./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-atomic/lamport.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-atomic/lamport.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 6b308ef82643f3d5bfbffb17cfcc4180faf3590c2e3fc7a25c3079a0f6ea799c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 17:47:18,667 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 17:47:18,724 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-10 17:47:18,727 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 17:47:18,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 17:47:18,751 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 17:47:18,751 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 17:47:18,752 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 17:47:18,752 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 17:47:18,753 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 17:47:18,753 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 17:47:18,754 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 17:47:18,754 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 17:47:18,754 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 17:47:18,756 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 17:47:18,756 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 17:47:18,757 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 17:47:18,757 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 17:47:18,757 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 17:47:18,757 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 17:47:18,758 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-10 17:47:18,759 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-10 17:47:18,759 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-10 17:47:18,759 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 17:47:18,759 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 17:47:18,759 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 17:47:18,760 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 17:47:18,760 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 17:47:18,760 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 17:47:18,760 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 17:47:18,761 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 17:47:18,761 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 17:47:18,761 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 17:47:18,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 17:47:18,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 17:47:18,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 17:47:18,762 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 17:47:18,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 17:47:18,762 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 17:47:18,763 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 17:47:18,763 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 17:47:18,763 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 17:47:18,763 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b308ef82643f3d5bfbffb17cfcc4180faf3590c2e3fc7a25c3079a0f6ea799c [2024-11-10 17:47:18,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 17:47:18,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 17:47:18,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 17:47:18,947 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 17:47:18,948 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 17:47:18,949 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/lamport.i [2024-11-10 17:47:20,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 17:47:20,304 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 17:47:20,305 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/lamport.i [2024-11-10 17:47:20,322 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/205b973b3/ea7abc306eee452dbe2d6e4d2299bf4e/FLAGd31d33841 [2024-11-10 17:47:20,333 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/205b973b3/ea7abc306eee452dbe2d6e4d2299bf4e [2024-11-10 17:47:20,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 17:47:20,336 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 17:47:20,337 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 17:47:20,337 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 17:47:20,341 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 17:47:20,341 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:47:20" (1/1) ... [2024-11-10 17:47:20,342 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9485c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:47:20, skipping insertion in model container [2024-11-10 17:47:20,342 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:47:20" (1/1) ... [2024-11-10 17:47:20,372 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 17:47:20,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 17:47:20,687 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 17:47:20,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 17:47:20,775 INFO L204 MainTranslator]: Completed translation [2024-11-10 17:47:20,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:47:20 WrapperNode [2024-11-10 17:47:20,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 17:47:20,776 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 17:47:20,776 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 17:47:20,776 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 17:47:20,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:47:20" (1/1) ... [2024-11-10 17:47:20,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:47:20" (1/1) ... [2024-11-10 17:47:20,804 INFO L138 Inliner]: procedures = 166, calls = 10, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 115 [2024-11-10 17:47:20,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 17:47:20,805 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 17:47:20,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 17:47:20,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 17:47:20,811 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:47:20" (1/1) ... [2024-11-10 17:47:20,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:47:20" (1/1) ... [2024-11-10 17:47:20,815 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:47:20" (1/1) ... [2024-11-10 17:47:20,825 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 17:47:20,826 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:47:20" (1/1) ... [2024-11-10 17:47:20,826 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:47:20" (1/1) ... [2024-11-10 17:47:20,828 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:47:20" (1/1) ... [2024-11-10 17:47:20,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:47:20" (1/1) ... [2024-11-10 17:47:20,830 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:47:20" (1/1) ... [2024-11-10 17:47:20,830 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:47:20" (1/1) ... [2024-11-10 17:47:20,832 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 17:47:20,832 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 17:47:20,832 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 17:47:20,832 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 17:47:20,833 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:47:20" (1/1) ... [2024-11-10 17:47:20,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 17:47:20,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 17:47:20,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 17:47:20,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 17:47:20,890 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-11-10 17:47:20,891 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-11-10 17:47:20,891 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-10 17:47:20,891 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-10 17:47:20,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 17:47:20,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 17:47:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 17:47:20,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 17:47:20,896 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 17:47:20,996 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 17:47:20,998 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 17:47:21,119 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 17:47:21,119 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 17:47:21,183 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 17:47:21,183 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 17:47:21,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:47:21 BoogieIcfgContainer [2024-11-10 17:47:21,183 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 17:47:21,185 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 17:47:21,185 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 17:47:21,190 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 17:47:21,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:47:20" (1/3) ... [2024-11-10 17:47:21,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5383ca26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:47:21, skipping insertion in model container [2024-11-10 17:47:21,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:47:20" (2/3) ... [2024-11-10 17:47:21,191 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5383ca26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:47:21, skipping insertion in model container [2024-11-10 17:47:21,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:47:21" (3/3) ... [2024-11-10 17:47:21,192 INFO L112 eAbstractionObserver]: Analyzing ICFG lamport.i [2024-11-10 17:47:21,205 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 17:47:21,206 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-10 17:47:21,206 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 17:47:21,252 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-10 17:47:21,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 73 places, 92 transitions, 198 flow [2024-11-10 17:47:21,316 INFO L124 PetriNetUnfolderBase]: 26/90 cut-off events. [2024-11-10 17:47:21,317 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 17:47:21,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 90 events. 26/90 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 234 event pairs, 0 based on Foata normal form. 0/61 useless extension candidates. Maximal degree in co-relation 85. Up to 5 conditions per place. [2024-11-10 17:47:21,320 INFO L82 GeneralOperation]: Start removeDead. Operand has 73 places, 92 transitions, 198 flow [2024-11-10 17:47:21,324 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 70 places, 89 transitions, 190 flow [2024-11-10 17:47:21,333 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 17:47:21,340 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;@74cd5a0d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 17:47:21,340 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-10 17:47:21,350 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 17:47:21,350 INFO L124 PetriNetUnfolderBase]: 4/31 cut-off events. [2024-11-10 17:47:21,350 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 17:47:21,351 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:47:21,351 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:47:21,352 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [thr2Err0ASSERT_VIOLATIONMEMORY_LEAK, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-10 17:47:21,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:47:21,356 INFO L85 PathProgramCache]: Analyzing trace with hash 15015929, now seen corresponding path program 1 times [2024-11-10 17:47:21,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:47:21,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525881111] [2024-11-10 17:47:21,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:47:21,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:47:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:47:21,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:47:21,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:47:21,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525881111] [2024-11-10 17:47:21,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525881111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:47:21,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:47:21,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 17:47:21,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845522745] [2024-11-10 17:47:21,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:47:21,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 17:47:21,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:47:21,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 17:47:21,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 17:47:21,551 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 92 [2024-11-10 17:47:21,553 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 89 transitions, 190 flow. Second operand has 2 states, 2 states have (on average 53.0) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:47:21,553 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:47:21,553 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 92 [2024-11-10 17:47:21,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:47:21,708 INFO L124 PetriNetUnfolderBase]: 441/1030 cut-off events. [2024-11-10 17:47:21,709 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2024-11-10 17:47:21,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1628 conditions, 1030 events. 441/1030 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 6397 event pairs, 288 based on Foata normal form. 312/1172 useless extension candidates. Maximal degree in co-relation 1562. Up to 562 conditions per place. [2024-11-10 17:47:21,719 INFO L140 encePairwiseOnDemand]: 78/92 looper letters, 26 selfloop transitions, 0 changer transitions 0/73 dead transitions. [2024-11-10 17:47:21,720 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 73 transitions, 210 flow [2024-11-10 17:47:21,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 17:47:21,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 17:47:21,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 142 transitions. [2024-11-10 17:47:21,730 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7717391304347826 [2024-11-10 17:47:21,731 INFO L175 Difference]: Start difference. First operand has 70 places, 89 transitions, 190 flow. Second operand 2 states and 142 transitions. [2024-11-10 17:47:21,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 73 transitions, 210 flow [2024-11-10 17:47:21,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 73 transitions, 202 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 17:47:21,736 INFO L231 Difference]: Finished difference. Result has 65 places, 73 transitions, 150 flow [2024-11-10 17:47:21,737 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=150, PETRI_PLACES=65, PETRI_TRANSITIONS=73} [2024-11-10 17:47:21,740 INFO L277 CegarLoopForPetriNet]: 70 programPoint places, -5 predicate places. [2024-11-10 17:47:21,741 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 73 transitions, 150 flow [2024-11-10 17:47:21,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 53.0) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:47:21,741 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:47:21,741 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:47:21,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 17:47:21,742 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [thr2Err0ASSERT_VIOLATIONMEMORY_LEAK, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-10 17:47:21,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:47:21,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1419010311, now seen corresponding path program 1 times [2024-11-10 17:47:21,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:47:21,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557500268] [2024-11-10 17:47:21,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:47:21,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:47:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:47:21,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:47:21,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:47:21,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557500268] [2024-11-10 17:47:21,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557500268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:47:21,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:47:21,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 17:47:21,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443278084] [2024-11-10 17:47:21,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:47:21,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:47:21,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:47:21,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:47:21,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:47:21,864 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 92 [2024-11-10 17:47:21,864 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 73 transitions, 150 flow. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:47:21,865 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:47:21,865 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 92 [2024-11-10 17:47:21,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:47:21,978 INFO L124 PetriNetUnfolderBase]: 567/1263 cut-off events. [2024-11-10 17:47:21,978 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-10 17:47:21,980 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2074 conditions, 1263 events. 567/1263 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 7725 event pairs, 206 based on Foata normal form. 26/1106 useless extension candidates. Maximal degree in co-relation 2071. Up to 467 conditions per place. [2024-11-10 17:47:21,984 INFO L140 encePairwiseOnDemand]: 87/92 looper letters, 43 selfloop transitions, 3 changer transitions 0/90 dead transitions. [2024-11-10 17:47:21,984 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 90 transitions, 278 flow [2024-11-10 17:47:21,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:47:21,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 17:47:21,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2024-11-10 17:47:21,986 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6956521739130435 [2024-11-10 17:47:21,986 INFO L175 Difference]: Start difference. First operand has 65 places, 73 transitions, 150 flow. Second operand 3 states and 192 transitions. [2024-11-10 17:47:21,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 90 transitions, 278 flow [2024-11-10 17:47:21,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 90 transitions, 278 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 17:47:21,989 INFO L231 Difference]: Finished difference. Result has 69 places, 74 transitions, 170 flow [2024-11-10 17:47:21,989 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=170, PETRI_PLACES=69, PETRI_TRANSITIONS=74} [2024-11-10 17:47:21,990 INFO L277 CegarLoopForPetriNet]: 70 programPoint places, -1 predicate places. [2024-11-10 17:47:21,990 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 74 transitions, 170 flow [2024-11-10 17:47:21,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:47:21,990 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:47:21,990 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:47:21,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 17:47:21,991 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONMEMORY_LEAK === [thr2Err0ASSERT_VIOLATIONMEMORY_LEAK, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-10 17:47:21,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:47:21,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1838081945, now seen corresponding path program 1 times [2024-11-10 17:47:21,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:47:21,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220970190] [2024-11-10 17:47:21,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:47:21,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:47:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:47:22,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:47:22,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:47:22,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220970190] [2024-11-10 17:47:22,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220970190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:47:22,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:47:22,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 17:47:22,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174712815] [2024-11-10 17:47:22,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:47:22,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:47:22,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:47:22,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:47:22,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:47:22,051 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 92 [2024-11-10 17:47:22,051 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 74 transitions, 170 flow. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:47:22,051 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:47:22,051 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 92 [2024-11-10 17:47:22,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:47:22,168 INFO L124 PetriNetUnfolderBase]: 532/1175 cut-off events. [2024-11-10 17:47:22,169 INFO L125 PetriNetUnfolderBase]: For 120/120 co-relation queries the response was YES. [2024-11-10 17:47:22,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2069 conditions, 1175 events. 532/1175 cut-off events. For 120/120 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 6880 event pairs, 237 based on Foata normal form. 33/1057 useless extension candidates. Maximal degree in co-relation 2064. Up to 526 conditions per place. [2024-11-10 17:47:22,176 INFO L140 encePairwiseOnDemand]: 88/92 looper letters, 43 selfloop transitions, 2 changer transitions 0/89 dead transitions. [2024-11-10 17:47:22,176 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 89 transitions, 292 flow [2024-11-10 17:47:22,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:47:22,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 17:47:22,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 191 transitions. [2024-11-10 17:47:22,179 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6920289855072463 [2024-11-10 17:47:22,179 INFO L175 Difference]: Start difference. First operand has 69 places, 74 transitions, 170 flow. Second operand 3 states and 191 transitions. [2024-11-10 17:47:22,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 89 transitions, 292 flow [2024-11-10 17:47:22,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 89 transitions, 286 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 17:47:22,182 INFO L231 Difference]: Finished difference. Result has 70 places, 74 transitions, 174 flow [2024-11-10 17:47:22,182 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=70, PETRI_TRANSITIONS=74} [2024-11-10 17:47:22,182 INFO L277 CegarLoopForPetriNet]: 70 programPoint places, 0 predicate places. [2024-11-10 17:47:22,182 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 74 transitions, 174 flow [2024-11-10 17:47:22,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:47:22,183 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:47:22,183 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:47:22,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 17:47:22,183 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [thr2Err0ASSERT_VIOLATIONMEMORY_LEAK, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-10 17:47:22,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:47:22,184 INFO L85 PathProgramCache]: Analyzing trace with hash -921765742, now seen corresponding path program 1 times [2024-11-10 17:47:22,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:47:22,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014626263] [2024-11-10 17:47:22,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:47:22,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:47:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:47:22,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:47:22,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:47:22,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014626263] [2024-11-10 17:47:22,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014626263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:47:22,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:47:22,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 17:47:22,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723783584] [2024-11-10 17:47:22,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:47:22,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:47:22,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:47:22,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:47:22,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:47:22,275 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 92 [2024-11-10 17:47:22,276 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 74 transitions, 174 flow. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 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) [2024-11-10 17:47:22,276 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:47:22,276 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 92 [2024-11-10 17:47:22,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:47:22,426 INFO L124 PetriNetUnfolderBase]: 785/1685 cut-off events. [2024-11-10 17:47:22,426 INFO L125 PetriNetUnfolderBase]: For 131/145 co-relation queries the response was YES. [2024-11-10 17:47:22,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3020 conditions, 1685 events. 785/1685 cut-off events. For 131/145 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 10594 event pairs, 385 based on Foata normal form. 28/1564 useless extension candidates. Maximal degree in co-relation 3014. Up to 940 conditions per place. [2024-11-10 17:47:22,434 INFO L140 encePairwiseOnDemand]: 82/92 looper letters, 46 selfloop transitions, 5 changer transitions 0/90 dead transitions. [2024-11-10 17:47:22,434 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 90 transitions, 313 flow [2024-11-10 17:47:22,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:47:22,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 17:47:22,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 182 transitions. [2024-11-10 17:47:22,437 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6594202898550725 [2024-11-10 17:47:22,437 INFO L175 Difference]: Start difference. First operand has 70 places, 74 transitions, 174 flow. Second operand 3 states and 182 transitions. [2024-11-10 17:47:22,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 90 transitions, 313 flow [2024-11-10 17:47:22,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 90 transitions, 311 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 17:47:22,441 INFO L231 Difference]: Finished difference. Result has 73 places, 78 transitions, 218 flow [2024-11-10 17:47:22,441 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=73, PETRI_TRANSITIONS=78} [2024-11-10 17:47:22,443 INFO L277 CegarLoopForPetriNet]: 70 programPoint places, 3 predicate places. [2024-11-10 17:47:22,443 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 78 transitions, 218 flow [2024-11-10 17:47:22,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 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) [2024-11-10 17:47:22,444 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:47:22,444 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:47:22,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 17:47:22,444 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [thr2Err0ASSERT_VIOLATIONMEMORY_LEAK, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-10 17:47:22,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:47:22,445 INFO L85 PathProgramCache]: Analyzing trace with hash 655986814, now seen corresponding path program 2 times [2024-11-10 17:47:22,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:47:22,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166166571] [2024-11-10 17:47:22,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:47:22,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:47:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:47:22,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:47:22,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:47:22,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166166571] [2024-11-10 17:47:22,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166166571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:47:22,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:47:22,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 17:47:22,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891940505] [2024-11-10 17:47:22,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:47:22,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:47:22,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:47:22,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:47:22,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:47:22,505 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 92 [2024-11-10 17:47:22,506 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 78 transitions, 218 flow. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:47:22,506 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:47:22,506 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 92 [2024-11-10 17:47:22,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:47:22,708 INFO L124 PetriNetUnfolderBase]: 1154/2733 cut-off events. [2024-11-10 17:47:22,708 INFO L125 PetriNetUnfolderBase]: For 694/766 co-relation queries the response was YES. [2024-11-10 17:47:22,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5299 conditions, 2733 events. 1154/2733 cut-off events. For 694/766 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 20545 event pairs, 371 based on Foata normal form. 67/2588 useless extension candidates. Maximal degree in co-relation 5292. Up to 849 conditions per place. [2024-11-10 17:47:22,721 INFO L140 encePairwiseOnDemand]: 87/92 looper letters, 54 selfloop transitions, 3 changer transitions 0/103 dead transitions. [2024-11-10 17:47:22,721 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 103 transitions, 410 flow [2024-11-10 17:47:22,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:47:22,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 17:47:22,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 197 transitions. [2024-11-10 17:47:22,722 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7137681159420289 [2024-11-10 17:47:22,722 INFO L175 Difference]: Start difference. First operand has 73 places, 78 transitions, 218 flow. Second operand 3 states and 197 transitions. [2024-11-10 17:47:22,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 103 transitions, 410 flow [2024-11-10 17:47:22,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 103 transitions, 392 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 17:47:22,728 INFO L231 Difference]: Finished difference. Result has 75 places, 81 transitions, 236 flow [2024-11-10 17:47:22,728 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=236, PETRI_PLACES=75, PETRI_TRANSITIONS=81} [2024-11-10 17:47:22,729 INFO L277 CegarLoopForPetriNet]: 70 programPoint places, 5 predicate places. [2024-11-10 17:47:22,730 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 81 transitions, 236 flow [2024-11-10 17:47:22,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:47:22,731 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:47:22,731 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:47:22,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 17:47:22,731 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [thr2Err0ASSERT_VIOLATIONMEMORY_LEAK, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-10 17:47:22,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:47:22,732 INFO L85 PathProgramCache]: Analyzing trace with hash -247771138, now seen corresponding path program 3 times [2024-11-10 17:47:22,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:47:22,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870198564] [2024-11-10 17:47:22,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:47:22,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:47:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:47:22,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:47:22,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:47:22,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870198564] [2024-11-10 17:47:22,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870198564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:47:22,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:47:22,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 17:47:22,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511893181] [2024-11-10 17:47:22,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:47:22,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:47:22,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:47:22,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:47:22,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:47:22,780 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 92 [2024-11-10 17:47:22,781 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 81 transitions, 236 flow. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 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) [2024-11-10 17:47:22,781 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:47:22,781 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 92 [2024-11-10 17:47:22,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:47:22,928 INFO L124 PetriNetUnfolderBase]: 1199/2646 cut-off events. [2024-11-10 17:47:22,928 INFO L125 PetriNetUnfolderBase]: For 730/818 co-relation queries the response was YES. [2024-11-10 17:47:22,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5624 conditions, 2646 events. 1199/2646 cut-off events. For 730/818 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 19187 event pairs, 641 based on Foata normal form. 113/2623 useless extension candidates. Maximal degree in co-relation 5616. Up to 1578 conditions per place. [2024-11-10 17:47:22,941 INFO L140 encePairwiseOnDemand]: 82/92 looper letters, 51 selfloop transitions, 6 changer transitions 0/97 dead transitions. [2024-11-10 17:47:22,941 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 97 transitions, 401 flow [2024-11-10 17:47:22,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:47:22,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 17:47:22,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 181 transitions. [2024-11-10 17:47:22,942 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6557971014492754 [2024-11-10 17:47:22,942 INFO L175 Difference]: Start difference. First operand has 75 places, 81 transitions, 236 flow. Second operand 3 states and 181 transitions. [2024-11-10 17:47:22,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 97 transitions, 401 flow [2024-11-10 17:47:22,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 97 transitions, 393 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 17:47:22,945 INFO L231 Difference]: Finished difference. Result has 77 places, 85 transitions, 288 flow [2024-11-10 17:47:22,945 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=288, PETRI_PLACES=77, PETRI_TRANSITIONS=85} [2024-11-10 17:47:22,946 INFO L277 CegarLoopForPetriNet]: 70 programPoint places, 7 predicate places. [2024-11-10 17:47:22,946 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 85 transitions, 288 flow [2024-11-10 17:47:22,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 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) [2024-11-10 17:47:22,946 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:47:22,946 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:47:22,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 17:47:22,947 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [thr2Err0ASSERT_VIOLATIONMEMORY_LEAK, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-10 17:47:22,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:47:22,947 INFO L85 PathProgramCache]: Analyzing trace with hash 949487958, now seen corresponding path program 4 times [2024-11-10 17:47:22,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:47:22,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909601669] [2024-11-10 17:47:22,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:47:22,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:47:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:47:22,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:47:22,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:47:22,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909601669] [2024-11-10 17:47:22,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909601669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:47:22,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:47:22,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 17:47:22,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665790962] [2024-11-10 17:47:22,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:47:22,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:47:22,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:47:22,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:47:22,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:47:22,974 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 92 [2024-11-10 17:47:22,975 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 85 transitions, 288 flow. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:47:22,975 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:47:22,975 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 92 [2024-11-10 17:47:22,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:47:23,131 INFO L124 PetriNetUnfolderBase]: 954/2347 cut-off events. [2024-11-10 17:47:23,132 INFO L125 PetriNetUnfolderBase]: For 1331/1492 co-relation queries the response was YES. [2024-11-10 17:47:23,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5255 conditions, 2347 events. 954/2347 cut-off events. For 1331/1492 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 17396 event pairs, 351 based on Foata normal form. 118/2373 useless extension candidates. Maximal degree in co-relation 5246. Up to 767 conditions per place. [2024-11-10 17:47:23,142 INFO L140 encePairwiseOnDemand]: 88/92 looper letters, 62 selfloop transitions, 3 changer transitions 0/112 dead transitions. [2024-11-10 17:47:23,142 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 112 transitions, 527 flow [2024-11-10 17:47:23,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:47:23,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 17:47:23,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 197 transitions. [2024-11-10 17:47:23,143 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7137681159420289 [2024-11-10 17:47:23,143 INFO L175 Difference]: Start difference. First operand has 77 places, 85 transitions, 288 flow. Second operand 3 states and 197 transitions. [2024-11-10 17:47:23,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 112 transitions, 527 flow [2024-11-10 17:47:23,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 112 transitions, 505 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 17:47:23,148 INFO L231 Difference]: Finished difference. Result has 79 places, 86 transitions, 298 flow [2024-11-10 17:47:23,148 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=298, PETRI_PLACES=79, PETRI_TRANSITIONS=86} [2024-11-10 17:47:23,148 INFO L277 CegarLoopForPetriNet]: 70 programPoint places, 9 predicate places. [2024-11-10 17:47:23,148 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 86 transitions, 298 flow [2024-11-10 17:47:23,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:47:23,149 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:47:23,149 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:47:23,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 17:47:23,149 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [thr2Err0ASSERT_VIOLATIONMEMORY_LEAK, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-10 17:47:23,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:47:23,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1373017403, now seen corresponding path program 1 times [2024-11-10 17:47:23,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:47:23,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922328710] [2024-11-10 17:47:23,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:47:23,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:47:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:47:23,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:47:23,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:47:23,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922328710] [2024-11-10 17:47:23,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922328710] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:47:23,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:47:23,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 17:47:23,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236285021] [2024-11-10 17:47:23,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:47:23,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:47:23,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:47:23,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:47:23,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:47:23,192 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 92 [2024-11-10 17:47:23,192 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 86 transitions, 298 flow. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:47:23,192 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:47:23,192 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 92 [2024-11-10 17:47:23,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:47:23,299 INFO L124 PetriNetUnfolderBase]: 733/1752 cut-off events. [2024-11-10 17:47:23,299 INFO L125 PetriNetUnfolderBase]: For 833/935 co-relation queries the response was YES. [2024-11-10 17:47:23,302 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3949 conditions, 1752 events. 733/1752 cut-off events. For 833/935 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 11919 event pairs, 284 based on Foata normal form. 36/1686 useless extension candidates. Maximal degree in co-relation 3939. Up to 746 conditions per place. [2024-11-10 17:47:23,308 INFO L140 encePairwiseOnDemand]: 87/92 looper letters, 50 selfloop transitions, 4 changer transitions 0/103 dead transitions. [2024-11-10 17:47:23,308 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 103 transitions, 477 flow [2024-11-10 17:47:23,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:47:23,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 17:47:23,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 190 transitions. [2024-11-10 17:47:23,309 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6884057971014492 [2024-11-10 17:47:23,309 INFO L175 Difference]: Start difference. First operand has 79 places, 86 transitions, 298 flow. Second operand 3 states and 190 transitions. [2024-11-10 17:47:23,309 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 103 transitions, 477 flow [2024-11-10 17:47:23,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 103 transitions, 453 flow, removed 7 selfloop flow, removed 2 redundant places. [2024-11-10 17:47:23,313 INFO L231 Difference]: Finished difference. Result has 80 places, 87 transitions, 300 flow [2024-11-10 17:47:23,313 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=300, PETRI_PLACES=80, PETRI_TRANSITIONS=87} [2024-11-10 17:47:23,315 INFO L277 CegarLoopForPetriNet]: 70 programPoint places, 10 predicate places. [2024-11-10 17:47:23,315 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 87 transitions, 300 flow [2024-11-10 17:47:23,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:47:23,315 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:47:23,315 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:47:23,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 17:47:23,315 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [thr2Err0ASSERT_VIOLATIONMEMORY_LEAK, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-10 17:47:23,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:47:23,317 INFO L85 PathProgramCache]: Analyzing trace with hash 839878215, now seen corresponding path program 1 times [2024-11-10 17:47:23,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:47:23,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706834517] [2024-11-10 17:47:23,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:47:23,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:47:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:47:23,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:47:23,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:47:23,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706834517] [2024-11-10 17:47:23,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706834517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:47:23,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:47:23,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 17:47:23,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300446979] [2024-11-10 17:47:23,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:47:23,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:47:23,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:47:23,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:47:23,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:47:23,359 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 92 [2024-11-10 17:47:23,360 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 87 transitions, 300 flow. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:47:23,360 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:47:23,360 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 92 [2024-11-10 17:47:23,360 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:47:23,464 INFO L124 PetriNetUnfolderBase]: 654/1581 cut-off events. [2024-11-10 17:47:23,464 INFO L125 PetriNetUnfolderBase]: For 737/813 co-relation queries the response was YES. [2024-11-10 17:47:23,467 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3715 conditions, 1581 events. 654/1581 cut-off events. For 737/813 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 10374 event pairs, 228 based on Foata normal form. 32/1553 useless extension candidates. Maximal degree in co-relation 3704. Up to 589 conditions per place. [2024-11-10 17:47:23,470 INFO L140 encePairwiseOnDemand]: 87/92 looper letters, 48 selfloop transitions, 4 changer transitions 0/97 dead transitions. [2024-11-10 17:47:23,470 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 97 transitions, 451 flow [2024-11-10 17:47:23,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:47:23,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 17:47:23,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 189 transitions. [2024-11-10 17:47:23,471 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6847826086956522 [2024-11-10 17:47:23,471 INFO L175 Difference]: Start difference. First operand has 80 places, 87 transitions, 300 flow. Second operand 3 states and 189 transitions. [2024-11-10 17:47:23,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 97 transitions, 451 flow [2024-11-10 17:47:23,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 97 transitions, 433 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-11-10 17:47:23,475 INFO L231 Difference]: Finished difference. Result has 75 places, 80 transitions, 276 flow [2024-11-10 17:47:23,475 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=258, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=276, PETRI_PLACES=75, PETRI_TRANSITIONS=80} [2024-11-10 17:47:23,475 INFO L277 CegarLoopForPetriNet]: 70 programPoint places, 5 predicate places. [2024-11-10 17:47:23,475 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 80 transitions, 276 flow [2024-11-10 17:47:23,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:47:23,476 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:47:23,476 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:47:23,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 17:47:23,476 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [thr2Err0ASSERT_VIOLATIONMEMORY_LEAK, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-10 17:47:23,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:47:23,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1719366114, now seen corresponding path program 1 times [2024-11-10 17:47:23,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:47:23,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526465955] [2024-11-10 17:47:23,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:47:23,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:47:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:47:23,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:47:23,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:47:23,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526465955] [2024-11-10 17:47:23,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526465955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:47:23,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:47:23,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 17:47:23,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971564980] [2024-11-10 17:47:23,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:47:23,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:47:23,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:47:23,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:47:23,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:47:23,503 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 92 [2024-11-10 17:47:23,503 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 80 transitions, 276 flow. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:47:23,503 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:47:23,503 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 92 [2024-11-10 17:47:23,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:47:23,580 INFO L124 PetriNetUnfolderBase]: 649/1601 cut-off events. [2024-11-10 17:47:23,581 INFO L125 PetriNetUnfolderBase]: For 912/964 co-relation queries the response was YES. [2024-11-10 17:47:23,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3831 conditions, 1601 events. 649/1601 cut-off events. For 912/964 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 10686 event pairs, 440 based on Foata normal form. 4/1518 useless extension candidates. Maximal degree in co-relation 3820. Up to 1009 conditions per place. [2024-11-10 17:47:23,586 INFO L140 encePairwiseOnDemand]: 90/92 looper letters, 0 selfloop transitions, 0 changer transitions 79/79 dead transitions. [2024-11-10 17:47:23,586 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 79 transitions, 342 flow [2024-11-10 17:47:23,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:47:23,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 17:47:23,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 175 transitions. [2024-11-10 17:47:23,587 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6340579710144928 [2024-11-10 17:47:23,587 INFO L175 Difference]: Start difference. First operand has 75 places, 80 transitions, 276 flow. Second operand 3 states and 175 transitions. [2024-11-10 17:47:23,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 79 transitions, 342 flow [2024-11-10 17:47:23,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 79 transitions, 335 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 17:47:23,590 INFO L231 Difference]: Finished difference. Result has 74 places, 0 transitions, 0 flow [2024-11-10 17:47:23,590 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=267, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=74, PETRI_TRANSITIONS=0} [2024-11-10 17:47:23,590 INFO L277 CegarLoopForPetriNet]: 70 programPoint places, 4 predicate places. [2024-11-10 17:47:23,591 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 0 transitions, 0 flow [2024-11-10 17:47:23,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:47:23,593 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2024-11-10 17:47:23,593 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining) [2024-11-10 17:47:23,593 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining) [2024-11-10 17:47:23,593 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-10 17:47:23,594 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-11-10 17:47:23,594 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-10 17:47:23,594 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-10 17:47:23,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 17:47:23,594 INFO L407 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1] [2024-11-10 17:47:23,598 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 17:47:23,598 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 17:47:23,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 05:47:23 BasicIcfg [2024-11-10 17:47:23,602 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 17:47:23,603 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 17:47:23,603 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 17:47:23,603 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 17:47:23,603 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:47:21" (3/4) ... [2024-11-10 17:47:23,604 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 17:47:23,607 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thr2 [2024-11-10 17:47:23,607 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thr1 [2024-11-10 17:47:23,610 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2024-11-10 17:47:23,610 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-10 17:47:23,610 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-10 17:47:23,610 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-10 17:47:23,676 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 17:47:23,677 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 17:47:23,677 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 17:47:23,677 INFO L158 Benchmark]: Toolchain (without parser) took 3341.38ms. Allocated memory was 174.1MB in the beginning and 245.4MB in the end (delta: 71.3MB). Free memory was 101.9MB in the beginning and 123.7MB in the end (delta: -21.8MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2024-11-10 17:47:23,678 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 174.1MB. Free memory was 129.9MB in the beginning and 129.7MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 17:47:23,678 INFO L158 Benchmark]: CACSL2BoogieTranslator took 438.43ms. Allocated memory is still 174.1MB. Free memory was 101.8MB in the beginning and 136.6MB in the end (delta: -34.8MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2024-11-10 17:47:23,678 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.51ms. Allocated memory is still 174.1MB. Free memory was 136.6MB in the beginning and 134.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 17:47:23,678 INFO L158 Benchmark]: Boogie Preprocessor took 27.17ms. Allocated memory is still 174.1MB. Free memory was 134.5MB in the beginning and 132.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 17:47:23,679 INFO L158 Benchmark]: IcfgBuilder took 351.03ms. Allocated memory is still 174.1MB. Free memory was 132.4MB in the beginning and 112.9MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-10 17:47:23,679 INFO L158 Benchmark]: TraceAbstraction took 2417.54ms. Allocated memory was 174.1MB in the beginning and 245.4MB in the end (delta: 71.3MB). Free memory was 112.2MB in the beginning and 127.9MB in the end (delta: -15.7MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2024-11-10 17:47:23,679 INFO L158 Benchmark]: Witness Printer took 74.18ms. Allocated memory is still 245.4MB. Free memory was 127.9MB in the beginning and 123.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 17:47:23,680 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 174.1MB. Free memory was 129.9MB in the beginning and 129.7MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 438.43ms. Allocated memory is still 174.1MB. Free memory was 101.8MB in the beginning and 136.6MB in the end (delta: -34.8MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.51ms. Allocated memory is still 174.1MB. Free memory was 136.6MB in the beginning and 134.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.17ms. Allocated memory is still 174.1MB. Free memory was 134.5MB in the beginning and 132.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 351.03ms. Allocated memory is still 174.1MB. Free memory was 132.4MB in the beginning and 112.9MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2417.54ms. Allocated memory was 174.1MB in the beginning and 245.4MB in the end (delta: 71.3MB). Free memory was 112.2MB in the beginning and 127.9MB in the end (delta: -15.7MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * Witness Printer took 74.18ms. Allocated memory is still 245.4MB. Free memory was 127.9MB in the beginning and 123.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 12]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 786]: 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 5 procedures, 125 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.3s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 226 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 155 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 606 IncrementalHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 33 mSDtfsCounter, 606 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=300occurred in iteration=8, InterpolantAutomatonStates: 29, 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, 0.4s InterpolantComputationTime, 247 NumberOfCodeBlocks, 247 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 237 ConstructedInterpolants, 0 QuantifiedInterpolants, 401 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 17:47:23,711 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE