./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/safe035_power.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-wmm/safe035_power.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6415bffc70cf05f8f6460106962f2f9c59b321fd2fc94a45894cc3c1f3d85b66 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:03:06,519 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:03:06,619 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-10 18:03:06,626 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:03:06,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:03:06,648 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:03:06,651 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:03:06,651 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:03:06,651 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:03:06,652 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:03:06,652 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:03:06,652 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:03:06,653 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:03:06,653 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:03:06,654 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:03:06,654 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:03:06,658 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:03:06,659 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:03:06,659 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:03:06,659 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:03:06,659 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-10 18:03:06,663 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-10 18:03:06,663 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-10 18:03:06,664 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:03:06,664 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 18:03:06,664 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:03:06,664 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:03:06,665 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:03:06,665 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:03:06,665 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:03:06,666 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:03:06,666 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:03:06,666 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:03:06,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:03:06,667 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:03:06,667 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:03:06,668 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:03:06,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:03:06,669 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:03:06,669 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:03:06,669 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:03:06,670 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:03:06,670 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6415bffc70cf05f8f6460106962f2f9c59b321fd2fc94a45894cc3c1f3d85b66 [2024-11-10 18:03:06,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:03:06,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:03:06,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:03:06,931 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:03:06,931 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:03:06,932 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe035_power.i [2024-11-10 18:03:08,436 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:03:08,710 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:03:08,710 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe035_power.i [2024-11-10 18:03:08,731 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca79b4f6b/d8c3c00d67f14743899bd6fb1a92901a/FLAG0e3aff7b7 [2024-11-10 18:03:08,747 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca79b4f6b/d8c3c00d67f14743899bd6fb1a92901a [2024-11-10 18:03:08,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:03:08,753 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:03:08,754 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:03:08,754 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:03:08,759 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:03:08,760 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:03:08" (1/1) ... [2024-11-10 18:03:08,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14412311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:08, skipping insertion in model container [2024-11-10 18:03:08,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:03:08" (1/1) ... [2024-11-10 18:03:08,819 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:03:09,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:03:09,299 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:03:09,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:03:09,443 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:03:09,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:09 WrapperNode [2024-11-10 18:03:09,444 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:03:09,446 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:03:09,446 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:03:09,447 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:03:09,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:09" (1/1) ... [2024-11-10 18:03:09,476 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:09" (1/1) ... [2024-11-10 18:03:09,556 INFO L138 Inliner]: procedures = 175, calls = 49, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 169 [2024-11-10 18:03:09,557 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:03:09,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:03:09,558 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:03:09,558 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:03:09,571 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:09" (1/1) ... [2024-11-10 18:03:09,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:09" (1/1) ... [2024-11-10 18:03:09,577 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:09" (1/1) ... [2024-11-10 18:03:09,640 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 18:03:09,641 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:09" (1/1) ... [2024-11-10 18:03:09,641 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:09" (1/1) ... [2024-11-10 18:03:09,658 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:09" (1/1) ... [2024-11-10 18:03:09,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:09" (1/1) ... [2024-11-10 18:03:09,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:09" (1/1) ... [2024-11-10 18:03:09,672 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:09" (1/1) ... [2024-11-10 18:03:09,681 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:03:09,682 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:03:09,682 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:03:09,682 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:03:09,683 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:09" (1/1) ... [2024-11-10 18:03:09,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:03:09,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:03:09,720 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 18:03:09,727 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 18:03:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 18:03:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:03:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-10 18:03:09,779 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-10 18:03:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-10 18:03:09,780 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-10 18:03:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-10 18:03:09,780 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-10 18:03:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:03:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 18:03:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:03:09,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:03:09,782 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 18:03:09,937 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:03:09,940 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:03:10,364 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 18:03:10,365 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:03:10,700 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:03:10,700 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:03:10,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:03:10 BoogieIcfgContainer [2024-11-10 18:03:10,701 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:03:10,704 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:03:10,704 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:03:10,708 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:03:10,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:03:08" (1/3) ... [2024-11-10 18:03:10,709 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f35535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:03:10, skipping insertion in model container [2024-11-10 18:03:10,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:09" (2/3) ... [2024-11-10 18:03:10,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f35535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:03:10, skipping insertion in model container [2024-11-10 18:03:10,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:03:10" (3/3) ... [2024-11-10 18:03:10,712 INFO L112 eAbstractionObserver]: Analyzing ICFG safe035_power.i [2024-11-10 18:03:10,756 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:03:10,756 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-10 18:03:10,757 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 18:03:10,867 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 18:03:10,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 55 places, 47 transitions, 106 flow [2024-11-10 18:03:10,934 INFO L124 PetriNetUnfolderBase]: 2/44 cut-off events. [2024-11-10 18:03:10,934 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 18:03:10,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54 conditions, 44 events. 2/44 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 87 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2024-11-10 18:03:10,939 INFO L82 GeneralOperation]: Start removeDead. Operand has 55 places, 47 transitions, 106 flow [2024-11-10 18:03:10,942 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 52 places, 44 transitions, 97 flow [2024-11-10 18:03:10,950 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:03:10,957 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;@52770a2c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:03:10,957 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-10 18:03:10,967 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 18:03:10,967 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2024-11-10 18:03:10,968 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 18:03:10,968 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:03:10,968 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:03:10,969 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-10 18:03:10,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:03:10,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1705903940, now seen corresponding path program 1 times [2024-11-10 18:03:10,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:03:10,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262123155] [2024-11-10 18:03:10,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:03:10,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:03:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:03:11,459 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 18:03:11,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:03:11,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262123155] [2024-11-10 18:03:11,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262123155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:03:11,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:03:11,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 18:03:11,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851166543] [2024-11-10 18:03:11,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:03:11,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:03:11,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:03:11,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:03:11,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:03:11,503 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 47 [2024-11-10 18:03:11,506 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 44 transitions, 97 flow. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 18:03:11,506 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:03:11,507 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 47 [2024-11-10 18:03:11,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:03:13,493 INFO L124 PetriNetUnfolderBase]: 8658/12408 cut-off events. [2024-11-10 18:03:13,495 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-10 18:03:13,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24728 conditions, 12408 events. 8658/12408 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 69579 event pairs, 972 based on Foata normal form. 686/13089 useless extension candidates. Maximal degree in co-relation 24717. Up to 10627 conditions per place. [2024-11-10 18:03:13,652 INFO L140 encePairwiseOnDemand]: 42/47 looper letters, 50 selfloop transitions, 2 changer transitions 2/61 dead transitions. [2024-11-10 18:03:13,652 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 61 transitions, 239 flow [2024-11-10 18:03:13,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:03:13,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 18:03:13,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 89 transitions. [2024-11-10 18:03:13,665 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6312056737588653 [2024-11-10 18:03:13,666 INFO L175 Difference]: Start difference. First operand has 52 places, 44 transitions, 97 flow. Second operand 3 states and 89 transitions. [2024-11-10 18:03:13,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 61 transitions, 239 flow [2024-11-10 18:03:13,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 61 transitions, 236 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-10 18:03:13,677 INFO L231 Difference]: Finished difference. Result has 49 places, 39 transitions, 88 flow [2024-11-10 18:03:13,680 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=49, PETRI_TRANSITIONS=39} [2024-11-10 18:03:13,685 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, -3 predicate places. [2024-11-10 18:03:13,686 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 39 transitions, 88 flow [2024-11-10 18:03:13,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 18:03:13,686 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:03:13,686 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:03:13,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:03:13,688 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-10 18:03:13,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:03:13,690 INFO L85 PathProgramCache]: Analyzing trace with hash 2007628759, now seen corresponding path program 1 times [2024-11-10 18:03:13,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:03:13,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672865177] [2024-11-10 18:03:13,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:03:13,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:03:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:03:13,806 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 18:03:13,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:03:13,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672865177] [2024-11-10 18:03:13,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672865177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:03:13,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:03:13,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 18:03:13,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568691609] [2024-11-10 18:03:13,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:03:13,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:03:13,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:03:13,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:03:13,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:03:13,812 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 47 [2024-11-10 18:03:13,813 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 39 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 18:03:13,813 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:03:13,814 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 47 [2024-11-10 18:03:13,814 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:03:15,383 INFO L124 PetriNetUnfolderBase]: 7776/11967 cut-off events. [2024-11-10 18:03:15,383 INFO L125 PetriNetUnfolderBase]: For 441/441 co-relation queries the response was YES. [2024-11-10 18:03:15,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23502 conditions, 11967 events. 7776/11967 cut-off events. For 441/441 co-relation queries the response was YES. Maximal size of possible extension queue 422. Compared 73764 event pairs, 7776 based on Foata normal form. 343/12256 useless extension candidates. Maximal degree in co-relation 23492. Up to 10976 conditions per place. [2024-11-10 18:03:15,452 INFO L140 encePairwiseOnDemand]: 45/47 looper letters, 30 selfloop transitions, 1 changer transitions 1/38 dead transitions. [2024-11-10 18:03:15,453 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 38 transitions, 150 flow [2024-11-10 18:03:15,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:03:15,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 18:03:15,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 60 transitions. [2024-11-10 18:03:15,455 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.425531914893617 [2024-11-10 18:03:15,455 INFO L175 Difference]: Start difference. First operand has 49 places, 39 transitions, 88 flow. Second operand 3 states and 60 transitions. [2024-11-10 18:03:15,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 38 transitions, 150 flow [2024-11-10 18:03:15,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 38 transitions, 146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 18:03:15,460 INFO L231 Difference]: Finished difference. Result has 47 places, 37 transitions, 82 flow [2024-11-10 18:03:15,461 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=47, PETRI_TRANSITIONS=37} [2024-11-10 18:03:15,461 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, -5 predicate places. [2024-11-10 18:03:15,462 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 37 transitions, 82 flow [2024-11-10 18:03:15,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 18:03:15,462 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:03:15,462 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:03:15,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:03:15,462 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-10 18:03:15,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:03:15,464 INFO L85 PathProgramCache]: Analyzing trace with hash 2007629075, now seen corresponding path program 1 times [2024-11-10 18:03:15,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:03:15,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171122479] [2024-11-10 18:03:15,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:03:15,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:03:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:03:15,743 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 18:03:15,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:03:15,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171122479] [2024-11-10 18:03:15,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171122479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:03:15,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:03:15,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:03:15,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766206621] [2024-11-10 18:03:15,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:03:15,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:03:15,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:03:15,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:03:15,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:03:15,747 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 47 [2024-11-10 18:03:15,747 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 82 flow. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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 18:03:15,747 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:03:15,747 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 47 [2024-11-10 18:03:15,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:03:17,158 INFO L124 PetriNetUnfolderBase]: 5308/8423 cut-off events. [2024-11-10 18:03:17,158 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 18:03:17,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16299 conditions, 8423 events. 5308/8423 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 51270 event pairs, 994 based on Foata normal form. 343/8761 useless extension candidates. Maximal degree in co-relation 16293. Up to 4351 conditions per place. [2024-11-10 18:03:17,190 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 64 selfloop transitions, 5 changer transitions 1/76 dead transitions. [2024-11-10 18:03:17,191 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 76 transitions, 304 flow [2024-11-10 18:03:17,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:03:17,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 18:03:17,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 112 transitions. [2024-11-10 18:03:17,193 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5957446808510638 [2024-11-10 18:03:17,193 INFO L175 Difference]: Start difference. First operand has 47 places, 37 transitions, 82 flow. Second operand 4 states and 112 transitions. [2024-11-10 18:03:17,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 76 transitions, 304 flow [2024-11-10 18:03:17,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 76 transitions, 303 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 18:03:17,195 INFO L231 Difference]: Finished difference. Result has 50 places, 40 transitions, 115 flow [2024-11-10 18:03:17,195 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=115, PETRI_PLACES=50, PETRI_TRANSITIONS=40} [2024-11-10 18:03:17,196 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, -2 predicate places. [2024-11-10 18:03:17,196 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 40 transitions, 115 flow [2024-11-10 18:03:17,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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 18:03:17,197 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:03:17,197 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:03:17,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 18:03:17,197 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-10 18:03:17,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:03:17,198 INFO L85 PathProgramCache]: Analyzing trace with hash 559050750, now seen corresponding path program 1 times [2024-11-10 18:03:17,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:03:17,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637135733] [2024-11-10 18:03:17,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:03:17,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:03:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:03:17,434 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 18:03:17,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:03:17,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637135733] [2024-11-10 18:03:17,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637135733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:03:17,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:03:17,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:03:17,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164897547] [2024-11-10 18:03:17,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:03:17,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:03:17,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:03:17,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:03:17,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:03:17,437 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 47 [2024-11-10 18:03:17,438 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 40 transitions, 115 flow. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:03:17,438 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:03:17,438 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 47 [2024-11-10 18:03:17,438 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:03:18,136 INFO L124 PetriNetUnfolderBase]: 2833/4473 cut-off events. [2024-11-10 18:03:18,137 INFO L125 PetriNetUnfolderBase]: For 797/797 co-relation queries the response was YES. [2024-11-10 18:03:18,144 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10064 conditions, 4473 events. 2833/4473 cut-off events. For 797/797 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 23201 event pairs, 651 based on Foata normal form. 218/4686 useless extension candidates. Maximal degree in co-relation 10055. Up to 1515 conditions per place. [2024-11-10 18:03:18,155 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 82 selfloop transitions, 8 changer transitions 1/97 dead transitions. [2024-11-10 18:03:18,156 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 97 transitions, 432 flow [2024-11-10 18:03:18,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:03:18,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 18:03:18,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 143 transitions. [2024-11-10 18:03:18,158 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6085106382978723 [2024-11-10 18:03:18,158 INFO L175 Difference]: Start difference. First operand has 50 places, 40 transitions, 115 flow. Second operand 5 states and 143 transitions. [2024-11-10 18:03:18,158 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 97 transitions, 432 flow [2024-11-10 18:03:18,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 97 transitions, 422 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-10 18:03:18,163 INFO L231 Difference]: Finished difference. Result has 54 places, 43 transitions, 155 flow [2024-11-10 18:03:18,163 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=155, PETRI_PLACES=54, PETRI_TRANSITIONS=43} [2024-11-10 18:03:18,164 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 2 predicate places. [2024-11-10 18:03:18,164 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 43 transitions, 155 flow [2024-11-10 18:03:18,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:03:18,164 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:03:18,165 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 18:03:18,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 18:03:18,165 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-10 18:03:18,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:03:18,166 INFO L85 PathProgramCache]: Analyzing trace with hash -2111593687, now seen corresponding path program 1 times [2024-11-10 18:03:18,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:03:18,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660576745] [2024-11-10 18:03:18,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:03:18,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:03:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:03:18,726 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 18:03:18,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:03:18,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660576745] [2024-11-10 18:03:18,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660576745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:03:18,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:03:18,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 18:03:18,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528331026] [2024-11-10 18:03:18,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:03:18,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:03:18,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:03:18,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:03:18,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:03:18,729 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 47 [2024-11-10 18:03:18,730 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 43 transitions, 155 flow. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:03:18,730 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:03:18,730 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 47 [2024-11-10 18:03:18,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:03:19,175 INFO L124 PetriNetUnfolderBase]: 1798/2748 cut-off events. [2024-11-10 18:03:19,175 INFO L125 PetriNetUnfolderBase]: For 1492/1492 co-relation queries the response was YES. [2024-11-10 18:03:19,181 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6716 conditions, 2748 events. 1798/2748 cut-off events. For 1492/1492 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 12636 event pairs, 594 based on Foata normal form. 68/2811 useless extension candidates. Maximal degree in co-relation 6705. Up to 1050 conditions per place. [2024-11-10 18:03:19,189 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 68 selfloop transitions, 11 changer transitions 1/86 dead transitions. [2024-11-10 18:03:19,190 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 86 transitions, 411 flow [2024-11-10 18:03:19,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:03:19,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 18:03:19,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 142 transitions. [2024-11-10 18:03:19,191 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5035460992907801 [2024-11-10 18:03:19,192 INFO L175 Difference]: Start difference. First operand has 54 places, 43 transitions, 155 flow. Second operand 6 states and 142 transitions. [2024-11-10 18:03:19,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 86 transitions, 411 flow [2024-11-10 18:03:19,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 86 transitions, 386 flow, removed 4 selfloop flow, removed 4 redundant places. [2024-11-10 18:03:19,205 INFO L231 Difference]: Finished difference. Result has 57 places, 43 transitions, 169 flow [2024-11-10 18:03:19,206 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=169, PETRI_PLACES=57, PETRI_TRANSITIONS=43} [2024-11-10 18:03:19,206 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 5 predicate places. [2024-11-10 18:03:19,207 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 43 transitions, 169 flow [2024-11-10 18:03:19,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:03:19,207 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:03:19,207 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:03:19,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 18:03:19,208 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-10 18:03:19,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:03:19,208 INFO L85 PathProgramCache]: Analyzing trace with hash 466219591, now seen corresponding path program 1 times [2024-11-10 18:03:19,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:03:19,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211964339] [2024-11-10 18:03:19,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:03:19,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:03:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:03:19,976 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 18:03:19,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:03:19,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211964339] [2024-11-10 18:03:19,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211964339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:03:19,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:03:19,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 18:03:19,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921671585] [2024-11-10 18:03:19,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:03:19,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:03:19,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:03:19,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:03:19,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:03:19,985 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 47 [2024-11-10 18:03:19,986 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 43 transitions, 169 flow. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 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 18:03:19,986 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:03:19,986 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 47 [2024-11-10 18:03:19,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:03:20,576 INFO L124 PetriNetUnfolderBase]: 2462/3772 cut-off events. [2024-11-10 18:03:20,576 INFO L125 PetriNetUnfolderBase]: For 2424/2424 co-relation queries the response was YES. [2024-11-10 18:03:20,583 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9417 conditions, 3772 events. 2462/3772 cut-off events. For 2424/2424 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 18594 event pairs, 220 based on Foata normal form. 8/3776 useless extension candidates. Maximal degree in co-relation 9405. Up to 2154 conditions per place. [2024-11-10 18:03:20,591 INFO L140 encePairwiseOnDemand]: 42/47 looper letters, 50 selfloop transitions, 1 changer transitions 37/94 dead transitions. [2024-11-10 18:03:20,591 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 94 transitions, 547 flow [2024-11-10 18:03:20,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:03:20,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 18:03:20,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 135 transitions. [2024-11-10 18:03:20,593 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4787234042553192 [2024-11-10 18:03:20,593 INFO L175 Difference]: Start difference. First operand has 57 places, 43 transitions, 169 flow. Second operand 6 states and 135 transitions. [2024-11-10 18:03:20,593 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 94 transitions, 547 flow [2024-11-10 18:03:20,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 94 transitions, 422 flow, removed 20 selfloop flow, removed 8 redundant places. [2024-11-10 18:03:20,608 INFO L231 Difference]: Finished difference. Result has 58 places, 43 transitions, 124 flow [2024-11-10 18:03:20,608 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=113, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=124, PETRI_PLACES=58, PETRI_TRANSITIONS=43} [2024-11-10 18:03:20,609 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 6 predicate places. [2024-11-10 18:03:20,609 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 43 transitions, 124 flow [2024-11-10 18:03:20,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 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 18:03:20,609 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:03:20,609 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:03:20,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 18:03:20,610 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-10 18:03:20,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:03:20,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1702726459, now seen corresponding path program 2 times [2024-11-10 18:03:20,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:03:20,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011724864] [2024-11-10 18:03:20,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:03:20,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:03:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:03:26,220 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 18:03:26,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:03:26,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011724864] [2024-11-10 18:03:26,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011724864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:03:26,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:03:26,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 18:03:26,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168417259] [2024-11-10 18:03:26,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:03:26,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 18:03:26,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:03:26,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 18:03:26,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:03:26,235 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 47 [2024-11-10 18:03:26,236 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 43 transitions, 124 flow. Second operand has 12 states, 12 states have (on average 12.333333333333334) internal successors, (148), 12 states have internal predecessors, (148), 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 18:03:26,236 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:03:26,236 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 47 [2024-11-10 18:03:26,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:03:27,765 INFO L124 PetriNetUnfolderBase]: 2904/4571 cut-off events. [2024-11-10 18:03:27,765 INFO L125 PetriNetUnfolderBase]: For 814/814 co-relation queries the response was YES. [2024-11-10 18:03:27,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10185 conditions, 4571 events. 2904/4571 cut-off events. For 814/814 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 23902 event pairs, 282 based on Foata normal form. 16/4586 useless extension candidates. Maximal degree in co-relation 10174. Up to 1288 conditions per place. [2024-11-10 18:03:27,783 INFO L140 encePairwiseOnDemand]: 38/47 looper letters, 39 selfloop transitions, 5 changer transitions 144/194 dead transitions. [2024-11-10 18:03:27,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 194 transitions, 918 flow [2024-11-10 18:03:27,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 18:03:27,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-10 18:03:27,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 326 transitions. [2024-11-10 18:03:27,785 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.43351063829787234 [2024-11-10 18:03:27,786 INFO L175 Difference]: Start difference. First operand has 58 places, 43 transitions, 124 flow. Second operand 16 states and 326 transitions. [2024-11-10 18:03:27,786 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 194 transitions, 918 flow [2024-11-10 18:03:27,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 194 transitions, 897 flow, removed 7 selfloop flow, removed 4 redundant places. [2024-11-10 18:03:27,793 INFO L231 Difference]: Finished difference. Result has 75 places, 43 transitions, 151 flow [2024-11-10 18:03:27,793 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=117, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=151, PETRI_PLACES=75, PETRI_TRANSITIONS=43} [2024-11-10 18:03:27,795 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 23 predicate places. [2024-11-10 18:03:27,795 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 43 transitions, 151 flow [2024-11-10 18:03:27,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.333333333333334) internal successors, (148), 12 states have internal predecessors, (148), 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 18:03:27,796 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:03:27,796 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:03:27,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 18:03:27,796 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-10 18:03:27,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:03:27,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1318394135, now seen corresponding path program 3 times [2024-11-10 18:03:27,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:03:27,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778831495] [2024-11-10 18:03:27,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:03:27,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:03:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:03:34,682 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 18:03:34,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:03:34,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778831495] [2024-11-10 18:03:34,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778831495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:03:34,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:03:34,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 18:03:34,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516365514] [2024-11-10 18:03:34,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:03:34,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 18:03:34,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:03:34,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 18:03:34,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-10 18:03:34,695 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 47 [2024-11-10 18:03:34,696 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 43 transitions, 151 flow. Second operand has 14 states, 14 states have (on average 12.0) internal successors, (168), 14 states have internal predecessors, (168), 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 18:03:34,696 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:03:34,696 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 47 [2024-11-10 18:03:34,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:03:35,356 INFO L124 PetriNetUnfolderBase]: 938/1505 cut-off events. [2024-11-10 18:03:35,356 INFO L125 PetriNetUnfolderBase]: For 732/732 co-relation queries the response was YES. [2024-11-10 18:03:35,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3770 conditions, 1505 events. 938/1505 cut-off events. For 732/732 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 6258 event pairs, 82 based on Foata normal form. 8/1512 useless extension candidates. Maximal degree in co-relation 3757. Up to 620 conditions per place. [2024-11-10 18:03:35,362 INFO L140 encePairwiseOnDemand]: 39/47 looper letters, 0 selfloop transitions, 0 changer transitions 85/85 dead transitions. [2024-11-10 18:03:35,363 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 85 transitions, 439 flow [2024-11-10 18:03:35,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 18:03:35,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-10 18:03:35,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 161 transitions. [2024-11-10 18:03:35,364 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3806146572104019 [2024-11-10 18:03:35,365 INFO L175 Difference]: Start difference. First operand has 75 places, 43 transitions, 151 flow. Second operand 9 states and 161 transitions. [2024-11-10 18:03:35,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 85 transitions, 439 flow [2024-11-10 18:03:35,367 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 85 transitions, 412 flow, removed 10 selfloop flow, removed 9 redundant places. [2024-11-10 18:03:35,368 INFO L231 Difference]: Finished difference. Result has 62 places, 0 transitions, 0 flow [2024-11-10 18:03:35,368 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=0, PETRI_PLACES=62, PETRI_TRANSITIONS=0} [2024-11-10 18:03:35,369 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 10 predicate places. [2024-11-10 18:03:35,369 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 0 transitions, 0 flow [2024-11-10 18:03:35,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.0) internal successors, (168), 14 states have internal predecessors, (168), 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 18:03:35,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2024-11-10 18:03:35,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining) [2024-11-10 18:03:35,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining) [2024-11-10 18:03:35,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-10 18:03:35,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-11-10 18:03:35,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-11-10 18:03:35,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-10 18:03:35,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 18:03:35,375 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1] [2024-11-10 18:03:35,381 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 18:03:35,385 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 18:03:35,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:03:35 BasicIcfg [2024-11-10 18:03:35,395 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 18:03:35,395 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 18:03:35,395 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 18:03:35,396 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 18:03:35,396 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:03:10" (3/4) ... [2024-11-10 18:03:35,398 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 18:03:35,400 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-10 18:03:35,401 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-10 18:03:35,401 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-10 18:03:35,405 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2024-11-10 18:03:35,406 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-10 18:03:35,407 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-10 18:03:35,407 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-10 18:03:35,510 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 18:03:35,510 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 18:03:35,510 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 18:03:35,511 INFO L158 Benchmark]: Toolchain (without parser) took 26758.67ms. Allocated memory was 159.4MB in the beginning and 3.1GB in the end (delta: 3.0GB). Free memory was 98.9MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 517.9MB. Max. memory is 16.1GB. [2024-11-10 18:03:35,511 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 119.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:03:35,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 690.98ms. Allocated memory is still 159.4MB. Free memory was 98.5MB in the beginning and 68.3MB in the end (delta: 30.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-10 18:03:35,512 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.11ms. Allocated memory is still 159.4MB. Free memory was 68.3MB in the beginning and 127.5MB in the end (delta: -59.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-10 18:03:35,512 INFO L158 Benchmark]: Boogie Preprocessor took 123.54ms. Allocated memory was 159.4MB in the beginning and 255.9MB in the end (delta: 96.5MB). Free memory was 127.5MB in the beginning and 221.1MB in the end (delta: -93.6MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2024-11-10 18:03:35,513 INFO L158 Benchmark]: IcfgBuilder took 1018.94ms. Allocated memory is still 255.9MB. Free memory was 221.1MB in the beginning and 127.8MB in the end (delta: 93.3MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. [2024-11-10 18:03:35,517 INFO L158 Benchmark]: TraceAbstraction took 24690.97ms. Allocated memory was 255.9MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 127.8MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 443.4MB. Max. memory is 16.1GB. [2024-11-10 18:03:35,517 INFO L158 Benchmark]: Witness Printer took 115.23ms. Allocated memory is still 3.1GB. Free memory was 2.5GB in the beginning and 2.5GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 18:03:35,519 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 119.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 690.98ms. Allocated memory is still 159.4MB. Free memory was 98.5MB in the beginning and 68.3MB in the end (delta: 30.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.11ms. Allocated memory is still 159.4MB. Free memory was 68.3MB in the beginning and 127.5MB in the end (delta: -59.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 123.54ms. Allocated memory was 159.4MB in the beginning and 255.9MB in the end (delta: 96.5MB). Free memory was 127.5MB in the beginning and 221.1MB in the end (delta: -93.6MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * IcfgBuilder took 1018.94ms. Allocated memory is still 255.9MB. Free memory was 221.1MB in the beginning and 127.8MB in the end (delta: 93.3MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. * TraceAbstraction took 24690.97ms. Allocated memory was 255.9MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 127.8MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 443.4MB. Max. memory is 16.1GB. * Witness Printer took 115.23ms. Allocated memory is still 3.1GB. Free memory was 2.5GB in the beginning and 2.5GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 866]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 74 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 24.5s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 9.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 680 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 673 mSDsluCounter, 106 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 106 mSDsCounter, 176 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1654 IncrementalHoareTripleChecker+Invalid, 1830 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 176 mSolverCounterUnsat, 0 mSDtfsCounter, 1654 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=169occurred in iteration=5, InterpolantAutomatonStates: 52, 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, 1.2s SatisfiabilityAnalysisTime, 13.6s InterpolantComputationTime, 185 NumberOfCodeBlocks, 185 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 177 ConstructedInterpolants, 0 QuantifiedInterpolants, 1124 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 18:03:35,551 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