./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/mix017_pso.opt_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-wmm/mix017_pso.opt_tso.opt.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 39f434d3f7e7749f4257e03557066c1349e963b1d489e771c14fc3ff33c9a6c7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 08:16:22,264 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 08:16:22,330 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-02-08 08:16:22,339 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 08:16:22,341 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 08:16:22,376 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 08:16:22,376 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 08:16:22,376 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 08:16:22,377 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 08:16:22,377 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 08:16:22,377 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 08:16:22,377 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 08:16:22,377 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 08:16:22,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 08:16:22,378 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 08:16:22,378 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 08:16:22,378 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 08:16:22,378 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 08:16:22,378 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 08:16:22,378 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 08:16:22,378 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 08:16:22,378 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 08:16:22,378 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-02-08 08:16:22,378 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 08:16:22,378 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 08:16:22,381 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 08:16:22,381 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 08:16:22,381 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 08:16:22,381 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 08:16:22,381 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 08:16:22,381 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 08:16:22,381 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 08:16:22,381 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 08:16:22,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:16:22,382 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 08:16:22,382 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 08:16:22,382 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 08:16:22,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 08:16:22,382 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 08:16:22,382 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 08:16:22,382 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 08:16:22,382 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 08:16:22,382 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 39f434d3f7e7749f4257e03557066c1349e963b1d489e771c14fc3ff33c9a6c7 [2025-02-08 08:16:22,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 08:16:22,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 08:16:22,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 08:16:22,759 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 08:16:22,760 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 08:16:22,762 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix017_pso.opt_tso.opt.i [2025-02-08 08:16:24,081 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5f2b32ea2/7021f82899db486199e37e127959d8dc/FLAG87ecbeb97 [2025-02-08 08:16:24,408 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 08:16:24,410 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix017_pso.opt_tso.opt.i [2025-02-08 08:16:24,425 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5f2b32ea2/7021f82899db486199e37e127959d8dc/FLAG87ecbeb97 [2025-02-08 08:16:24,441 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5f2b32ea2/7021f82899db486199e37e127959d8dc [2025-02-08 08:16:24,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 08:16:24,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 08:16:24,447 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 08:16:24,447 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 08:16:24,451 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 08:16:24,452 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:16:24" (1/1) ... [2025-02-08 08:16:24,454 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62dc8d35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:16:24, skipping insertion in model container [2025-02-08 08:16:24,454 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:16:24" (1/1) ... [2025-02-08 08:16:24,484 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 08:16:24,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:16:24,887 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 08:16:24,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:16:25,018 INFO L204 MainTranslator]: Completed translation [2025-02-08 08:16:25,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:16:25 WrapperNode [2025-02-08 08:16:25,020 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 08:16:25,021 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 08:16:25,021 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 08:16:25,021 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 08:16:25,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:16:25" (1/1) ... [2025-02-08 08:16:25,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:16:25" (1/1) ... [2025-02-08 08:16:25,077 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 155 [2025-02-08 08:16:25,078 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 08:16:25,078 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 08:16:25,078 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 08:16:25,079 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 08:16:25,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:16:25" (1/1) ... [2025-02-08 08:16:25,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:16:25" (1/1) ... [2025-02-08 08:16:25,093 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:16:25" (1/1) ... [2025-02-08 08:16:25,108 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]. [2025-02-08 08:16:25,109 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:16:25" (1/1) ... [2025-02-08 08:16:25,109 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:16:25" (1/1) ... [2025-02-08 08:16:25,120 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:16:25" (1/1) ... [2025-02-08 08:16:25,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:16:25" (1/1) ... [2025-02-08 08:16:25,123 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:16:25" (1/1) ... [2025-02-08 08:16:25,124 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:16:25" (1/1) ... [2025-02-08 08:16:25,127 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 08:16:25,128 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 08:16:25,128 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 08:16:25,128 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 08:16:25,129 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:16:25" (1/1) ... [2025-02-08 08:16:25,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:16:25,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:16:25,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 08:16:25,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 08:16:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-08 08:16:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 08:16:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-02-08 08:16:25,196 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-02-08 08:16:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-02-08 08:16:25,197 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-02-08 08:16:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-02-08 08:16:25,198 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-02-08 08:16:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2025-02-08 08:16:25,198 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2025-02-08 08:16:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 08:16:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-08 08:16:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 08:16:25,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 08:16:25,200 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 08:16:25,347 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 08:16:25,348 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 08:16:25,716 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 08:16:25,717 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 08:16:25,992 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 08:16:25,992 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 08:16:25,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:16:25 BoogieIcfgContainer [2025-02-08 08:16:25,993 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 08:16:25,995 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 08:16:25,996 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 08:16:26,002 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 08:16:26,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 08:16:24" (1/3) ... [2025-02-08 08:16:26,003 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21db1d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:16:26, skipping insertion in model container [2025-02-08 08:16:26,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:16:25" (2/3) ... [2025-02-08 08:16:26,003 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21db1d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:16:26, skipping insertion in model container [2025-02-08 08:16:26,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:16:25" (3/3) ... [2025-02-08 08:16:26,004 INFO L128 eAbstractionObserver]: Analyzing ICFG mix017_pso.opt_tso.opt.i [2025-02-08 08:16:26,024 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 08:16:26,025 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix017_pso.opt_tso.opt.i that has 5 procedures, 53 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2025-02-08 08:16:26,025 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 08:16:26,089 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 08:16:26,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 54 transitions, 124 flow [2025-02-08 08:16:26,162 INFO L124 PetriNetUnfolderBase]: 2/50 cut-off events. [2025-02-08 08:16:26,165 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 08:16:26,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 50 events. 2/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 108 event pairs, 0 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2025-02-08 08:16:26,172 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 54 transitions, 124 flow [2025-02-08 08:16:26,176 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 61 places, 50 transitions, 112 flow [2025-02-08 08:16:26,184 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 08:16:26,198 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;@33a1671, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 08:16:26,200 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-02-08 08:16:26,213 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 08:16:26,214 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2025-02-08 08:16:26,215 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 08:16:26,215 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:16:26,216 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:16:26,216 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P3Err0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2025-02-08 08:16:26,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:16:26,222 INFO L85 PathProgramCache]: Analyzing trace with hash -390722744, now seen corresponding path program 1 times [2025-02-08 08:16:26,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:16:26,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575017698] [2025-02-08 08:16:26,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:16:26,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:16:26,310 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-08 08:16:26,370 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-08 08:16:26,371 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:16:26,371 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:16:26,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:16:26,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:16:26,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575017698] [2025-02-08 08:16:26,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575017698] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:16:26,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:16:26,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 08:16:26,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443836904] [2025-02-08 08:16:26,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:16:26,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:16:26,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:16:26,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:16:26,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:16:26,827 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 54 [2025-02-08 08:16:26,829 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 50 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2025-02-08 08:16:26,829 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:16:26,829 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 54 [2025-02-08 08:16:26,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:16:32,141 INFO L124 PetriNetUnfolderBase]: 50459/67007 cut-off events. [2025-02-08 08:16:32,141 INFO L125 PetriNetUnfolderBase]: For 230/230 co-relation queries the response was YES. [2025-02-08 08:16:32,285 INFO L83 FinitePrefix]: Finished finitePrefix Result has 133627 conditions, 67007 events. 50459/67007 cut-off events. For 230/230 co-relation queries the response was YES. Maximal size of possible extension queue 1938. Compared 394110 event pairs, 6395 based on Foata normal form. 3024/69960 useless extension candidates. Maximal degree in co-relation 133615. Up to 57025 conditions per place. [2025-02-08 08:16:32,571 INFO L140 encePairwiseOnDemand]: 49/54 looper letters, 58 selfloop transitions, 2 changer transitions 2/70 dead transitions. [2025-02-08 08:16:32,571 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 70 transitions, 276 flow [2025-02-08 08:16:32,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 08:16:32,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 08:16:32,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 103 transitions. [2025-02-08 08:16:32,582 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6358024691358025 [2025-02-08 08:16:32,584 INFO L175 Difference]: Start difference. First operand has 61 places, 50 transitions, 112 flow. Second operand 3 states and 103 transitions. [2025-02-08 08:16:32,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 70 transitions, 276 flow [2025-02-08 08:16:32,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 70 transitions, 272 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-02-08 08:16:32,594 INFO L231 Difference]: Finished difference. Result has 57 places, 45 transitions, 102 flow [2025-02-08 08:16:32,596 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=57, PETRI_TRANSITIONS=45} [2025-02-08 08:16:32,599 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, -4 predicate places. [2025-02-08 08:16:32,600 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 45 transitions, 102 flow [2025-02-08 08:16:32,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2025-02-08 08:16:32,600 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:16:32,600 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:16:32,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 08:16:32,601 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2025-02-08 08:16:32,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:16:32,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1351142969, now seen corresponding path program 1 times [2025-02-08 08:16:32,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:16:32,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563005711] [2025-02-08 08:16:32,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:16:32,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:16:32,624 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-08 08:16:32,639 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-08 08:16:32,639 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:16:32,639 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:16:32,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:16:32,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:16:32,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563005711] [2025-02-08 08:16:32,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563005711] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:16:32,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:16:32,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 08:16:32,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340797666] [2025-02-08 08:16:32,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:16:32,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:16:32,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:16:32,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:16:32,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:16:32,707 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 54 [2025-02-08 08:16:32,707 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 45 transitions, 102 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) [2025-02-08 08:16:32,708 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:16:32,708 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 54 [2025-02-08 08:16:32,708 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:16:36,671 INFO L124 PetriNetUnfolderBase]: 45383/63227 cut-off events. [2025-02-08 08:16:36,671 INFO L125 PetriNetUnfolderBase]: For 1944/1944 co-relation queries the response was YES. [2025-02-08 08:16:36,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125201 conditions, 63227 events. 45383/63227 cut-off events. For 1944/1944 co-relation queries the response was YES. Maximal size of possible extension queue 1946. Compared 408701 event pairs, 45383 based on Foata normal form. 1512/64452 useless extension candidates. Maximal degree in co-relation 125191. Up to 59508 conditions per place. [2025-02-08 08:16:37,052 INFO L140 encePairwiseOnDemand]: 52/54 looper letters, 35 selfloop transitions, 1 changer transitions 1/44 dead transitions. [2025-02-08 08:16:37,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 44 transitions, 174 flow [2025-02-08 08:16:37,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 08:16:37,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 08:16:37,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 71 transitions. [2025-02-08 08:16:37,054 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4382716049382716 [2025-02-08 08:16:37,054 INFO L175 Difference]: Start difference. First operand has 57 places, 45 transitions, 102 flow. Second operand 3 states and 71 transitions. [2025-02-08 08:16:37,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 44 transitions, 174 flow [2025-02-08 08:16:37,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 44 transitions, 170 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 08:16:37,080 INFO L231 Difference]: Finished difference. Result has 55 places, 43 transitions, 96 flow [2025-02-08 08:16:37,080 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=55, PETRI_TRANSITIONS=43} [2025-02-08 08:16:37,081 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, -6 predicate places. [2025-02-08 08:16:37,081 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 43 transitions, 96 flow [2025-02-08 08:16:37,081 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) [2025-02-08 08:16:37,081 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:16:37,081 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:16:37,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 08:16:37,082 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2025-02-08 08:16:37,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:16:37,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1351143168, now seen corresponding path program 1 times [2025-02-08 08:16:37,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:16:37,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530238203] [2025-02-08 08:16:37,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:16:37,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:16:37,100 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-08 08:16:37,115 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-08 08:16:37,118 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:16:37,118 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:16:37,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:16:37,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:16:37,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530238203] [2025-02-08 08:16:37,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530238203] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:16:37,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:16:37,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 08:16:37,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271654976] [2025-02-08 08:16:37,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:16:37,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 08:16:37,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:16:37,401 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 08:16:37,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 08:16:37,404 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 54 [2025-02-08 08:16:37,404 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 43 transitions, 96 flow. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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) [2025-02-08 08:16:37,405 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:16:37,405 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 54 [2025-02-08 08:16:37,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:16:42,423 INFO L124 PetriNetUnfolderBase]: 58859/80463 cut-off events. [2025-02-08 08:16:42,423 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 08:16:42,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 158441 conditions, 80463 events. 58859/80463 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2463. Compared 515192 event pairs, 29911 based on Foata normal form. 0/78952 useless extension candidates. Maximal degree in co-relation 158435. Up to 52393 conditions per place. [2025-02-08 08:16:42,879 INFO L140 encePairwiseOnDemand]: 45/54 looper letters, 49 selfloop transitions, 5 changer transitions 85/145 dead transitions. [2025-02-08 08:16:42,879 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 145 transitions, 584 flow [2025-02-08 08:16:42,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 08:16:42,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-02-08 08:16:42,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 229 transitions. [2025-02-08 08:16:42,882 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5300925925925926 [2025-02-08 08:16:42,882 INFO L175 Difference]: Start difference. First operand has 55 places, 43 transitions, 96 flow. Second operand 8 states and 229 transitions. [2025-02-08 08:16:42,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 145 transitions, 584 flow [2025-02-08 08:16:42,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 145 transitions, 583 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-08 08:16:42,888 INFO L231 Difference]: Finished difference. Result has 65 places, 46 transitions, 150 flow [2025-02-08 08:16:42,888 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=150, PETRI_PLACES=65, PETRI_TRANSITIONS=46} [2025-02-08 08:16:42,889 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 4 predicate places. [2025-02-08 08:16:42,889 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 46 transitions, 150 flow [2025-02-08 08:16:42,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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) [2025-02-08 08:16:42,889 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:16:42,890 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:16:42,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 08:16:42,890 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2025-02-08 08:16:42,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:16:42,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1318719724, now seen corresponding path program 1 times [2025-02-08 08:16:42,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:16:42,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583738504] [2025-02-08 08:16:42,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:16:42,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:16:42,904 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-08 08:16:42,920 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 08:16:42,921 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:16:42,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:16:43,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:16:43,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:16:43,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583738504] [2025-02-08 08:16:43,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583738504] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:16:43,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:16:43,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 08:16:43,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430713511] [2025-02-08 08:16:43,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:16:43,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:16:43,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:16:43,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:16:43,190 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:16:43,193 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 54 [2025-02-08 08:16:43,193 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 46 transitions, 150 flow. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:16:43,193 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:16:43,194 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 54 [2025-02-08 08:16:43,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:16:47,670 INFO L124 PetriNetUnfolderBase]: 44451/60879 cut-off events. [2025-02-08 08:16:47,671 INFO L125 PetriNetUnfolderBase]: For 46046/46046 co-relation queries the response was YES. [2025-02-08 08:16:47,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154067 conditions, 60879 events. 44451/60879 cut-off events. For 46046/46046 co-relation queries the response was YES. Maximal size of possible extension queue 1796. Compared 374198 event pairs, 9363 based on Foata normal form. 1456/62294 useless extension candidates. Maximal degree in co-relation 154055. Up to 37153 conditions per place. [2025-02-08 08:16:48,081 INFO L140 encePairwiseOnDemand]: 49/54 looper letters, 56 selfloop transitions, 3 changer transitions 75/140 dead transitions. [2025-02-08 08:16:48,081 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 140 transitions, 718 flow [2025-02-08 08:16:48,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 08:16:48,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-02-08 08:16:48,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 209 transitions. [2025-02-08 08:16:48,083 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5529100529100529 [2025-02-08 08:16:48,084 INFO L175 Difference]: Start difference. First operand has 65 places, 46 transitions, 150 flow. Second operand 7 states and 209 transitions. [2025-02-08 08:16:48,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 140 transitions, 718 flow [2025-02-08 08:16:49,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 140 transitions, 705 flow, removed 4 selfloop flow, removed 3 redundant places. [2025-02-08 08:16:49,270 INFO L231 Difference]: Finished difference. Result has 67 places, 46 transitions, 160 flow [2025-02-08 08:16:49,270 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=141, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=160, PETRI_PLACES=67, PETRI_TRANSITIONS=46} [2025-02-08 08:16:49,271 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 6 predicate places. [2025-02-08 08:16:49,271 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 46 transitions, 160 flow [2025-02-08 08:16:49,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:16:49,271 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:16:49,271 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:16:49,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 08:16:49,271 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2025-02-08 08:16:49,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:16:49,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1381848606, now seen corresponding path program 1 times [2025-02-08 08:16:49,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:16:49,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539187118] [2025-02-08 08:16:49,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:16:49,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:16:49,284 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-08 08:16:49,331 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 08:16:49,332 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:16:49,332 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:16:49,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:16:49,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:16:49,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539187118] [2025-02-08 08:16:49,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539187118] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:16:49,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:16:49,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 08:16:49,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662343304] [2025-02-08 08:16:49,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:16:49,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:16:49,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:16:49,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:16:49,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:16:49,698 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 54 [2025-02-08 08:16:49,698 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 46 transitions, 160 flow. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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) [2025-02-08 08:16:49,698 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:16:49,698 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 54 [2025-02-08 08:16:49,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:16:52,781 INFO L124 PetriNetUnfolderBase]: 33511/46611 cut-off events. [2025-02-08 08:16:52,781 INFO L125 PetriNetUnfolderBase]: For 42874/42874 co-relation queries the response was YES. [2025-02-08 08:16:52,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120049 conditions, 46611 events. 33511/46611 cut-off events. For 42874/42874 co-relation queries the response was YES. Maximal size of possible extension queue 1351. Compared 290308 event pairs, 4023 based on Foata normal form. 1512/48092 useless extension candidates. Maximal degree in co-relation 120033. Up to 26017 conditions per place. [2025-02-08 08:16:53,134 INFO L140 encePairwiseOnDemand]: 47/54 looper letters, 79 selfloop transitions, 6 changer transitions 1/92 dead transitions. [2025-02-08 08:16:53,134 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 92 transitions, 484 flow [2025-02-08 08:16:53,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:16:53,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-08 08:16:53,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 132 transitions. [2025-02-08 08:16:53,136 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6111111111111112 [2025-02-08 08:16:53,136 INFO L175 Difference]: Start difference. First operand has 67 places, 46 transitions, 160 flow. Second operand 4 states and 132 transitions. [2025-02-08 08:16:53,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 92 transitions, 484 flow [2025-02-08 08:16:53,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 92 transitions, 466 flow, removed 4 selfloop flow, removed 6 redundant places. [2025-02-08 08:16:53,323 INFO L231 Difference]: Finished difference. Result has 62 places, 50 transitions, 188 flow [2025-02-08 08:16:53,323 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=188, PETRI_PLACES=62, PETRI_TRANSITIONS=50} [2025-02-08 08:16:53,324 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 1 predicate places. [2025-02-08 08:16:53,324 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 50 transitions, 188 flow [2025-02-08 08:16:53,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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) [2025-02-08 08:16:53,324 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:16:53,324 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:16:53,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 08:16:53,325 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2025-02-08 08:16:53,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:16:53,325 INFO L85 PathProgramCache]: Analyzing trace with hash 723722272, now seen corresponding path program 1 times [2025-02-08 08:16:53,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:16:53,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119453863] [2025-02-08 08:16:53,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:16:53,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:16:53,344 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-08 08:16:53,426 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-08 08:16:53,427 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:16:53,427 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:16:53,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:16:53,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:16:53,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119453863] [2025-02-08 08:16:53,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119453863] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:16:53,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:16:53,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 08:16:53,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599424097] [2025-02-08 08:16:53,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:16:53,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 08:16:53,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:16:53,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 08:16:53,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 08:16:53,686 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 54 [2025-02-08 08:16:53,686 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 50 transitions, 188 flow. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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) [2025-02-08 08:16:53,686 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:16:53,686 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 54 [2025-02-08 08:16:53,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:16:55,577 INFO L124 PetriNetUnfolderBase]: 22087/30963 cut-off events. [2025-02-08 08:16:55,578 INFO L125 PetriNetUnfolderBase]: For 27938/27938 co-relation queries the response was YES. [2025-02-08 08:16:55,689 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84487 conditions, 30963 events. 22087/30963 cut-off events. For 27938/27938 co-relation queries the response was YES. Maximal size of possible extension queue 774. Compared 182471 event pairs, 2295 based on Foata normal form. 1192/32124 useless extension candidates. Maximal degree in co-relation 84473. Up to 12193 conditions per place. [2025-02-08 08:16:55,788 INFO L140 encePairwiseOnDemand]: 47/54 looper letters, 101 selfloop transitions, 10 changer transitions 1/118 dead transitions. [2025-02-08 08:16:55,788 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 118 transitions, 652 flow [2025-02-08 08:16:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 08:16:55,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-02-08 08:16:55,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 170 transitions. [2025-02-08 08:16:55,790 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6296296296296297 [2025-02-08 08:16:55,790 INFO L175 Difference]: Start difference. First operand has 62 places, 50 transitions, 188 flow. Second operand 5 states and 170 transitions. [2025-02-08 08:16:55,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 118 transitions, 652 flow [2025-02-08 08:16:55,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 118 transitions, 641 flow, removed 1 selfloop flow, removed 2 redundant places. [2025-02-08 08:16:55,799 INFO L231 Difference]: Finished difference. Result has 66 places, 54 transitions, 240 flow [2025-02-08 08:16:55,799 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=240, PETRI_PLACES=66, PETRI_TRANSITIONS=54} [2025-02-08 08:16:55,800 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 5 predicate places. [2025-02-08 08:16:55,800 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 54 transitions, 240 flow [2025-02-08 08:16:55,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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) [2025-02-08 08:16:55,800 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:16:55,800 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:16:55,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 08:16:55,800 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2025-02-08 08:16:55,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:16:55,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1486468211, now seen corresponding path program 1 times [2025-02-08 08:16:55,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:16:55,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59213969] [2025-02-08 08:16:55,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:16:55,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:16:55,812 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-08 08:16:55,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-08 08:16:55,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:16:55,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:16:56,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:16:56,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:16:56,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59213969] [2025-02-08 08:16:56,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59213969] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:16:56,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:16:56,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 08:16:56,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738157534] [2025-02-08 08:16:56,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:16:56,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:16:56,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:16:56,357 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:16:56,357 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:16:56,359 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 54 [2025-02-08 08:16:56,359 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 54 transitions, 240 flow. Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 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) [2025-02-08 08:16:56,360 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:16:56,360 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 54 [2025-02-08 08:16:56,360 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:16:59,392 INFO L124 PetriNetUnfolderBase]: 29427/40994 cut-off events. [2025-02-08 08:16:59,393 INFO L125 PetriNetUnfolderBase]: For 47861/47861 co-relation queries the response was YES. [2025-02-08 08:16:59,783 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119238 conditions, 40994 events. 29427/40994 cut-off events. For 47861/47861 co-relation queries the response was YES. Maximal size of possible extension queue 1011. Compared 245771 event pairs, 7687 based on Foata normal form. 368/41351 useless extension candidates. Maximal degree in co-relation 119222. Up to 22186 conditions per place. [2025-02-08 08:16:59,865 INFO L140 encePairwiseOnDemand]: 49/54 looper letters, 103 selfloop transitions, 2 changer transitions 48/159 dead transitions. [2025-02-08 08:16:59,866 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 159 transitions, 1024 flow [2025-02-08 08:16:59,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 08:16:59,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-08 08:16:59,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 191 transitions. [2025-02-08 08:16:59,867 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5895061728395061 [2025-02-08 08:16:59,867 INFO L175 Difference]: Start difference. First operand has 66 places, 54 transitions, 240 flow. Second operand 6 states and 191 transitions. [2025-02-08 08:16:59,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 159 transitions, 1024 flow [2025-02-08 08:16:59,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 159 transitions, 952 flow, removed 14 selfloop flow, removed 4 redundant places. [2025-02-08 08:16:59,965 INFO L231 Difference]: Finished difference. Result has 71 places, 55 transitions, 230 flow [2025-02-08 08:16:59,965 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=213, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=230, PETRI_PLACES=71, PETRI_TRANSITIONS=55} [2025-02-08 08:16:59,966 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 10 predicate places. [2025-02-08 08:16:59,966 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 55 transitions, 230 flow [2025-02-08 08:16:59,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 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) [2025-02-08 08:16:59,966 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:16:59,966 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:16:59,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 08:16:59,966 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2025-02-08 08:16:59,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:16:59,967 INFO L85 PathProgramCache]: Analyzing trace with hash -2493313, now seen corresponding path program 2 times [2025-02-08 08:16:59,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:16:59,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260786295] [2025-02-08 08:16:59,967 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:16:59,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:16:59,979 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 28 statements into 1 equivalence classes. [2025-02-08 08:17:00,039 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-08 08:17:00,040 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 08:17:00,040 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:17:00,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:17:00,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:17:00,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260786295] [2025-02-08 08:17:00,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260786295] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:17:00,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:17:00,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 08:17:00,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670951333] [2025-02-08 08:17:00,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:17:00,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:17:00,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:17:00,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:17:00,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:17:00,261 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 54 [2025-02-08 08:17:00,262 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 55 transitions, 230 flow. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:17:00,262 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:17:00,262 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 54 [2025-02-08 08:17:00,262 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:17:02,024 INFO L124 PetriNetUnfolderBase]: 19367/26987 cut-off events. [2025-02-08 08:17:02,025 INFO L125 PetriNetUnfolderBase]: For 32278/32278 co-relation queries the response was YES. [2025-02-08 08:17:02,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76573 conditions, 26987 events. 19367/26987 cut-off events. For 32278/32278 co-relation queries the response was YES. Maximal size of possible extension queue 702. Compared 152763 event pairs, 2503 based on Foata normal form. 952/27908 useless extension candidates. Maximal degree in co-relation 76555. Up to 8144 conditions per place. [2025-02-08 08:17:02,209 INFO L140 encePairwiseOnDemand]: 47/54 looper letters, 120 selfloop transitions, 14 changer transitions 5/145 dead transitions. [2025-02-08 08:17:02,209 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 145 transitions, 865 flow [2025-02-08 08:17:02,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 08:17:02,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-08 08:17:02,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 206 transitions. [2025-02-08 08:17:02,210 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6358024691358025 [2025-02-08 08:17:02,210 INFO L175 Difference]: Start difference. First operand has 71 places, 55 transitions, 230 flow. Second operand 6 states and 206 transitions. [2025-02-08 08:17:02,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 145 transitions, 865 flow [2025-02-08 08:17:02,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 145 transitions, 856 flow, removed 2 selfloop flow, removed 3 redundant places. [2025-02-08 08:17:02,234 INFO L231 Difference]: Finished difference. Result has 73 places, 59 transitions, 302 flow [2025-02-08 08:17:02,234 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=302, PETRI_PLACES=73, PETRI_TRANSITIONS=59} [2025-02-08 08:17:02,235 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 12 predicate places. [2025-02-08 08:17:02,235 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 59 transitions, 302 flow [2025-02-08 08:17:02,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:17:02,235 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:17:02,235 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:17:02,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 08:17:02,235 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2025-02-08 08:17:02,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:17:02,236 INFO L85 PathProgramCache]: Analyzing trace with hash -279747576, now seen corresponding path program 1 times [2025-02-08 08:17:02,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:17:02,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617968585] [2025-02-08 08:17:02,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:17:02,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:17:02,244 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-08 08:17:02,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 08:17:02,264 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:17:02,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:17:02,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:17:02,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:17:02,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617968585] [2025-02-08 08:17:02,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617968585] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:17:02,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:17:02,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 08:17:02,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129699045] [2025-02-08 08:17:02,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:17:02,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:17:02,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:17:02,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:17:02,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:17:02,468 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 54 [2025-02-08 08:17:02,469 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 59 transitions, 302 flow. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 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) [2025-02-08 08:17:02,470 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:17:02,470 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 54 [2025-02-08 08:17:02,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand