./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memsafety.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe001_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe001_tso.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d13e05ad1104a4a5317ff09857a34619cbd86966f0892caf9775309ccc15230d --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 17:26:35,415 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 17:26:35,480 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-20 17:26:35,485 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 17:26:35,486 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 17:26:35,513 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 17:26:35,514 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 17:26:35,514 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 17:26:35,515 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 17:26:35,516 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 17:26:35,517 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 17:26:35,517 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 17:26:35,518 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 17:26:35,518 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 17:26:35,519 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 17:26:35,519 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 17:26:35,519 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 17:26:35,520 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 17:26:35,520 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 17:26:35,520 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 17:26:35,520 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-20 17:26:35,521 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-20 17:26:35,521 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-20 17:26:35,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 17:26:35,522 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 17:26:35,522 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 17:26:35,522 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 17:26:35,522 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 17:26:35,523 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 17:26:35,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 17:26:35,523 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 17:26:35,523 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 17:26:35,524 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 17:26:35,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 17:26:35,528 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 17:26:35,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 17:26:35,528 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 17:26:35,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 17:26:35,529 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 17:26:35,529 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 17:26:35,529 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 17:26:35,530 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 17:26:35,530 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d13e05ad1104a4a5317ff09857a34619cbd86966f0892caf9775309ccc15230d [2024-11-20 17:26:35,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 17:26:35,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 17:26:35,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 17:26:35,816 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 17:26:35,816 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 17:26:35,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe001_tso.i [2024-11-20 17:26:37,266 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 17:26:37,546 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 17:26:37,549 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe001_tso.i [2024-11-20 17:26:37,568 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d8b45ea0/f4f76fbeef4d43208eed4cbf6da1b00e/FLAG956263a33 [2024-11-20 17:26:37,837 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d8b45ea0/f4f76fbeef4d43208eed4cbf6da1b00e [2024-11-20 17:26:37,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 17:26:37,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 17:26:37,842 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 17:26:37,842 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 17:26:37,847 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 17:26:37,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:26:37" (1/1) ... [2024-11-20 17:26:37,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@683821f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:37, skipping insertion in model container [2024-11-20 17:26:37,850 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:26:37" (1/1) ... [2024-11-20 17:26:37,895 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 17:26:38,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 17:26:38,336 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 17:26:38,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 17:26:38,437 INFO L204 MainTranslator]: Completed translation [2024-11-20 17:26:38,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:38 WrapperNode [2024-11-20 17:26:38,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 17:26:38,439 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 17:26:38,439 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 17:26:38,439 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 17:26:38,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:38" (1/1) ... [2024-11-20 17:26:38,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:38" (1/1) ... [2024-11-20 17:26:38,484 INFO L138 Inliner]: procedures = 175, calls = 42, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2024-11-20 17:26:38,485 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 17:26:38,486 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 17:26:38,486 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 17:26:38,486 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 17:26:38,496 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:38" (1/1) ... [2024-11-20 17:26:38,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:38" (1/1) ... [2024-11-20 17:26:38,500 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:38" (1/1) ... [2024-11-20 17:26:38,519 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]. [2024-11-20 17:26:38,519 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:38" (1/1) ... [2024-11-20 17:26:38,519 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:38" (1/1) ... [2024-11-20 17:26:38,524 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:38" (1/1) ... [2024-11-20 17:26:38,525 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:38" (1/1) ... [2024-11-20 17:26:38,527 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:38" (1/1) ... [2024-11-20 17:26:38,528 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:38" (1/1) ... [2024-11-20 17:26:38,530 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 17:26:38,530 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 17:26:38,531 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 17:26:38,531 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 17:26:38,536 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:38" (1/1) ... [2024-11-20 17:26:38,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 17:26:38,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:26:38,576 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) [2024-11-20 17:26:38,579 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 [2024-11-20 17:26:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-20 17:26:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 17:26:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-20 17:26:38,630 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-20 17:26:38,630 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-20 17:26:38,630 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-20 17:26:38,630 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-20 17:26:38,630 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-20 17:26:38,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 17:26:38,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-20 17:26:38,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 17:26:38,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 17:26:38,632 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 17:26:38,790 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 17:26:38,793 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 17:26:38,969 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 17:26:38,970 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 17:26:39,071 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 17:26:39,072 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 17:26:39,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:26:39 BoogieIcfgContainer [2024-11-20 17:26:39,072 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 17:26:39,074 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 17:26:39,075 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 17:26:39,078 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 17:26:39,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:26:37" (1/3) ... [2024-11-20 17:26:39,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@617a4c51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:26:39, skipping insertion in model container [2024-11-20 17:26:39,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:38" (2/3) ... [2024-11-20 17:26:39,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@617a4c51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:26:39, skipping insertion in model container [2024-11-20 17:26:39,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:26:39" (3/3) ... [2024-11-20 17:26:39,082 INFO L112 eAbstractionObserver]: Analyzing ICFG safe001_tso.i [2024-11-20 17:26:39,100 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 17:26:39,100 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-20 17:26:39,100 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 17:26:39,155 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-20 17:26:39,185 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 43 transitions, 98 flow [2024-11-20 17:26:39,213 INFO L124 PetriNetUnfolderBase]: 2/40 cut-off events. [2024-11-20 17:26:39,214 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 17:26:39,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 40 events. 2/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 69 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2024-11-20 17:26:39,217 INFO L82 GeneralOperation]: Start removeDead. Operand has 51 places, 43 transitions, 98 flow [2024-11-20 17:26:39,220 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 47 places, 39 transitions, 87 flow [2024-11-20 17:26:39,229 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 17:26:39,237 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;@5fa2665c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 17:26:39,237 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-20 17:26:39,257 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 17:26:39,260 INFO L124 PetriNetUnfolderBase]: 2/37 cut-off events. [2024-11-20 17:26:39,260 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 17:26:39,261 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:26:39,262 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:26:39,262 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-20 17:26:39,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:26:39,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1488160356, now seen corresponding path program 1 times [2024-11-20 17:26:39,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:26:39,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024986167] [2024-11-20 17:26:39,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:26:39,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:26:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:26:39,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:26:39,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:26:39,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024986167] [2024-11-20 17:26:39,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024986167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:26:39,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:26:39,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-20 17:26:39,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482133586] [2024-11-20 17:26:39,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:26:39,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 17:26:39,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:26:39,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 17:26:39,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 17:26:39,646 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 43 [2024-11-20 17:26:39,648 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 39 transitions, 87 flow. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:26:39,648 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:26:39,648 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 43 [2024-11-20 17:26:39,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:26:39,727 INFO L124 PetriNetUnfolderBase]: 75/219 cut-off events. [2024-11-20 17:26:39,728 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 17:26:39,729 INFO L83 FinitePrefix]: Finished finitePrefix Result has 374 conditions, 219 events. 75/219 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1159 event pairs, 75 based on Foata normal form. 24/225 useless extension candidates. Maximal degree in co-relation 363. Up to 136 conditions per place. [2024-11-20 17:26:39,733 INFO L140 encePairwiseOnDemand]: 39/43 looper letters, 12 selfloop transitions, 1 changer transitions 1/35 dead transitions. [2024-11-20 17:26:39,733 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 35 transitions, 107 flow [2024-11-20 17:26:39,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 17:26:39,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 17:26:39,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 89 transitions. [2024-11-20 17:26:39,743 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.689922480620155 [2024-11-20 17:26:39,744 INFO L175 Difference]: Start difference. First operand has 47 places, 39 transitions, 87 flow. Second operand 3 states and 89 transitions. [2024-11-20 17:26:39,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 35 transitions, 107 flow [2024-11-20 17:26:39,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 35 transitions, 104 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-20 17:26:39,748 INFO L231 Difference]: Finished difference. Result has 44 places, 34 transitions, 76 flow [2024-11-20 17:26:39,750 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=44, PETRI_TRANSITIONS=34} [2024-11-20 17:26:39,754 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, -3 predicate places. [2024-11-20 17:26:39,754 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 34 transitions, 76 flow [2024-11-20 17:26:39,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:26:39,755 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:26:39,755 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:26:39,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 17:26:39,756 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-20 17:26:39,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:26:39,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1488158927, now seen corresponding path program 1 times [2024-11-20 17:26:39,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:26:39,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970590892] [2024-11-20 17:26:39,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:26:39,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:26:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:26:40,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:26:40,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:26:40,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970590892] [2024-11-20 17:26:40,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970590892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:26:40,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:26:40,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 17:26:40,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081312509] [2024-11-20 17:26:40,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:26:40,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 17:26:40,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:26:40,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 17:26:40,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 17:26:40,167 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 43 [2024-11-20 17:26:40,168 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 34 transitions, 76 flow. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:26:40,168 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:26:40,168 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 43 [2024-11-20 17:26:40,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:26:40,824 INFO L124 PetriNetUnfolderBase]: 2017/3635 cut-off events. [2024-11-20 17:26:40,825 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 17:26:40,839 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6737 conditions, 3635 events. 2017/3635 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 272. Compared 26164 event pairs, 457 based on Foata normal form. 0/3502 useless extension candidates. Maximal degree in co-relation 6731. Up to 979 conditions per place. [2024-11-20 17:26:40,853 INFO L140 encePairwiseOnDemand]: 32/43 looper letters, 30 selfloop transitions, 7 changer transitions 61/111 dead transitions. [2024-11-20 17:26:40,853 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 111 transitions, 430 flow [2024-11-20 17:26:40,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 17:26:40,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-20 17:26:40,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 253 transitions. [2024-11-20 17:26:40,857 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6537467700258398 [2024-11-20 17:26:40,859 INFO L175 Difference]: Start difference. First operand has 44 places, 34 transitions, 76 flow. Second operand 9 states and 253 transitions. [2024-11-20 17:26:40,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 111 transitions, 430 flow [2024-11-20 17:26:40,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 111 transitions, 429 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 17:26:40,863 INFO L231 Difference]: Finished difference. Result has 58 places, 39 transitions, 171 flow [2024-11-20 17:26:40,863 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=171, PETRI_PLACES=58, PETRI_TRANSITIONS=39} [2024-11-20 17:26:40,864 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 11 predicate places. [2024-11-20 17:26:40,864 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 39 transitions, 171 flow [2024-11-20 17:26:40,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:26:40,865 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:26:40,865 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:26:40,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 17:26:40,865 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-20 17:26:40,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:26:40,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1443314674, now seen corresponding path program 1 times [2024-11-20 17:26:40,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:26:40,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718921668] [2024-11-20 17:26:40,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:26:40,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:26:40,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:26:41,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:26:41,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:26:41,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718921668] [2024-11-20 17:26:41,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718921668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:26:41,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:26:41,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 17:26:41,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817601917] [2024-11-20 17:26:41,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:26:41,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:26:41,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:26:41,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:26:41,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:26:41,125 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 43 [2024-11-20 17:26:41,125 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 39 transitions, 171 flow. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:26:41,125 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:26:41,125 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 43 [2024-11-20 17:26:41,125 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:26:41,591 INFO L124 PetriNetUnfolderBase]: 1329/2644 cut-off events. [2024-11-20 17:26:41,591 INFO L125 PetriNetUnfolderBase]: For 4878/4899 co-relation queries the response was YES. [2024-11-20 17:26:41,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7920 conditions, 2644 events. 1329/2644 cut-off events. For 4878/4899 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 19368 event pairs, 191 based on Foata normal form. 114/2743 useless extension candidates. Maximal degree in co-relation 7905. Up to 703 conditions per place. [2024-11-20 17:26:41,612 INFO L140 encePairwiseOnDemand]: 33/43 looper letters, 41 selfloop transitions, 11 changer transitions 66/131 dead transitions. [2024-11-20 17:26:41,612 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 131 transitions, 977 flow [2024-11-20 17:26:41,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 17:26:41,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-20 17:26:41,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 273 transitions. [2024-11-20 17:26:41,617 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6348837209302326 [2024-11-20 17:26:41,617 INFO L175 Difference]: Start difference. First operand has 58 places, 39 transitions, 171 flow. Second operand 10 states and 273 transitions. [2024-11-20 17:26:41,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 131 transitions, 977 flow [2024-11-20 17:26:41,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 131 transitions, 831 flow, removed 36 selfloop flow, removed 4 redundant places. [2024-11-20 17:26:41,645 INFO L231 Difference]: Finished difference. Result has 65 places, 47 transitions, 279 flow [2024-11-20 17:26:41,645 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=279, PETRI_PLACES=65, PETRI_TRANSITIONS=47} [2024-11-20 17:26:41,646 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 18 predicate places. [2024-11-20 17:26:41,647 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 47 transitions, 279 flow [2024-11-20 17:26:41,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:26:41,648 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:26:41,648 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:26:41,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 17:26:41,648 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-20 17:26:41,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:26:41,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1471526690, now seen corresponding path program 1 times [2024-11-20 17:26:41,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:26:41,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627190169] [2024-11-20 17:26:41,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:26:41,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:26:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:26:41,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:26:41,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:26:41,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627190169] [2024-11-20 17:26:41,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627190169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:26:41,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:26:41,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 17:26:41,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935486] [2024-11-20 17:26:41,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:26:41,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:26:41,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:26:41,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:26:41,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:26:41,851 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 43 [2024-11-20 17:26:41,852 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 47 transitions, 279 flow. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:26:41,853 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:26:41,853 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 43 [2024-11-20 17:26:41,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:26:42,233 INFO L124 PetriNetUnfolderBase]: 1068/2042 cut-off events. [2024-11-20 17:26:42,234 INFO L125 PetriNetUnfolderBase]: For 6306/6309 co-relation queries the response was YES. [2024-11-20 17:26:42,242 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7036 conditions, 2042 events. 1068/2042 cut-off events. For 6306/6309 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 13425 event pairs, 203 based on Foata normal form. 44/2067 useless extension candidates. Maximal degree in co-relation 7014. Up to 712 conditions per place. [2024-11-20 17:26:42,254 INFO L140 encePairwiseOnDemand]: 33/43 looper letters, 49 selfloop transitions, 14 changer transitions 40/116 dead transitions. [2024-11-20 17:26:42,254 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 116 transitions, 889 flow [2024-11-20 17:26:42,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 17:26:42,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-20 17:26:42,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 259 transitions. [2024-11-20 17:26:42,257 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6023255813953489 [2024-11-20 17:26:42,257 INFO L175 Difference]: Start difference. First operand has 65 places, 47 transitions, 279 flow. Second operand 10 states and 259 transitions. [2024-11-20 17:26:42,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 116 transitions, 889 flow [2024-11-20 17:26:42,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 116 transitions, 861 flow, removed 14 selfloop flow, removed 0 redundant places. [2024-11-20 17:26:42,270 INFO L231 Difference]: Finished difference. Result has 77 places, 53 transitions, 409 flow [2024-11-20 17:26:42,271 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=271, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=409, PETRI_PLACES=77, PETRI_TRANSITIONS=53} [2024-11-20 17:26:42,272 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 30 predicate places. [2024-11-20 17:26:42,273 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 53 transitions, 409 flow [2024-11-20 17:26:42,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:26:42,273 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:26:42,273 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:26:42,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 17:26:42,275 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-20 17:26:42,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:26:42,276 INFO L85 PathProgramCache]: Analyzing trace with hash -147920981, now seen corresponding path program 1 times [2024-11-20 17:26:42,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:26:42,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110963315] [2024-11-20 17:26:42,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:26:42,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:26:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:26:42,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:26:42,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:26:42,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110963315] [2024-11-20 17:26:42,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110963315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:26:42,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:26:42,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 17:26:42,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313147971] [2024-11-20 17:26:42,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:26:42,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:26:42,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:26:42,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:26:42,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:26:42,465 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 43 [2024-11-20 17:26:42,465 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 53 transitions, 409 flow. Second operand has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 6 states have internal predecessors, (133), 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) [2024-11-20 17:26:42,466 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:26:42,466 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 43 [2024-11-20 17:26:42,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:26:42,795 INFO L124 PetriNetUnfolderBase]: 890/1928 cut-off events. [2024-11-20 17:26:42,795 INFO L125 PetriNetUnfolderBase]: For 7865/8123 co-relation queries the response was YES. [2024-11-20 17:26:42,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6464 conditions, 1928 events. 890/1928 cut-off events. For 7865/8123 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 14488 event pairs, 140 based on Foata normal form. 131/1956 useless extension candidates. Maximal degree in co-relation 6431. Up to 543 conditions per place. [2024-11-20 17:26:42,812 INFO L140 encePairwiseOnDemand]: 36/43 looper letters, 25 selfloop transitions, 6 changer transitions 43/96 dead transitions. [2024-11-20 17:26:42,812 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 96 transitions, 849 flow [2024-11-20 17:26:42,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 17:26:42,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-20 17:26:42,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 216 transitions. [2024-11-20 17:26:42,814 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.627906976744186 [2024-11-20 17:26:42,815 INFO L175 Difference]: Start difference. First operand has 77 places, 53 transitions, 409 flow. Second operand 8 states and 216 transitions. [2024-11-20 17:26:42,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 96 transitions, 849 flow [2024-11-20 17:26:42,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 96 transitions, 789 flow, removed 28 selfloop flow, removed 10 redundant places. [2024-11-20 17:26:42,868 INFO L231 Difference]: Finished difference. Result has 73 places, 44 transitions, 292 flow [2024-11-20 17:26:42,868 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=365, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=292, PETRI_PLACES=73, PETRI_TRANSITIONS=44} [2024-11-20 17:26:42,869 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 26 predicate places. [2024-11-20 17:26:42,869 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 44 transitions, 292 flow [2024-11-20 17:26:42,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 6 states have internal predecessors, (133), 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) [2024-11-20 17:26:42,870 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:26:42,870 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:26:42,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 17:26:42,870 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-20 17:26:42,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:26:42,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1243663816, now seen corresponding path program 1 times [2024-11-20 17:26:42,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:26:42,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218105159] [2024-11-20 17:26:42,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:26:42,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:26:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:26:43,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:26:43,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:26:43,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218105159] [2024-11-20 17:26:43,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218105159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:26:43,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:26:43,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 17:26:43,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284208919] [2024-11-20 17:26:43,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:26:43,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:26:43,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:26:43,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:26:43,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:26:43,044 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 43 [2024-11-20 17:26:43,045 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 44 transitions, 292 flow. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 6 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:26:43,045 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:26:43,045 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 43 [2024-11-20 17:26:43,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:26:43,285 INFO L124 PetriNetUnfolderBase]: 476/1018 cut-off events. [2024-11-20 17:26:43,286 INFO L125 PetriNetUnfolderBase]: For 3090/3090 co-relation queries the response was YES. [2024-11-20 17:26:43,290 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3451 conditions, 1018 events. 476/1018 cut-off events. For 3090/3090 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 6313 event pairs, 76 based on Foata normal form. 26/1010 useless extension candidates. Maximal degree in co-relation 3429. Up to 278 conditions per place. [2024-11-20 17:26:43,295 INFO L140 encePairwiseOnDemand]: 34/43 looper letters, 37 selfloop transitions, 12 changer transitions 28/90 dead transitions. [2024-11-20 17:26:43,295 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 90 transitions, 696 flow [2024-11-20 17:26:43,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 17:26:43,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-20 17:26:43,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 241 transitions. [2024-11-20 17:26:43,296 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5604651162790698 [2024-11-20 17:26:43,297 INFO L175 Difference]: Start difference. First operand has 73 places, 44 transitions, 292 flow. Second operand 10 states and 241 transitions. [2024-11-20 17:26:43,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 90 transitions, 696 flow [2024-11-20 17:26:43,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 90 transitions, 599 flow, removed 43 selfloop flow, removed 9 redundant places. [2024-11-20 17:26:43,306 INFO L231 Difference]: Finished difference. Result has 77 places, 45 transitions, 320 flow [2024-11-20 17:26:43,306 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=247, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=320, PETRI_PLACES=77, PETRI_TRANSITIONS=45} [2024-11-20 17:26:43,308 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 30 predicate places. [2024-11-20 17:26:43,309 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 45 transitions, 320 flow [2024-11-20 17:26:43,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 6 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:26:43,309 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:26:43,309 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:26:43,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 17:26:43,310 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-20 17:26:43,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:26:43,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1764909452, now seen corresponding path program 1 times [2024-11-20 17:26:43,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:26:43,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685095657] [2024-11-20 17:26:43,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:26:43,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:26:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:26:43,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:26:43,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:26:43,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685095657] [2024-11-20 17:26:43,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685095657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:26:43,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:26:43,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 17:26:43,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465417523] [2024-11-20 17:26:43,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:26:43,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:26:43,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:26:43,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:26:43,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:26:43,483 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 43 [2024-11-20 17:26:43,484 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 45 transitions, 320 flow. Second operand has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 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) [2024-11-20 17:26:43,484 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:26:43,484 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 43 [2024-11-20 17:26:43,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:26:43,678 INFO L124 PetriNetUnfolderBase]: 430/1002 cut-off events. [2024-11-20 17:26:43,678 INFO L125 PetriNetUnfolderBase]: For 3420/3571 co-relation queries the response was YES. [2024-11-20 17:26:43,682 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3181 conditions, 1002 events. 430/1002 cut-off events. For 3420/3571 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 6657 event pairs, 176 based on Foata normal form. 51/1008 useless extension candidates. Maximal degree in co-relation 3158. Up to 329 conditions per place. [2024-11-20 17:26:43,685 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 26 selfloop transitions, 4 changer transitions 18/67 dead transitions. [2024-11-20 17:26:43,685 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 67 transitions, 495 flow [2024-11-20 17:26:43,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 17:26:43,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 17:26:43,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 160 transitions. [2024-11-20 17:26:43,686 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6201550387596899 [2024-11-20 17:26:43,687 INFO L175 Difference]: Start difference. First operand has 77 places, 45 transitions, 320 flow. Second operand 6 states and 160 transitions. [2024-11-20 17:26:43,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 67 transitions, 495 flow [2024-11-20 17:26:43,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 67 transitions, 441 flow, removed 21 selfloop flow, removed 10 redundant places. [2024-11-20 17:26:43,694 INFO L231 Difference]: Finished difference. Result has 69 places, 39 transitions, 229 flow [2024-11-20 17:26:43,694 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=277, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=229, PETRI_PLACES=69, PETRI_TRANSITIONS=39} [2024-11-20 17:26:43,695 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 22 predicate places. [2024-11-20 17:26:43,695 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 39 transitions, 229 flow [2024-11-20 17:26:43,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 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) [2024-11-20 17:26:43,695 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:26:43,696 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:26:43,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 17:26:43,696 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-20 17:26:43,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:26:43,696 INFO L85 PathProgramCache]: Analyzing trace with hash 668972534, now seen corresponding path program 2 times [2024-11-20 17:26:43,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:26:43,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066822185] [2024-11-20 17:26:43,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:26:43,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:26:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:26:43,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:26:43,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:26:43,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066822185] [2024-11-20 17:26:43,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066822185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:26:43,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:26:43,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 17:26:43,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116642228] [2024-11-20 17:26:43,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:26:43,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:26:43,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:26:43,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:26:43,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:26:43,808 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 43 [2024-11-20 17:26:43,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 39 transitions, 229 flow. Second operand has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 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) [2024-11-20 17:26:43,808 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:26:43,808 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 43 [2024-11-20 17:26:43,808 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:26:43,969 INFO L124 PetriNetUnfolderBase]: 257/623 cut-off events. [2024-11-20 17:26:43,969 INFO L125 PetriNetUnfolderBase]: For 1261/1336 co-relation queries the response was YES. [2024-11-20 17:26:43,972 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1874 conditions, 623 events. 257/623 cut-off events. For 1261/1336 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 3847 event pairs, 70 based on Foata normal form. 22/621 useless extension candidates. Maximal degree in co-relation 1856. Up to 155 conditions per place. [2024-11-20 17:26:43,974 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 20 selfloop transitions, 2 changer transitions 25/63 dead transitions. [2024-11-20 17:26:43,974 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 63 transitions, 381 flow [2024-11-20 17:26:43,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 17:26:43,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-20 17:26:43,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 184 transitions. [2024-11-20 17:26:43,975 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6112956810631229 [2024-11-20 17:26:43,976 INFO L175 Difference]: Start difference. First operand has 69 places, 39 transitions, 229 flow. Second operand 7 states and 184 transitions. [2024-11-20 17:26:43,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 63 transitions, 381 flow [2024-11-20 17:26:43,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 63 transitions, 316 flow, removed 12 selfloop flow, removed 13 redundant places. [2024-11-20 17:26:43,980 INFO L231 Difference]: Finished difference. Result has 63 places, 33 transitions, 131 flow [2024-11-20 17:26:43,981 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=131, PETRI_PLACES=63, PETRI_TRANSITIONS=33} [2024-11-20 17:26:43,981 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 16 predicate places. [2024-11-20 17:26:43,982 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 33 transitions, 131 flow [2024-11-20 17:26:43,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 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) [2024-11-20 17:26:43,982 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:26:43,982 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:26:43,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 17:26:43,982 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-20 17:26:43,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:26:43,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1878832180, now seen corresponding path program 3 times [2024-11-20 17:26:43,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:26:43,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095628982] [2024-11-20 17:26:43,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:26:43,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:26:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:26:44,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:26:44,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:26:44,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095628982] [2024-11-20 17:26:44,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095628982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:26:44,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:26:44,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:26:44,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879556956] [2024-11-20 17:26:44,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:26:44,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:26:44,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:26:44,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:26:44,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:26:44,093 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 43 [2024-11-20 17:26:44,093 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 33 transitions, 131 flow. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:26:44,094 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:26:44,094 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 43 [2024-11-20 17:26:44,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:26:44,167 INFO L124 PetriNetUnfolderBase]: 328/644 cut-off events. [2024-11-20 17:26:44,167 INFO L125 PetriNetUnfolderBase]: For 131/140 co-relation queries the response was YES. [2024-11-20 17:26:44,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1337 conditions, 644 events. 328/644 cut-off events. For 131/140 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 3415 event pairs, 86 based on Foata normal form. 27/643 useless extension candidates. Maximal degree in co-relation 1324. Up to 331 conditions per place. [2024-11-20 17:26:44,171 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 22 selfloop transitions, 4 changer transitions 4/46 dead transitions. [2024-11-20 17:26:44,171 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 46 transitions, 219 flow [2024-11-20 17:26:44,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:26:44,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-20 17:26:44,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 116 transitions. [2024-11-20 17:26:44,172 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6744186046511628 [2024-11-20 17:26:44,172 INFO L175 Difference]: Start difference. First operand has 63 places, 33 transitions, 131 flow. Second operand 4 states and 116 transitions. [2024-11-20 17:26:44,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 46 transitions, 219 flow [2024-11-20 17:26:44,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 46 transitions, 179 flow, removed 6 selfloop flow, removed 12 redundant places. [2024-11-20 17:26:44,174 INFO L231 Difference]: Finished difference. Result has 52 places, 35 transitions, 119 flow [2024-11-20 17:26:44,174 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=91, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=119, PETRI_PLACES=52, PETRI_TRANSITIONS=35} [2024-11-20 17:26:44,175 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 5 predicate places. [2024-11-20 17:26:44,175 INFO L471 AbstractCegarLoop]: Abstraction has has 52 places, 35 transitions, 119 flow [2024-11-20 17:26:44,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:26:44,175 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:26:44,176 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] [2024-11-20 17:26:44,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 17:26:44,176 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-20 17:26:44,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:26:44,177 INFO L85 PathProgramCache]: Analyzing trace with hash -252703069, now seen corresponding path program 1 times [2024-11-20 17:26:44,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:26:44,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899281979] [2024-11-20 17:26:44,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:26:44,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:26:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:26:44,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:26:44,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:26:44,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899281979] [2024-11-20 17:26:44,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899281979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:26:44,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:26:44,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 17:26:44,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197777321] [2024-11-20 17:26:44,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:26:44,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 17:26:44,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:26:44,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 17:26:44,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 17:26:44,279 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 43 [2024-11-20 17:26:44,279 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 35 transitions, 119 flow. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:26:44,280 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:26:44,280 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 43 [2024-11-20 17:26:44,280 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:26:44,370 INFO L124 PetriNetUnfolderBase]: 222/445 cut-off events. [2024-11-20 17:26:44,370 INFO L125 PetriNetUnfolderBase]: For 154/203 co-relation queries the response was YES. [2024-11-20 17:26:44,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1057 conditions, 445 events. 222/445 cut-off events. For 154/203 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1988 event pairs, 30 based on Foata normal form. 27/454 useless extension candidates. Maximal degree in co-relation 1049. Up to 193 conditions per place. [2024-11-20 17:26:44,372 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 21 selfloop transitions, 6 changer transitions 8/51 dead transitions. [2024-11-20 17:26:44,372 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 51 transitions, 238 flow [2024-11-20 17:26:44,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 17:26:44,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-20 17:26:44,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 142 transitions. [2024-11-20 17:26:44,373 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6604651162790698 [2024-11-20 17:26:44,373 INFO L175 Difference]: Start difference. First operand has 52 places, 35 transitions, 119 flow. Second operand 5 states and 142 transitions. [2024-11-20 17:26:44,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 51 transitions, 238 flow [2024-11-20 17:26:44,374 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 51 transitions, 229 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-20 17:26:44,375 INFO L231 Difference]: Finished difference. Result has 56 places, 35 transitions, 137 flow [2024-11-20 17:26:44,375 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=137, PETRI_PLACES=56, PETRI_TRANSITIONS=35} [2024-11-20 17:26:44,376 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 9 predicate places. [2024-11-20 17:26:44,376 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 35 transitions, 137 flow [2024-11-20 17:26:44,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:26:44,376 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:26:44,376 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] [2024-11-20 17:26:44,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 17:26:44,377 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-20 17:26:44,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:26:44,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1821246894, now seen corresponding path program 1 times [2024-11-20 17:26:44,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:26:44,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087018621] [2024-11-20 17:26:44,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:26:44,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:26:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:26:44,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:26:44,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:26:44,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087018621] [2024-11-20 17:26:44,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087018621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:26:44,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:26:44,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 17:26:44,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963694658] [2024-11-20 17:26:44,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:26:44,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:26:44,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:26:44,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:26:44,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:26:44,486 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 43 [2024-11-20 17:26:44,486 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 35 transitions, 137 flow. Second operand has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:26:44,487 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:26:44,487 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 43 [2024-11-20 17:26:44,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:26:44,562 INFO L124 PetriNetUnfolderBase]: 80/171 cut-off events. [2024-11-20 17:26:44,562 INFO L125 PetriNetUnfolderBase]: For 173/201 co-relation queries the response was YES. [2024-11-20 17:26:44,563 INFO L83 FinitePrefix]: Finished finitePrefix Result has 465 conditions, 171 events. 80/171 cut-off events. For 173/201 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 505 event pairs, 2 based on Foata normal form. 16/181 useless extension candidates. Maximal degree in co-relation 456. Up to 56 conditions per place. [2024-11-20 17:26:44,563 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 0 selfloop transitions, 0 changer transitions 43/43 dead transitions. [2024-11-20 17:26:44,563 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 43 transitions, 215 flow [2024-11-20 17:26:44,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 17:26:44,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 17:26:44,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 158 transitions. [2024-11-20 17:26:44,565 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6124031007751938 [2024-11-20 17:26:44,565 INFO L175 Difference]: Start difference. First operand has 56 places, 35 transitions, 137 flow. Second operand 6 states and 158 transitions. [2024-11-20 17:26:44,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 43 transitions, 215 flow [2024-11-20 17:26:44,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 43 transitions, 193 flow, removed 3 selfloop flow, removed 5 redundant places. [2024-11-20 17:26:44,566 INFO L231 Difference]: Finished difference. Result has 51 places, 0 transitions, 0 flow [2024-11-20 17:26:44,566 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=51, PETRI_TRANSITIONS=0} [2024-11-20 17:26:44,567 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 4 predicate places. [2024-11-20 17:26:44,567 INFO L471 AbstractCegarLoop]: Abstraction has has 51 places, 0 transitions, 0 flow [2024-11-20 17:26:44,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:26:44,570 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-11-20 17:26:44,570 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-11-20 17:26:44,571 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-20 17:26:44,571 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-11-20 17:26:44,571 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-11-20 17:26:44,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 17:26:44,571 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:26:44,577 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 17:26:44,577 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 17:26:44,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:26:44 BasicIcfg [2024-11-20 17:26:44,583 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 17:26:44,583 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 17:26:44,583 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 17:26:44,584 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 17:26:44,584 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:26:39" (3/4) ... [2024-11-20 17:26:44,586 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 17:26:44,590 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-20 17:26:44,590 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-20 17:26:44,590 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-20 17:26:44,594 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-11-20 17:26:44,595 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-20 17:26:44,595 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-20 17:26:44,595 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-20 17:26:44,677 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 17:26:44,678 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 17:26:44,678 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 17:26:44,679 INFO L158 Benchmark]: Toolchain (without parser) took 6838.32ms. Allocated memory was 161.5MB in the beginning and 283.1MB in the end (delta: 121.6MB). Free memory was 108.2MB in the beginning and 175.5MB in the end (delta: -67.3MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. [2024-11-20 17:26:44,679 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory was 51.7MB in the beginning and 51.5MB in the end (delta: 164.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 17:26:44,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 596.30ms. Allocated memory is still 161.5MB. Free memory was 107.8MB in the beginning and 120.5MB in the end (delta: -12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-20 17:26:44,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.47ms. Allocated memory is still 161.5MB. Free memory was 120.5MB in the beginning and 118.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 17:26:44,680 INFO L158 Benchmark]: Boogie Preprocessor took 43.99ms. Allocated memory is still 161.5MB. Free memory was 118.4MB in the beginning and 116.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 17:26:44,680 INFO L158 Benchmark]: RCFGBuilder took 542.21ms. Allocated memory is still 161.5MB. Free memory was 115.7MB in the beginning and 96.3MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-20 17:26:44,680 INFO L158 Benchmark]: TraceAbstraction took 5508.56ms. Allocated memory was 161.5MB in the beginning and 283.1MB in the end (delta: 121.6MB). Free memory was 95.8MB in the beginning and 179.7MB in the end (delta: -83.9MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2024-11-20 17:26:44,681 INFO L158 Benchmark]: Witness Printer took 94.79ms. Allocated memory is still 283.1MB. Free memory was 179.7MB in the beginning and 175.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 17:26:44,682 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory was 51.7MB in the beginning and 51.5MB in the end (delta: 164.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 596.30ms. Allocated memory is still 161.5MB. Free memory was 107.8MB in the beginning and 120.5MB in the end (delta: -12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.47ms. Allocated memory is still 161.5MB. Free memory was 120.5MB in the beginning and 118.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.99ms. Allocated memory is still 161.5MB. Free memory was 118.4MB in the beginning and 116.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 542.21ms. Allocated memory is still 161.5MB. Free memory was 115.7MB in the beginning and 96.3MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5508.56ms. Allocated memory was 161.5MB in the beginning and 283.1MB in the end (delta: 121.6MB). Free memory was 95.8MB in the beginning and 179.7MB in the end (delta: -83.9MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. * Witness Printer took 94.79ms. Allocated memory is still 283.1MB. Free memory was 179.7MB in the beginning and 175.5MB 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: 774]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 66 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.4s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 446 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 392 mSDsluCounter, 301 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 214 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1036 IncrementalHoareTripleChecker+Invalid, 1076 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 87 mSDtfsCounter, 1036 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=409occurred in iteration=4, InterpolantAutomatonStates: 78, 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, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 228 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 217 ConstructedInterpolants, 0 QuantifiedInterpolants, 823 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-20 17:26:44,700 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