./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/safe030_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-wmm/safe030_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 1730fa7f98e17ee8b58920ef3daf63ee88225f1b42924032a532b5f5db33fba5 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 16:12:54,930 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 16:12:55,021 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-12 16:12:55,030 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 16:12:55,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 16:12:55,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 16:12:55,074 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 16:12:55,074 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 16:12:55,075 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 16:12:55,082 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 16:12:55,082 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 16:12:55,082 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 16:12:55,083 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 16:12:55,083 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 16:12:55,083 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 16:12:55,083 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 16:12:55,084 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 16:12:55,084 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 16:12:55,084 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 16:12:55,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 16:12:55,084 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-12 16:12:55,085 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-12 16:12:55,085 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-12 16:12:55,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 16:12:55,087 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-12 16:12:55,087 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 16:12:55,090 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 16:12:55,090 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 16:12:55,090 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 16:12:55,091 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 16:12:55,091 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 16:12:55,091 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 16:12:55,091 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 16:12:55,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 16:12:55,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 16:12:55,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 16:12:55,091 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 16:12:55,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 16:12:55,092 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 16:12:55,092 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 16:12:55,092 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 16:12:55,094 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 16:12:55,094 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1730fa7f98e17ee8b58920ef3daf63ee88225f1b42924032a532b5f5db33fba5 [2024-11-12 16:12:55,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 16:12:55,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 16:12:55,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 16:12:55,520 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 16:12:55,520 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 16:12:55,521 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe030_tso.i [2024-11-12 16:12:56,854 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 16:12:57,061 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 16:12:57,062 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe030_tso.i [2024-11-12 16:12:57,077 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82c78f84e/a51002d7735f407293af601319a8bda0/FLAGf517d5718 [2024-11-12 16:12:57,094 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82c78f84e/a51002d7735f407293af601319a8bda0 [2024-11-12 16:12:57,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 16:12:57,097 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 16:12:57,098 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 16:12:57,098 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 16:12:57,102 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 16:12:57,103 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:12:57" (1/1) ... [2024-11-12 16:12:57,103 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cdd088e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:12:57, skipping insertion in model container [2024-11-12 16:12:57,104 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:12:57" (1/1) ... [2024-11-12 16:12:57,133 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 16:12:57,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 16:12:57,481 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 16:12:57,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 16:12:57,539 INFO L204 MainTranslator]: Completed translation [2024-11-12 16:12:57,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:12:57 WrapperNode [2024-11-12 16:12:57,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 16:12:57,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 16:12:57,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 16:12:57,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 16:12:57,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:12:57" (1/1) ... [2024-11-12 16:12:57,555 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:12:57" (1/1) ... [2024-11-12 16:12:57,569 INFO L138 Inliner]: procedures = 175, calls = 42, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2024-11-12 16:12:57,569 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 16:12:57,570 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 16:12:57,570 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 16:12:57,570 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 16:12:57,577 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:12:57" (1/1) ... [2024-11-12 16:12:57,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:12:57" (1/1) ... [2024-11-12 16:12:57,579 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:12:57" (1/1) ... [2024-11-12 16:12:57,588 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 16:12:57,589 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:12:57" (1/1) ... [2024-11-12 16:12:57,589 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:12:57" (1/1) ... [2024-11-12 16:12:57,592 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:12:57" (1/1) ... [2024-11-12 16:12:57,593 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:12:57" (1/1) ... [2024-11-12 16:12:57,594 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:12:57" (1/1) ... [2024-11-12 16:12:57,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:12:57" (1/1) ... [2024-11-12 16:12:57,596 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 16:12:57,597 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 16:12:57,597 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 16:12:57,597 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 16:12:57,597 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:12:57" (1/1) ... [2024-11-12 16:12:57,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 16:12:57,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:12:57,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 16:12:57,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 16:12:57,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-12 16:12:57,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 16:12:57,653 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-12 16:12:57,653 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-12 16:12:57,653 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-12 16:12:57,653 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-12 16:12:57,654 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-12 16:12:57,654 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-12 16:12:57,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 16:12:57,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-12 16:12:57,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 16:12:57,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 16:12:57,655 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 16:12:57,739 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 16:12:57,741 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 16:12:57,854 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 16:12:57,855 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 16:12:57,920 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 16:12:57,920 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 16:12:57,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:12:57 BoogieIcfgContainer [2024-11-12 16:12:57,921 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 16:12:57,923 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 16:12:57,923 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 16:12:57,926 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 16:12:57,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 04:12:57" (1/3) ... [2024-11-12 16:12:57,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@326a0fbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:12:57, skipping insertion in model container [2024-11-12 16:12:57,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:12:57" (2/3) ... [2024-11-12 16:12:57,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@326a0fbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:12:57, skipping insertion in model container [2024-11-12 16:12:57,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:12:57" (3/3) ... [2024-11-12 16:12:57,929 INFO L112 eAbstractionObserver]: Analyzing ICFG safe030_tso.i [2024-11-12 16:12:57,942 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 16:12:57,942 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-12 16:12:57,942 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 16:12:57,985 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-12 16:12:58,020 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 43 transitions, 98 flow [2024-11-12 16:12:58,043 INFO L124 PetriNetUnfolderBase]: 2/40 cut-off events. [2024-11-12 16:12:58,043 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 16:12:58,047 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. [2024-11-12 16:12:58,048 INFO L82 GeneralOperation]: Start removeDead. Operand has 51 places, 43 transitions, 98 flow [2024-11-12 16:12:58,056 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 47 places, 39 transitions, 87 flow [2024-11-12 16:12:58,069 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 16:12:58,080 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;@6ab36868, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 16:12:58,080 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-12 16:12:58,095 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 16:12:58,095 INFO L124 PetriNetUnfolderBase]: 2/37 cut-off events. [2024-11-12 16:12:58,095 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 16:12:58,095 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:12:58,096 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:12:58,096 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)] === [2024-11-12 16:12:58,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:12:58,103 INFO L85 PathProgramCache]: Analyzing trace with hash -501630994, now seen corresponding path program 1 times [2024-11-12 16:12:58,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:12:58,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284890307] [2024-11-12 16:12:58,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:12:58,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:12:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:12:58,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:12:58,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:12:58,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284890307] [2024-11-12 16:12:58,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284890307] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:12:58,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:12:58,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-12 16:12:58,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065923577] [2024-11-12 16:12:58,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:12:58,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 16:12:58,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:12:58,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 16:12:58,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:12:58,614 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 43 [2024-11-12 16:12:58,621 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) [2024-11-12 16:12:58,623 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:12:58,623 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 43 [2024-11-12 16:12:58,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:12:58,757 INFO L124 PetriNetUnfolderBase]: 75/219 cut-off events. [2024-11-12 16:12:58,757 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 16:12:58,762 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 1149 event pairs, 75 based on Foata normal form. 24/224 useless extension candidates. Maximal degree in co-relation 363. Up to 136 conditions per place. [2024-11-12 16:12:58,765 INFO L140 encePairwiseOnDemand]: 39/43 looper letters, 12 selfloop transitions, 1 changer transitions 1/35 dead transitions. [2024-11-12 16:12:58,770 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 35 transitions, 107 flow [2024-11-12 16:12:58,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 16:12:58,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 16:12:58,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 89 transitions. [2024-11-12 16:12:58,792 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.689922480620155 [2024-11-12 16:12:58,793 INFO L175 Difference]: Start difference. First operand has 47 places, 39 transitions, 87 flow. Second operand 3 states and 89 transitions. [2024-11-12 16:12:58,794 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 35 transitions, 107 flow [2024-11-12 16:12:58,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 35 transitions, 104 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-12 16:12:58,802 INFO L231 Difference]: Finished difference. Result has 44 places, 34 transitions, 76 flow [2024-11-12 16:12:58,804 INFO L262 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} [2024-11-12 16:12:58,809 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, -3 predicate places. [2024-11-12 16:12:58,810 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 34 transitions, 76 flow [2024-11-12 16:12:58,810 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) [2024-11-12 16:12:58,810 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:12:58,810 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:12:58,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 16:12:58,814 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)] === [2024-11-12 16:12:58,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:12:58,816 INFO L85 PathProgramCache]: Analyzing trace with hash -501629625, now seen corresponding path program 1 times [2024-11-12 16:12:58,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:12:58,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000282529] [2024-11-12 16:12:58,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:12:58,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:12:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:12:59,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:12:59,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:12:59,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000282529] [2024-11-12 16:12:59,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000282529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:12:59,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:12:59,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 16:12:59,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722061752] [2024-11-12 16:12:59,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:12:59,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 16:12:59,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:12:59,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 16:12:59,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:12:59,326 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 43 [2024-11-12 16:12:59,326 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 34 transitions, 76 flow. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:12:59,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:12:59,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 43 [2024-11-12 16:12:59,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:12:59,743 INFO L124 PetriNetUnfolderBase]: 1998/3484 cut-off events. [2024-11-12 16:12:59,744 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 16:12:59,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6521 conditions, 3484 events. 1998/3484 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 23583 event pairs, 433 based on Foata normal form. 0/3345 useless extension candidates. Maximal degree in co-relation 6515. Up to 1096 conditions per place. [2024-11-12 16:12:59,758 INFO L140 encePairwiseOnDemand]: 32/43 looper letters, 30 selfloop transitions, 7 changer transitions 61/111 dead transitions. [2024-11-12 16:12:59,758 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 111 transitions, 430 flow [2024-11-12 16:12:59,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 16:12:59,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-12 16:12:59,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 253 transitions. [2024-11-12 16:12:59,761 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6537467700258398 [2024-11-12 16:12:59,761 INFO L175 Difference]: Start difference. First operand has 44 places, 34 transitions, 76 flow. Second operand 9 states and 253 transitions. [2024-11-12 16:12:59,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 111 transitions, 430 flow [2024-11-12 16:12:59,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 111 transitions, 429 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 16:12:59,763 INFO L231 Difference]: Finished difference. Result has 58 places, 39 transitions, 171 flow [2024-11-12 16:12:59,763 INFO L262 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=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=171, PETRI_PLACES=58, PETRI_TRANSITIONS=39} [2024-11-12 16:12:59,764 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 11 predicate places. [2024-11-12 16:12:59,764 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 39 transitions, 171 flow [2024-11-12 16:12:59,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:12:59,764 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:12:59,764 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:12:59,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 16:12:59,765 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)] === [2024-11-12 16:12:59,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:12:59,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1971983304, now seen corresponding path program 1 times [2024-11-12 16:12:59,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:12:59,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840301452] [2024-11-12 16:12:59,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:12:59,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:12:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:12:59,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:12:59,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:12:59,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840301452] [2024-11-12 16:12:59,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840301452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:12:59,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:12:59,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 16:12:59,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242053094] [2024-11-12 16:12:59,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:12:59,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 16:12:59,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:12:59,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 16:12:59,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 16:12:59,895 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 43 [2024-11-12 16:12:59,896 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 39 transitions, 171 flow. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:12:59,896 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:12:59,896 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 43 [2024-11-12 16:12:59,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:13:00,241 INFO L124 PetriNetUnfolderBase]: 1395/2659 cut-off events. [2024-11-12 16:13:00,242 INFO L125 PetriNetUnfolderBase]: For 4959/4965 co-relation queries the response was YES. [2024-11-12 16:13:00,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8363 conditions, 2659 events. 1395/2659 cut-off events. For 4959/4965 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 18305 event pairs, 194 based on Foata normal form. 90/2733 useless extension candidates. Maximal degree in co-relation 8348. Up to 1010 conditions per place. [2024-11-12 16:13:00,255 INFO L140 encePairwiseOnDemand]: 33/43 looper letters, 40 selfloop transitions, 11 changer transitions 58/122 dead transitions. [2024-11-12 16:13:00,255 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 122 transitions, 875 flow [2024-11-12 16:13:00,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 16:13:00,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-12 16:13:00,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 272 transitions. [2024-11-12 16:13:00,260 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6325581395348837 [2024-11-12 16:13:00,260 INFO L175 Difference]: Start difference. First operand has 58 places, 39 transitions, 171 flow. Second operand 10 states and 272 transitions. [2024-11-12 16:13:00,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 122 transitions, 875 flow [2024-11-12 16:13:00,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 122 transitions, 751 flow, removed 30 selfloop flow, removed 4 redundant places. [2024-11-12 16:13:00,289 INFO L231 Difference]: Finished difference. Result has 65 places, 46 transitions, 269 flow [2024-11-12 16:13:00,290 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=269, PETRI_PLACES=65, PETRI_TRANSITIONS=46} [2024-11-12 16:13:00,290 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 18 predicate places. [2024-11-12 16:13:00,291 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 46 transitions, 269 flow [2024-11-12 16:13:00,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:13:00,291 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:13:00,292 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:13:00,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 16:13:00,292 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)] === [2024-11-12 16:13:00,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:13:00,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1884885466, now seen corresponding path program 1 times [2024-11-12 16:13:00,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:13:00,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021631601] [2024-11-12 16:13:00,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:13:00,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:13:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:13:00,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:13:00,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:13:00,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021631601] [2024-11-12 16:13:00,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021631601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:13:00,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:13:00,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 16:13:00,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635200196] [2024-11-12 16:13:00,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:13:00,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 16:13:00,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:13:00,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 16:13:00,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 16:13:00,402 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 43 [2024-11-12 16:13:00,402 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 46 transitions, 269 flow. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:13:00,402 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:13:00,402 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 43 [2024-11-12 16:13:00,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:13:00,672 INFO L124 PetriNetUnfolderBase]: 1248/2367 cut-off events. [2024-11-12 16:13:00,673 INFO L125 PetriNetUnfolderBase]: For 8192/8196 co-relation queries the response was YES. [2024-11-12 16:13:00,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8598 conditions, 2367 events. 1248/2367 cut-off events. For 8192/8196 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 15885 event pairs, 222 based on Foata normal form. 67/2402 useless extension candidates. Maximal degree in co-relation 8576. Up to 954 conditions per place. [2024-11-12 16:13:00,685 INFO L140 encePairwiseOnDemand]: 33/43 looper letters, 45 selfloop transitions, 17 changer transitions 50/125 dead transitions. [2024-11-12 16:13:00,685 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 125 transitions, 991 flow [2024-11-12 16:13:00,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 16:13:00,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-12 16:13:00,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 266 transitions. [2024-11-12 16:13:00,686 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6186046511627907 [2024-11-12 16:13:00,686 INFO L175 Difference]: Start difference. First operand has 65 places, 46 transitions, 269 flow. Second operand 10 states and 266 transitions. [2024-11-12 16:13:00,686 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 125 transitions, 991 flow [2024-11-12 16:13:00,696 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 125 transitions, 959 flow, removed 16 selfloop flow, removed 0 redundant places. [2024-11-12 16:13:00,698 INFO L231 Difference]: Finished difference. Result has 77 places, 55 transitions, 441 flow [2024-11-12 16:13:00,698 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=257, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=441, PETRI_PLACES=77, PETRI_TRANSITIONS=55} [2024-11-12 16:13:00,698 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 30 predicate places. [2024-11-12 16:13:00,698 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 55 transitions, 441 flow [2024-11-12 16:13:00,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:13:00,699 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:13:00,699 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:13:00,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 16:13:00,699 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)] === [2024-11-12 16:13:00,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:13:00,700 INFO L85 PathProgramCache]: Analyzing trace with hash 633977861, now seen corresponding path program 1 times [2024-11-12 16:13:00,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:13:00,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070187951] [2024-11-12 16:13:00,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:13:00,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:13:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:13:00,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:13:00,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:13:00,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070187951] [2024-11-12 16:13:00,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070187951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:13:00,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:13:00,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 16:13:00,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514574664] [2024-11-12 16:13:00,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:13:00,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 16:13:00,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:13:00,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 16:13:00,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 16:13:00,794 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 43 [2024-11-12 16:13:00,795 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 55 transitions, 441 flow. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:13:00,795 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:13:00,795 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 43 [2024-11-12 16:13:00,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:13:01,104 INFO L124 PetriNetUnfolderBase]: 1123/2176 cut-off events. [2024-11-12 16:13:01,104 INFO L125 PetriNetUnfolderBase]: For 12090/12096 co-relation queries the response was YES. [2024-11-12 16:13:01,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9144 conditions, 2176 events. 1123/2176 cut-off events. For 12090/12096 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 14594 event pairs, 125 based on Foata normal form. 51/2216 useless extension candidates. Maximal degree in co-relation 9111. Up to 900 conditions per place. [2024-11-12 16:13:01,121 INFO L140 encePairwiseOnDemand]: 33/43 looper letters, 44 selfloop transitions, 22 changer transitions 40/119 dead transitions. [2024-11-12 16:13:01,122 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 119 transitions, 1169 flow [2024-11-12 16:13:01,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 16:13:01,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-12 16:13:01,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 254 transitions. [2024-11-12 16:13:01,123 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5906976744186047 [2024-11-12 16:13:01,123 INFO L175 Difference]: Start difference. First operand has 77 places, 55 transitions, 441 flow. Second operand 10 states and 254 transitions. [2024-11-12 16:13:01,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 119 transitions, 1169 flow [2024-11-12 16:13:01,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 119 transitions, 1117 flow, removed 26 selfloop flow, removed 4 redundant places. [2024-11-12 16:13:01,143 INFO L231 Difference]: Finished difference. Result has 85 places, 63 transitions, 623 flow [2024-11-12 16:13:01,144 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=409, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=623, PETRI_PLACES=85, PETRI_TRANSITIONS=63} [2024-11-12 16:13:01,144 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 38 predicate places. [2024-11-12 16:13:01,144 INFO L471 AbstractCegarLoop]: Abstraction has has 85 places, 63 transitions, 623 flow [2024-11-12 16:13:01,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:13:01,145 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:13:01,145 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:13:01,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 16:13:01,145 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)] === [2024-11-12 16:13:01,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:13:01,146 INFO L85 PathProgramCache]: Analyzing trace with hash 175692443, now seen corresponding path program 1 times [2024-11-12 16:13:01,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:13:01,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504262349] [2024-11-12 16:13:01,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:13:01,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:13:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:13:01,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:13:01,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:13:01,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504262349] [2024-11-12 16:13:01,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504262349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:13:01,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:13:01,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 16:13:01,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199025344] [2024-11-12 16:13:01,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:13:01,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 16:13:01,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:13:01,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 16:13:01,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 16:13:01,254 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 43 [2024-11-12 16:13:01,254 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 63 transitions, 623 flow. Second operand has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:13:01,255 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:13:01,255 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 43 [2024-11-12 16:13:01,255 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:13:01,566 INFO L124 PetriNetUnfolderBase]: 1300/2549 cut-off events. [2024-11-12 16:13:01,567 INFO L125 PetriNetUnfolderBase]: For 19339/19339 co-relation queries the response was YES. [2024-11-12 16:13:01,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11715 conditions, 2549 events. 1300/2549 cut-off events. For 19339/19339 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 18542 event pairs, 203 based on Foata normal form. 50/2570 useless extension candidates. Maximal degree in co-relation 11675. Up to 688 conditions per place. [2024-11-12 16:13:01,582 INFO L140 encePairwiseOnDemand]: 33/43 looper letters, 48 selfloop transitions, 26 changer transitions 43/130 dead transitions. [2024-11-12 16:13:01,582 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 130 transitions, 1431 flow [2024-11-12 16:13:01,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 16:13:01,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-12 16:13:01,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 259 transitions. [2024-11-12 16:13:01,584 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6023255813953489 [2024-11-12 16:13:01,584 INFO L175 Difference]: Start difference. First operand has 85 places, 63 transitions, 623 flow. Second operand 10 states and 259 transitions. [2024-11-12 16:13:01,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 130 transitions, 1431 flow [2024-11-12 16:13:01,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 130 transitions, 1373 flow, removed 29 selfloop flow, removed 6 redundant places. [2024-11-12 16:13:01,604 INFO L231 Difference]: Finished difference. Result has 91 places, 63 transitions, 729 flow [2024-11-12 16:13:01,605 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=597, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=729, PETRI_PLACES=91, PETRI_TRANSITIONS=63} [2024-11-12 16:13:01,605 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 44 predicate places. [2024-11-12 16:13:01,605 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 63 transitions, 729 flow [2024-11-12 16:13:01,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:13:01,606 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:13:01,606 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:13:01,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 16:13:01,606 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)] === [2024-11-12 16:13:01,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:13:01,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1200267631, now seen corresponding path program 1 times [2024-11-12 16:13:01,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:13:01,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432335360] [2024-11-12 16:13:01,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:13:01,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:13:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:13:01,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:13:01,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:13:01,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432335360] [2024-11-12 16:13:01,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432335360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:13:01,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:13:01,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 16:13:01,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489869824] [2024-11-12 16:13:01,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:13:01,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 16:13:01,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:13:01,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 16:13:01,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 16:13:01,699 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 43 [2024-11-12 16:13:01,700 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 63 transitions, 729 flow. Second operand has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:13:01,700 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:13:01,700 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 43 [2024-11-12 16:13:01,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:13:02,136 INFO L124 PetriNetUnfolderBase]: 1473/3012 cut-off events. [2024-11-12 16:13:02,136 INFO L125 PetriNetUnfolderBase]: For 27330/27330 co-relation queries the response was YES. [2024-11-12 16:13:02,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14341 conditions, 3012 events. 1473/3012 cut-off events. For 27330/27330 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 23658 event pairs, 249 based on Foata normal form. 50/2979 useless extension candidates. Maximal degree in co-relation 14308. Up to 912 conditions per place. [2024-11-12 16:13:02,179 INFO L140 encePairwiseOnDemand]: 33/43 looper letters, 46 selfloop transitions, 25 changer transitions 46/130 dead transitions. [2024-11-12 16:13:02,179 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 130 transitions, 1659 flow [2024-11-12 16:13:02,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 16:13:02,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-12 16:13:02,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 257 transitions. [2024-11-12 16:13:02,183 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5976744186046512 [2024-11-12 16:13:02,183 INFO L175 Difference]: Start difference. First operand has 91 places, 63 transitions, 729 flow. Second operand 10 states and 257 transitions. [2024-11-12 16:13:02,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 130 transitions, 1659 flow [2024-11-12 16:13:02,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 130 transitions, 1595 flow, removed 32 selfloop flow, removed 5 redundant places. [2024-11-12 16:13:02,251 INFO L231 Difference]: Finished difference. Result has 98 places, 62 transitions, 829 flow [2024-11-12 16:13:02,251 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=711, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=829, PETRI_PLACES=98, PETRI_TRANSITIONS=62} [2024-11-12 16:13:02,252 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 51 predicate places. [2024-11-12 16:13:02,252 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 62 transitions, 829 flow [2024-11-12 16:13:02,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:13:02,252 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:13:02,252 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:13:02,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 16:13:02,253 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)] === [2024-11-12 16:13:02,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:13:02,253 INFO L85 PathProgramCache]: Analyzing trace with hash 2135515553, now seen corresponding path program 1 times [2024-11-12 16:13:02,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:13:02,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075594138] [2024-11-12 16:13:02,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:13:02,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:13:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:13:02,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:13:02,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:13:02,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075594138] [2024-11-12 16:13:02,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075594138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:13:02,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:13:02,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 16:13:02,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510006778] [2024-11-12 16:13:02,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:13:02,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 16:13:02,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:13:02,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 16:13:02,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 16:13:02,433 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 43 [2024-11-12 16:13:02,434 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 62 transitions, 829 flow. Second operand has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:13:02,434 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:13:02,434 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 43 [2024-11-12 16:13:02,434 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:13:03,090 INFO L124 PetriNetUnfolderBase]: 1674/3559 cut-off events. [2024-11-12 16:13:03,091 INFO L125 PetriNetUnfolderBase]: For 36984/36984 co-relation queries the response was YES. [2024-11-12 16:13:03,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16835 conditions, 3559 events. 1674/3559 cut-off events. For 36984/36984 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 30289 event pairs, 325 based on Foata normal form. 58/3554 useless extension candidates. Maximal degree in co-relation 16798. Up to 1068 conditions per place. [2024-11-12 16:13:03,111 INFO L140 encePairwiseOnDemand]: 33/43 looper letters, 41 selfloop transitions, 23 changer transitions 50/127 dead transitions. [2024-11-12 16:13:03,112 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 127 transitions, 1829 flow [2024-11-12 16:13:03,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 16:13:03,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-12 16:13:03,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 255 transitions. [2024-11-12 16:13:03,113 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5930232558139535 [2024-11-12 16:13:03,113 INFO L175 Difference]: Start difference. First operand has 98 places, 62 transitions, 829 flow. Second operand 10 states and 255 transitions. [2024-11-12 16:13:03,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 127 transitions, 1829 flow [2024-11-12 16:13:03,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 127 transitions, 1691 flow, removed 53 selfloop flow, removed 7 redundant places. [2024-11-12 16:13:03,162 INFO L231 Difference]: Finished difference. Result has 101 places, 57 transitions, 745 flow [2024-11-12 16:13:03,162 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=783, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=745, PETRI_PLACES=101, PETRI_TRANSITIONS=57} [2024-11-12 16:13:03,162 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 54 predicate places. [2024-11-12 16:13:03,163 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 57 transitions, 745 flow [2024-11-12 16:13:03,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:13:03,163 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:13:03,163 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:13:03,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 16:13:03,163 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-12 16:13:03,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:13:03,164 INFO L85 PathProgramCache]: Analyzing trace with hash -285954908, now seen corresponding path program 1 times [2024-11-12 16:13:03,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:13:03,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805989873] [2024-11-12 16:13:03,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:13:03,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:13:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:13:03,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:13:03,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:13:03,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805989873] [2024-11-12 16:13:03,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805989873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:13:03,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:13:03,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 16:13:03,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777506560] [2024-11-12 16:13:03,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:13:03,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:13:03,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:13:03,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:13:03,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:13:03,242 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 43 [2024-11-12 16:13:03,242 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 57 transitions, 745 flow. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:13:03,244 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:13:03,244 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 43 [2024-11-12 16:13:03,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:13:03,687 INFO L124 PetriNetUnfolderBase]: 2587/4981 cut-off events. [2024-11-12 16:13:03,689 INFO L125 PetriNetUnfolderBase]: For 14456/14647 co-relation queries the response was YES. [2024-11-12 16:13:03,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13315 conditions, 4981 events. 2587/4981 cut-off events. For 14456/14647 co-relation queries the response was YES. Maximal size of possible extension queue 405. Compared 40007 event pairs, 778 based on Foata normal form. 237/4976 useless extension candidates. Maximal degree in co-relation 13277. Up to 2405 conditions per place. [2024-11-12 16:13:03,717 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 27 selfloop transitions, 5 changer transitions 0/72 dead transitions. [2024-11-12 16:13:03,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 72 transitions, 843 flow [2024-11-12 16:13:03,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:13:03,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-12 16:13:03,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 118 transitions. [2024-11-12 16:13:03,719 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.686046511627907 [2024-11-12 16:13:03,719 INFO L175 Difference]: Start difference. First operand has 101 places, 57 transitions, 745 flow. Second operand 4 states and 118 transitions. [2024-11-12 16:13:03,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 72 transitions, 843 flow [2024-11-12 16:13:03,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 72 transitions, 750 flow, removed 16 selfloop flow, removed 13 redundant places. [2024-11-12 16:13:03,757 INFO L231 Difference]: Finished difference. Result has 87 places, 61 transitions, 690 flow [2024-11-12 16:13:03,758 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=652, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=690, PETRI_PLACES=87, PETRI_TRANSITIONS=61} [2024-11-12 16:13:03,759 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 40 predicate places. [2024-11-12 16:13:03,759 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 61 transitions, 690 flow [2024-11-12 16:13:03,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:13:03,759 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:13:03,759 INFO L206 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] [2024-11-12 16:13:03,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 16:13:03,760 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-12 16:13:03,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:13:03,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1806013601, now seen corresponding path program 1 times [2024-11-12 16:13:03,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:13:03,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102581315] [2024-11-12 16:13:03,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:13:03,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:13:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:13:03,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:13:03,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:13:03,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102581315] [2024-11-12 16:13:03,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102581315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:13:03,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:13:03,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 16:13:03,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894334565] [2024-11-12 16:13:03,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:13:03,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 16:13:03,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:13:03,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 16:13:03,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:13:03,861 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 43 [2024-11-12 16:13:03,862 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 61 transitions, 690 flow. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:13:03,862 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:13:03,862 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 43 [2024-11-12 16:13:03,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:13:04,176 INFO L124 PetriNetUnfolderBase]: 1964/3752 cut-off events. [2024-11-12 16:13:04,176 INFO L125 PetriNetUnfolderBase]: For 3311/4256 co-relation queries the response was YES. [2024-11-12 16:13:04,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10086 conditions, 3752 events. 1964/3752 cut-off events. For 3311/4256 co-relation queries the response was YES. Maximal size of possible extension queue 356. Compared 28288 event pairs, 193 based on Foata normal form. 273/3843 useless extension candidates. Maximal degree in co-relation 10056. Up to 1820 conditions per place. [2024-11-12 16:13:04,188 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 31 selfloop transitions, 8 changer transitions 4/82 dead transitions. [2024-11-12 16:13:04,188 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 82 transitions, 837 flow [2024-11-12 16:13:04,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 16:13:04,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-12 16:13:04,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 149 transitions. [2024-11-12 16:13:04,190 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6930232558139535 [2024-11-12 16:13:04,190 INFO L175 Difference]: Start difference. First operand has 87 places, 61 transitions, 690 flow. Second operand 5 states and 149 transitions. [2024-11-12 16:13:04,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 82 transitions, 837 flow [2024-11-12 16:13:04,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 82 transitions, 802 flow, removed 16 selfloop flow, removed 4 redundant places. [2024-11-12 16:13:04,197 INFO L231 Difference]: Finished difference. Result has 89 places, 64 transitions, 697 flow [2024-11-12 16:13:04,197 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=656, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=697, PETRI_PLACES=89, PETRI_TRANSITIONS=64} [2024-11-12 16:13:04,197 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 42 predicate places. [2024-11-12 16:13:04,198 INFO L471 AbstractCegarLoop]: Abstraction has has 89 places, 64 transitions, 697 flow [2024-11-12 16:13:04,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:13:04,198 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:13:04,198 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:13:04,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 16:13:04,198 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-12 16:13:04,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:13:04,199 INFO L85 PathProgramCache]: Analyzing trace with hash -2078207800, now seen corresponding path program 1 times [2024-11-12 16:13:04,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:13:04,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098324976] [2024-11-12 16:13:04,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:13:04,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:13:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:13:04,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:13:04,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:13:04,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098324976] [2024-11-12 16:13:04,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098324976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:13:04,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:13:04,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 16:13:04,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367011139] [2024-11-12 16:13:04,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:13:04,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 16:13:04,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:13:04,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 16:13:04,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-12 16:13:04,307 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 43 [2024-11-12 16:13:04,308 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 64 transitions, 697 flow. Second operand has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:13:04,308 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:13:04,308 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 43 [2024-11-12 16:13:04,308 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:13:04,569 INFO L124 PetriNetUnfolderBase]: 1596/2962 cut-off events. [2024-11-12 16:13:04,570 INFO L125 PetriNetUnfolderBase]: For 5467/7375 co-relation queries the response was YES. [2024-11-12 16:13:04,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9661 conditions, 2962 events. 1596/2962 cut-off events. For 5467/7375 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 21336 event pairs, 88 based on Foata normal form. 252/3052 useless extension candidates. Maximal degree in co-relation 9632. Up to 1256 conditions per place. [2024-11-12 16:13:04,580 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 0 selfloop transitions, 0 changer transitions 78/78 dead transitions. [2024-11-12 16:13:04,580 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 78 transitions, 806 flow [2024-11-12 16:13:04,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 16:13:04,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 16:13:04,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 170 transitions. [2024-11-12 16:13:04,581 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6589147286821705 [2024-11-12 16:13:04,581 INFO L175 Difference]: Start difference. First operand has 89 places, 64 transitions, 697 flow. Second operand 6 states and 170 transitions. [2024-11-12 16:13:04,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 78 transitions, 806 flow [2024-11-12 16:13:04,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 78 transitions, 759 flow, removed 7 selfloop flow, removed 8 redundant places. [2024-11-12 16:13:04,587 INFO L231 Difference]: Finished difference. Result has 81 places, 0 transitions, 0 flow [2024-11-12 16:13:04,587 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=627, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=81, PETRI_TRANSITIONS=0} [2024-11-12 16:13:04,588 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 34 predicate places. [2024-11-12 16:13:04,588 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 0 transitions, 0 flow [2024-11-12 16:13:04,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:13:04,590 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-11-12 16:13:04,591 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-11-12 16:13:04,591 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-12 16:13:04,591 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-11-12 16:13:04,591 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-11-12 16:13:04,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 16:13:04,591 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:13:04,594 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-12 16:13:04,594 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 16:13:04,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 04:13:04 BasicIcfg [2024-11-12 16:13:04,597 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 16:13:04,598 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 16:13:04,598 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 16:13:04,598 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 16:13:04,598 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:12:57" (3/4) ... [2024-11-12 16:13:04,600 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-12 16:13:04,602 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-12 16:13:04,602 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-12 16:13:04,602 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-12 16:13:04,605 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2024-11-12 16:13:04,605 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-12 16:13:04,605 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-12 16:13:04,605 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-12 16:13:04,660 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 16:13:04,660 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-12 16:13:04,660 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 16:13:04,661 INFO L158 Benchmark]: Toolchain (without parser) took 7564.09ms. Allocated memory was 169.9MB in the beginning and 497.0MB in the end (delta: 327.2MB). Free memory was 103.9MB in the beginning and 223.3MB in the end (delta: -119.4MB). Peak memory consumption was 207.2MB. Max. memory is 16.1GB. [2024-11-12 16:13:04,661 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 96.5MB. Free memory was 46.8MB in the beginning and 46.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 16:13:04,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.09ms. Allocated memory is still 169.9MB. Free memory was 103.6MB in the beginning and 129.8MB in the end (delta: -26.3MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2024-11-12 16:13:04,661 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.11ms. Allocated memory is still 169.9MB. Free memory was 129.5MB in the beginning and 127.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 16:13:04,662 INFO L158 Benchmark]: Boogie Preprocessor took 26.12ms. Allocated memory is still 169.9MB. Free memory was 127.7MB in the beginning and 125.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 16:13:04,662 INFO L158 Benchmark]: RCFGBuilder took 324.61ms. Allocated memory is still 169.9MB. Free memory was 125.3MB in the beginning and 105.9MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-12 16:13:04,662 INFO L158 Benchmark]: TraceAbstraction took 6674.76ms. Allocated memory was 169.9MB in the beginning and 497.0MB in the end (delta: 327.2MB). Free memory was 105.3MB in the beginning and 228.6MB in the end (delta: -123.3MB). Peak memory consumption was 206.1MB. Max. memory is 16.1GB. [2024-11-12 16:13:04,662 INFO L158 Benchmark]: Witness Printer took 62.83ms. Allocated memory is still 497.0MB. Free memory was 228.6MB in the beginning and 223.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 16:13:04,663 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 96.5MB. Free memory was 46.8MB in the beginning and 46.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 442.09ms. Allocated memory is still 169.9MB. Free memory was 103.6MB in the beginning and 129.8MB in the end (delta: -26.3MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.11ms. Allocated memory is still 169.9MB. Free memory was 129.5MB in the beginning and 127.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.12ms. Allocated memory is still 169.9MB. Free memory was 127.7MB in the beginning and 125.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 324.61ms. Allocated memory is still 169.9MB. Free memory was 125.3MB in the beginning and 105.9MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 6674.76ms. Allocated memory was 169.9MB in the beginning and 497.0MB in the end (delta: 327.2MB). Free memory was 105.3MB in the beginning and 228.6MB in the end (delta: -123.3MB). Peak memory consumption was 206.1MB. Max. memory is 16.1GB. * Witness Printer took 62.83ms. Allocated memory is still 497.0MB. Free memory was 228.6MB in the beginning and 223.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 772]: 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: 6.6s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 510 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 468 mSDsluCounter, 411 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 299 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1007 IncrementalHoareTripleChecker+Invalid, 1066 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 112 mSDtfsCounter, 1007 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=829occurred in iteration=7, InterpolantAutomatonStates: 87, 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, 1.5s InterpolantComputationTime, 215 NumberOfCodeBlocks, 215 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 204 ConstructedInterpolants, 0 QuantifiedInterpolants, 758 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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! [2024-11-12 16:13:04,707 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