./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/mix026_pso.opt_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-wmm/mix026_pso.opt_rmo.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 a0c922061e4dc1feb6389a43fa3f654e69e326084cac4d5446a529710663ff29 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 17:53:20,957 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 17:53:21,014 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-10 17:53:21,018 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 17:53:21,020 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 17:53:21,048 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 17:53:21,049 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 17:53:21,049 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 17:53:21,049 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 17:53:21,050 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 17:53:21,051 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 17:53:21,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 17:53:21,052 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 17:53:21,052 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 17:53:21,054 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 17:53:21,054 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 17:53:21,054 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 17:53:21,054 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 17:53:21,055 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 17:53:21,055 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 17:53:21,055 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-10 17:53:21,056 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-10 17:53:21,057 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-10 17:53:21,057 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 17:53:21,057 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 17:53:21,057 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 17:53:21,057 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 17:53:21,058 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 17:53:21,058 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 17:53:21,058 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 17:53:21,058 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 17:53:21,058 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 17:53:21,058 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 17:53:21,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 17:53:21,059 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 17:53:21,059 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 17:53:21,059 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 17:53:21,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 17:53:21,059 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 17:53:21,059 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 17:53:21,059 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 17:53:21,063 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 17:53:21,063 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0c922061e4dc1feb6389a43fa3f654e69e326084cac4d5446a529710663ff29 [2024-11-10 17:53:21,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 17:53:21,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 17:53:21,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 17:53:21,308 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 17:53:21,308 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 17:53:21,309 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix026_pso.opt_rmo.opt.i [2024-11-10 17:53:22,632 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 17:53:22,847 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 17:53:22,848 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix026_pso.opt_rmo.opt.i [2024-11-10 17:53:22,858 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2cd3ab3d/cdd1920d67ac40ea9b5e3a160f243193/FLAGe46af4188 [2024-11-10 17:53:23,184 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2cd3ab3d/cdd1920d67ac40ea9b5e3a160f243193 [2024-11-10 17:53:23,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 17:53:23,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 17:53:23,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 17:53:23,190 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 17:53:23,198 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 17:53:23,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:53:23" (1/1) ... [2024-11-10 17:53:23,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c97f11e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:53:23, skipping insertion in model container [2024-11-10 17:53:23,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:53:23" (1/1) ... [2024-11-10 17:53:23,246 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 17:53:23,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 17:53:23,608 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 17:53:23,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 17:53:23,700 INFO L204 MainTranslator]: Completed translation [2024-11-10 17:53:23,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:53:23 WrapperNode [2024-11-10 17:53:23,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 17:53:23,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 17:53:23,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 17:53:23,703 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 17:53:23,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:53:23" (1/1) ... [2024-11-10 17:53:23,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:53:23" (1/1) ... [2024-11-10 17:53:23,754 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 132 [2024-11-10 17:53:23,757 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 17:53:23,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 17:53:23,758 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 17:53:23,758 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 17:53:23,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:53:23" (1/1) ... [2024-11-10 17:53:23,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:53:23" (1/1) ... [2024-11-10 17:53:23,771 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:53:23" (1/1) ... [2024-11-10 17:53:23,801 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]. [2024-11-10 17:53:23,803 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:53:23" (1/1) ... [2024-11-10 17:53:23,803 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:53:23" (1/1) ... [2024-11-10 17:53:23,812 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:53:23" (1/1) ... [2024-11-10 17:53:23,812 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:53:23" (1/1) ... [2024-11-10 17:53:23,814 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:53:23" (1/1) ... [2024-11-10 17:53:23,815 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:53:23" (1/1) ... [2024-11-10 17:53:23,817 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 17:53:23,817 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 17:53:23,818 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 17:53:23,818 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 17:53:23,818 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:53:23" (1/1) ... [2024-11-10 17:53:23,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 17:53:23,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 17:53:23,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 17:53:23,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 17:53:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 17:53:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 17:53:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-10 17:53:23,900 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-10 17:53:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-10 17:53:23,901 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-10 17:53:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-10 17:53:23,901 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-10 17:53:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-10 17:53:23,901 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-10 17:53:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 17:53:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 17:53:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 17:53:23,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 17:53:23,904 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 17:53:24,007 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 17:53:24,009 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 17:53:24,244 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 17:53:24,244 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 17:53:24,401 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 17:53:24,402 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 17:53:24,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:53:24 BoogieIcfgContainer [2024-11-10 17:53:24,402 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 17:53:24,404 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 17:53:24,404 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 17:53:24,406 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 17:53:24,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:53:23" (1/3) ... [2024-11-10 17:53:24,407 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@389da5f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:53:24, skipping insertion in model container [2024-11-10 17:53:24,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:53:23" (2/3) ... [2024-11-10 17:53:24,408 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@389da5f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:53:24, skipping insertion in model container [2024-11-10 17:53:24,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:53:24" (3/3) ... [2024-11-10 17:53:24,409 INFO L112 eAbstractionObserver]: Analyzing ICFG mix026_pso.opt_rmo.opt.i [2024-11-10 17:53:24,422 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 17:53:24,422 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-10 17:53:24,422 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 17:53:24,464 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 17:53:24,489 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 54 transitions, 124 flow [2024-11-10 17:53:24,511 INFO L124 PetriNetUnfolderBase]: 2/50 cut-off events. [2024-11-10 17:53:24,511 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 17:53:24,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 50 events. 2/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 107 event pairs, 0 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2024-11-10 17:53:24,517 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 54 transitions, 124 flow [2024-11-10 17:53:24,523 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 61 places, 50 transitions, 112 flow [2024-11-10 17:53:24,534 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 17:53:24,539 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;@4f005200, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 17:53:24,539 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-10 17:53:24,544 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 17:53:24,544 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2024-11-10 17:53:24,544 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 17:53:24,545 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:53:24,545 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:53:24,546 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:53:24,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:53:24,550 INFO L85 PathProgramCache]: Analyzing trace with hash 260671434, now seen corresponding path program 1 times [2024-11-10 17:53:24,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:53:24,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767608474] [2024-11-10 17:53:24,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:53:24,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:53:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:53:25,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:53:25,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:53:25,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767608474] [2024-11-10 17:53:25,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767608474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:53:25,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:53:25,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 17:53:25,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333153354] [2024-11-10 17:53:25,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:53:25,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:53:25,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:53:25,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:53:25,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:53:25,049 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 54 [2024-11-10 17:53:25,051 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 50 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-11-10 17:53:25,052 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:53:25,052 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 54 [2024-11-10 17:53:25,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:53:30,066 INFO L124 PetriNetUnfolderBase]: 50459/66923 cut-off events. [2024-11-10 17:53:30,067 INFO L125 PetriNetUnfolderBase]: For 235/235 co-relation queries the response was YES. [2024-11-10 17:53:30,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 133543 conditions, 66923 events. 50459/66923 cut-off events. For 235/235 co-relation queries the response was YES. Maximal size of possible extension queue 1934. Compared 401601 event pairs, 6359 based on Foata normal form. 2988/69830 useless extension candidates. Maximal degree in co-relation 133531. Up to 57061 conditions per place. [2024-11-10 17:53:30,603 INFO L140 encePairwiseOnDemand]: 49/54 looper letters, 61 selfloop transitions, 2 changer transitions 2/73 dead transitions. [2024-11-10 17:53:30,604 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 73 transitions, 291 flow [2024-11-10 17:53:30,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:53:30,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 17:53:30,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 106 transitions. [2024-11-10 17:53:30,613 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.654320987654321 [2024-11-10 17:53:30,614 INFO L175 Difference]: Start difference. First operand has 61 places, 50 transitions, 112 flow. Second operand 3 states and 106 transitions. [2024-11-10 17:53:30,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 73 transitions, 291 flow [2024-11-10 17:53:30,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 73 transitions, 286 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 17:53:30,622 INFO L231 Difference]: Finished difference. Result has 57 places, 45 transitions, 102 flow [2024-11-10 17:53:30,624 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=57, PETRI_TRANSITIONS=45} [2024-11-10 17:53:30,627 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -4 predicate places. [2024-11-10 17:53:30,627 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 45 transitions, 102 flow [2024-11-10 17:53:30,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-11-10 17:53:30,628 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:53:30,628 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:53:30,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 17:53:30,628 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:53:30,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:53:30,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1508614712, now seen corresponding path program 1 times [2024-11-10 17:53:30,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:53:30,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789720518] [2024-11-10 17:53:30,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:53:30,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:53:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:53:30,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:53:30,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:53:30,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789720518] [2024-11-10 17:53:30,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789720518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:53:30,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:53:30,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 17:53:30,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144441232] [2024-11-10 17:53:30,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:53:30,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:53:30,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:53:30,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:53:30,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:53:30,693 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 54 [2024-11-10 17:53:30,693 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 45 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2024-11-10 17:53:30,693 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:53:30,693 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 54 [2024-11-10 17:53:30,693 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:53:34,776 INFO L124 PetriNetUnfolderBase]: 45383/63239 cut-off events. [2024-11-10 17:53:34,777 INFO L125 PetriNetUnfolderBase]: For 2340/2340 co-relation queries the response was YES. [2024-11-10 17:53:34,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125609 conditions, 63239 events. 45383/63239 cut-off events. For 2340/2340 co-relation queries the response was YES. Maximal size of possible extension queue 1946. Compared 409980 event pairs, 45383 based on Foata normal form. 1512/64460 useless extension candidates. Maximal degree in co-relation 125599. Up to 59508 conditions per place. [2024-11-10 17:53:35,066 INFO L140 encePairwiseOnDemand]: 52/54 looper letters, 35 selfloop transitions, 1 changer transitions 1/44 dead transitions. [2024-11-10 17:53:35,067 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 44 transitions, 174 flow [2024-11-10 17:53:35,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:53:35,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 17:53:35,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 71 transitions. [2024-11-10 17:53:35,068 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4382716049382716 [2024-11-10 17:53:35,068 INFO L175 Difference]: Start difference. First operand has 57 places, 45 transitions, 102 flow. Second operand 3 states and 71 transitions. [2024-11-10 17:53:35,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 44 transitions, 174 flow [2024-11-10 17:53:35,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 44 transitions, 170 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 17:53:35,076 INFO L231 Difference]: Finished difference. Result has 55 places, 43 transitions, 96 flow [2024-11-10 17:53:35,076 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=55, PETRI_TRANSITIONS=43} [2024-11-10 17:53:35,076 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -6 predicate places. [2024-11-10 17:53:35,077 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 43 transitions, 96 flow [2024-11-10 17:53:35,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2024-11-10 17:53:35,077 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:53:35,077 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:53:35,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 17:53:35,079 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:53:35,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:53:35,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1508615392, now seen corresponding path program 1 times [2024-11-10 17:53:35,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:53:35,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514702150] [2024-11-10 17:53:35,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:53:35,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:53:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:53:35,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:53:35,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:53:35,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514702150] [2024-11-10 17:53:35,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514702150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:53:35,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:53:35,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 17:53:35,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568663038] [2024-11-10 17:53:35,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:53:35,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 17:53:35,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:53:35,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 17:53:35,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 17:53:35,254 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 54 [2024-11-10 17:53:35,254 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 43 transitions, 96 flow. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2024-11-10 17:53:35,255 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:53:35,256 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 54 [2024-11-10 17:53:35,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:53:38,251 INFO L124 PetriNetUnfolderBase]: 36511/52335 cut-off events. [2024-11-10 17:53:38,251 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 17:53:38,383 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101573 conditions, 52335 events. 36511/52335 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1676. Compared 355484 event pairs, 4407 based on Foata normal form. 1512/53800 useless extension candidates. Maximal degree in co-relation 101567. Up to 29929 conditions per place. [2024-11-10 17:53:38,515 INFO L140 encePairwiseOnDemand]: 47/54 looper letters, 75 selfloop transitions, 6 changer transitions 1/89 dead transitions. [2024-11-10 17:53:38,515 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 89 transitions, 358 flow [2024-11-10 17:53:38,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 17:53:38,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 17:53:38,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 132 transitions. [2024-11-10 17:53:38,517 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6111111111111112 [2024-11-10 17:53:38,517 INFO L175 Difference]: Start difference. First operand has 55 places, 43 transitions, 96 flow. Second operand 4 states and 132 transitions. [2024-11-10 17:53:38,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 89 transitions, 358 flow [2024-11-10 17:53:38,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 89 transitions, 357 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 17:53:38,519 INFO L231 Difference]: Finished difference. Result has 58 places, 47 transitions, 137 flow [2024-11-10 17:53:38,519 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=137, PETRI_PLACES=58, PETRI_TRANSITIONS=47} [2024-11-10 17:53:38,520 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places. [2024-11-10 17:53:38,520 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 47 transitions, 137 flow [2024-11-10 17:53:38,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2024-11-10 17:53:38,521 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:53:38,521 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] [2024-11-10 17:53:38,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 17:53:38,521 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:53:38,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:53:38,521 INFO L85 PathProgramCache]: Analyzing trace with hash 202413090, now seen corresponding path program 1 times [2024-11-10 17:53:38,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:53:38,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746389097] [2024-11-10 17:53:38,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:53:38,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:53:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:53:38,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:53:38,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:53:38,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746389097] [2024-11-10 17:53:38,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746389097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:53:38,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:53:38,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 17:53:38,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305572294] [2024-11-10 17:53:38,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:53:38,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 17:53:38,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:53:38,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 17:53:38,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 17:53:38,664 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 54 [2024-11-10 17:53:38,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 47 transitions, 137 flow. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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) [2024-11-10 17:53:38,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:53:38,665 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 54 [2024-11-10 17:53:38,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:53:40,993 INFO L124 PetriNetUnfolderBase]: 23071/33103 cut-off events. [2024-11-10 17:53:40,997 INFO L125 PetriNetUnfolderBase]: For 6368/6368 co-relation queries the response was YES. [2024-11-10 17:53:41,084 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73480 conditions, 33103 events. 23071/33103 cut-off events. For 6368/6368 co-relation queries the response was YES. Maximal size of possible extension queue 873. Compared 207539 event pairs, 2563 based on Foata normal form. 1192/34248 useless extension candidates. Maximal degree in co-relation 73471. Up to 13513 conditions per place. [2024-11-10 17:53:41,158 INFO L140 encePairwiseOnDemand]: 47/54 looper letters, 97 selfloop transitions, 10 changer transitions 1/115 dead transitions. [2024-11-10 17:53:41,162 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 115 transitions, 518 flow [2024-11-10 17:53:41,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 17:53:41,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 17:53:41,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 170 transitions. [2024-11-10 17:53:41,164 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6296296296296297 [2024-11-10 17:53:41,164 INFO L175 Difference]: Start difference. First operand has 58 places, 47 transitions, 137 flow. Second operand 5 states and 170 transitions. [2024-11-10 17:53:41,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 115 transitions, 518 flow [2024-11-10 17:53:41,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 115 transitions, 507 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-10 17:53:41,184 INFO L231 Difference]: Finished difference. Result has 62 places, 51 transitions, 189 flow [2024-11-10 17:53:41,184 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=189, PETRI_PLACES=62, PETRI_TRANSITIONS=51} [2024-11-10 17:53:41,185 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, 1 predicate places. [2024-11-10 17:53:41,189 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 51 transitions, 189 flow [2024-11-10 17:53:41,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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) [2024-11-10 17:53:41,190 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:53:41,190 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] [2024-11-10 17:53:41,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 17:53:41,190 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:53:41,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:53:41,190 INFO L85 PathProgramCache]: Analyzing trace with hash 980967814, now seen corresponding path program 1 times [2024-11-10 17:53:41,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:53:41,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252521502] [2024-11-10 17:53:41,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:53:41,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:53:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:53:41,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:53:41,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:53:41,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252521502] [2024-11-10 17:53:41,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252521502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:53:41,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:53:41,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 17:53:41,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639624577] [2024-11-10 17:53:41,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:53:41,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 17:53:41,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:53:41,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 17:53:41,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-10 17:53:41,528 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 54 [2024-11-10 17:53:41,530 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 51 transitions, 189 flow. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 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) [2024-11-10 17:53:41,530 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:53:41,530 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 54 [2024-11-10 17:53:41,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:53:42,687 INFO L124 PetriNetUnfolderBase]: 13599/19135 cut-off events. [2024-11-10 17:53:42,688 INFO L125 PetriNetUnfolderBase]: For 11758/11758 co-relation queries the response was YES. [2024-11-10 17:53:42,725 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46840 conditions, 19135 events. 13599/19135 cut-off events. For 11758/11758 co-relation queries the response was YES. Maximal size of possible extension queue 499. Compared 105220 event pairs, 2215 based on Foata normal form. 584/19672 useless extension candidates. Maximal degree in co-relation 46829. Up to 5388 conditions per place. [2024-11-10 17:53:42,772 INFO L140 encePairwiseOnDemand]: 47/54 looper letters, 117 selfloop transitions, 14 changer transitions 1/139 dead transitions. [2024-11-10 17:53:42,772 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 139 transitions, 677 flow [2024-11-10 17:53:42,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 17:53:42,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 17:53:42,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 206 transitions. [2024-11-10 17:53:42,774 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6358024691358025 [2024-11-10 17:53:42,774 INFO L175 Difference]: Start difference. First operand has 62 places, 51 transitions, 189 flow. Second operand 6 states and 206 transitions. [2024-11-10 17:53:42,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 139 transitions, 677 flow [2024-11-10 17:53:42,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 139 transitions, 647 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-10 17:53:42,893 INFO L231 Difference]: Finished difference. Result has 65 places, 55 transitions, 239 flow [2024-11-10 17:53:42,893 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=239, PETRI_PLACES=65, PETRI_TRANSITIONS=55} [2024-11-10 17:53:42,894 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, 4 predicate places. [2024-11-10 17:53:42,895 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 55 transitions, 239 flow [2024-11-10 17:53:42,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 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) [2024-11-10 17:53:42,896 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:53:42,896 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] [2024-11-10 17:53:42,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 17:53:42,896 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:53:42,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:53:42,896 INFO L85 PathProgramCache]: Analyzing trace with hash -680042160, now seen corresponding path program 1 times [2024-11-10 17:53:42,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:53:42,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400996555] [2024-11-10 17:53:42,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:53:42,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:53:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:53:43,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:53:43,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:53:43,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400996555] [2024-11-10 17:53:43,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400996555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:53:43,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:53:43,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 17:53:43,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205061527] [2024-11-10 17:53:43,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:53:43,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 17:53:43,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:53:43,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 17:53:43,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 17:53:43,301 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 54 [2024-11-10 17:53:43,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 55 transitions, 239 flow. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 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) [2024-11-10 17:53:43,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:53:43,302 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 54 [2024-11-10 17:53:43,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:53:44,519 INFO L124 PetriNetUnfolderBase]: 10399/14279 cut-off events. [2024-11-10 17:53:44,519 INFO L125 PetriNetUnfolderBase]: For 11350/11350 co-relation queries the response was YES. [2024-11-10 17:53:44,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36449 conditions, 14279 events. 10399/14279 cut-off events. For 11350/11350 co-relation queries the response was YES. Maximal size of possible extension queue 465. Compared 74064 event pairs, 2043 based on Foata normal form. 152/14384 useless extension candidates. Maximal degree in co-relation 36437. Up to 5376 conditions per place. [2024-11-10 17:53:44,596 INFO L140 encePairwiseOnDemand]: 47/54 looper letters, 101 selfloop transitions, 18 changer transitions 1/127 dead transitions. [2024-11-10 17:53:44,596 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 127 transitions, 639 flow [2024-11-10 17:53:44,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 17:53:44,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-10 17:53:44,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 206 transitions. [2024-11-10 17:53:44,598 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.544973544973545 [2024-11-10 17:53:44,598 INFO L175 Difference]: Start difference. First operand has 65 places, 55 transitions, 239 flow. Second operand 7 states and 206 transitions. [2024-11-10 17:53:44,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 127 transitions, 639 flow [2024-11-10 17:53:44,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 127 transitions, 593 flow, removed 9 selfloop flow, removed 5 redundant places. [2024-11-10 17:53:44,796 INFO L231 Difference]: Finished difference. Result has 68 places, 55 transitions, 249 flow [2024-11-10 17:53:44,796 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=249, PETRI_PLACES=68, PETRI_TRANSITIONS=55} [2024-11-10 17:53:44,797 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, 7 predicate places. [2024-11-10 17:53:44,797 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 55 transitions, 249 flow [2024-11-10 17:53:44,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 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) [2024-11-10 17:53:44,798 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:53:44,798 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, 1, 1, 1, 1, 1] [2024-11-10 17:53:44,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 17:53:44,798 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:53:44,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:53:44,799 INFO L85 PathProgramCache]: Analyzing trace with hash -960459031, now seen corresponding path program 1 times [2024-11-10 17:53:44,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:53:44,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327867292] [2024-11-10 17:53:44,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:53:44,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:53:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:53:45,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:53:45,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:53:45,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327867292] [2024-11-10 17:53:45,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327867292] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:53:45,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:53:45,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 17:53:45,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461394028] [2024-11-10 17:53:45,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:53:45,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 17:53:45,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:53:45,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 17:53:45,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-10 17:53:45,167 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 54 [2024-11-10 17:53:45,167 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 55 transitions, 249 flow. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 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) [2024-11-10 17:53:45,167 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:53:45,167 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 54 [2024-11-10 17:53:45,167 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:53:46,727 INFO L124 PetriNetUnfolderBase]: 19027/26087 cut-off events. [2024-11-10 17:53:46,728 INFO L125 PetriNetUnfolderBase]: For 21820/21820 co-relation queries the response was YES. [2024-11-10 17:53:46,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67158 conditions, 26087 events. 19027/26087 cut-off events. For 21820/21820 co-relation queries the response was YES. Maximal size of possible extension queue 908. Compared 145690 event pairs, 2783 based on Foata normal form. 32/26104 useless extension candidates. Maximal degree in co-relation 67145. Up to 11185 conditions per place. [2024-11-10 17:53:46,856 INFO L140 encePairwiseOnDemand]: 45/54 looper letters, 77 selfloop transitions, 6 changer transitions 69/159 dead transitions. [2024-11-10 17:53:46,856 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 159 transitions, 1021 flow [2024-11-10 17:53:46,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 17:53:46,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-10 17:53:46,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 226 transitions. [2024-11-10 17:53:46,858 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.46502057613168724 [2024-11-10 17:53:46,858 INFO L175 Difference]: Start difference. First operand has 68 places, 55 transitions, 249 flow. Second operand 9 states and 226 transitions. [2024-11-10 17:53:46,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 159 transitions, 1021 flow [2024-11-10 17:53:47,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 159 transitions, 739 flow, removed 51 selfloop flow, removed 10 redundant places. [2024-11-10 17:53:47,188 INFO L231 Difference]: Finished difference. Result has 73 places, 58 transitions, 196 flow [2024-11-10 17:53:47,188 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=196, PETRI_PLACES=73, PETRI_TRANSITIONS=58} [2024-11-10 17:53:47,189 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, 12 predicate places. [2024-11-10 17:53:47,189 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 58 transitions, 196 flow [2024-11-10 17:53:47,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 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) [2024-11-10 17:53:47,189 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:53:47,190 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, 1, 1, 1, 1, 1] [2024-11-10 17:53:47,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 17:53:47,190 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:53:47,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:53:47,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1216262245, now seen corresponding path program 2 times [2024-11-10 17:53:47,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:53:47,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757835296] [2024-11-10 17:53:47,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:53:47,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:53:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:53:47,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:53:47,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:53:47,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757835296] [2024-11-10 17:53:47,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757835296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:53:47,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:53:47,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 17:53:47,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394894871] [2024-11-10 17:53:47,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:53:47,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 17:53:47,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:53:47,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 17:53:47,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 17:53:47,441 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 54 [2024-11-10 17:53:47,441 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 58 transitions, 196 flow. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 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) [2024-11-10 17:53:47,441 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:53:47,441 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 54 [2024-11-10 17:53:47,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:53:48,627 INFO L124 PetriNetUnfolderBase]: 11339/15740 cut-off events. [2024-11-10 17:53:48,627 INFO L125 PetriNetUnfolderBase]: For 3761/3761 co-relation queries the response was YES. [2024-11-10 17:53:48,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38205 conditions, 15740 events. 11339/15740 cut-off events. For 3761/3761 co-relation queries the response was YES. Maximal size of possible extension queue 451. Compared 81668 event pairs, 2195 based on Foata normal form. 16/15750 useless extension candidates. Maximal degree in co-relation 38190. Up to 9008 conditions per place. [2024-11-10 17:53:48,708 INFO L140 encePairwiseOnDemand]: 44/54 looper letters, 118 selfloop transitions, 14 changer transitions 17/156 dead transitions. [2024-11-10 17:53:48,708 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 156 transitions, 802 flow [2024-11-10 17:53:48,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 17:53:48,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-10 17:53:48,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 199 transitions. [2024-11-10 17:53:48,709 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5264550264550265 [2024-11-10 17:53:48,710 INFO L175 Difference]: Start difference. First operand has 73 places, 58 transitions, 196 flow. Second operand 7 states and 199 transitions. [2024-11-10 17:53:48,710 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 156 transitions, 802 flow [2024-11-10 17:53:48,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 156 transitions, 770 flow, removed 12 selfloop flow, removed 6 redundant places. [2024-11-10 17:53:48,715 INFO L231 Difference]: Finished difference. Result has 73 places, 67 transitions, 280 flow [2024-11-10 17:53:48,715 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=280, PETRI_PLACES=73, PETRI_TRANSITIONS=67} [2024-11-10 17:53:48,717 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, 12 predicate places. [2024-11-10 17:53:48,718 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 67 transitions, 280 flow [2024-11-10 17:53:48,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 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) [2024-11-10 17:53:48,721 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:53:48,721 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, 1, 1, 1, 1, 1] [2024-11-10 17:53:48,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 17:53:48,722 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:53:48,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:53:48,722 INFO L85 PathProgramCache]: Analyzing trace with hash -564323931, now seen corresponding path program 3 times [2024-11-10 17:53:48,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:53:48,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585136837] [2024-11-10 17:53:48,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:53:48,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:53:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:53:49,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:53:49,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:53:49,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585136837] [2024-11-10 17:53:49,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585136837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:53:49,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:53:49,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 17:53:49,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226687467] [2024-11-10 17:53:49,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:53:49,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 17:53:49,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:53:49,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 17:53:49,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 17:53:49,030 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 54 [2024-11-10 17:53:49,030 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 67 transitions, 280 flow. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 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) [2024-11-10 17:53:49,031 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:53:49,031 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 54 [2024-11-10 17:53:49,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:53:50,645 INFO L124 PetriNetUnfolderBase]: 13771/19116 cut-off events. [2024-11-10 17:53:50,645 INFO L125 PetriNetUnfolderBase]: For 12710/12710 co-relation queries the response was YES. [2024-11-10 17:53:50,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50318 conditions, 19116 events. 13771/19116 cut-off events. For 12710/12710 co-relation queries the response was YES. Maximal size of possible extension queue 562. Compared 100669 event pairs, 2091 based on Foata normal form. 16/19126 useless extension candidates. Maximal degree in co-relation 50302. Up to 8656 conditions per place. [2024-11-10 17:53:50,754 INFO L140 encePairwiseOnDemand]: 44/54 looper letters, 79 selfloop transitions, 6 changer transitions 85/177 dead transitions. [2024-11-10 17:53:50,754 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 177 transitions, 974 flow [2024-11-10 17:53:50,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 17:53:50,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-10 17:53:50,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 224 transitions. [2024-11-10 17:53:50,756 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5185185185185185 [2024-11-10 17:53:50,756 INFO L175 Difference]: Start difference. First operand has 73 places, 67 transitions, 280 flow. Second operand 8 states and 224 transitions. [2024-11-10 17:53:50,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 177 transitions, 974 flow [2024-11-10 17:53:50,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 177 transitions, 968 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-11-10 17:53:50,773 INFO L231 Difference]: Finished difference. Result has 79 places, 59 transitions, 232 flow [2024-11-10 17:53:50,773 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=232, PETRI_PLACES=79, PETRI_TRANSITIONS=59} [2024-11-10 17:53:50,774 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, 18 predicate places. [2024-11-10 17:53:50,774 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 59 transitions, 232 flow [2024-11-10 17:53:50,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 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) [2024-11-10 17:53:50,776 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:53:50,776 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, 1, 1, 1, 1, 1] [2024-11-10 17:53:50,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 17:53:50,777 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:53:50,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:53:50,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1322101619, now seen corresponding path program 4 times [2024-11-10 17:53:50,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:53:50,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756855102] [2024-11-10 17:53:50,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:53:50,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:53:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:53:51,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:53:51,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:53:51,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756855102] [2024-11-10 17:53:51,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756855102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:53:51,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:53:51,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 17:53:51,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368063520] [2024-11-10 17:53:51,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:53:51,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 17:53:51,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:53:51,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 17:53:51,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 17:53:51,033 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 54 [2024-11-10 17:53:51,033 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 59 transitions, 232 flow. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 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) [2024-11-10 17:53:51,033 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:53:51,033 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 54 [2024-11-10 17:53:51,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:53:52,264 INFO L124 PetriNetUnfolderBase]: 8877/12553 cut-off events. [2024-11-10 17:53:52,265 INFO L125 PetriNetUnfolderBase]: For 7935/7935 co-relation queries the response was YES. [2024-11-10 17:53:52,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32092 conditions, 12553 events. 8877/12553 cut-off events. For 7935/7935 co-relation queries the response was YES. Maximal size of possible extension queue 407. Compared 64372 event pairs, 2021 based on Foata normal form. 16/12568 useless extension candidates. Maximal degree in co-relation 32073. Up to 6646 conditions per place. [2024-11-10 17:53:52,327 INFO L140 encePairwiseOnDemand]: 44/54 looper letters, 90 selfloop transitions, 7 changer transitions 33/137 dead transitions. [2024-11-10 17:53:52,328 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 137 transitions, 748 flow [2024-11-10 17:53:52,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 17:53:52,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-10 17:53:52,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 182 transitions. [2024-11-10 17:53:52,329 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.48148148148148145 [2024-11-10 17:53:52,330 INFO L175 Difference]: Start difference. First operand has 79 places, 59 transitions, 232 flow. Second operand 7 states and 182 transitions. [2024-11-10 17:53:52,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 137 transitions, 748 flow [2024-11-10 17:53:52,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 137 transitions, 720 flow, removed 7 selfloop flow, removed 5 redundant places. [2024-11-10 17:53:52,342 INFO L231 Difference]: Finished difference. Result has 79 places, 59 transitions, 240 flow [2024-11-10 17:53:52,343 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=213, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=240, PETRI_PLACES=79, PETRI_TRANSITIONS=59} [2024-11-10 17:53:52,343 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, 18 predicate places. [2024-11-10 17:53:52,344 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 59 transitions, 240 flow [2024-11-10 17:53:52,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 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) [2024-11-10 17:53:52,344 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:53:52,344 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, 1, 1, 1, 1, 1] [2024-11-10 17:53:52,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 17:53:52,344 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:53:52,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:53:52,345 INFO L85 PathProgramCache]: Analyzing trace with hash 771420347, now seen corresponding path program 5 times [2024-11-10 17:53:52,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:53:52,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52129008] [2024-11-10 17:53:52,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:53:52,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:53:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:53:52,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:53:52,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:53:52,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52129008] [2024-11-10 17:53:52,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52129008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:53:52,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:53:52,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 17:53:52,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658737746] [2024-11-10 17:53:52,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:53:52,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 17:53:52,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:53:52,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 17:53:52,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 17:53:52,658 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 54 [2024-11-10 17:53:52,659 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 59 transitions, 240 flow. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 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) [2024-11-10 17:53:52,659 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:53:52,659 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 54 [2024-11-10 17:53:52,659 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand