./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/mix055_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-wmm/mix055_tso.oepc.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 9ec75f624fee0326f6dc01ebf4c0afe8f65e83cfa5c5726cd79e55765f7366f9 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 17:56:48,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 17:56:48,186 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-10 17:56:48,192 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 17:56:48,193 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 17:56:48,219 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 17:56:48,220 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 17:56:48,220 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 17:56:48,221 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 17:56:48,221 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 17:56:48,221 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 17:56:48,222 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 17:56:48,222 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 17:56:48,222 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 17:56:48,223 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 17:56:48,223 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 17:56:48,223 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 17:56:48,224 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 17:56:48,224 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 17:56:48,224 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 17:56:48,224 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-10 17:56:48,225 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-10 17:56:48,225 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-10 17:56:48,225 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 17:56:48,225 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 17:56:48,226 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 17:56:48,226 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 17:56:48,226 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 17:56:48,226 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 17:56:48,226 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 17:56:48,227 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 17:56:48,227 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 17:56:48,227 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 17:56:48,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 17:56:48,228 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 17:56:48,228 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 17:56:48,228 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 17:56:48,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 17:56:48,229 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 17:56:48,229 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 17:56:48,229 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 17:56:48,229 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 17:56:48,230 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ec75f624fee0326f6dc01ebf4c0afe8f65e83cfa5c5726cd79e55765f7366f9 [2024-11-10 17:56:48,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 17:56:48,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 17:56:48,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 17:56:48,462 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 17:56:48,463 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 17:56:48,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix055_tso.oepc.i [2024-11-10 17:56:49,743 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 17:56:49,963 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 17:56:49,964 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix055_tso.oepc.i [2024-11-10 17:56:49,977 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61a8c8aeb/d608301781054675bc1b5584542a123b/FLAGb4ca1888e [2024-11-10 17:56:49,990 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61a8c8aeb/d608301781054675bc1b5584542a123b [2024-11-10 17:56:49,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 17:56:49,994 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 17:56:49,996 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 17:56:49,996 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 17:56:50,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 17:56:50,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:56:49" (1/1) ... [2024-11-10 17:56:50,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@467165f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:56:50, skipping insertion in model container [2024-11-10 17:56:50,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:56:49" (1/1) ... [2024-11-10 17:56:50,031 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 17:56:50,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 17:56:50,402 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 17:56:50,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 17:56:50,501 INFO L204 MainTranslator]: Completed translation [2024-11-10 17:56:50,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:56:50 WrapperNode [2024-11-10 17:56:50,502 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 17:56:50,503 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 17:56:50,503 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 17:56:50,504 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 17:56:50,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:56:50" (1/1) ... [2024-11-10 17:56:50,533 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:56:50" (1/1) ... [2024-11-10 17:56:50,565 INFO L138 Inliner]: procedures = 176, calls = 52, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 149 [2024-11-10 17:56:50,566 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 17:56:50,567 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 17:56:50,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 17:56:50,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 17:56:50,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:56:50" (1/1) ... [2024-11-10 17:56:50,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:56:50" (1/1) ... [2024-11-10 17:56:50,589 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:56:50" (1/1) ... [2024-11-10 17:56:50,614 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 17:56:50,614 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:56:50" (1/1) ... [2024-11-10 17:56:50,615 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:56:50" (1/1) ... [2024-11-10 17:56:50,624 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:56:50" (1/1) ... [2024-11-10 17:56:50,629 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:56:50" (1/1) ... [2024-11-10 17:56:50,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:56:50" (1/1) ... [2024-11-10 17:56:50,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:56:50" (1/1) ... [2024-11-10 17:56:50,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 17:56:50,658 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 17:56:50,660 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 17:56:50,661 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 17:56:50,662 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:56:50" (1/1) ... [2024-11-10 17:56:50,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 17:56:50,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 17:56:50,697 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 17:56:50,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 17:56:50,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 17:56:50,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 17:56:50,766 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-10 17:56:50,767 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-10 17:56:50,767 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-10 17:56:50,767 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-10 17:56:50,767 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-10 17:56:50,767 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-10 17:56:50,767 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-10 17:56:50,768 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-10 17:56:50,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 17:56:50,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 17:56:50,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 17:56:50,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 17:56:50,772 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 17:56:50,882 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 17:56:50,884 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 17:56:51,199 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 17:56:51,200 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 17:56:51,392 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 17:56:51,392 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 17:56:51,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:56:51 BoogieIcfgContainer [2024-11-10 17:56:51,393 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 17:56:51,395 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 17:56:51,396 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 17:56:51,398 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 17:56:51,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:56:49" (1/3) ... [2024-11-10 17:56:51,400 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74dca53f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:56:51, skipping insertion in model container [2024-11-10 17:56:51,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:56:50" (2/3) ... [2024-11-10 17:56:51,401 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74dca53f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:56:51, skipping insertion in model container [2024-11-10 17:56:51,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:56:51" (3/3) ... [2024-11-10 17:56:51,402 INFO L112 eAbstractionObserver]: Analyzing ICFG mix055_tso.oepc.i [2024-11-10 17:56:51,419 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 17:56:51,419 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-10 17:56:51,420 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 17:56:51,474 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 17:56:51,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 64 places, 53 transitions, 122 flow [2024-11-10 17:56:51,533 INFO L124 PetriNetUnfolderBase]: 2/49 cut-off events. [2024-11-10 17:56:51,533 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 17:56:51,539 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 49 events. 2/49 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 98 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place. [2024-11-10 17:56:51,539 INFO L82 GeneralOperation]: Start removeDead. Operand has 64 places, 53 transitions, 122 flow [2024-11-10 17:56:51,544 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 49 transitions, 110 flow [2024-11-10 17:56:51,559 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 17:56:51,565 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;@617fa603, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 17:56:51,566 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-10 17:56:51,571 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 17:56:51,572 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2024-11-10 17:56:51,572 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 17:56:51,572 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:56:51,573 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 17:56:51,573 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:56:51,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:56:51,579 INFO L85 PathProgramCache]: Analyzing trace with hash 112968354, now seen corresponding path program 1 times [2024-11-10 17:56:51,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:56:51,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760859606] [2024-11-10 17:56:51,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:56:51,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:56:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:56:51,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:56:51,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:56:51,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760859606] [2024-11-10 17:56:51,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760859606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:56:51,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:56:51,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 17:56:51,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686669877] [2024-11-10 17:56:51,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:56:51,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:56:51,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:56:52,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:56:52,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:56:52,008 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 53 [2024-11-10 17:56:52,010 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 49 transitions, 110 flow. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:56:52,010 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:56:52,010 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 53 [2024-11-10 17:56:52,011 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:56:56,812 INFO L124 PetriNetUnfolderBase]: 43115/57472 cut-off events. [2024-11-10 17:56:56,813 INFO L125 PetriNetUnfolderBase]: For 246/246 co-relation queries the response was YES. [2024-11-10 17:56:56,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114588 conditions, 57472 events. 43115/57472 cut-off events. For 246/246 co-relation queries the response was YES. Maximal size of possible extension queue 1683. Compared 348331 event pairs, 5325 based on Foata normal form. 2592/60053 useless extension candidates. Maximal degree in co-relation 114576. Up to 49011 conditions per place. [2024-11-10 17:56:57,150 INFO L140 encePairwiseOnDemand]: 48/53 looper letters, 61 selfloop transitions, 2 changer transitions 2/73 dead transitions. [2024-11-10 17:56:57,150 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 73 transitions, 294 flow [2024-11-10 17:56:57,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:56:57,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 17:56:57,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 106 transitions. [2024-11-10 17:56:57,168 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2024-11-10 17:56:57,169 INFO L175 Difference]: Start difference. First operand has 60 places, 49 transitions, 110 flow. Second operand 3 states and 106 transitions. [2024-11-10 17:56:57,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 73 transitions, 294 flow [2024-11-10 17:56:57,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 73 transitions, 288 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 17:56:57,176 INFO L231 Difference]: Finished difference. Result has 56 places, 44 transitions, 100 flow [2024-11-10 17:56:57,178 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=56, PETRI_TRANSITIONS=44} [2024-11-10 17:56:57,181 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -4 predicate places. [2024-11-10 17:56:57,181 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 44 transitions, 100 flow [2024-11-10 17:56:57,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:56:57,182 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:56:57,182 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:56:57,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 17:56:57,182 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:56:57,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:56:57,183 INFO L85 PathProgramCache]: Analyzing trace with hash 690695565, now seen corresponding path program 1 times [2024-11-10 17:56:57,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:56:57,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810312147] [2024-11-10 17:56:57,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:56:57,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:56:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:56:57,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:56:57,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:56:57,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810312147] [2024-11-10 17:56:57,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810312147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:56:57,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:56:57,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 17:56:57,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394777649] [2024-11-10 17:56:57,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:56:57,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:56:57,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:56:57,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:56:57,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:56:57,294 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 53 [2024-11-10 17:56:57,295 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 44 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:56:57,295 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:56:57,295 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 53 [2024-11-10 17:56:57,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:01,250 INFO L124 PetriNetUnfolderBase]: 38795/54903 cut-off events. [2024-11-10 17:57:01,251 INFO L125 PetriNetUnfolderBase]: For 2028/2028 co-relation queries the response was YES. [2024-11-10 17:57:01,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108429 conditions, 54903 events. 38795/54903 cut-off events. For 2028/2028 co-relation queries the response was YES. Maximal size of possible extension queue 1697. Compared 359848 event pairs, 38795 based on Foata normal form. 1296/56163 useless extension candidates. Maximal degree in co-relation 108419. Up to 50976 conditions per place. [2024-11-10 17:57:01,533 INFO L140 encePairwiseOnDemand]: 51/53 looper letters, 34 selfloop transitions, 1 changer transitions 1/43 dead transitions. [2024-11-10 17:57:01,533 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 43 transitions, 170 flow [2024-11-10 17:57:01,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:57:01,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 17:57:01,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 70 transitions. [2024-11-10 17:57:01,534 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.44025157232704404 [2024-11-10 17:57:01,534 INFO L175 Difference]: Start difference. First operand has 56 places, 44 transitions, 100 flow. Second operand 3 states and 70 transitions. [2024-11-10 17:57:01,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 43 transitions, 170 flow [2024-11-10 17:57:01,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 43 transitions, 166 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 17:57:01,537 INFO L231 Difference]: Finished difference. Result has 54 places, 42 transitions, 94 flow [2024-11-10 17:57:01,537 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=54, PETRI_TRANSITIONS=42} [2024-11-10 17:57:01,538 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -6 predicate places. [2024-11-10 17:57:01,538 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 42 transitions, 94 flow [2024-11-10 17:57:01,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:01,538 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:01,539 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:57:01,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 17:57:01,539 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:57:01,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:01,539 INFO L85 PathProgramCache]: Analyzing trace with hash 690696283, now seen corresponding path program 1 times [2024-11-10 17:57:01,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:01,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770821194] [2024-11-10 17:57:01,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:01,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:01,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:01,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:01,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770821194] [2024-11-10 17:57:01,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770821194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:01,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:01,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 17:57:01,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864568942] [2024-11-10 17:57:01,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:01,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 17:57:01,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:01,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 17:57:01,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 17:57:01,772 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 53 [2024-11-10 17:57:01,772 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 42 transitions, 94 flow. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:01,773 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:01,773 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 53 [2024-11-10 17:57:01,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:04,655 INFO L124 PetriNetUnfolderBase]: 31611/45409 cut-off events. [2024-11-10 17:57:04,655 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 17:57:04,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 88187 conditions, 45409 events. 31611/45409 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1482. Compared 302412 event pairs, 3739 based on Foata normal form. 1296/46680 useless extension candidates. Maximal degree in co-relation 88181. Up to 26017 conditions per place. [2024-11-10 17:57:04,900 INFO L140 encePairwiseOnDemand]: 46/53 looper letters, 72 selfloop transitions, 6 changer transitions 1/86 dead transitions. [2024-11-10 17:57:04,901 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 86 transitions, 346 flow [2024-11-10 17:57:04,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 17:57:04,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 17:57:04,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 129 transitions. [2024-11-10 17:57:04,902 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6084905660377359 [2024-11-10 17:57:04,902 INFO L175 Difference]: Start difference. First operand has 54 places, 42 transitions, 94 flow. Second operand 4 states and 129 transitions. [2024-11-10 17:57:04,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 86 transitions, 346 flow [2024-11-10 17:57:04,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 86 transitions, 345 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 17:57:04,904 INFO L231 Difference]: Finished difference. Result has 57 places, 46 transitions, 135 flow [2024-11-10 17:57:04,904 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=93, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=135, PETRI_PLACES=57, PETRI_TRANSITIONS=46} [2024-11-10 17:57:04,905 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -3 predicate places. [2024-11-10 17:57:04,905 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 46 transitions, 135 flow [2024-11-10 17:57:04,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:04,905 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:04,906 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] [2024-11-10 17:57:04,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 17:57:04,906 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:57:04,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:04,906 INFO L85 PathProgramCache]: Analyzing trace with hash 817649815, now seen corresponding path program 1 times [2024-11-10 17:57:04,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:04,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115598187] [2024-11-10 17:57:04,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:04,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:05,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:05,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:05,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115598187] [2024-11-10 17:57:05,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115598187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:05,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:05,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 17:57:05,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72098468] [2024-11-10 17:57:05,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:05,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 17:57:05,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:05,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 17:57:05,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 17:57:05,312 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 53 [2024-11-10 17:57:05,312 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 46 transitions, 135 flow. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:05,312 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:05,313 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 53 [2024-11-10 17:57:05,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:07,499 INFO L124 PetriNetUnfolderBase]: 20347/29281 cut-off events. [2024-11-10 17:57:07,499 INFO L125 PetriNetUnfolderBase]: For 5458/5458 co-relation queries the response was YES. [2024-11-10 17:57:07,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65154 conditions, 29281 events. 20347/29281 cut-off events. For 5458/5458 co-relation queries the response was YES. Maximal size of possible extension queue 795. Compared 180867 event pairs, 2151 based on Foata normal form. 1040/30296 useless extension candidates. Maximal degree in co-relation 65145. Up to 12193 conditions per place. [2024-11-10 17:57:07,656 INFO L140 encePairwiseOnDemand]: 46/53 looper letters, 93 selfloop transitions, 10 changer transitions 1/111 dead transitions. [2024-11-10 17:57:07,657 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 111 transitions, 502 flow [2024-11-10 17:57:07,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 17:57:07,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 17:57:07,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 166 transitions. [2024-11-10 17:57:07,661 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6264150943396226 [2024-11-10 17:57:07,662 INFO L175 Difference]: Start difference. First operand has 57 places, 46 transitions, 135 flow. Second operand 5 states and 166 transitions. [2024-11-10 17:57:07,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 111 transitions, 502 flow [2024-11-10 17:57:07,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 111 transitions, 491 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-10 17:57:07,674 INFO L231 Difference]: Finished difference. Result has 61 places, 50 transitions, 187 flow [2024-11-10 17:57:07,674 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=187, PETRI_PLACES=61, PETRI_TRANSITIONS=50} [2024-11-10 17:57:07,674 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 1 predicate places. [2024-11-10 17:57:07,675 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 50 transitions, 187 flow [2024-11-10 17:57:07,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:07,675 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:07,675 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:57:07,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 17:57:07,675 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:57:07,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:07,675 INFO L85 PathProgramCache]: Analyzing trace with hash -696841825, now seen corresponding path program 1 times [2024-11-10 17:57:07,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:07,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230405261] [2024-11-10 17:57:07,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:07,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:07,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:07,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:07,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230405261] [2024-11-10 17:57:07,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230405261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:07,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:07,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 17:57:07,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638163110] [2024-11-10 17:57:07,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:07,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 17:57:07,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:07,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 17:57:07,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-10 17:57:07,954 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 53 [2024-11-10 17:57:07,954 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 50 transitions, 187 flow. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 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) [2024-11-10 17:57:07,955 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:07,955 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 53 [2024-11-10 17:57:07,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:09,310 INFO L124 PetriNetUnfolderBase]: 12027/16993 cut-off events. [2024-11-10 17:57:09,310 INFO L125 PetriNetUnfolderBase]: For 10030/10030 co-relation queries the response was YES. [2024-11-10 17:57:09,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41806 conditions, 16993 events. 12027/16993 cut-off events. For 10030/10030 co-relation queries the response was YES. Maximal size of possible extension queue 451. Compared 92155 event pairs, 1839 based on Foata normal form. 528/17496 useless extension candidates. Maximal degree in co-relation 41795. Up to 4800 conditions per place. [2024-11-10 17:57:09,408 INFO L140 encePairwiseOnDemand]: 46/53 looper letters, 112 selfloop transitions, 14 changer transitions 1/134 dead transitions. [2024-11-10 17:57:09,408 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 134 transitions, 657 flow [2024-11-10 17:57:09,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 17:57:09,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 17:57:09,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 201 transitions. [2024-11-10 17:57:09,413 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6320754716981132 [2024-11-10 17:57:09,414 INFO L175 Difference]: Start difference. First operand has 61 places, 50 transitions, 187 flow. Second operand 6 states and 201 transitions. [2024-11-10 17:57:09,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 134 transitions, 657 flow [2024-11-10 17:57:09,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 134 transitions, 627 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-10 17:57:09,510 INFO L231 Difference]: Finished difference. Result has 64 places, 54 transitions, 237 flow [2024-11-10 17:57:09,510 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=237, PETRI_PLACES=64, PETRI_TRANSITIONS=54} [2024-11-10 17:57:09,511 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 4 predicate places. [2024-11-10 17:57:09,511 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 54 transitions, 237 flow [2024-11-10 17:57:09,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 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) [2024-11-10 17:57:09,511 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:09,512 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:57:09,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 17:57:09,512 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:57:09,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:09,512 INFO L85 PathProgramCache]: Analyzing trace with hash 941022662, now seen corresponding path program 1 times [2024-11-10 17:57:09,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:09,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847570015] [2024-11-10 17:57:09,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:09,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:09,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:09,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:09,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847570015] [2024-11-10 17:57:09,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847570015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:09,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:09,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 17:57:09,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53074655] [2024-11-10 17:57:09,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:09,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 17:57:09,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:09,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 17:57:09,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 17:57:09,895 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 53 [2024-11-10 17:57:09,895 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 54 transitions, 237 flow. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:09,895 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:09,895 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 53 [2024-11-10 17:57:09,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:10,984 INFO L124 PetriNetUnfolderBase]: 9083/12513 cut-off events. [2024-11-10 17:57:10,984 INFO L125 PetriNetUnfolderBase]: For 9846/9846 co-relation queries the response was YES. [2024-11-10 17:57:11,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32239 conditions, 12513 events. 9083/12513 cut-off events. For 9846/9846 co-relation queries the response was YES. Maximal size of possible extension queue 421. Compared 63635 event pairs, 1687 based on Foata normal form. 144/12632 useless extension candidates. Maximal degree in co-relation 32227. Up to 4608 conditions per place. [2024-11-10 17:57:11,052 INFO L140 encePairwiseOnDemand]: 46/53 looper letters, 97 selfloop transitions, 18 changer transitions 1/123 dead transitions. [2024-11-10 17:57:11,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 123 transitions, 623 flow [2024-11-10 17:57:11,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 17:57:11,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-10 17:57:11,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 202 transitions. [2024-11-10 17:57:11,054 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5444743935309974 [2024-11-10 17:57:11,054 INFO L175 Difference]: Start difference. First operand has 64 places, 54 transitions, 237 flow. Second operand 7 states and 202 transitions. [2024-11-10 17:57:11,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 123 transitions, 623 flow [2024-11-10 17:57:11,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 123 transitions, 577 flow, removed 9 selfloop flow, removed 5 redundant places. [2024-11-10 17:57:11,176 INFO L231 Difference]: Finished difference. Result has 67 places, 54 transitions, 247 flow [2024-11-10 17:57:11,177 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=247, PETRI_PLACES=67, PETRI_TRANSITIONS=54} [2024-11-10 17:57:11,178 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 7 predicate places. [2024-11-10 17:57:11,178 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 54 transitions, 247 flow [2024-11-10 17:57:11,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:11,179 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:11,179 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:57:11,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 17:57:11,179 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:57:11,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:11,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1632132773, now seen corresponding path program 1 times [2024-11-10 17:57:11,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:11,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431902115] [2024-11-10 17:57:11,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:11,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:11,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:11,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:11,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431902115] [2024-11-10 17:57:11,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431902115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:11,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:11,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 17:57:11,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138006899] [2024-11-10 17:57:11,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:11,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 17:57:11,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:11,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 17:57:11,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 17:57:11,694 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 53 [2024-11-10 17:57:11,695 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 54 transitions, 247 flow. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:11,695 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:11,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 53 [2024-11-10 17:57:11,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:12,889 INFO L124 PetriNetUnfolderBase]: 12819/17620 cut-off events. [2024-11-10 17:57:12,890 INFO L125 PetriNetUnfolderBase]: For 14232/14232 co-relation queries the response was YES. [2024-11-10 17:57:12,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45467 conditions, 17620 events. 12819/17620 cut-off events. For 14232/14232 co-relation queries the response was YES. Maximal size of possible extension queue 623. Compared 93565 event pairs, 2383 based on Foata normal form. 16/17633 useless extension candidates. Maximal degree in co-relation 45454. Up to 9557 conditions per place. [2024-11-10 17:57:13,017 INFO L140 encePairwiseOnDemand]: 45/53 looper letters, 76 selfloop transitions, 6 changer transitions 25/114 dead transitions. [2024-11-10 17:57:13,017 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 114 transitions, 715 flow [2024-11-10 17:57:13,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 17:57:13,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 17:57:13,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 156 transitions. [2024-11-10 17:57:13,019 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.49056603773584906 [2024-11-10 17:57:13,019 INFO L175 Difference]: Start difference. First operand has 67 places, 54 transitions, 247 flow. Second operand 6 states and 156 transitions. [2024-11-10 17:57:13,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 114 transitions, 715 flow [2024-11-10 17:57:13,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 114 transitions, 526 flow, removed 34 selfloop flow, removed 10 redundant places. [2024-11-10 17:57:13,198 INFO L231 Difference]: Finished difference. Result has 66 places, 57 transitions, 186 flow [2024-11-10 17:57:13,199 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=151, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=186, PETRI_PLACES=66, PETRI_TRANSITIONS=57} [2024-11-10 17:57:13,199 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 6 predicate places. [2024-11-10 17:57:13,199 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 57 transitions, 186 flow [2024-11-10 17:57:13,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:13,199 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:13,200 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:57:13,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 17:57:13,200 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:57:13,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:13,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1289472503, now seen corresponding path program 2 times [2024-11-10 17:57:13,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:13,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275279644] [2024-11-10 17:57:13,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:13,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:13,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:13,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:13,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275279644] [2024-11-10 17:57:13,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275279644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:13,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:13,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 17:57:13,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434968335] [2024-11-10 17:57:13,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:13,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 17:57:13,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:13,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 17:57:13,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 17:57:13,593 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 53 [2024-11-10 17:57:13,595 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 57 transitions, 186 flow. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:13,595 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:13,595 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 53 [2024-11-10 17:57:13,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:14,666 INFO L124 PetriNetUnfolderBase]: 9155/12754 cut-off events. [2024-11-10 17:57:14,666 INFO L125 PetriNetUnfolderBase]: For 2783/2784 co-relation queries the response was YES. [2024-11-10 17:57:14,731 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30380 conditions, 12754 events. 9155/12754 cut-off events. For 2783/2784 co-relation queries the response was YES. Maximal size of possible extension queue 438. Compared 65114 event pairs, 1317 based on Foata normal form. 16/12768 useless extension candidates. Maximal degree in co-relation 30368. Up to 7598 conditions per place. [2024-11-10 17:57:14,754 INFO L140 encePairwiseOnDemand]: 48/53 looper letters, 66 selfloop transitions, 1 changer transitions 54/128 dead transitions. [2024-11-10 17:57:14,755 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 128 transitions, 650 flow [2024-11-10 17:57:14,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 17:57:14,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 17:57:14,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 159 transitions. [2024-11-10 17:57:14,756 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5 [2024-11-10 17:57:14,756 INFO L175 Difference]: Start difference. First operand has 66 places, 57 transitions, 186 flow. Second operand 6 states and 159 transitions. [2024-11-10 17:57:14,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 128 transitions, 650 flow [2024-11-10 17:57:14,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 128 transitions, 634 flow, removed 5 selfloop flow, removed 3 redundant places. [2024-11-10 17:57:14,759 INFO L231 Difference]: Finished difference. Result has 70 places, 56 transitions, 183 flow [2024-11-10 17:57:14,759 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=177, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=183, PETRI_PLACES=70, PETRI_TRANSITIONS=56} [2024-11-10 17:57:14,760 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 10 predicate places. [2024-11-10 17:57:14,760 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 56 transitions, 183 flow [2024-11-10 17:57:14,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:14,762 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:14,762 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:57:14,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 17:57:14,762 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:57:14,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:14,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1105381261, now seen corresponding path program 3 times [2024-11-10 17:57:14,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:14,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397847332] [2024-11-10 17:57:14,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:14,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:14,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:15,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:15,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:15,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397847332] [2024-11-10 17:57:15,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397847332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:15,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:15,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 17:57:15,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142881771] [2024-11-10 17:57:15,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:15,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 17:57:15,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:15,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 17:57:15,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 17:57:15,046 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 53 [2024-11-10 17:57:15,046 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 56 transitions, 183 flow. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:15,047 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:15,047 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 53 [2024-11-10 17:57:15,047 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:16,321 INFO L124 PetriNetUnfolderBase]: 9887/13938 cut-off events. [2024-11-10 17:57:16,322 INFO L125 PetriNetUnfolderBase]: For 4713/4713 co-relation queries the response was YES. [2024-11-10 17:57:16,383 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33782 conditions, 13938 events. 9887/13938 cut-off events. For 4713/4713 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 74036 event pairs, 2132 based on Foata normal form. 16/13951 useless extension candidates. Maximal degree in co-relation 33768. Up to 7731 conditions per place. [2024-11-10 17:57:16,404 INFO L140 encePairwiseOnDemand]: 48/53 looper letters, 52 selfloop transitions, 1 changer transitions 56/116 dead transitions. [2024-11-10 17:57:16,404 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 116 transitions, 589 flow [2024-11-10 17:57:16,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 17:57:16,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 17:57:16,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 154 transitions. [2024-11-10 17:57:16,405 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.48427672955974843 [2024-11-10 17:57:16,405 INFO L175 Difference]: Start difference. First operand has 70 places, 56 transitions, 183 flow. Second operand 6 states and 154 transitions. [2024-11-10 17:57:16,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 116 transitions, 589 flow [2024-11-10 17:57:16,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 116 transitions, 576 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-10 17:57:16,415 INFO L231 Difference]: Finished difference. Result has 72 places, 54 transitions, 178 flow [2024-11-10 17:57:16,415 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=178, PETRI_PLACES=72, PETRI_TRANSITIONS=54} [2024-11-10 17:57:16,415 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 12 predicate places. [2024-11-10 17:57:16,416 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 54 transitions, 178 flow [2024-11-10 17:57:16,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:16,416 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:16,416 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:57:16,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 17:57:16,416 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:57:16,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:16,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1923269861, now seen corresponding path program 4 times [2024-11-10 17:57:16,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:16,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991800155] [2024-11-10 17:57:16,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:16,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:17,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:17,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:17,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991800155] [2024-11-10 17:57:17,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991800155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:17,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:17,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 17:57:17,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303939206] [2024-11-10 17:57:17,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:17,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 17:57:17,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:17,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 17:57:17,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-10 17:57:17,922 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 53 [2024-11-10 17:57:17,923 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 54 transitions, 178 flow. Second operand has 10 states, 10 states have (on average 15.1) internal successors, (151), 10 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:17,923 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:17,923 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 53 [2024-11-10 17:57:17,923 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:18,951 INFO L124 PetriNetUnfolderBase]: 7493/10905 cut-off events. [2024-11-10 17:57:18,952 INFO L125 PetriNetUnfolderBase]: For 2928/2928 co-relation queries the response was YES. [2024-11-10 17:57:18,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26652 conditions, 10905 events. 7493/10905 cut-off events. For 2928/2928 co-relation queries the response was YES. Maximal size of possible extension queue 379. Compared 59346 event pairs, 3303 based on Foata normal form. 16/10918 useless extension candidates. Maximal degree in co-relation 26637. Up to 6506 conditions per place. [2024-11-10 17:57:19,009 INFO L140 encePairwiseOnDemand]: 46/53 looper letters, 64 selfloop transitions, 4 changer transitions 28/103 dead transitions. [2024-11-10 17:57:19,009 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 103 transitions, 525 flow [2024-11-10 17:57:19,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 17:57:19,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 17:57:19,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 145 transitions. [2024-11-10 17:57:19,010 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4559748427672956 [2024-11-10 17:57:19,010 INFO L175 Difference]: Start difference. First operand has 72 places, 54 transitions, 178 flow. Second operand 6 states and 145 transitions. [2024-11-10 17:57:19,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 103 transitions, 525 flow [2024-11-10 17:57:19,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 103 transitions, 510 flow, removed 5 selfloop flow, removed 5 redundant places. [2024-11-10 17:57:19,016 INFO L231 Difference]: Finished difference. Result has 72 places, 56 transitions, 194 flow [2024-11-10 17:57:19,016 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=169, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=194, PETRI_PLACES=72, PETRI_TRANSITIONS=56} [2024-11-10 17:57:19,017 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 12 predicate places. [2024-11-10 17:57:19,017 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 56 transitions, 194 flow [2024-11-10 17:57:19,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.1) internal successors, (151), 10 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:19,017 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:19,017 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:57:19,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 17:57:19,018 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:57:19,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:19,018 INFO L85 PathProgramCache]: Analyzing trace with hash -79457189, now seen corresponding path program 5 times [2024-11-10 17:57:19,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:19,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203159180] [2024-11-10 17:57:19,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:19,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:21,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:21,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:21,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203159180] [2024-11-10 17:57:21,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203159180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:21,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:21,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 17:57:21,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5372170] [2024-11-10 17:57:21,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:21,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 17:57:21,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:21,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 17:57:21,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-10 17:57:21,198 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 53 [2024-11-10 17:57:21,199 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 56 transitions, 194 flow. Second operand has 12 states, 12 states have (on average 14.583333333333334) internal successors, (175), 12 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:57:21,199 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:21,199 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 53 [2024-11-10 17:57:21,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand