./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/safe003_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 61a67961 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/safe003_tso.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 cc60b32bd5539dadbcbe1bdf86f21665a573ec180c72ba491085256c00923963 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 19:34:49,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 19:34:49,968 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-10-14 19:34:49,975 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 19:34:49,977 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 19:34:50,004 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 19:34:50,005 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 19:34:50,005 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 19:34:50,006 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 19:34:50,008 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 19:34:50,008 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 19:34:50,008 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 19:34:50,009 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 19:34:50,009 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 19:34:50,011 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 19:34:50,012 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 19:34:50,012 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 19:34:50,012 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 19:34:50,012 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 19:34:50,013 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 19:34:50,013 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-14 19:34:50,016 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-14 19:34:50,016 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-14 19:34:50,017 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 19:34:50,017 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 19:34:50,017 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 19:34:50,017 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 19:34:50,018 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 19:34:50,018 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 19:34:50,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 19:34:50,019 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 19:34:50,019 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 19:34:50,019 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 19:34:50,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 19:34:50,019 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 19:34:50,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 19:34:50,020 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 19:34:50,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 19:34:50,020 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 19:34:50,020 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 19:34:50,021 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 19:34:50,022 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 19:34:50,022 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc60b32bd5539dadbcbe1bdf86f21665a573ec180c72ba491085256c00923963 [2024-10-14 19:34:50,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 19:34:50,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 19:34:50,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 19:34:50,310 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 19:34:50,311 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 19:34:50,312 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe003_tso.i [2024-10-14 19:34:51,790 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 19:34:52,012 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 19:34:52,013 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe003_tso.i [2024-10-14 19:34:52,026 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6242ba7c/9a056a58a56f41149e69fbabf878f6a8/FLAG35eb1bfaa [2024-10-14 19:34:52,352 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6242ba7c/9a056a58a56f41149e69fbabf878f6a8 [2024-10-14 19:34:52,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 19:34:52,355 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 19:34:52,357 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 19:34:52,357 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 19:34:52,364 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 19:34:52,364 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:34:52" (1/1) ... [2024-10-14 19:34:52,365 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217b3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:34:52, skipping insertion in model container [2024-10-14 19:34:52,366 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:34:52" (1/1) ... [2024-10-14 19:34:52,411 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 19:34:52,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 19:34:52,787 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 19:34:52,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 19:34:52,875 INFO L204 MainTranslator]: Completed translation [2024-10-14 19:34:52,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:34:52 WrapperNode [2024-10-14 19:34:52,877 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 19:34:52,878 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 19:34:52,878 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 19:34:52,881 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 19:34:52,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:34:52" (1/1) ... [2024-10-14 19:34:52,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:34:52" (1/1) ... [2024-10-14 19:34:52,933 INFO L138 Inliner]: procedures = 175, calls = 42, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2024-10-14 19:34:52,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 19:34:52,937 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 19:34:52,937 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 19:34:52,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 19:34:52,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:34:52" (1/1) ... [2024-10-14 19:34:52,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:34:52" (1/1) ... [2024-10-14 19:34:52,949 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:34:52" (1/1) ... [2024-10-14 19:34:52,965 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]. [2024-10-14 19:34:52,965 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:34:52" (1/1) ... [2024-10-14 19:34:52,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:34:52" (1/1) ... [2024-10-14 19:34:52,970 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:34:52" (1/1) ... [2024-10-14 19:34:52,972 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:34:52" (1/1) ... [2024-10-14 19:34:52,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:34:52" (1/1) ... [2024-10-14 19:34:52,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:34:52" (1/1) ... [2024-10-14 19:34:52,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 19:34:52,977 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 19:34:52,977 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 19:34:52,977 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 19:34:52,981 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:34:52" (1/1) ... [2024-10-14 19:34:52,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 19:34:52,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 19:34:53,015 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) [2024-10-14 19:34:53,021 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 [2024-10-14 19:34:53,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-14 19:34:53,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 19:34:53,061 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-14 19:34:53,061 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-14 19:34:53,062 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-14 19:34:53,062 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-14 19:34:53,062 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-14 19:34:53,062 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-14 19:34:53,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 19:34:53,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-14 19:34:53,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 19:34:53,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 19:34:53,064 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 19:34:53,170 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 19:34:53,173 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 19:34:53,342 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 19:34:53,342 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 19:34:53,435 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 19:34:53,436 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 19:34:53,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:34:53 BoogieIcfgContainer [2024-10-14 19:34:53,436 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 19:34:53,438 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 19:34:53,440 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 19:34:53,443 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 19:34:53,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:34:52" (1/3) ... [2024-10-14 19:34:53,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6274832b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:34:53, skipping insertion in model container [2024-10-14 19:34:53,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:34:52" (2/3) ... [2024-10-14 19:34:53,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6274832b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:34:53, skipping insertion in model container [2024-10-14 19:34:53,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:34:53" (3/3) ... [2024-10-14 19:34:53,446 INFO L112 eAbstractionObserver]: Analyzing ICFG safe003_tso.i [2024-10-14 19:34:53,462 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 19:34:53,463 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-14 19:34:53,463 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 19:34:53,515 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-14 19:34:53,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 43 transitions, 98 flow [2024-10-14 19:34:53,584 INFO L124 PetriNetUnfolderBase]: 2/40 cut-off events. [2024-10-14 19:34:53,584 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 19:34:53,591 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 40 events. 2/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 70 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2024-10-14 19:34:53,592 INFO L82 GeneralOperation]: Start removeDead. Operand has 51 places, 43 transitions, 98 flow [2024-10-14 19:34:53,597 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 47 places, 39 transitions, 87 flow [2024-10-14 19:34:53,611 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 19:34:53,617 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;@5efc86, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 19:34:53,617 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-14 19:34:53,633 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 19:34:53,633 INFO L124 PetriNetUnfolderBase]: 2/37 cut-off events. [2024-10-14 19:34:53,633 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 19:34:53,633 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 19:34:53,634 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 19:34:53,635 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-14 19:34:53,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 19:34:53,642 INFO L85 PathProgramCache]: Analyzing trace with hash 710438097, now seen corresponding path program 1 times [2024-10-14 19:34:53,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 19:34:53,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000444433] [2024-10-14 19:34:53,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 19:34:53,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 19:34:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 19:34:53,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 19:34:53,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 19:34:53,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000444433] [2024-10-14 19:34:53,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000444433] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 19:34:53,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 19:34:53,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 19:34:53,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902092073] [2024-10-14 19:34:53,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 19:34:53,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 19:34:53,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 19:34:53,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 19:34:53,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 19:34:53,962 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 43 [2024-10-14 19:34:53,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 39 transitions, 87 flow. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 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) [2024-10-14 19:34:53,965 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 19:34:53,965 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 43 [2024-10-14 19:34:53,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 19:34:54,068 INFO L124 PetriNetUnfolderBase]: 75/219 cut-off events. [2024-10-14 19:34:54,069 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 19:34:54,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 374 conditions, 219 events. 75/219 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1153 event pairs, 75 based on Foata normal form. 24/225 useless extension candidates. Maximal degree in co-relation 363. Up to 136 conditions per place. [2024-10-14 19:34:54,073 INFO L140 encePairwiseOnDemand]: 39/43 looper letters, 12 selfloop transitions, 1 changer transitions 1/35 dead transitions. [2024-10-14 19:34:54,074 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 35 transitions, 107 flow [2024-10-14 19:34:54,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 19:34:54,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 19:34:54,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 89 transitions. [2024-10-14 19:34:54,088 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.689922480620155 [2024-10-14 19:34:54,090 INFO L175 Difference]: Start difference. First operand has 47 places, 39 transitions, 87 flow. Second operand 3 states and 89 transitions. [2024-10-14 19:34:54,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 35 transitions, 107 flow [2024-10-14 19:34:54,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 35 transitions, 104 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-14 19:34:54,097 INFO L231 Difference]: Finished difference. Result has 44 places, 34 transitions, 76 flow [2024-10-14 19:34:54,099 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=44, PETRI_TRANSITIONS=34} [2024-10-14 19:34:54,104 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, -3 predicate places. [2024-10-14 19:34:54,105 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 34 transitions, 76 flow [2024-10-14 19:34:54,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 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) [2024-10-14 19:34:54,106 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 19:34:54,106 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 19:34:54,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 19:34:54,107 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-14 19:34:54,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 19:34:54,108 INFO L85 PathProgramCache]: Analyzing trace with hash 710439650, now seen corresponding path program 1 times [2024-10-14 19:34:54,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 19:34:54,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352757623] [2024-10-14 19:34:54,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 19:34:54,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 19:34:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 19:34:54,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 19:34:54,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 19:34:54,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352757623] [2024-10-14 19:34:54,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352757623] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 19:34:54,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 19:34:54,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 19:34:54,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364541296] [2024-10-14 19:34:54,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 19:34:54,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 19:34:54,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 19:34:54,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 19:34:54,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 19:34:54,567 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 43 [2024-10-14 19:34:54,568 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 34 transitions, 76 flow. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 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) [2024-10-14 19:34:54,568 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 19:34:54,568 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 43 [2024-10-14 19:34:54,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 19:34:55,095 INFO L124 PetriNetUnfolderBase]: 1509/2826 cut-off events. [2024-10-14 19:34:55,096 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 19:34:55,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5192 conditions, 2826 events. 1509/2826 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 20493 event pairs, 328 based on Foata normal form. 0/2712 useless extension candidates. Maximal degree in co-relation 5186. Up to 765 conditions per place. [2024-10-14 19:34:55,119 INFO L140 encePairwiseOnDemand]: 33/43 looper letters, 29 selfloop transitions, 6 changer transitions 55/104 dead transitions. [2024-10-14 19:34:55,120 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 104 transitions, 400 flow [2024-10-14 19:34:55,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 19:34:55,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-14 19:34:55,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 254 transitions. [2024-10-14 19:34:55,125 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6563307493540051 [2024-10-14 19:34:55,126 INFO L175 Difference]: Start difference. First operand has 44 places, 34 transitions, 76 flow. Second operand 9 states and 254 transitions. [2024-10-14 19:34:55,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 104 transitions, 400 flow [2024-10-14 19:34:55,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 104 transitions, 399 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 19:34:55,129 INFO L231 Difference]: Finished difference. Result has 58 places, 38 transitions, 157 flow [2024-10-14 19:34:55,131 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=157, PETRI_PLACES=58, PETRI_TRANSITIONS=38} [2024-10-14 19:34:55,132 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 11 predicate places. [2024-10-14 19:34:55,132 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 38 transitions, 157 flow [2024-10-14 19:34:55,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 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) [2024-10-14 19:34:55,133 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 19:34:55,133 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 19:34:55,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 19:34:55,134 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-14 19:34:55,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 19:34:55,135 INFO L85 PathProgramCache]: Analyzing trace with hash -2045748091, now seen corresponding path program 1 times [2024-10-14 19:34:55,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 19:34:55,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842695720] [2024-10-14 19:34:55,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 19:34:55,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 19:34:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 19:34:55,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 19:34:55,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 19:34:55,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842695720] [2024-10-14 19:34:55,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842695720] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 19:34:55,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 19:34:55,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 19:34:55,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172074686] [2024-10-14 19:34:55,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 19:34:55,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 19:34:55,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 19:34:55,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 19:34:55,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 19:34:55,347 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 43 [2024-10-14 19:34:55,347 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 38 transitions, 157 flow. Second operand has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 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) [2024-10-14 19:34:55,348 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 19:34:55,348 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 43 [2024-10-14 19:34:55,348 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 19:34:55,616 INFO L124 PetriNetUnfolderBase]: 606/1514 cut-off events. [2024-10-14 19:34:55,616 INFO L125 PetriNetUnfolderBase]: For 1838/1879 co-relation queries the response was YES. [2024-10-14 19:34:55,622 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3838 conditions, 1514 events. 606/1514 cut-off events. For 1838/1879 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 12003 event pairs, 211 based on Foata normal form. 58/1472 useless extension candidates. Maximal degree in co-relation 3823. Up to 524 conditions per place. [2024-10-14 19:34:55,629 INFO L140 encePairwiseOnDemand]: 38/43 looper letters, 17 selfloop transitions, 3 changer transitions 17/59 dead transitions. [2024-10-14 19:34:55,629 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 59 transitions, 307 flow [2024-10-14 19:34:55,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 19:34:55,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-10-14 19:34:55,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 190 transitions. [2024-10-14 19:34:55,634 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6312292358803987 [2024-10-14 19:34:55,634 INFO L175 Difference]: Start difference. First operand has 58 places, 38 transitions, 157 flow. Second operand 7 states and 190 transitions. [2024-10-14 19:34:55,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 59 transitions, 307 flow [2024-10-14 19:34:55,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 59 transitions, 271 flow, removed 10 selfloop flow, removed 4 redundant places. [2024-10-14 19:34:55,651 INFO L231 Difference]: Finished difference. Result has 58 places, 38 transitions, 152 flow [2024-10-14 19:34:55,652 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=152, PETRI_PLACES=58, PETRI_TRANSITIONS=38} [2024-10-14 19:34:55,652 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 11 predicate places. [2024-10-14 19:34:55,654 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 38 transitions, 152 flow [2024-10-14 19:34:55,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 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) [2024-10-14 19:34:55,654 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 19:34:55,654 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 19:34:55,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 19:34:55,655 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-14 19:34:55,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 19:34:55,655 INFO L85 PathProgramCache]: Analyzing trace with hash -2120037670, now seen corresponding path program 1 times [2024-10-14 19:34:55,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 19:34:55,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509597153] [2024-10-14 19:34:55,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 19:34:55,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 19:34:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 19:34:55,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 19:34:55,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 19:34:55,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509597153] [2024-10-14 19:34:55,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509597153] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 19:34:55,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 19:34:55,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 19:34:55,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259224170] [2024-10-14 19:34:55,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 19:34:55,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 19:34:55,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 19:34:55,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 19:34:55,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 19:34:55,856 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 43 [2024-10-14 19:34:55,856 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 38 transitions, 152 flow. Second operand has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 6 states have internal predecessors, (121), 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) [2024-10-14 19:34:55,857 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 19:34:55,857 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 43 [2024-10-14 19:34:55,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 19:34:56,180 INFO L124 PetriNetUnfolderBase]: 763/1629 cut-off events. [2024-10-14 19:34:56,181 INFO L125 PetriNetUnfolderBase]: For 2360/2366 co-relation queries the response was YES. [2024-10-14 19:34:56,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4266 conditions, 1629 events. 763/1629 cut-off events. For 2360/2366 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 11621 event pairs, 213 based on Foata normal form. 49/1652 useless extension candidates. Maximal degree in co-relation 4248. Up to 358 conditions per place. [2024-10-14 19:34:56,191 INFO L140 encePairwiseOnDemand]: 35/43 looper letters, 33 selfloop transitions, 6 changer transitions 42/95 dead transitions. [2024-10-14 19:34:56,192 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 95 transitions, 568 flow [2024-10-14 19:34:56,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 19:34:56,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-14 19:34:56,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 255 transitions. [2024-10-14 19:34:56,195 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5930232558139535 [2024-10-14 19:34:56,195 INFO L175 Difference]: Start difference. First operand has 58 places, 38 transitions, 152 flow. Second operand 10 states and 255 transitions. [2024-10-14 19:34:56,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 95 transitions, 568 flow [2024-10-14 19:34:56,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 95 transitions, 532 flow, removed 15 selfloop flow, removed 6 redundant places. [2024-10-14 19:34:56,204 INFO L231 Difference]: Finished difference. Result has 66 places, 41 transitions, 204 flow [2024-10-14 19:34:56,205 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=204, PETRI_PLACES=66, PETRI_TRANSITIONS=41} [2024-10-14 19:34:56,206 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 19 predicate places. [2024-10-14 19:34:56,206 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 41 transitions, 204 flow [2024-10-14 19:34:56,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 6 states have internal predecessors, (121), 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) [2024-10-14 19:34:56,207 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 19:34:56,208 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] [2024-10-14 19:34:56,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 19:34:56,208 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-14 19:34:56,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 19:34:56,209 INFO L85 PathProgramCache]: Analyzing trace with hash 425820384, now seen corresponding path program 1 times [2024-10-14 19:34:56,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 19:34:56,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036188751] [2024-10-14 19:34:56,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 19:34:56,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 19:34:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 19:34:56,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 19:34:56,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 19:34:56,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036188751] [2024-10-14 19:34:56,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036188751] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 19:34:56,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 19:34:56,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 19:34:56,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123333775] [2024-10-14 19:34:56,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 19:34:56,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 19:34:56,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 19:34:56,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 19:34:56,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 19:34:56,373 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 43 [2024-10-14 19:34:56,373 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 41 transitions, 204 flow. Second operand has 7 states, 7 states have (on average 20.0) internal successors, (140), 7 states have internal predecessors, (140), 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) [2024-10-14 19:34:56,373 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 19:34:56,373 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 43 [2024-10-14 19:34:56,374 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 19:34:56,689 INFO L124 PetriNetUnfolderBase]: 744/1613 cut-off events. [2024-10-14 19:34:56,689 INFO L125 PetriNetUnfolderBase]: For 3028/3030 co-relation queries the response was YES. [2024-10-14 19:34:56,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4542 conditions, 1613 events. 744/1613 cut-off events. For 3028/3030 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 11607 event pairs, 149 based on Foata normal form. 32/1607 useless extension candidates. Maximal degree in co-relation 4519. Up to 556 conditions per place. [2024-10-14 19:34:56,698 INFO L140 encePairwiseOnDemand]: 35/43 looper letters, 35 selfloop transitions, 9 changer transitions 38/96 dead transitions. [2024-10-14 19:34:56,698 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 96 transitions, 682 flow [2024-10-14 19:34:56,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 19:34:56,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-14 19:34:56,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 233 transitions. [2024-10-14 19:34:56,700 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6020671834625323 [2024-10-14 19:34:56,700 INFO L175 Difference]: Start difference. First operand has 66 places, 41 transitions, 204 flow. Second operand 9 states and 233 transitions. [2024-10-14 19:34:56,700 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 96 transitions, 682 flow [2024-10-14 19:34:56,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 96 transitions, 606 flow, removed 33 selfloop flow, removed 4 redundant places. [2024-10-14 19:34:56,711 INFO L231 Difference]: Finished difference. Result has 70 places, 39 transitions, 203 flow [2024-10-14 19:34:56,712 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=203, PETRI_PLACES=70, PETRI_TRANSITIONS=39} [2024-10-14 19:34:56,712 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 23 predicate places. [2024-10-14 19:34:56,713 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 39 transitions, 203 flow [2024-10-14 19:34:56,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 7 states have internal predecessors, (140), 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) [2024-10-14 19:34:56,713 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 19:34:56,713 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 19:34:56,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 19:34:56,714 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-14 19:34:56,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 19:34:56,714 INFO L85 PathProgramCache]: Analyzing trace with hash -2084125245, now seen corresponding path program 1 times [2024-10-14 19:34:56,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 19:34:56,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423227147] [2024-10-14 19:34:56,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 19:34:56,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 19:34:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 19:34:56,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 19:34:56,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 19:34:56,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423227147] [2024-10-14 19:34:56,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423227147] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 19:34:56,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 19:34:56,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 19:34:56,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915288796] [2024-10-14 19:34:56,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 19:34:56,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 19:34:56,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 19:34:56,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 19:34:56,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 19:34:56,875 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 43 [2024-10-14 19:34:56,876 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 39 transitions, 203 flow. Second operand has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 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) [2024-10-14 19:34:56,876 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 19:34:56,876 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 43 [2024-10-14 19:34:56,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 19:34:57,093 INFO L124 PetriNetUnfolderBase]: 494/1185 cut-off events. [2024-10-14 19:34:57,094 INFO L125 PetriNetUnfolderBase]: For 1669/1671 co-relation queries the response was YES. [2024-10-14 19:34:57,099 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3173 conditions, 1185 events. 494/1185 cut-off events. For 1669/1671 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 8763 event pairs, 124 based on Foata normal form. 22/1182 useless extension candidates. Maximal degree in co-relation 3146. Up to 315 conditions per place. [2024-10-14 19:34:57,103 INFO L140 encePairwiseOnDemand]: 34/43 looper letters, 32 selfloop transitions, 8 changer transitions 21/75 dead transitions. [2024-10-14 19:34:57,103 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 75 transitions, 499 flow [2024-10-14 19:34:57,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 19:34:57,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-10-14 19:34:57,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 183 transitions. [2024-10-14 19:34:57,105 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6079734219269103 [2024-10-14 19:34:57,105 INFO L175 Difference]: Start difference. First operand has 70 places, 39 transitions, 203 flow. Second operand 7 states and 183 transitions. [2024-10-14 19:34:57,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 75 transitions, 499 flow [2024-10-14 19:34:57,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 75 transitions, 390 flow, removed 34 selfloop flow, removed 17 redundant places. [2024-10-14 19:34:57,114 INFO L231 Difference]: Finished difference. Result has 59 places, 37 transitions, 162 flow [2024-10-14 19:34:57,114 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=143, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=162, PETRI_PLACES=59, PETRI_TRANSITIONS=37} [2024-10-14 19:34:57,115 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 12 predicate places. [2024-10-14 19:34:57,115 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 37 transitions, 162 flow [2024-10-14 19:34:57,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 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) [2024-10-14 19:34:57,116 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 19:34:57,116 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 19:34:57,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 19:34:57,116 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-14 19:34:57,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 19:34:57,117 INFO L85 PathProgramCache]: Analyzing trace with hash 898778181, now seen corresponding path program 2 times [2024-10-14 19:34:57,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 19:34:57,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552796823] [2024-10-14 19:34:57,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 19:34:57,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 19:34:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 19:34:57,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 19:34:57,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 19:34:57,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552796823] [2024-10-14 19:34:57,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552796823] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 19:34:57,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 19:34:57,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 19:34:57,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381520399] [2024-10-14 19:34:57,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 19:34:57,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 19:34:57,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 19:34:57,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 19:34:57,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 19:34:57,276 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 43 [2024-10-14 19:34:57,276 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 37 transitions, 162 flow. Second operand has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 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) [2024-10-14 19:34:57,276 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 19:34:57,277 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 43 [2024-10-14 19:34:57,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 19:34:57,534 INFO L124 PetriNetUnfolderBase]: 234/551 cut-off events. [2024-10-14 19:34:57,534 INFO L125 PetriNetUnfolderBase]: For 493/493 co-relation queries the response was YES. [2024-10-14 19:34:57,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1375 conditions, 551 events. 234/551 cut-off events. For 493/493 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 3193 event pairs, 65 based on Foata normal form. 12/553 useless extension candidates. Maximal degree in co-relation 1358. Up to 150 conditions per place. [2024-10-14 19:34:57,538 INFO L140 encePairwiseOnDemand]: 35/43 looper letters, 23 selfloop transitions, 4 changer transitions 33/74 dead transitions. [2024-10-14 19:34:57,538 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 74 transitions, 394 flow [2024-10-14 19:34:57,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 19:34:57,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-14 19:34:57,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 241 transitions. [2024-10-14 19:34:57,540 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5604651162790698 [2024-10-14 19:34:57,540 INFO L175 Difference]: Start difference. First operand has 59 places, 37 transitions, 162 flow. Second operand 10 states and 241 transitions. [2024-10-14 19:34:57,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 74 transitions, 394 flow [2024-10-14 19:34:57,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 74 transitions, 354 flow, removed 8 selfloop flow, removed 7 redundant places. [2024-10-14 19:34:57,543 INFO L231 Difference]: Finished difference. Result has 64 places, 33 transitions, 123 flow [2024-10-14 19:34:57,544 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=123, PETRI_PLACES=64, PETRI_TRANSITIONS=33} [2024-10-14 19:34:57,544 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 17 predicate places. [2024-10-14 19:34:57,545 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 33 transitions, 123 flow [2024-10-14 19:34:57,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 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) [2024-10-14 19:34:57,545 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 19:34:57,545 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] [2024-10-14 19:34:57,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 19:34:57,546 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-14 19:34:57,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 19:34:57,546 INFO L85 PathProgramCache]: Analyzing trace with hash 286326357, now seen corresponding path program 1 times [2024-10-14 19:34:57,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 19:34:57,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128078428] [2024-10-14 19:34:57,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 19:34:57,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 19:34:57,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 19:34:57,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 19:34:57,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 19:34:57,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128078428] [2024-10-14 19:34:57,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128078428] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 19:34:57,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 19:34:57,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 19:34:57,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796416491] [2024-10-14 19:34:57,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 19:34:57,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 19:34:57,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 19:34:57,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 19:34:57,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 19:34:57,739 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 43 [2024-10-14 19:34:57,739 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 33 transitions, 123 flow. Second operand has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 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) [2024-10-14 19:34:57,740 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 19:34:57,740 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 43 [2024-10-14 19:34:57,740 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 19:34:57,879 INFO L124 PetriNetUnfolderBase]: 133/288 cut-off events. [2024-10-14 19:34:57,880 INFO L125 PetriNetUnfolderBase]: For 249/250 co-relation queries the response was YES. [2024-10-14 19:34:57,880 INFO L83 FinitePrefix]: Finished finitePrefix Result has 724 conditions, 288 events. 133/288 cut-off events. For 249/250 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1307 event pairs, 53 based on Foata normal form. 12/292 useless extension candidates. Maximal degree in co-relation 711. Up to 106 conditions per place. [2024-10-14 19:34:57,881 INFO L140 encePairwiseOnDemand]: 38/43 looper letters, 0 selfloop transitions, 0 changer transitions 48/48 dead transitions. [2024-10-14 19:34:57,881 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 48 transitions, 233 flow [2024-10-14 19:34:57,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 19:34:57,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-14 19:34:57,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 175 transitions. [2024-10-14 19:34:57,883 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5087209302325582 [2024-10-14 19:34:57,883 INFO L175 Difference]: Start difference. First operand has 64 places, 33 transitions, 123 flow. Second operand 8 states and 175 transitions. [2024-10-14 19:34:57,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 48 transitions, 233 flow [2024-10-14 19:34:57,884 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 48 transitions, 196 flow, removed 9 selfloop flow, removed 10 redundant places. [2024-10-14 19:34:57,884 INFO L231 Difference]: Finished difference. Result has 52 places, 0 transitions, 0 flow [2024-10-14 19:34:57,884 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=52, PETRI_TRANSITIONS=0} [2024-10-14 19:34:57,887 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 5 predicate places. [2024-10-14 19:34:57,887 INFO L471 AbstractCegarLoop]: Abstraction has has 52 places, 0 transitions, 0 flow [2024-10-14 19:34:57,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 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) [2024-10-14 19:34:57,890 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-10-14 19:34:57,891 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-10-14 19:34:57,891 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-10-14 19:34:57,891 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-10-14 19:34:57,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-10-14 19:34:57,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 19:34:57,892 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2024-10-14 19:34:57,897 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-14 19:34:57,898 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 19:34:57,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:34:57 BasicIcfg [2024-10-14 19:34:57,904 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 19:34:57,904 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 19:34:57,905 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 19:34:57,905 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 19:34:57,905 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:34:53" (3/4) ... [2024-10-14 19:34:57,908 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 19:34:57,911 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-14 19:34:57,911 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-14 19:34:57,911 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-14 19:34:57,915 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2024-10-14 19:34:57,916 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-14 19:34:57,916 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 19:34:57,916 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-14 19:34:58,003 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 19:34:58,004 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 19:34:58,004 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 19:34:58,004 INFO L158 Benchmark]: Toolchain (without parser) took 5649.38ms. Allocated memory was 192.9MB in the beginning and 268.4MB in the end (delta: 75.5MB). Free memory was 134.1MB in the beginning and 140.4MB in the end (delta: -6.3MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. [2024-10-14 19:34:58,005 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 96.5MB. Free memory was 50.8MB in the beginning and 50.6MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 19:34:58,005 INFO L158 Benchmark]: CACSL2BoogieTranslator took 520.36ms. Allocated memory is still 192.9MB. Free memory was 133.7MB in the beginning and 150.2MB in the end (delta: -16.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-14 19:34:58,005 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.29ms. Allocated memory is still 192.9MB. Free memory was 150.2MB in the beginning and 148.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 19:34:58,006 INFO L158 Benchmark]: Boogie Preprocessor took 39.62ms. Allocated memory is still 192.9MB. Free memory was 148.0MB in the beginning and 146.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 19:34:58,006 INFO L158 Benchmark]: RCFGBuilder took 459.52ms. Allocated memory is still 192.9MB. Free memory was 146.0MB in the beginning and 125.9MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-14 19:34:58,006 INFO L158 Benchmark]: TraceAbstraction took 4465.67ms. Allocated memory was 192.9MB in the beginning and 268.4MB in the end (delta: 75.5MB). Free memory was 125.0MB in the beginning and 145.7MB in the end (delta: -20.7MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-10-14 19:34:58,007 INFO L158 Benchmark]: Witness Printer took 99.42ms. Allocated memory is still 268.4MB. Free memory was 145.7MB in the beginning and 140.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-14 19:34:58,008 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 96.5MB. Free memory was 50.8MB in the beginning and 50.6MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 520.36ms. Allocated memory is still 192.9MB. Free memory was 133.7MB in the beginning and 150.2MB in the end (delta: -16.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.29ms. Allocated memory is still 192.9MB. Free memory was 150.2MB in the beginning and 148.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.62ms. Allocated memory is still 192.9MB. Free memory was 148.0MB in the beginning and 146.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 459.52ms. Allocated memory is still 192.9MB. Free memory was 146.0MB in the beginning and 125.9MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4465.67ms. Allocated memory was 192.9MB in the beginning and 268.4MB in the end (delta: 75.5MB). Free memory was 125.0MB in the beginning and 145.7MB in the end (delta: -20.7MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Witness Printer took 99.42ms. Allocated memory is still 268.4MB. Free memory was 145.7MB in the beginning and 140.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 776]: 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, 66 locations, 5 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: 4.3s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 353 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 322 mSDsluCounter, 248 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 180 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 782 IncrementalHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 68 mSDtfsCounter, 782 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=204occurred in iteration=4, InterpolantAutomatonStates: 63, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 707 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-14 19:34:58,041 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