [2024-10-11 19:42:31,018 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 0 transitions, 0 flow [2024-10-11 19:42:31,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 16.833333333333332) internal successors, (202), 12 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:42:31,021 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2024-10-11 19:42:31,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining) [2024-10-11 19:42:31,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining) [2024-10-11 19:42:31,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-10-11 19:42:31,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-10-11 19:42:31,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-10-11 19:42:31,024 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-10-11 19:42:31,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 19:42:31,024 INFO L407 BasicCegarLoop]: Path program histogram: [4, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-11 19:42:31,031 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 19:42:31,032 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 19:42:31,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 07:42:31 BasicIcfg [2024-10-11 19:42:31,038 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 19:42:31,039 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 19:42:31,039 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 19:42:31,039 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 19:42:31,040 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:41:40" (3/4) ... [2024-10-11 19:42:31,041 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 19:42:31,044 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-11 19:42:31,044 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-11 19:42:31,044 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-11 19:42:31,052 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 92 nodes and edges [2024-10-11 19:42:31,053 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-10-11 19:42:31,054 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 19:42:31,054 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 19:42:31,159 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 19:42:31,159 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 19:42:31,159 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 19:42:31,160 INFO L158 Benchmark]: Toolchain (without parser) took 52290.18ms. Allocated memory was 161.5MB in the beginning and 4.1GB in the end (delta: 3.9GB). Free memory was 113.8MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2024-10-11 19:42:31,160 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 109.1MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 19:42:31,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 682.52ms. Allocated memory is still 161.5MB. Free memory was 113.4MB in the beginning and 83.6MB in the end (delta: 29.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-10-11 19:42:31,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.07ms. Allocated memory is still 161.5MB. Free memory was 83.6MB in the beginning and 79.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 19:42:31,161 INFO L158 Benchmark]: Boogie Preprocessor took 98.42ms. Allocated memory is still 161.5MB. Free memory was 79.8MB in the beginning and 73.9MB in the end (delta: 5.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 19:42:31,162 INFO L158 Benchmark]: RCFGBuilder took 1080.37ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 73.9MB in the beginning and 153.0MB in the end (delta: -79.1MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2024-10-11 19:42:31,162 INFO L158 Benchmark]: TraceAbstraction took 50228.49ms. Allocated memory was 195.0MB in the beginning and 4.1GB in the end (delta: 3.9GB). Free memory was 152.0MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2024-10-11 19:42:31,163 INFO L158 Benchmark]: Witness Printer took 120.91ms. Allocated memory is still 4.1GB. Free memory was 1.9GB in the beginning and 1.9GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 19:42:31,164 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 109.1MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 682.52ms. Allocated memory is still 161.5MB. Free memory was 113.4MB in the beginning and 83.6MB in the end (delta: 29.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.07ms. Allocated memory is still 161.5MB. Free memory was 83.6MB in the beginning and 79.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.42ms. Allocated memory is still 161.5MB. Free memory was 79.8MB in the beginning and 73.9MB in the end (delta: 5.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1080.37ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 73.9MB in the beginning and 153.0MB in the end (delta: -79.1MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * TraceAbstraction took 50228.49ms. Allocated memory was 195.0MB in the beginning and 4.1GB in the end (delta: 3.9GB). Free memory was 152.0MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. * Witness Printer took 120.91ms. Allocated memory is still 4.1GB. Free memory was 1.9GB in the beginning and 1.9GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 866]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 74 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 50.1s, OverallIterations: 16, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 31.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1080 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1064 mSDsluCounter, 182 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 144 mSDsCounter, 321 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4312 IncrementalHoareTripleChecker+Invalid, 4633 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 321 mSolverCounterUnsat, 38 mSDtfsCounter, 4312 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 163 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2015occurred in iteration=13, InterpolantAutomatonStates: 124, 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: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 17.7s InterpolantComputationTime, 355 NumberOfCodeBlocks, 355 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 339 ConstructedInterpolants, 0 QuantifiedInterpolants, 3494 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-11 19:42:31,199 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE