./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/mix008.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c00e63dc 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/mix008.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 0e3ed0a0904abf0f880f0f4cc8dc485f79821c4ff1d089df229be68889497ed8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 12:39:04,110 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 12:39:04,150 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-02-06 12:39:04,154 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 12:39:04,154 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 12:39:04,169 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 12:39:04,170 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 12:39:04,170 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 12:39:04,170 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 12:39:04,171 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 12:39:04,171 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 12:39:04,171 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 12:39:04,171 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 12:39:04,171 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 12:39:04,171 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 12:39:04,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 12:39:04,171 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 12:39:04,171 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 12:39:04,172 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 12:39:04,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 12:39:04,172 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-06 12:39:04,172 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-06 12:39:04,172 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-02-06 12:39:04,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 12:39:04,172 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 12:39:04,172 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 12:39:04,172 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 12:39:04,172 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 12:39:04,172 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 12:39:04,172 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 12:39:04,172 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 12:39:04,172 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 12:39:04,173 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 12:39:04,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 12:39:04,173 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 12:39:04,173 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 12:39:04,173 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 12:39:04,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 12:39:04,173 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 12:39:04,173 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 12:39:04,173 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 12:39:04,173 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 12:39:04,173 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 -> 0e3ed0a0904abf0f880f0f4cc8dc485f79821c4ff1d089df229be68889497ed8 [2025-02-06 12:39:04,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 12:39:04,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 12:39:04,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 12:39:04,391 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 12:39:04,392 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 12:39:04,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix008.opt.i [2025-02-06 12:39:05,577 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f2df8081c/8c9c00377804462a8066c1fb2c8611a0/FLAG7d76104be [2025-02-06 12:39:05,892 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 12:39:05,895 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix008.opt.i [2025-02-06 12:39:05,912 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f2df8081c/8c9c00377804462a8066c1fb2c8611a0/FLAG7d76104be [2025-02-06 12:39:06,166 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f2df8081c/8c9c00377804462a8066c1fb2c8611a0 [2025-02-06 12:39:06,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 12:39:06,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 12:39:06,170 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 12:39:06,170 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 12:39:06,177 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 12:39:06,181 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:39:06" (1/1) ... [2025-02-06 12:39:06,182 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cd58d0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:39:06, skipping insertion in model container [2025-02-06 12:39:06,182 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:39:06" (1/1) ... [2025-02-06 12:39:06,217 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 12:39:06,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 12:39:06,570 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 12:39:06,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 12:39:06,654 INFO L204 MainTranslator]: Completed translation [2025-02-06 12:39:06,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:39:06 WrapperNode [2025-02-06 12:39:06,655 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 12:39:06,656 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 12:39:06,656 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 12:39:06,656 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 12:39:06,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:39:06" (1/1) ... [2025-02-06 12:39:06,680 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:39:06" (1/1) ... [2025-02-06 12:39:06,714 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 154 [2025-02-06 12:39:06,718 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 12:39:06,719 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 12:39:06,719 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 12:39:06,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 12:39:06,725 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:39:06" (1/1) ... [2025-02-06 12:39:06,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:39:06" (1/1) ... [2025-02-06 12:39:06,734 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:39:06" (1/1) ... [2025-02-06 12:39:06,757 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]. [2025-02-06 12:39:06,757 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:39:06" (1/1) ... [2025-02-06 12:39:06,757 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:39:06" (1/1) ... [2025-02-06 12:39:06,770 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:39:06" (1/1) ... [2025-02-06 12:39:06,771 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:39:06" (1/1) ... [2025-02-06 12:39:06,772 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:39:06" (1/1) ... [2025-02-06 12:39:06,773 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:39:06" (1/1) ... [2025-02-06 12:39:06,778 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 12:39:06,779 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 12:39:06,779 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 12:39:06,779 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 12:39:06,784 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:39:06" (1/1) ... [2025-02-06 12:39:06,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 12:39:06,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 12:39:06,831 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) [2025-02-06 12:39:06,836 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 [2025-02-06 12:39:06,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-06 12:39:06,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 12:39:06,854 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-02-06 12:39:06,854 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-02-06 12:39:06,854 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-02-06 12:39:06,854 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-02-06 12:39:06,854 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-02-06 12:39:06,854 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-02-06 12:39:06,854 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2025-02-06 12:39:06,854 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2025-02-06 12:39:06,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 12:39:06,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-06 12:39:06,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 12:39:06,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 12:39:06,855 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-06 12:39:06,973 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 12:39:06,974 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 12:39:07,267 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 12:39:07,267 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 12:39:07,550 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 12:39:07,550 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 12:39:07,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:39:07 BoogieIcfgContainer [2025-02-06 12:39:07,551 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 12:39:07,553 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 12:39:07,553 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 12:39:07,556 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 12:39:07,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 12:39:06" (1/3) ... [2025-02-06 12:39:07,558 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46bc57a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:39:07, skipping insertion in model container [2025-02-06 12:39:07,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:39:06" (2/3) ... [2025-02-06 12:39:07,558 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46bc57a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:39:07, skipping insertion in model container [2025-02-06 12:39:07,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:39:07" (3/3) ... [2025-02-06 12:39:07,559 INFO L128 eAbstractionObserver]: Analyzing ICFG mix008.opt.i [2025-02-06 12:39:07,574 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 12:39:07,575 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix008.opt.i that has 5 procedures, 54 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2025-02-06 12:39:07,575 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 12:39:07,630 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-06 12:39:07,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 66 places, 55 transitions, 126 flow [2025-02-06 12:39:07,694 INFO L124 PetriNetUnfolderBase]: 2/51 cut-off events. [2025-02-06 12:39:07,695 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 12:39:07,699 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 51 events. 2/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 106 event pairs, 0 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2025-02-06 12:39:07,703 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 55 transitions, 126 flow [2025-02-06 12:39:07,705 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 62 places, 51 transitions, 114 flow [2025-02-06 12:39:07,715 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 12:39:07,726 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;@23fabafc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 12:39:07,727 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-02-06 12:39:07,740 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 12:39:07,741 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2025-02-06 12:39:07,741 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 12:39:07,741 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:39:07,742 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 12:39:07,743 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P3Err0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2025-02-06 12:39:07,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:39:07,748 INFO L85 PathProgramCache]: Analyzing trace with hash 561873541, now seen corresponding path program 1 times [2025-02-06 12:39:07,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:39:07,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874538601] [2025-02-06 12:39:07,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:39:07,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:39:07,834 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-06 12:39:07,874 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-06 12:39:07,874 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:39:07,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:39:08,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:39:08,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:39:08,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874538601] [2025-02-06 12:39:08,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874538601] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:39:08,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:39:08,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-06 12:39:08,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746238101] [2025-02-06 12:39:08,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:39:08,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 12:39:08,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:39:08,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 12:39:08,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 12:39:08,319 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 55 [2025-02-06 12:39:08,321 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 51 transitions, 114 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) [2025-02-06 12:39:08,321 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:39:08,321 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 55 [2025-02-06 12:39:08,321 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:39:13,443 INFO L124 PetriNetUnfolderBase]: 59279/78563 cut-off events. [2025-02-06 12:39:13,443 INFO L125 PetriNetUnfolderBase]: For 266/266 co-relation queries the response was YES. [2025-02-06 12:39:13,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 156667 conditions, 78563 events. 59279/78563 cut-off events. For 266/266 co-relation queries the response was YES. Maximal size of possible extension queue 2191. Compared 469616 event pairs, 7511 based on Foata normal form. 3528/82066 useless extension candidates. Maximal degree in co-relation 156655. Up to 66889 conditions per place. [2025-02-06 12:39:13,837 INFO L140 encePairwiseOnDemand]: 50/55 looper letters, 60 selfloop transitions, 2 changer transitions 2/72 dead transitions. [2025-02-06 12:39:13,838 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 72 transitions, 284 flow [2025-02-06 12:39:13,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 12:39:13,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 12:39:13,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 105 transitions. [2025-02-06 12:39:13,846 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6363636363636364 [2025-02-06 12:39:13,847 INFO L175 Difference]: Start difference. First operand has 62 places, 51 transitions, 114 flow. Second operand 3 states and 105 transitions. [2025-02-06 12:39:13,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 72 transitions, 284 flow [2025-02-06 12:39:13,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 72 transitions, 280 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-02-06 12:39:13,855 INFO L231 Difference]: Finished difference. Result has 58 places, 46 transitions, 104 flow [2025-02-06 12:39:13,857 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=58, PETRI_TRANSITIONS=46} [2025-02-06 12:39:13,859 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, -4 predicate places. [2025-02-06 12:39:13,859 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 46 transitions, 104 flow [2025-02-06 12:39:13,859 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) [2025-02-06 12:39:13,859 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:39:13,859 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 12:39:13,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 12:39:13,860 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2025-02-06 12:39:13,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:39:13,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1119992892, now seen corresponding path program 1 times [2025-02-06 12:39:13,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:39:13,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059916181] [2025-02-06 12:39:13,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:39:13,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:39:13,871 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-06 12:39:13,878 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 12:39:13,878 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:39:13,878 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:39:13,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:39:13,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:39:13,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059916181] [2025-02-06 12:39:13,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059916181] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:39:13,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:39:13,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-06 12:39:13,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432053221] [2025-02-06 12:39:13,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:39:13,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 12:39:13,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:39:13,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 12:39:13,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 12:39:13,916 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 55 [2025-02-06 12:39:13,916 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 46 transitions, 104 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) [2025-02-06 12:39:13,916 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:39:13,916 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 55 [2025-02-06 12:39:13,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:39:18,117 INFO L124 PetriNetUnfolderBase]: 53315/74867 cut-off events. [2025-02-06 12:39:18,118 INFO L125 PetriNetUnfolderBase]: For 2268/2268 co-relation queries the response was YES. [2025-02-06 12:39:18,261 INFO L83 FinitePrefix]: Finished finitePrefix Result has 147509 conditions, 74867 events. 53315/74867 cut-off events. For 2268/2268 co-relation queries the response was YES. Maximal size of possible extension queue 2220. Compared 498299 event pairs, 53315 based on Foata normal form. 1764/76354 useless extension candidates. Maximal degree in co-relation 147499. Up to 69780 conditions per place. [2025-02-06 12:39:18,459 INFO L140 encePairwiseOnDemand]: 53/55 looper letters, 36 selfloop transitions, 1 changer transitions 1/45 dead transitions. [2025-02-06 12:39:18,460 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 45 transitions, 178 flow [2025-02-06 12:39:18,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 12:39:18,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 12:39:18,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 72 transitions. [2025-02-06 12:39:18,461 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.43636363636363634 [2025-02-06 12:39:18,461 INFO L175 Difference]: Start difference. First operand has 58 places, 46 transitions, 104 flow. Second operand 3 states and 72 transitions. [2025-02-06 12:39:18,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 45 transitions, 178 flow [2025-02-06 12:39:18,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 45 transitions, 174 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 12:39:18,477 INFO L231 Difference]: Finished difference. Result has 56 places, 44 transitions, 98 flow [2025-02-06 12:39:18,477 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=98, PETRI_PLACES=56, PETRI_TRANSITIONS=44} [2025-02-06 12:39:18,477 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, -6 predicate places. [2025-02-06 12:39:18,478 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 44 transitions, 98 flow [2025-02-06 12:39:18,478 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) [2025-02-06 12:39:18,478 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:39:18,478 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 12:39:18,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 12:39:18,478 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2025-02-06 12:39:18,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:39:18,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1119993520, now seen corresponding path program 1 times [2025-02-06 12:39:18,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:39:18,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596951900] [2025-02-06 12:39:18,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:39:18,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:39:18,487 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-06 12:39:18,504 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 12:39:18,504 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:39:18,504 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:39:18,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:39:18,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:39:18,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596951900] [2025-02-06 12:39:18,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596951900] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:39:18,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:39:18,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 12:39:18,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868087776] [2025-02-06 12:39:18,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:39:18,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 12:39:18,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:39:18,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 12:39:18,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 12:39:18,670 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 55 [2025-02-06 12:39:18,671 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 44 transitions, 98 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) [2025-02-06 12:39:18,671 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:39:18,671 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 55 [2025-02-06 12:39:18,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:39:21,743 INFO L124 PetriNetUnfolderBase]: 42351/60543 cut-off events. [2025-02-06 12:39:21,743 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 12:39:21,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 117553 conditions, 60543 events. 42351/60543 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1867. Compared 413385 event pairs, 5317 based on Foata normal form. 1764/62288 useless extension candidates. Maximal degree in co-relation 117547. Up to 34369 conditions per place. [2025-02-06 12:39:22,006 INFO L140 encePairwiseOnDemand]: 48/55 looper letters, 78 selfloop transitions, 6 changer transitions 1/92 dead transitions. [2025-02-06 12:39:22,007 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 92 transitions, 370 flow [2025-02-06 12:39:22,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 12:39:22,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-06 12:39:22,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 135 transitions. [2025-02-06 12:39:22,008 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6136363636363636 [2025-02-06 12:39:22,008 INFO L175 Difference]: Start difference. First operand has 56 places, 44 transitions, 98 flow. Second operand 4 states and 135 transitions. [2025-02-06 12:39:22,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 92 transitions, 370 flow [2025-02-06 12:39:22,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 92 transitions, 369 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 12:39:22,010 INFO L231 Difference]: Finished difference. Result has 59 places, 48 transitions, 139 flow [2025-02-06 12:39:22,010 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=139, PETRI_PLACES=59, PETRI_TRANSITIONS=48} [2025-02-06 12:39:22,011 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, -3 predicate places. [2025-02-06 12:39:22,011 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 48 transitions, 139 flow [2025-02-06 12:39:22,011 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) [2025-02-06 12:39:22,011 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:39:22,011 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] [2025-02-06 12:39:22,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 12:39:22,011 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2025-02-06 12:39:22,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:39:22,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1736547286, now seen corresponding path program 1 times [2025-02-06 12:39:22,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:39:22,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606998209] [2025-02-06 12:39:22,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:39:22,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:39:22,018 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-06 12:39:22,030 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-06 12:39:22,030 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:39:22,030 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:39:22,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:39:22,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:39:22,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606998209] [2025-02-06 12:39:22,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606998209] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:39:22,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:39:22,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 12:39:22,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778500390] [2025-02-06 12:39:22,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:39:22,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 12:39:22,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:39:22,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 12:39:22,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 12:39:22,158 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 55 [2025-02-06 12:39:22,159 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 48 transitions, 139 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) [2025-02-06 12:39:22,159 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:39:22,159 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 55 [2025-02-06 12:39:22,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:39:24,424 INFO L124 PetriNetUnfolderBase]: 26351/37663 cut-off events. [2025-02-06 12:39:24,426 INFO L125 PetriNetUnfolderBase]: For 7062/7062 co-relation queries the response was YES. [2025-02-06 12:39:24,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83492 conditions, 37663 events. 26351/37663 cut-off events. For 7062/7062 co-relation queries the response was YES. Maximal size of possible extension queue 933. Compared 236589 event pairs, 3159 based on Foata normal form. 1364/39008 useless extension candidates. Maximal degree in co-relation 83483. Up to 14929 conditions per place. [2025-02-06 12:39:24,831 INFO L140 encePairwiseOnDemand]: 48/55 looper letters, 101 selfloop transitions, 10 changer transitions 1/119 dead transitions. [2025-02-06 12:39:24,831 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 119 transitions, 534 flow [2025-02-06 12:39:24,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 12:39:24,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-02-06 12:39:24,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 174 transitions. [2025-02-06 12:39:24,838 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6327272727272727 [2025-02-06 12:39:24,838 INFO L175 Difference]: Start difference. First operand has 59 places, 48 transitions, 139 flow. Second operand 5 states and 174 transitions. [2025-02-06 12:39:24,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 119 transitions, 534 flow [2025-02-06 12:39:24,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 119 transitions, 523 flow, removed 1 selfloop flow, removed 2 redundant places. [2025-02-06 12:39:24,863 INFO L231 Difference]: Finished difference. Result has 63 places, 52 transitions, 191 flow [2025-02-06 12:39:24,863 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=191, PETRI_PLACES=63, PETRI_TRANSITIONS=52} [2025-02-06 12:39:24,863 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 1 predicate places. [2025-02-06 12:39:24,864 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 52 transitions, 191 flow [2025-02-06 12:39:24,864 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) [2025-02-06 12:39:24,864 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:39:24,864 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] [2025-02-06 12:39:24,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 12:39:24,864 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2025-02-06 12:39:24,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:39:24,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1217523182, now seen corresponding path program 1 times [2025-02-06 12:39:24,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:39:24,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538122878] [2025-02-06 12:39:24,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:39:24,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:39:24,880 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-06 12:39:24,911 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-06 12:39:24,911 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:39:24,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:39:25,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:39:25,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:39:25,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538122878] [2025-02-06 12:39:25,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538122878] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:39:25,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:39:25,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 12:39:25,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584368168] [2025-02-06 12:39:25,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:39:25,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 12:39:25,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:39:25,137 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 12:39:25,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-06 12:39:25,137 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 55 [2025-02-06 12:39:25,142 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 52 transitions, 191 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) [2025-02-06 12:39:25,142 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:39:25,142 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 55 [2025-02-06 12:39:25,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:39:26,356 INFO L124 PetriNetUnfolderBase]: 15603/21839 cut-off events. [2025-02-06 12:39:26,357 INFO L125 PetriNetUnfolderBase]: For 13046/13046 co-relation queries the response was YES. [2025-02-06 12:39:26,409 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53240 conditions, 21839 events. 15603/21839 cut-off events. For 13046/13046 co-relation queries the response was YES. Maximal size of possible extension queue 550. Compared 120038 event pairs, 2769 based on Foata normal form. 644/22464 useless extension candidates. Maximal degree in co-relation 53229. Up to 6400 conditions per place. [2025-02-06 12:39:26,460 INFO L140 encePairwiseOnDemand]: 48/55 looper letters, 122 selfloop transitions, 14 changer transitions 1/144 dead transitions. [2025-02-06 12:39:26,461 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 144 transitions, 697 flow [2025-02-06 12:39:26,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 12:39:26,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 12:39:26,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 211 transitions. [2025-02-06 12:39:26,465 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6393939393939394 [2025-02-06 12:39:26,465 INFO L175 Difference]: Start difference. First operand has 63 places, 52 transitions, 191 flow. Second operand 6 states and 211 transitions. [2025-02-06 12:39:26,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 144 transitions, 697 flow [2025-02-06 12:39:26,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 144 transitions, 667 flow, removed 5 selfloop flow, removed 4 redundant places. [2025-02-06 12:39:26,612 INFO L231 Difference]: Finished difference. Result has 66 places, 56 transitions, 241 flow [2025-02-06 12:39:26,613 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=241, PETRI_PLACES=66, PETRI_TRANSITIONS=56} [2025-02-06 12:39:26,613 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 4 predicate places. [2025-02-06 12:39:26,613 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 56 transitions, 241 flow [2025-02-06 12:39:26,613 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) [2025-02-06 12:39:26,613 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:39:26,614 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] [2025-02-06 12:39:26,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 12:39:26,614 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2025-02-06 12:39:26,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:39:26,614 INFO L85 PathProgramCache]: Analyzing trace with hash 652153219, now seen corresponding path program 1 times [2025-02-06 12:39:26,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:39:26,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714360007] [2025-02-06 12:39:26,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:39:26,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:39:26,624 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-06 12:39:26,640 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-06 12:39:26,640 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:39:26,640 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:39:26,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:39:26,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:39:26,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714360007] [2025-02-06 12:39:26,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714360007] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:39:26,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:39:26,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 12:39:26,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073046538] [2025-02-06 12:39:26,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:39:26,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 12:39:26,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:39:26,768 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 12:39:26,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 12:39:26,769 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 55 [2025-02-06 12:39:26,769 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 56 transitions, 241 flow. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 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) [2025-02-06 12:39:26,769 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:39:26,769 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 55 [2025-02-06 12:39:26,769 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:39:27,815 INFO L124 PetriNetUnfolderBase]: 12135/16591 cut-off events. [2025-02-06 12:39:27,815 INFO L125 PetriNetUnfolderBase]: For 12130/12130 co-relation queries the response was YES. [2025-02-06 12:39:27,849 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41985 conditions, 16591 events. 12135/16591 cut-off events. For 12130/12130 co-relation queries the response was YES. Maximal size of possible extension queue 521. Compared 86555 event pairs, 2575 based on Foata normal form. 160/16732 useless extension candidates. Maximal degree in co-relation 41973. Up to 6400 conditions per place. [2025-02-06 12:39:27,900 INFO L140 encePairwiseOnDemand]: 48/55 looper letters, 105 selfloop transitions, 18 changer transitions 1/131 dead transitions. [2025-02-06 12:39:27,900 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 131 transitions, 655 flow [2025-02-06 12:39:27,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 12:39:27,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-02-06 12:39:27,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 210 transitions. [2025-02-06 12:39:27,902 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5454545454545454 [2025-02-06 12:39:27,902 INFO L175 Difference]: Start difference. First operand has 66 places, 56 transitions, 241 flow. Second operand 7 states and 210 transitions. [2025-02-06 12:39:27,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 131 transitions, 655 flow [2025-02-06 12:39:28,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 131 transitions, 609 flow, removed 9 selfloop flow, removed 5 redundant places. [2025-02-06 12:39:28,117 INFO L231 Difference]: Finished difference. Result has 69 places, 56 transitions, 251 flow [2025-02-06 12:39:28,118 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=251, PETRI_PLACES=69, PETRI_TRANSITIONS=56} [2025-02-06 12:39:28,118 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 7 predicate places. [2025-02-06 12:39:28,118 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 56 transitions, 251 flow [2025-02-06 12:39:28,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 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) [2025-02-06 12:39:28,118 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:39:28,118 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, 1, 1, 1, 1, 1, 1] [2025-02-06 12:39:28,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 12:39:28,119 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2025-02-06 12:39:28,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:39:28,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1719584333, now seen corresponding path program 1 times [2025-02-06 12:39:28,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:39:28,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505804213] [2025-02-06 12:39:28,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:39:28,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:39:28,129 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-06 12:39:28,221 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 12:39:28,221 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:39:28,221 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:39:28,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:39:28,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:39:28,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505804213] [2025-02-06 12:39:28,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505804213] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:39:28,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:39:28,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 12:39:28,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157167721] [2025-02-06 12:39:28,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:39:28,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 12:39:28,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:39:28,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 12:39:28,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 12:39:28,522 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 55 [2025-02-06 12:39:28,523 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 56 transitions, 251 flow. Second operand has 6 states, 6 states have (on average 17.5) internal successors, (105), 6 states have internal predecessors, (105), 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) [2025-02-06 12:39:28,523 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:39:28,523 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 55 [2025-02-06 12:39:28,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:39:30,508 INFO L124 PetriNetUnfolderBase]: 25213/34545 cut-off events. [2025-02-06 12:39:30,509 INFO L125 PetriNetUnfolderBase]: For 27300/27300 co-relation queries the response was YES. [2025-02-06 12:39:30,636 INFO L83 FinitePrefix]: Finished finitePrefix Result has 88452 conditions, 34545 events. 25213/34545 cut-off events. For 27300/27300 co-relation queries the response was YES. Maximal size of possible extension queue 1100. Compared 201545 event pairs, 5781 based on Foata normal form. 32/34525 useless extension candidates. Maximal degree in co-relation 88439. Up to 14403 conditions per place. [2025-02-06 12:39:30,703 INFO L140 encePairwiseOnDemand]: 43/55 looper letters, 97 selfloop transitions, 10 changer transitions 45/159 dead transitions. [2025-02-06 12:39:30,704 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 159 transitions, 1023 flow [2025-02-06 12:39:30,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 12:39:30,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-02-06 12:39:30,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 214 transitions. [2025-02-06 12:39:30,705 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4863636363636364 [2025-02-06 12:39:30,706 INFO L175 Difference]: Start difference. First operand has 69 places, 56 transitions, 251 flow. Second operand 8 states and 214 transitions. [2025-02-06 12:39:30,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 159 transitions, 1023 flow [2025-02-06 12:39:31,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 159 transitions, 741 flow, removed 51 selfloop flow, removed 10 redundant places. [2025-02-06 12:39:31,393 INFO L231 Difference]: Finished difference. Result has 72 places, 62 transitions, 220 flow [2025-02-06 12:39:31,394 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=155, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=220, PETRI_PLACES=72, PETRI_TRANSITIONS=62} [2025-02-06 12:39:31,395 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 10 predicate places. [2025-02-06 12:39:31,395 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 62 transitions, 220 flow [2025-02-06 12:39:31,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 6 states have internal predecessors, (105), 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) [2025-02-06 12:39:31,395 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:39:31,395 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, 1, 1, 1, 1, 1, 1] [2025-02-06 12:39:31,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 12:39:31,395 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2025-02-06 12:39:31,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:39:31,397 INFO L85 PathProgramCache]: Analyzing trace with hash -385720315, now seen corresponding path program 2 times [2025-02-06 12:39:31,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:39:31,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917090549] [2025-02-06 12:39:31,397 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 12:39:31,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:39:31,409 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 39 statements into 1 equivalence classes. [2025-02-06 12:39:31,500 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 12:39:31,501 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 12:39:31,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:39:31,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:39:31,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:39:31,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917090549] [2025-02-06 12:39:31,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917090549] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:39:31,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:39:31,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 12:39:31,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740493247] [2025-02-06 12:39:31,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:39:31,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 12:39:31,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:39:31,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 12:39:31,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 12:39:31,799 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 55 [2025-02-06 12:39:31,800 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 62 transitions, 220 flow. Second operand has 6 states, 6 states have (on average 17.5) internal successors, (105), 6 states have internal predecessors, (105), 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) [2025-02-06 12:39:31,800 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:39:31,800 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 55 [2025-02-06 12:39:31,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:39:33,128 INFO L124 PetriNetUnfolderBase]: 16817/23222 cut-off events. [2025-02-06 12:39:33,128 INFO L125 PetriNetUnfolderBase]: For 7093/7093 co-relation queries the response was YES. [2025-02-06 12:39:33,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59018 conditions, 23222 events. 16817/23222 cut-off events. For 7093/7093 co-relation queries the response was YES. Maximal size of possible extension queue 658. Compared 125496 event pairs, 3825 based on Foata normal form. 16/23237 useless extension candidates. Maximal degree in co-relation 59004. Up to 11748 conditions per place. [2025-02-06 12:39:33,249 INFO L140 encePairwiseOnDemand]: 42/55 looper letters, 89 selfloop transitions, 17 changer transitions 28/141 dead transitions. [2025-02-06 12:39:33,249 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 141 transitions, 742 flow [2025-02-06 12:39:33,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 12:39:33,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-02-06 12:39:33,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 187 transitions. [2025-02-06 12:39:33,250 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4857142857142857 [2025-02-06 12:39:33,250 INFO L175 Difference]: Start difference. First operand has 72 places, 62 transitions, 220 flow. Second operand 7 states and 187 transitions. [2025-02-06 12:39:33,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 141 transitions, 742 flow [2025-02-06 12:39:33,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 141 transitions, 721 flow, removed 8 selfloop flow, removed 5 redundant places. [2025-02-06 12:39:33,259 INFO L231 Difference]: Finished difference. Result has 73 places, 73 transitions, 334 flow [2025-02-06 12:39:33,259 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=207, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=334, PETRI_PLACES=73, PETRI_TRANSITIONS=73} [2025-02-06 12:39:33,261 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 11 predicate places. [2025-02-06 12:39:33,261 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 73 transitions, 334 flow [2025-02-06 12:39:33,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 6 states have internal predecessors, (105), 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) [2025-02-06 12:39:33,262 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:39:33,262 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, 1, 1, 1, 1, 1, 1] [2025-02-06 12:39:33,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 12:39:33,262 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2025-02-06 12:39:33,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:39:33,263 INFO L85 PathProgramCache]: Analyzing trace with hash 34617441, now seen corresponding path program 3 times [2025-02-06 12:39:33,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:39:33,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246160762] [2025-02-06 12:39:33,263 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 12:39:33,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:39:33,275 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 39 statements into 1 equivalence classes. [2025-02-06 12:39:33,334 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 12:39:33,335 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-06 12:39:33,335 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat