./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memsafety.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe035_power.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe035_power.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 6415bffc70cf05f8f6460106962f2f9c59b321fd2fc94a45894cc3c1f3d85b66 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 12:25:27,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 12:25:27,697 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-10-13 12:25:27,703 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 12:25:27,704 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 12:25:27,731 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 12:25:27,732 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 12:25:27,733 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 12:25:27,733 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 12:25:27,734 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 12:25:27,735 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 12:25:27,735 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 12:25:27,735 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 12:25:27,736 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 12:25:27,736 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 12:25:27,739 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 12:25:27,739 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 12:25:27,739 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 12:25:27,739 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 12:25:27,740 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 12:25:27,740 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-13 12:25:27,740 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-13 12:25:27,740 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-13 12:25:27,741 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 12:25:27,741 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-13 12:25:27,741 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 12:25:27,741 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 12:25:27,741 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 12:25:27,743 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 12:25:27,743 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 12:25:27,743 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 12:25:27,743 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 12:25:27,744 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 12:25:27,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:25:27,745 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 12:25:27,745 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 12:25:27,745 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 12:25:27,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 12:25:27,746 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 12:25:27,746 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 12:25:27,746 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 12:25:27,747 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 12:25:27,747 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6415bffc70cf05f8f6460106962f2f9c59b321fd2fc94a45894cc3c1f3d85b66 [2024-10-13 12:25:28,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 12:25:28,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 12:25:28,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 12:25:28,067 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 12:25:28,068 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 12:25:28,069 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe035_power.i [2024-10-13 12:25:29,513 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 12:25:29,702 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 12:25:29,702 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe035_power.i [2024-10-13 12:25:29,715 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2de502f3/b302f9a16eaa45a6b16471fddf8a88ff/FLAGbb7c7ce34 [2024-10-13 12:25:29,727 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2de502f3/b302f9a16eaa45a6b16471fddf8a88ff [2024-10-13 12:25:29,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 12:25:29,730 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 12:25:29,731 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 12:25:29,731 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 12:25:29,735 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 12:25:29,736 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:25:29" (1/1) ... [2024-10-13 12:25:29,737 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@335db285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:25:29, skipping insertion in model container [2024-10-13 12:25:29,737 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:25:29" (1/1) ... [2024-10-13 12:25:29,774 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 12:25:30,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:25:30,196 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 12:25:30,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:25:30,418 INFO L204 MainTranslator]: Completed translation [2024-10-13 12:25:30,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:25:30 WrapperNode [2024-10-13 12:25:30,419 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 12:25:30,420 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 12:25:30,420 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 12:25:30,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 12:25:30,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:25:30" (1/1) ... [2024-10-13 12:25:30,450 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:25:30" (1/1) ... [2024-10-13 12:25:30,484 INFO L138 Inliner]: procedures = 175, calls = 49, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 169 [2024-10-13 12:25:30,484 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 12:25:30,485 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 12:25:30,485 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 12:25:30,485 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 12:25:30,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:25:30" (1/1) ... [2024-10-13 12:25:30,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:25:30" (1/1) ... [2024-10-13 12:25:30,512 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:25:30" (1/1) ... [2024-10-13 12:25:30,535 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 12:25:30,536 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:25:30" (1/1) ... [2024-10-13 12:25:30,536 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:25:30" (1/1) ... [2024-10-13 12:25:30,546 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:25:30" (1/1) ... [2024-10-13 12:25:30,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:25:30" (1/1) ... [2024-10-13 12:25:30,551 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:25:30" (1/1) ... [2024-10-13 12:25:30,553 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:25:30" (1/1) ... [2024-10-13 12:25:30,557 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 12:25:30,559 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 12:25:30,559 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 12:25:30,559 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 12:25:30,560 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:25:30" (1/1) ... [2024-10-13 12:25:30,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:25:30,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:25:30,611 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) [2024-10-13 12:25:30,625 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 [2024-10-13 12:25:30,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-13 12:25:30,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 12:25:30,687 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-13 12:25:30,688 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-13 12:25:30,688 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-13 12:25:30,688 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-13 12:25:30,688 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-13 12:25:30,688 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-13 12:25:30,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 12:25:30,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-13 12:25:30,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 12:25:30,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 12:25:30,690 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 12:25:30,856 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 12:25:30,858 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 12:25:31,293 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 12:25:31,294 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 12:25:31,577 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 12:25:31,577 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 12:25:31,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:25:31 BoogieIcfgContainer [2024-10-13 12:25:31,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 12:25:31,580 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 12:25:31,580 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 12:25:31,583 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 12:25:31,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:25:29" (1/3) ... [2024-10-13 12:25:31,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@717836d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:25:31, skipping insertion in model container [2024-10-13 12:25:31,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:25:30" (2/3) ... [2024-10-13 12:25:31,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@717836d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:25:31, skipping insertion in model container [2024-10-13 12:25:31,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:25:31" (3/3) ... [2024-10-13 12:25:31,587 INFO L112 eAbstractionObserver]: Analyzing ICFG safe035_power.i [2024-10-13 12:25:31,605 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 12:25:31,606 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-10-13 12:25:31,606 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 12:25:31,659 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-13 12:25:31,694 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 55 places, 47 transitions, 106 flow [2024-10-13 12:25:31,730 INFO L124 PetriNetUnfolderBase]: 2/44 cut-off events. [2024-10-13 12:25:31,730 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 12:25:31,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54 conditions, 44 events. 2/44 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 92 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2024-10-13 12:25:31,737 INFO L82 GeneralOperation]: Start removeDead. Operand has 55 places, 47 transitions, 106 flow [2024-10-13 12:25:31,744 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 52 places, 44 transitions, 97 flow [2024-10-13 12:25:31,760 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 12:25:31,772 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;@57c3bc33, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 12:25:31,772 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-10-13 12:25:31,780 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 12:25:31,780 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2024-10-13 12:25:31,780 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 12:25:31,781 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:25:31,781 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:25:31,782 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-13 12:25:31,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:25:31,789 INFO L85 PathProgramCache]: Analyzing trace with hash 807765749, now seen corresponding path program 1 times [2024-10-13 12:25:31,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:25:31,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961430073] [2024-10-13 12:25:31,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:25:31,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:25:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:25:32,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:25:32,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:25:32,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961430073] [2024-10-13 12:25:32,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961430073] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:25:32,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:25:32,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 12:25:32,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966154622] [2024-10-13 12:25:32,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:25:32,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 12:25:32,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:25:32,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 12:25:32,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:25:32,569 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 47 [2024-10-13 12:25:32,571 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 44 transitions, 97 flow. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:25:32,572 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:25:32,572 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 47 [2024-10-13 12:25:32,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:25:33,683 INFO L124 PetriNetUnfolderBase]: 2523/3960 cut-off events. [2024-10-13 12:25:33,683 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-10-13 12:25:33,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7667 conditions, 3960 events. 2523/3960 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 25048 event pairs, 328 based on Foata normal form. 240/4184 useless extension candidates. Maximal degree in co-relation 7656. Up to 3096 conditions per place. [2024-10-13 12:25:33,717 INFO L140 encePairwiseOnDemand]: 42/47 looper letters, 37 selfloop transitions, 2 changer transitions 2/55 dead transitions. [2024-10-13 12:25:33,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 55 transitions, 201 flow [2024-10-13 12:25:33,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 12:25:33,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 12:25:33,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 97 transitions. [2024-10-13 12:25:33,728 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6879432624113475 [2024-10-13 12:25:33,729 INFO L175 Difference]: Start difference. First operand has 52 places, 44 transitions, 97 flow. Second operand 3 states and 97 transitions. [2024-10-13 12:25:33,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 55 transitions, 201 flow [2024-10-13 12:25:33,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 55 transitions, 198 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-13 12:25:33,736 INFO L231 Difference]: Finished difference. Result has 49 places, 39 transitions, 88 flow [2024-10-13 12:25:33,739 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=49, PETRI_TRANSITIONS=39} [2024-10-13 12:25:33,742 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, -3 predicate places. [2024-10-13 12:25:33,742 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 39 transitions, 88 flow [2024-10-13 12:25:33,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:25:33,742 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:25:33,742 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:25:33,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 12:25:33,743 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-13 12:25:33,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:25:33,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1292564532, now seen corresponding path program 1 times [2024-10-13 12:25:33,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:25:33,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778126042] [2024-10-13 12:25:33,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:25:33,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:25:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:25:33,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:25:33,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:25:33,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778126042] [2024-10-13 12:25:33,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778126042] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:25:33,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:25:33,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 12:25:33,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520332144] [2024-10-13 12:25:33,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:25:33,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 12:25:33,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:25:33,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 12:25:33,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:25:33,853 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 47 [2024-10-13 12:25:33,854 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 39 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:25:33,854 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:25:33,854 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 47 [2024-10-13 12:25:33,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:25:34,489 INFO L124 PetriNetUnfolderBase]: 2237/3766 cut-off events. [2024-10-13 12:25:34,490 INFO L125 PetriNetUnfolderBase]: For 160/160 co-relation queries the response was YES. [2024-10-13 12:25:34,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7226 conditions, 3766 events. 2237/3766 cut-off events. For 160/160 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 24897 event pairs, 2237 based on Foata normal form. 120/3830 useless extension candidates. Maximal degree in co-relation 7216. Up to 3246 conditions per place. [2024-10-13 12:25:34,510 INFO L140 encePairwiseOnDemand]: 45/47 looper letters, 23 selfloop transitions, 1 changer transitions 1/38 dead transitions. [2024-10-13 12:25:34,510 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 38 transitions, 136 flow [2024-10-13 12:25:34,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 12:25:34,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 12:25:34,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 74 transitions. [2024-10-13 12:25:34,513 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.524822695035461 [2024-10-13 12:25:34,513 INFO L175 Difference]: Start difference. First operand has 49 places, 39 transitions, 88 flow. Second operand 3 states and 74 transitions. [2024-10-13 12:25:34,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 38 transitions, 136 flow [2024-10-13 12:25:34,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 38 transitions, 132 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 12:25:34,516 INFO L231 Difference]: Finished difference. Result has 47 places, 37 transitions, 82 flow [2024-10-13 12:25:34,517 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=47, PETRI_TRANSITIONS=37} [2024-10-13 12:25:34,518 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, -5 predicate places. [2024-10-13 12:25:34,518 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 37 transitions, 82 flow [2024-10-13 12:25:34,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:25:34,520 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:25:34,520 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:25:34,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 12:25:34,520 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-13 12:25:34,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:25:34,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1292563015, now seen corresponding path program 1 times [2024-10-13 12:25:34,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:25:34,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328621016] [2024-10-13 12:25:34,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:25:34,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:25:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:25:34,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:25:34,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:25:34,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328621016] [2024-10-13 12:25:34,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328621016] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:25:34,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:25:34,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 12:25:34,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628591579] [2024-10-13 12:25:34,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:25:34,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 12:25:34,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:25:34,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 12:25:34,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 12:25:34,804 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 47 [2024-10-13 12:25:34,804 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 82 flow. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:25:34,804 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:25:34,804 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 47 [2024-10-13 12:25:34,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:25:35,503 INFO L124 PetriNetUnfolderBase]: 2423/3892 cut-off events. [2024-10-13 12:25:35,503 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 12:25:35,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7498 conditions, 3892 events. 2423/3892 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 24907 event pairs, 661 based on Foata normal form. 0/3808 useless extension candidates. Maximal degree in co-relation 7492. Up to 1372 conditions per place. [2024-10-13 12:25:35,518 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 32 selfloop transitions, 2 changer transitions 53/99 dead transitions. [2024-10-13 12:25:35,518 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 99 transitions, 380 flow [2024-10-13 12:25:35,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 12:25:35,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-13 12:25:35,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 217 transitions. [2024-10-13 12:25:35,520 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5771276595744681 [2024-10-13 12:25:35,520 INFO L175 Difference]: Start difference. First operand has 47 places, 37 transitions, 82 flow. Second operand 8 states and 217 transitions. [2024-10-13 12:25:35,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 99 transitions, 380 flow [2024-10-13 12:25:35,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 99 transitions, 379 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 12:25:35,522 INFO L231 Difference]: Finished difference. Result has 57 places, 36 transitions, 95 flow [2024-10-13 12:25:35,523 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=95, PETRI_PLACES=57, PETRI_TRANSITIONS=36} [2024-10-13 12:25:35,523 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 5 predicate places. [2024-10-13 12:25:35,523 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 36 transitions, 95 flow [2024-10-13 12:25:35,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:25:35,524 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:25:35,524 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:25:35,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 12:25:35,524 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-13 12:25:35,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:25:35,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1422718442, now seen corresponding path program 1 times [2024-10-13 12:25:35,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:25:35,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578823927] [2024-10-13 12:25:35,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:25:35,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:25:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:25:36,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:25:36,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:25:36,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578823927] [2024-10-13 12:25:36,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578823927] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:25:36,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:25:36,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 12:25:36,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63682369] [2024-10-13 12:25:36,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:25:36,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 12:25:36,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:25:36,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 12:25:36,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-13 12:25:36,567 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-13 12:25:36,567 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 36 transitions, 95 flow. Second operand has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:25:36,567 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:25:36,567 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-13 12:25:36,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:25:37,541 INFO L124 PetriNetUnfolderBase]: 2862/4608 cut-off events. [2024-10-13 12:25:37,541 INFO L125 PetriNetUnfolderBase]: For 546/546 co-relation queries the response was YES. [2024-10-13 12:25:37,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9805 conditions, 4608 events. 2862/4608 cut-off events. For 546/546 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 28473 event pairs, 299 based on Foata normal form. 75/4665 useless extension candidates. Maximal degree in co-relation 9793. Up to 2719 conditions per place. [2024-10-13 12:25:37,564 INFO L140 encePairwiseOnDemand]: 32/47 looper letters, 49 selfloop transitions, 23 changer transitions 22/105 dead transitions. [2024-10-13 12:25:37,564 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 105 transitions, 430 flow [2024-10-13 12:25:37,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 12:25:37,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-13 12:25:37,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 215 transitions. [2024-10-13 12:25:37,566 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5718085106382979 [2024-10-13 12:25:37,566 INFO L175 Difference]: Start difference. First operand has 57 places, 36 transitions, 95 flow. Second operand 8 states and 215 transitions. [2024-10-13 12:25:37,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 105 transitions, 430 flow [2024-10-13 12:25:37,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 105 transitions, 412 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-10-13 12:25:37,590 INFO L231 Difference]: Finished difference. Result has 57 places, 62 transitions, 244 flow [2024-10-13 12:25:37,590 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=244, PETRI_PLACES=57, PETRI_TRANSITIONS=62} [2024-10-13 12:25:37,591 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 5 predicate places. [2024-10-13 12:25:37,591 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 62 transitions, 244 flow [2024-10-13 12:25:37,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:25:37,592 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:25:37,592 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:25:37,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 12:25:37,592 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-13 12:25:37,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:25:37,592 INFO L85 PathProgramCache]: Analyzing trace with hash -493432102, now seen corresponding path program 2 times [2024-10-13 12:25:37,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:25:37,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769893521] [2024-10-13 12:25:37,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:25:37,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:25:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:25:39,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:25:39,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:25:39,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769893521] [2024-10-13 12:25:39,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769893521] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:25:39,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:25:39,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 12:25:39,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825722107] [2024-10-13 12:25:39,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:25:39,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 12:25:39,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:25:39,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 12:25:39,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-13 12:25:39,467 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-13 12:25:39,467 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 62 transitions, 244 flow. Second operand has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:25:39,467 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:25:39,467 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-13 12:25:39,467 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:25:40,889 INFO L124 PetriNetUnfolderBase]: 3224/5191 cut-off events. [2024-10-13 12:25:40,890 INFO L125 PetriNetUnfolderBase]: For 2104/2114 co-relation queries the response was YES. [2024-10-13 12:25:40,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14699 conditions, 5191 events. 3224/5191 cut-off events. For 2104/2114 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 32368 event pairs, 320 based on Foata normal form. 75/5248 useless extension candidates. Maximal degree in co-relation 14686. Up to 2967 conditions per place. [2024-10-13 12:25:40,918 INFO L140 encePairwiseOnDemand]: 32/47 looper letters, 60 selfloop transitions, 44 changer transitions 22/137 dead transitions. [2024-10-13 12:25:40,919 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 137 transitions, 780 flow [2024-10-13 12:25:40,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 12:25:40,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-13 12:25:40,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 241 transitions. [2024-10-13 12:25:40,924 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5697399527186762 [2024-10-13 12:25:40,925 INFO L175 Difference]: Start difference. First operand has 57 places, 62 transitions, 244 flow. Second operand 9 states and 241 transitions. [2024-10-13 12:25:40,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 137 transitions, 780 flow [2024-10-13 12:25:40,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 137 transitions, 774 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-10-13 12:25:40,934 INFO L231 Difference]: Finished difference. Result has 66 places, 91 transitions, 557 flow [2024-10-13 12:25:40,934 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=557, PETRI_PLACES=66, PETRI_TRANSITIONS=91} [2024-10-13 12:25:40,935 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 14 predicate places. [2024-10-13 12:25:40,935 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 91 transitions, 557 flow [2024-10-13 12:25:40,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:25:40,935 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:25:40,935 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:25:40,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 12:25:40,936 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-13 12:25:40,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:25:40,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1077433384, now seen corresponding path program 1 times [2024-10-13 12:25:40,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:25:40,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292675677] [2024-10-13 12:25:40,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:25:40,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:25:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:25:41,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:25:41,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:25:41,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292675677] [2024-10-13 12:25:41,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292675677] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:25:41,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:25:41,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 12:25:41,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192230581] [2024-10-13 12:25:41,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:25:41,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 12:25:41,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:25:41,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 12:25:41,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-13 12:25:41,687 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-13 12:25:41,688 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 91 transitions, 557 flow. Second operand has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:25:41,688 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:25:41,688 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-13 12:25:41,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:25:42,916 INFO L124 PetriNetUnfolderBase]: 4360/6972 cut-off events. [2024-10-13 12:25:42,917 INFO L125 PetriNetUnfolderBase]: For 8299/8309 co-relation queries the response was YES. [2024-10-13 12:25:42,934 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24961 conditions, 6972 events. 4360/6972 cut-off events. For 8299/8309 co-relation queries the response was YES. Maximal size of possible extension queue 366. Compared 46017 event pairs, 394 based on Foata normal form. 129/7083 useless extension candidates. Maximal degree in co-relation 24943. Up to 3183 conditions per place. [2024-10-13 12:25:42,958 INFO L140 encePairwiseOnDemand]: 32/47 looper letters, 107 selfloop transitions, 33 changer transitions 46/197 dead transitions. [2024-10-13 12:25:42,959 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 197 transitions, 1514 flow [2024-10-13 12:25:42,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 12:25:42,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-10-13 12:25:42,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 294 transitions. [2024-10-13 12:25:42,960 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5686653771760155 [2024-10-13 12:25:42,960 INFO L175 Difference]: Start difference. First operand has 66 places, 91 transitions, 557 flow. Second operand 11 states and 294 transitions. [2024-10-13 12:25:42,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 197 transitions, 1514 flow [2024-10-13 12:25:42,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 197 transitions, 1417 flow, removed 8 selfloop flow, removed 5 redundant places. [2024-10-13 12:25:42,995 INFO L231 Difference]: Finished difference. Result has 77 places, 118 transitions, 878 flow [2024-10-13 12:25:42,996 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=500, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=878, PETRI_PLACES=77, PETRI_TRANSITIONS=118} [2024-10-13 12:25:42,998 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 25 predicate places. [2024-10-13 12:25:42,998 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 118 transitions, 878 flow [2024-10-13 12:25:42,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:25:42,999 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:25:42,999 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:25:42,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 12:25:42,999 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-13 12:25:43,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:25:43,000 INFO L85 PathProgramCache]: Analyzing trace with hash -434974154, now seen corresponding path program 2 times [2024-10-13 12:25:43,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:25:43,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394270049] [2024-10-13 12:25:43,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:25:43,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:25:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:25:44,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:25:44,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:25:44,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394270049] [2024-10-13 12:25:44,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394270049] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:25:44,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:25:44,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 12:25:44,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805367735] [2024-10-13 12:25:44,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:25:44,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 12:25:44,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:25:44,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 12:25:44,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-13 12:25:44,253 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-13 12:25:44,254 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 118 transitions, 878 flow. Second operand has 10 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:25:44,254 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:25:44,254 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-13 12:25:44,254 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:25:45,681 INFO L124 PetriNetUnfolderBase]: 4283/6888 cut-off events. [2024-10-13 12:25:45,682 INFO L125 PetriNetUnfolderBase]: For 14688/14688 co-relation queries the response was YES. [2024-10-13 12:25:45,704 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27465 conditions, 6888 events. 4283/6888 cut-off events. For 14688/14688 co-relation queries the response was YES. Maximal size of possible extension queue 375. Compared 45840 event pairs, 982 based on Foata normal form. 70/6934 useless extension candidates. Maximal degree in co-relation 27441. Up to 5544 conditions per place. [2024-10-13 12:25:45,733 INFO L140 encePairwiseOnDemand]: 39/47 looper letters, 147 selfloop transitions, 16 changer transitions 35/209 dead transitions. [2024-10-13 12:25:45,733 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 209 transitions, 1910 flow [2024-10-13 12:25:45,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 12:25:45,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-13 12:25:45,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 204 transitions. [2024-10-13 12:25:45,734 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5425531914893617 [2024-10-13 12:25:45,734 INFO L175 Difference]: Start difference. First operand has 77 places, 118 transitions, 878 flow. Second operand 8 states and 204 transitions. [2024-10-13 12:25:45,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 209 transitions, 1910 flow [2024-10-13 12:25:45,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 209 transitions, 1864 flow, removed 8 selfloop flow, removed 4 redundant places. [2024-10-13 12:25:45,779 INFO L231 Difference]: Finished difference. Result has 82 places, 133 transitions, 1078 flow [2024-10-13 12:25:45,780 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=850, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1078, PETRI_PLACES=82, PETRI_TRANSITIONS=133} [2024-10-13 12:25:45,781 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 30 predicate places. [2024-10-13 12:25:45,781 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 133 transitions, 1078 flow [2024-10-13 12:25:45,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:25:45,782 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:25:45,782 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:25:45,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 12:25:45,782 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-13 12:25:45,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:25:45,783 INFO L85 PathProgramCache]: Analyzing trace with hash -735675559, now seen corresponding path program 1 times [2024-10-13 12:25:45,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:25:45,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727996350] [2024-10-13 12:25:45,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:25:45,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:25:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:25:46,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:25:46,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:25:46,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727996350] [2024-10-13 12:25:46,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727996350] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:25:46,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:25:46,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 12:25:46,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087037818] [2024-10-13 12:25:46,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:25:46,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 12:25:46,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:25:46,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 12:25:46,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-13 12:25:46,465 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-13 12:25:46,466 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 133 transitions, 1078 flow. Second operand has 10 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:25:46,466 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:25:46,466 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-13 12:25:46,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:25:48,510 INFO L124 PetriNetUnfolderBase]: 6419/10453 cut-off events. [2024-10-13 12:25:48,510 INFO L125 PetriNetUnfolderBase]: For 27826/27830 co-relation queries the response was YES. [2024-10-13 12:25:48,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40711 conditions, 10453 events. 6419/10453 cut-off events. For 27826/27830 co-relation queries the response was YES. Maximal size of possible extension queue 573. Compared 75745 event pairs, 1785 based on Foata normal form. 66/10508 useless extension candidates. Maximal degree in co-relation 40683. Up to 4629 conditions per place. [2024-10-13 12:25:48,624 INFO L140 encePairwiseOnDemand]: 33/47 looper letters, 117 selfloop transitions, 52 changer transitions 58/238 dead transitions. [2024-10-13 12:25:48,625 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 238 transitions, 2111 flow [2024-10-13 12:25:48,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 12:25:48,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-10-13 12:25:48,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 310 transitions. [2024-10-13 12:25:48,626 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.549645390070922 [2024-10-13 12:25:48,627 INFO L175 Difference]: Start difference. First operand has 82 places, 133 transitions, 1078 flow. Second operand 12 states and 310 transitions. [2024-10-13 12:25:48,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 238 transitions, 2111 flow [2024-10-13 12:25:48,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 238 transitions, 2049 flow, removed 31 selfloop flow, removed 4 redundant places. [2024-10-13 12:25:48,985 INFO L231 Difference]: Finished difference. Result has 93 places, 143 transitions, 1345 flow [2024-10-13 12:25:48,986 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1044, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1345, PETRI_PLACES=93, PETRI_TRANSITIONS=143} [2024-10-13 12:25:48,991 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 41 predicate places. [2024-10-13 12:25:48,991 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 143 transitions, 1345 flow [2024-10-13 12:25:48,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:25:48,991 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:25:48,992 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:25:48,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 12:25:48,992 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-13 12:25:48,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:25:48,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1300750051, now seen corresponding path program 2 times [2024-10-13 12:25:48,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:25:48,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270600317] [2024-10-13 12:25:48,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:25:48,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:25:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:25:49,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:25:49,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:25:49,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270600317] [2024-10-13 12:25:49,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270600317] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:25:49,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:25:49,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:25:49,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385687371] [2024-10-13 12:25:49,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:25:49,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:25:49,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:25:49,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:25:49,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:25:49,200 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 47 [2024-10-13 12:25:49,200 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 143 transitions, 1345 flow. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:25:49,201 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:25:49,201 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 47 [2024-10-13 12:25:49,201 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:25:51,585 INFO L124 PetriNetUnfolderBase]: 9948/15419 cut-off events. [2024-10-13 12:25:51,585 INFO L125 PetriNetUnfolderBase]: For 77011/77309 co-relation queries the response was YES. [2024-10-13 12:25:51,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64782 conditions, 15419 events. 9948/15419 cut-off events. For 77011/77309 co-relation queries the response was YES. Maximal size of possible extension queue 666. Compared 103758 event pairs, 1088 based on Foata normal form. 917/16280 useless extension candidates. Maximal degree in co-relation 64748. Up to 7730 conditions per place. [2024-10-13 12:25:51,842 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 201 selfloop transitions, 5 changer transitions 6/239 dead transitions. [2024-10-13 12:25:51,842 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 239 transitions, 2572 flow [2024-10-13 12:25:51,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:25:51,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-13 12:25:51,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 115 transitions. [2024-10-13 12:25:51,844 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6117021276595744 [2024-10-13 12:25:51,844 INFO L175 Difference]: Start difference. First operand has 93 places, 143 transitions, 1345 flow. Second operand 4 states and 115 transitions. [2024-10-13 12:25:51,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 239 transitions, 2572 flow [2024-10-13 12:25:52,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 239 transitions, 2493 flow, removed 18 selfloop flow, removed 6 redundant places. [2024-10-13 12:25:52,084 INFO L231 Difference]: Finished difference. Result has 86 places, 138 transitions, 1229 flow [2024-10-13 12:25:52,085 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1191, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1229, PETRI_PLACES=86, PETRI_TRANSITIONS=138} [2024-10-13 12:25:52,085 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 34 predicate places. [2024-10-13 12:25:52,086 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 138 transitions, 1229 flow [2024-10-13 12:25:52,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:25:52,086 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:25:52,086 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:25:52,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 12:25:52,086 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-13 12:25:52,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:25:52,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1636569368, now seen corresponding path program 1 times [2024-10-13 12:25:52,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:25:52,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349052852] [2024-10-13 12:25:52,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:25:52,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:25:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:25:52,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:25:52,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:25:52,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349052852] [2024-10-13 12:25:52,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349052852] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:25:52,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:25:52,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 12:25:52,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286290793] [2024-10-13 12:25:52,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:25:52,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 12:25:52,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:25:52,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 12:25:52,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 12:25:52,355 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 47 [2024-10-13 12:25:52,356 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 138 transitions, 1229 flow. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:25:52,356 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:25:52,356 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 47 [2024-10-13 12:25:52,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:25:54,039 INFO L124 PetriNetUnfolderBase]: 7215/11376 cut-off events. [2024-10-13 12:25:54,039 INFO L125 PetriNetUnfolderBase]: For 44695/44909 co-relation queries the response was YES. [2024-10-13 12:25:54,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47684 conditions, 11376 events. 7215/11376 cut-off events. For 44695/44909 co-relation queries the response was YES. Maximal size of possible extension queue 484. Compared 74697 event pairs, 818 based on Foata normal form. 662/12006 useless extension candidates. Maximal degree in co-relation 47651. Up to 4065 conditions per place. [2024-10-13 12:25:54,119 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 163 selfloop transitions, 8 changer transitions 9/202 dead transitions. [2024-10-13 12:25:54,119 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 202 transitions, 2063 flow [2024-10-13 12:25:54,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 12:25:54,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-13 12:25:54,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 147 transitions. [2024-10-13 12:25:54,120 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.625531914893617 [2024-10-13 12:25:54,120 INFO L175 Difference]: Start difference. First operand has 86 places, 138 transitions, 1229 flow. Second operand 5 states and 147 transitions. [2024-10-13 12:25:54,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 202 transitions, 2063 flow [2024-10-13 12:25:54,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 202 transitions, 2060 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 12:25:54,207 INFO L231 Difference]: Finished difference. Result has 91 places, 108 transitions, 957 flow [2024-10-13 12:25:54,207 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=918, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=957, PETRI_PLACES=91, PETRI_TRANSITIONS=108} [2024-10-13 12:25:54,208 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 39 predicate places. [2024-10-13 12:25:54,209 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 108 transitions, 957 flow [2024-10-13 12:25:54,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:25:54,209 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:25:54,209 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:25:54,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 12:25:54,209 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-13 12:25:54,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:25:54,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1705949052, now seen corresponding path program 1 times [2024-10-13 12:25:54,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:25:54,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244756978] [2024-10-13 12:25:54,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:25:54,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:25:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:25:56,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:25:56,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:25:56,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244756978] [2024-10-13 12:25:56,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244756978] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:25:56,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:25:56,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 12:25:56,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922446371] [2024-10-13 12:25:56,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:25:56,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 12:25:56,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:25:56,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 12:25:56,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-13 12:25:56,764 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-13 12:25:56,765 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 108 transitions, 957 flow. Second operand has 11 states, 11 states have (on average 16.727272727272727) internal successors, (184), 11 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:25:56,765 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:25:56,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-13 12:25:56,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:25:58,760 INFO L124 PetriNetUnfolderBase]: 6166/11210 cut-off events. [2024-10-13 12:25:58,760 INFO L125 PetriNetUnfolderBase]: For 46111/47787 co-relation queries the response was YES. [2024-10-13 12:25:58,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47547 conditions, 11210 events. 6166/11210 cut-off events. For 46111/47787 co-relation queries the response was YES. Maximal size of possible extension queue 682. Compared 91312 event pairs, 1055 based on Foata normal form. 349/10907 useless extension candidates. Maximal degree in co-relation 47511. Up to 4942 conditions per place. [2024-10-13 12:25:58,839 INFO L140 encePairwiseOnDemand]: 33/47 looper letters, 83 selfloop transitions, 41 changer transitions 45/188 dead transitions. [2024-10-13 12:25:58,840 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 188 transitions, 2042 flow [2024-10-13 12:25:58,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 12:25:58,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-13 12:25:58,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 246 transitions. [2024-10-13 12:25:58,841 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5234042553191489 [2024-10-13 12:25:58,841 INFO L175 Difference]: Start difference. First operand has 91 places, 108 transitions, 957 flow. Second operand 10 states and 246 transitions. [2024-10-13 12:25:58,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 188 transitions, 2042 flow [2024-10-13 12:25:58,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 188 transitions, 2030 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-10-13 12:25:58,935 INFO L231 Difference]: Finished difference. Result has 104 places, 119 transitions, 1305 flow [2024-10-13 12:25:58,936 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=945, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1305, PETRI_PLACES=104, PETRI_TRANSITIONS=119} [2024-10-13 12:25:58,936 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 52 predicate places. [2024-10-13 12:25:58,937 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 119 transitions, 1305 flow [2024-10-13 12:25:58,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.727272727272727) internal successors, (184), 11 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:25:58,937 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:25:58,937 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:25:58,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 12:25:58,938 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-13 12:25:58,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:25:58,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1291562878, now seen corresponding path program 2 times [2024-10-13 12:25:58,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:25:58,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549301979] [2024-10-13 12:25:58,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:25:58,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:25:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:26:00,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:26:00,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:26:00,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549301979] [2024-10-13 12:26:00,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549301979] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:26:00,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:26:00,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 12:26:00,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502183035] [2024-10-13 12:26:00,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:26:00,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 12:26:00,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:26:00,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 12:26:00,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-10-13 12:26:00,602 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-13 12:26:00,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 119 transitions, 1305 flow. Second operand has 11 states, 11 states have (on average 16.727272727272727) internal successors, (184), 11 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:26:00,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:26:00,603 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-13 12:26:00,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:26:03,231 INFO L124 PetriNetUnfolderBase]: 9097/16587 cut-off events. [2024-10-13 12:26:03,232 INFO L125 PetriNetUnfolderBase]: For 81460/83523 co-relation queries the response was YES. [2024-10-13 12:26:03,294 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73635 conditions, 16587 events. 9097/16587 cut-off events. For 81460/83523 co-relation queries the response was YES. Maximal size of possible extension queue 1116. Compared 147671 event pairs, 3206 based on Foata normal form. 501/15883 useless extension candidates. Maximal degree in co-relation 73593. Up to 7163 conditions per place. [2024-10-13 12:26:03,328 INFO L140 encePairwiseOnDemand]: 36/47 looper letters, 116 selfloop transitions, 45 changer transitions 58/238 dead transitions. [2024-10-13 12:26:03,329 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 238 transitions, 2848 flow [2024-10-13 12:26:03,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 12:26:03,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-10-13 12:26:03,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 282 transitions. [2024-10-13 12:26:03,330 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5454545454545454 [2024-10-13 12:26:03,330 INFO L175 Difference]: Start difference. First operand has 104 places, 119 transitions, 1305 flow. Second operand 11 states and 282 transitions. [2024-10-13 12:26:03,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 238 transitions, 2848 flow [2024-10-13 12:26:03,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 238 transitions, 2573 flow, removed 84 selfloop flow, removed 12 redundant places. [2024-10-13 12:26:03,572 INFO L231 Difference]: Finished difference. Result has 105 places, 134 transitions, 1472 flow [2024-10-13 12:26:03,572 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1136, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1472, PETRI_PLACES=105, PETRI_TRANSITIONS=134} [2024-10-13 12:26:03,573 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 53 predicate places. [2024-10-13 12:26:03,573 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 134 transitions, 1472 flow [2024-10-13 12:26:03,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.727272727272727) internal successors, (184), 11 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:26:03,573 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:26:03,573 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:26:03,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 12:26:03,574 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-13 12:26:03,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:26:03,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1330810326, now seen corresponding path program 3 times [2024-10-13 12:26:03,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:26:03,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015039929] [2024-10-13 12:26:03,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:26:03,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:26:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:26:06,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:26:06,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:26:06,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015039929] [2024-10-13 12:26:06,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015039929] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:26:06,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:26:06,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 12:26:06,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292533939] [2024-10-13 12:26:06,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:26:06,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 12:26:06,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:26:06,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 12:26:06,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-13 12:26:06,143 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-13 12:26:06,144 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 134 transitions, 1472 flow. Second operand has 12 states, 12 states have (on average 16.583333333333332) internal successors, (199), 12 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:26:06,144 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:26:06,144 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-13 12:26:06,144 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:26:11,184 INFO L124 PetriNetUnfolderBase]: 8246/14998 cut-off events. [2024-10-13 12:26:11,185 INFO L125 PetriNetUnfolderBase]: For 79583/81650 co-relation queries the response was YES. [2024-10-13 12:26:11,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67879 conditions, 14998 events. 8246/14998 cut-off events. For 79583/81650 co-relation queries the response was YES. Maximal size of possible extension queue 1009. Compared 129759 event pairs, 890 based on Foata normal form. 428/14501 useless extension candidates. Maximal degree in co-relation 67836. Up to 4810 conditions per place. [2024-10-13 12:26:11,341 INFO L140 encePairwiseOnDemand]: 33/47 looper letters, 108 selfloop transitions, 74 changer transitions 20/221 dead transitions. [2024-10-13 12:26:11,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 221 transitions, 2741 flow [2024-10-13 12:26:11,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 12:26:11,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-13 12:26:11,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 258 transitions. [2024-10-13 12:26:11,344 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.548936170212766 [2024-10-13 12:26:11,344 INFO L175 Difference]: Start difference. First operand has 105 places, 134 transitions, 1472 flow. Second operand 10 states and 258 transitions. [2024-10-13 12:26:11,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 221 transitions, 2741 flow [2024-10-13 12:26:11,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 221 transitions, 2623 flow, removed 38 selfloop flow, removed 7 redundant places. [2024-10-13 12:26:11,548 INFO L231 Difference]: Finished difference. Result has 107 places, 163 transitions, 2015 flow [2024-10-13 12:26:11,548 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1378, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2015, PETRI_PLACES=107, PETRI_TRANSITIONS=163} [2024-10-13 12:26:11,550 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 55 predicate places. [2024-10-13 12:26:11,550 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 163 transitions, 2015 flow [2024-10-13 12:26:11,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 16.583333333333332) internal successors, (199), 12 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:26:11,550 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:26:11,550 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:26:11,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 12:26:11,551 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-13 12:26:11,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:26:11,551 INFO L85 PathProgramCache]: Analyzing trace with hash -707507542, now seen corresponding path program 4 times [2024-10-13 12:26:11,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:26:11,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013048158] [2024-10-13 12:26:11,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:26:11,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:26:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:26:11,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:26:11,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:26:11,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013048158] [2024-10-13 12:26:11,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013048158] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:26:11,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:26:11,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 12:26:11,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537010418] [2024-10-13 12:26:11,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:26:11,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 12:26:11,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:26:11,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 12:26:11,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-13 12:26:11,881 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 47 [2024-10-13 12:26:11,881 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 163 transitions, 2015 flow. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:26:11,881 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:26:11,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 47 [2024-10-13 12:26:11,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:26:15,797 INFO L124 PetriNetUnfolderBase]: 12911/20480 cut-off events. [2024-10-13 12:26:15,798 INFO L125 PetriNetUnfolderBase]: For 167323/167871 co-relation queries the response was YES. [2024-10-13 12:26:15,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103913 conditions, 20480 events. 12911/20480 cut-off events. For 167323/167871 co-relation queries the response was YES. Maximal size of possible extension queue 1079. Compared 151798 event pairs, 1550 based on Foata normal form. 864/21318 useless extension candidates. Maximal degree in co-relation 103871. Up to 8293 conditions per place. [2024-10-13 12:26:16,204 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 122 selfloop transitions, 11 changer transitions 107/277 dead transitions. [2024-10-13 12:26:16,205 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 277 transitions, 3727 flow [2024-10-13 12:26:16,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 12:26:16,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 12:26:16,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 153 transitions. [2024-10-13 12:26:16,206 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5425531914893617 [2024-10-13 12:26:16,206 INFO L175 Difference]: Start difference. First operand has 107 places, 163 transitions, 2015 flow. Second operand 6 states and 153 transitions. [2024-10-13 12:26:16,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 277 transitions, 3727 flow [2024-10-13 12:26:17,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 277 transitions, 3326 flow, removed 142 selfloop flow, removed 8 redundant places. [2024-10-13 12:26:17,165 INFO L231 Difference]: Finished difference. Result has 104 places, 114 transitions, 1324 flow [2024-10-13 12:26:17,166 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1709, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1324, PETRI_PLACES=104, PETRI_TRANSITIONS=114} [2024-10-13 12:26:17,167 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 52 predicate places. [2024-10-13 12:26:17,167 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 114 transitions, 1324 flow [2024-10-13 12:26:17,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:26:17,167 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:26:17,167 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:26:17,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-13 12:26:17,168 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-13 12:26:17,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:26:17,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1223552245, now seen corresponding path program 1 times [2024-10-13 12:26:17,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:26:17,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572583538] [2024-10-13 12:26:17,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:26:17,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:26:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:26:17,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:26:17,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:26:17,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572583538] [2024-10-13 12:26:17,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572583538] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:26:17,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:26:17,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 12:26:17,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252052482] [2024-10-13 12:26:17,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:26:17,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 12:26:17,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:26:17,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 12:26:17,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 12:26:17,701 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 47 [2024-10-13 12:26:17,701 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 114 transitions, 1324 flow. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:26:17,702 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:26:17,702 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 47 [2024-10-13 12:26:17,702 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:26:19,114 INFO L124 PetriNetUnfolderBase]: 3241/6421 cut-off events. [2024-10-13 12:26:19,114 INFO L125 PetriNetUnfolderBase]: For 34562/36149 co-relation queries the response was YES. [2024-10-13 12:26:19,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27931 conditions, 6421 events. 3241/6421 cut-off events. For 34562/36149 co-relation queries the response was YES. Maximal size of possible extension queue 553. Compared 53712 event pairs, 416 based on Foata normal form. 272/6136 useless extension candidates. Maximal degree in co-relation 27893. Up to 2388 conditions per place. [2024-10-13 12:26:19,170 INFO L140 encePairwiseOnDemand]: 42/47 looper letters, 35 selfloop transitions, 1 changer transitions 95/152 dead transitions. [2024-10-13 12:26:19,170 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 152 transitions, 1827 flow [2024-10-13 12:26:19,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 12:26:19,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 12:26:19,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 142 transitions. [2024-10-13 12:26:19,176 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5035460992907801 [2024-10-13 12:26:19,176 INFO L175 Difference]: Start difference. First operand has 104 places, 114 transitions, 1324 flow. Second operand 6 states and 142 transitions. [2024-10-13 12:26:19,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 152 transitions, 1827 flow [2024-10-13 12:26:19,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 152 transitions, 1653 flow, removed 65 selfloop flow, removed 6 redundant places. [2024-10-13 12:26:19,301 INFO L231 Difference]: Finished difference. Result has 105 places, 52 transitions, 410 flow [2024-10-13 12:26:19,301 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1175, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=410, PETRI_PLACES=105, PETRI_TRANSITIONS=52} [2024-10-13 12:26:19,303 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 53 predicate places. [2024-10-13 12:26:19,303 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 52 transitions, 410 flow [2024-10-13 12:26:19,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:26:19,304 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:26:19,304 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:26:19,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 12:26:19,304 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-13 12:26:19,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:26:19,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1808653159, now seen corresponding path program 2 times [2024-10-13 12:26:19,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:26:19,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204162754] [2024-10-13 12:26:19,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:26:19,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:26:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:26:22,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:26:22,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:26:22,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204162754] [2024-10-13 12:26:22,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204162754] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:26:22,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:26:22,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 12:26:22,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343569471] [2024-10-13 12:26:22,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:26:22,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 12:26:22,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:26:22,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 12:26:22,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-13 12:26:22,478 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-13 12:26:22,478 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 52 transitions, 410 flow. Second operand has 12 states, 12 states have (on average 16.833333333333332) internal successors, (202), 12 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:26:22,478 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:26:22,478 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-13 12:26:22,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:26:23,191 INFO L124 PetriNetUnfolderBase]: 843/1753 cut-off events. [2024-10-13 12:26:23,191 INFO L125 PetriNetUnfolderBase]: For 4691/5260 co-relation queries the response was YES. [2024-10-13 12:26:23,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6995 conditions, 1753 events. 843/1753 cut-off events. For 4691/5260 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 12275 event pairs, 65 based on Foata normal form. 55/1641 useless extension candidates. Maximal degree in co-relation 6964. Up to 442 conditions per place. [2024-10-13 12:26:23,198 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 0 selfloop transitions, 0 changer transitions 80/80 dead transitions. [2024-10-13 12:26:23,198 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 80 transitions, 681 flow [2024-10-13 12:26:23,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 12:26:23,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-13 12:26:23,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 210 transitions. [2024-10-13 12:26:23,199 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.44680851063829785 [2024-10-13 12:26:23,199 INFO L175 Difference]: Start difference. First operand has 105 places, 52 transitions, 410 flow. Second operand 10 states and 210 transitions. [2024-10-13 12:26:23,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 80 transitions, 681 flow [2024-10-13 12:26:23,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 80 transitions, 565 flow, removed 10 selfloop flow, removed 27 redundant places. [2024-10-13 12:26:23,207 INFO L231 Difference]: Finished difference. Result has 78 places, 0 transitions, 0 flow [2024-10-13 12:26:23,207 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=0, PETRI_PLACES=78, PETRI_TRANSITIONS=0} [2024-10-13 12:26:23,208 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 26 predicate places. [2024-10-13 12:26:23,208 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 0 transitions, 0 flow [2024-10-13 12:26:23,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 16.833333333333332) internal successors, (202), 12 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:26:23,211 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2024-10-13 12:26:23,211 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining) [2024-10-13 12:26:23,212 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining) [2024-10-13 12:26:23,212 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-10-13 12:26:23,212 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-10-13 12:26:23,212 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-10-13 12:26:23,212 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-10-13 12:26:23,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-13 12:26:23,213 INFO L407 BasicCegarLoop]: Path program histogram: [4, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-13 12:26:23,217 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 12:26:23,217 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 12:26:23,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:26:23 BasicIcfg [2024-10-13 12:26:23,221 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 12:26:23,222 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 12:26:23,222 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 12:26:23,222 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 12:26:23,222 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:25:31" (3/4) ... [2024-10-13 12:26:23,224 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 12:26:23,226 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-13 12:26:23,226 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-13 12:26:23,226 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-13 12:26:23,231 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 92 nodes and edges [2024-10-13 12:26:23,232 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-10-13 12:26:23,232 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-13 12:26:23,232 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 12:26:23,312 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 12:26:23,312 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 12:26:23,312 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 12:26:23,313 INFO L158 Benchmark]: Toolchain (without parser) took 53582.79ms. Allocated memory was 199.2MB in the beginning and 7.6GB in the end (delta: 7.4GB). Free memory was 130.7MB in the beginning and 7.3GB in the end (delta: -7.2GB). Peak memory consumption was 203.9MB. Max. memory is 16.1GB. [2024-10-13 12:26:23,313 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 12:26:23,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 688.02ms. Allocated memory is still 199.2MB. Free memory was 130.5MB in the beginning and 158.9MB in the end (delta: -28.4MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2024-10-13 12:26:23,313 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.72ms. Allocated memory is still 199.2MB. Free memory was 158.9MB in the beginning and 154.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 12:26:23,313 INFO L158 Benchmark]: Boogie Preprocessor took 72.63ms. Allocated memory is still 199.2MB. Free memory was 154.7MB in the beginning and 149.2MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-13 12:26:23,313 INFO L158 Benchmark]: RCFGBuilder took 1019.68ms. Allocated memory is still 199.2MB. Free memory was 149.2MB in the beginning and 146.0MB in the end (delta: 3.2MB). Peak memory consumption was 77.5MB. Max. memory is 16.1GB. [2024-10-13 12:26:23,314 INFO L158 Benchmark]: TraceAbstraction took 51641.11ms. Allocated memory was 199.2MB in the beginning and 7.6GB in the end (delta: 7.4GB). Free memory was 145.0MB in the beginning and 7.3GB in the end (delta: -7.2GB). Peak memory consumption was 210.2MB. Max. memory is 16.1GB. [2024-10-13 12:26:23,314 INFO L158 Benchmark]: Witness Printer took 90.50ms. Allocated memory is still 7.6GB. Free memory was 7.3GB in the beginning and 7.3GB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-13 12:26:23,317 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 688.02ms. Allocated memory is still 199.2MB. Free memory was 130.5MB in the beginning and 158.9MB in the end (delta: -28.4MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.72ms. Allocated memory is still 199.2MB. Free memory was 158.9MB in the beginning and 154.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.63ms. Allocated memory is still 199.2MB. Free memory was 154.7MB in the beginning and 149.2MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1019.68ms. Allocated memory is still 199.2MB. Free memory was 149.2MB in the beginning and 146.0MB in the end (delta: 3.2MB). Peak memory consumption was 77.5MB. Max. memory is 16.1GB. * TraceAbstraction took 51641.11ms. Allocated memory was 199.2MB in the beginning and 7.6GB in the end (delta: 7.4GB). Free memory was 145.0MB in the beginning and 7.3GB in the end (delta: -7.2GB). Peak memory consumption was 210.2MB. Max. memory is 16.1GB. * Witness Printer took 90.50ms. Allocated memory is still 7.6GB. Free memory was 7.3GB in the beginning and 7.3GB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 866]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 74 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 51.5s, OverallIterations: 16, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 33.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1080 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1064 mSDsluCounter, 182 SdHoareTripleChecker+Invalid, 5.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 144 mSDsCounter, 321 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4312 IncrementalHoareTripleChecker+Invalid, 4633 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 321 mSolverCounterUnsat, 38 mSDtfsCounter, 4312 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 163 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2015occurred in iteration=13, InterpolantAutomatonStates: 124, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 16.8s InterpolantComputationTime, 355 NumberOfCodeBlocks, 355 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 339 ConstructedInterpolants, 0 QuantifiedInterpolants, 3302 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-13 12:26:23,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE