./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/mix036_pso.opt_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-wmm/mix036_pso.opt_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eb5b5f76ea992c17ebcf5a0e506a820a4d574c4d0723905971e2f5f6725ae203 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 09:50:42,941 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 09:50:42,993 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-03-04 09:50:42,999 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 09:50:42,999 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 09:50:43,022 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 09:50:43,023 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 09:50:43,024 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 09:50:43,024 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 09:50:43,024 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 09:50:43,024 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 09:50:43,024 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 09:50:43,024 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 09:50:43,024 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 09:50:43,025 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 09:50:43,025 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 09:50:43,025 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 09:50:43,025 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 09:50:43,025 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 09:50:43,025 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 09:50:43,025 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-04 09:50:43,025 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-04 09:50:43,025 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-03-04 09:50:43,025 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 09:50:43,025 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-04 09:50:43,025 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 09:50:43,025 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 09:50:43,025 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 09:50:43,025 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 09:50:43,025 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 09:50:43,025 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 09:50:43,025 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 09:50:43,025 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 09:50:43,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 09:50:43,026 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 09:50:43,026 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 09:50:43,026 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 09:50:43,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 09:50:43,026 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 09:50:43,026 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 09:50:43,026 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 09:50:43,026 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 09:50:43,026 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/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 -> eb5b5f76ea992c17ebcf5a0e506a820a4d574c4d0723905971e2f5f6725ae203 [2025-03-04 09:50:43,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 09:50:43,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 09:50:43,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 09:50:43,264 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 09:50:43,264 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 09:50:43,265 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix036_pso.opt_tso.opt.i [2025-03-04 09:50:44,433 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aca1ee89/75ede3796a064f7bb9799cc38a598fe4/FLAG4e65b92f1 [2025-03-04 09:50:44,702 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 09:50:44,703 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix036_pso.opt_tso.opt.i [2025-03-04 09:50:44,719 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aca1ee89/75ede3796a064f7bb9799cc38a598fe4/FLAG4e65b92f1 [2025-03-04 09:50:45,005 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aca1ee89/75ede3796a064f7bb9799cc38a598fe4 [2025-03-04 09:50:45,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 09:50:45,008 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 09:50:45,009 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 09:50:45,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 09:50:45,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 09:50:45,013 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 09:50:45" (1/1) ... [2025-03-04 09:50:45,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a641fd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:50:45, skipping insertion in model container [2025-03-04 09:50:45,014 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 09:50:45" (1/1) ... [2025-03-04 09:50:45,038 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 09:50:45,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 09:50:45,257 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 09:50:45,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 09:50:45,342 INFO L204 MainTranslator]: Completed translation [2025-03-04 09:50:45,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:50:45 WrapperNode [2025-03-04 09:50:45,342 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 09:50:45,343 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 09:50:45,343 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 09:50:45,343 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 09:50:45,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:50:45" (1/1) ... [2025-03-04 09:50:45,355 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:50:45" (1/1) ... [2025-03-04 09:50:45,369 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 140 [2025-03-04 09:50:45,370 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 09:50:45,370 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 09:50:45,370 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 09:50:45,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 09:50:45,376 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:50:45" (1/1) ... [2025-03-04 09:50:45,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:50:45" (1/1) ... [2025-03-04 09:50:45,379 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:50:45" (1/1) ... [2025-03-04 09:50:45,389 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]. [2025-03-04 09:50:45,389 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:50:45" (1/1) ... [2025-03-04 09:50:45,389 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:50:45" (1/1) ... [2025-03-04 09:50:45,395 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:50:45" (1/1) ... [2025-03-04 09:50:45,395 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:50:45" (1/1) ... [2025-03-04 09:50:45,397 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:50:45" (1/1) ... [2025-03-04 09:50:45,397 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:50:45" (1/1) ... [2025-03-04 09:50:45,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 09:50:45,400 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 09:50:45,400 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 09:50:45,400 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 09:50:45,400 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:50:45" (1/1) ... [2025-03-04 09:50:45,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 09:50:45,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 09:50:45,431 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 09:50:45,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 09:50:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-04 09:50:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 09:50:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-03-04 09:50:45,455 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-03-04 09:50:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-03-04 09:50:45,455 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-03-04 09:50:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-03-04 09:50:45,455 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-03-04 09:50:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2025-03-04 09:50:45,455 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2025-03-04 09:50:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 09:50:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-04 09:50:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 09:50:45,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 09:50:45,456 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-04 09:50:45,578 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 09:50:45,580 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 09:50:45,842 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-04 09:50:45,842 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 09:50:46,038 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 09:50:46,038 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 09:50:46,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 09:50:46 BoogieIcfgContainer [2025-03-04 09:50:46,039 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 09:50:46,041 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 09:50:46,041 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 09:50:46,047 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 09:50:46,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 09:50:45" (1/3) ... [2025-03-04 09:50:46,048 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@818d9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 09:50:46, skipping insertion in model container [2025-03-04 09:50:46,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 09:50:45" (2/3) ... [2025-03-04 09:50:46,048 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@818d9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 09:50:46, skipping insertion in model container [2025-03-04 09:50:46,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 09:50:46" (3/3) ... [2025-03-04 09:50:46,050 INFO L128 eAbstractionObserver]: Analyzing ICFG mix036_pso.opt_tso.opt.i [2025-03-04 09:50:46,061 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 09:50:46,062 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix036_pso.opt_tso.opt.i that has 5 procedures, 54 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2025-03-04 09:50:46,063 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-04 09:50:46,115 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-04 09:50:46,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 66 places, 55 transitions, 126 flow [2025-03-04 09:50:46,174 INFO L124 PetriNetUnfolderBase]: 2/51 cut-off events. [2025-03-04 09:50:46,178 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 09:50:46,182 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 108 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. [2025-03-04 09:50:46,182 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 55 transitions, 126 flow [2025-03-04 09:50:46,184 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 62 places, 51 transitions, 114 flow [2025-03-04 09:50:46,193 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 09:50:46,204 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;@59f5a3b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 09:50:46,204 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-03-04 09:50:46,216 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-04 09:50:46,216 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2025-03-04 09:50:46,216 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 09:50:46,216 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 09:50:46,217 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 09:50:46,217 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P3Err0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2025-03-04 09:50:46,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 09:50:46,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1212614405, now seen corresponding path program 1 times [2025-03-04 09:50:46,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 09:50:46,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157044678] [2025-03-04 09:50:46,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 09:50:46,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 09:50:46,296 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-04 09:50:46,350 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-04 09:50:46,351 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 09:50:46,351 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 09:50:46,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 09:50:46,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 09:50:46,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157044678] [2025-03-04 09:50:46,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157044678] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 09:50:46,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 09:50:46,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-04 09:50:46,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865073997] [2025-03-04 09:50:46,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 09:50:46,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 09:50:46,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 09:50:46,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 09:50:46,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 09:50:46,643 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 55 [2025-03-04 09:50:46,645 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) [2025-03-04 09:50:46,645 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 09:50:46,645 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 55 [2025-03-04 09:50:46,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 09:50:50,838 INFO L124 PetriNetUnfolderBase]: 57803/76511 cut-off events. [2025-03-04 09:50:50,838 INFO L125 PetriNetUnfolderBase]: For 230/230 co-relation queries the response was YES. [2025-03-04 09:50:50,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152635 conditions, 76511 events. 57803/76511 cut-off events. For 230/230 co-relation queries the response was YES. Maximal size of possible extension queue 2139. Compared 452657 event pairs, 6395 based on Foata normal form. 3456/79906 useless extension candidates. Maximal degree in co-relation 152623. Up to 66529 conditions per place. [2025-03-04 09:50:51,239 INFO L140 encePairwiseOnDemand]: 50/55 looper letters, 59 selfloop transitions, 2 changer transitions 2/71 dead transitions. [2025-03-04 09:50:51,240 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 71 transitions, 280 flow [2025-03-04 09:50:51,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 09:50:51,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 09:50:51,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 104 transitions. [2025-03-04 09:50:51,248 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6303030303030303 [2025-03-04 09:50:51,249 INFO L175 Difference]: Start difference. First operand has 62 places, 51 transitions, 114 flow. Second operand 3 states and 104 transitions. [2025-03-04 09:50:51,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 71 transitions, 280 flow [2025-03-04 09:50:51,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 71 transitions, 276 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-03-04 09:50:51,257 INFO L231 Difference]: Finished difference. Result has 58 places, 46 transitions, 104 flow [2025-03-04 09:50:51,258 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} [2025-03-04 09:50:51,260 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, -4 predicate places. [2025-03-04 09:50:51,261 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 46 transitions, 104 flow [2025-03-04 09:50:51,261 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) [2025-03-04 09:50:51,261 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 09:50:51,261 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 09:50:51,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 09:50:51,261 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2025-03-04 09:50:51,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 09:50:51,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1646376964, now seen corresponding path program 1 times [2025-03-04 09:50:51,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 09:50:51,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625591707] [2025-03-04 09:50:51,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 09:50:51,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 09:50:51,272 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-04 09:50:51,279 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-04 09:50:51,279 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 09:50:51,279 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 09:50:51,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 09:50:51,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 09:50:51,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625591707] [2025-03-04 09:50:51,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625591707] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 09:50:51,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 09:50:51,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-04 09:50:51,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184605517] [2025-03-04 09:50:51,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 09:50:51,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 09:50:51,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 09:50:51,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 09:50:51,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 09:50:51,317 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 55 [2025-03-04 09:50:51,318 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) [2025-03-04 09:50:51,318 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 09:50:51,318 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 55 [2025-03-04 09:50:51,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 09:50:54,751 INFO L124 PetriNetUnfolderBase]: 51971/71759 cut-off events. [2025-03-04 09:50:54,751 INFO L125 PetriNetUnfolderBase]: For 1944/1944 co-relation queries the response was YES. [2025-03-04 09:50:54,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 142265 conditions, 71759 events. 51971/71759 cut-off events. For 1944/1944 co-relation queries the response was YES. Maximal size of possible extension queue 2152. Compared 462387 event pairs, 51971 based on Foata normal form. 1728/73210 useless extension candidates. Maximal degree in co-relation 142255. Up to 68040 conditions per place. [2025-03-04 09:50:55,102 INFO L140 encePairwiseOnDemand]: 53/55 looper letters, 36 selfloop transitions, 1 changer transitions 1/45 dead transitions. [2025-03-04 09:50:55,103 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 45 transitions, 178 flow [2025-03-04 09:50:55,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 09:50:55,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 09:50:55,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 72 transitions. [2025-03-04 09:50:55,104 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.43636363636363634 [2025-03-04 09:50:55,104 INFO L175 Difference]: Start difference. First operand has 58 places, 46 transitions, 104 flow. Second operand 3 states and 72 transitions. [2025-03-04 09:50:55,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 45 transitions, 178 flow [2025-03-04 09:50:55,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 45 transitions, 174 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 09:50:55,119 INFO L231 Difference]: Finished difference. Result has 56 places, 44 transitions, 98 flow [2025-03-04 09:50:55,120 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} [2025-03-04 09:50:55,120 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, -6 predicate places. [2025-03-04 09:50:55,120 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 44 transitions, 98 flow [2025-03-04 09:50:55,120 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) [2025-03-04 09:50:55,120 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 09:50:55,120 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 09:50:55,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 09:50:55,121 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2025-03-04 09:50:55,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 09:50:55,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1646377632, now seen corresponding path program 1 times [2025-03-04 09:50:55,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 09:50:55,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047900698] [2025-03-04 09:50:55,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 09:50:55,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 09:50:55,133 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-04 09:50:55,146 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-04 09:50:55,147 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 09:50:55,147 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 09:50:55,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 09:50:55,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 09:50:55,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047900698] [2025-03-04 09:50:55,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047900698] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 09:50:55,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 09:50:55,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 09:50:55,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528294846] [2025-03-04 09:50:55,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 09:50:55,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 09:50:55,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 09:50:55,339 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 09:50:55,339 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 09:50:55,341 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 55 [2025-03-04 09:50:55,341 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 44 transitions, 98 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) [2025-03-04 09:50:55,341 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 09:50:55,341 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 55 [2025-03-04 09:50:55,341 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 09:50:59,978 INFO L124 PetriNetUnfolderBase]: 67379/91959 cut-off events. [2025-03-04 09:50:59,978 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 09:51:00,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 181017 conditions, 91959 events. 67379/91959 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2712. Compared 596353 event pairs, 32615 based on Foata normal form. 0/90239 useless extension candidates. Maximal degree in co-relation 181011. Up to 59701 conditions per place. [2025-03-04 09:51:00,366 INFO L140 encePairwiseOnDemand]: 46/55 looper letters, 51 selfloop transitions, 5 changer transitions 90/152 dead transitions. [2025-03-04 09:51:00,366 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 152 transitions, 612 flow [2025-03-04 09:51:00,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 09:51:00,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-03-04 09:51:00,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 236 transitions. [2025-03-04 09:51:00,368 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5363636363636364 [2025-03-04 09:51:00,368 INFO L175 Difference]: Start difference. First operand has 56 places, 44 transitions, 98 flow. Second operand 8 states and 236 transitions. [2025-03-04 09:51:00,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 152 transitions, 612 flow [2025-03-04 09:51:00,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 152 transitions, 611 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-04 09:51:00,372 INFO L231 Difference]: Finished difference. Result has 66 places, 47 transitions, 152 flow [2025-03-04 09:51:00,372 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=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=152, PETRI_PLACES=66, PETRI_TRANSITIONS=47} [2025-03-04 09:51:00,372 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 4 predicate places. [2025-03-04 09:51:00,372 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 47 transitions, 152 flow [2025-03-04 09:51:00,372 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) [2025-03-04 09:51:00,372 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 09:51:00,372 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] [2025-03-04 09:51:00,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 09:51:00,373 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2025-03-04 09:51:00,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 09:51:00,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1920624529, now seen corresponding path program 1 times [2025-03-04 09:51:00,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 09:51:00,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069206778] [2025-03-04 09:51:00,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 09:51:00,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 09:51:00,382 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-04 09:51:00,398 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-04 09:51:00,398 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 09:51:00,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 09:51:00,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 09:51:00,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 09:51:00,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069206778] [2025-03-04 09:51:00,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069206778] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 09:51:00,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 09:51:00,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 09:51:00,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725527155] [2025-03-04 09:51:00,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 09:51:00,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 09:51:00,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 09:51:00,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 09:51:00,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-04 09:51:00,529 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 55 [2025-03-04 09:51:00,529 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 47 transitions, 152 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) [2025-03-04 09:51:00,529 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 09:51:00,529 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 55 [2025-03-04 09:51:00,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 09:51:04,265 INFO L124 PetriNetUnfolderBase]: 49463/67387 cut-off events. [2025-03-04 09:51:04,265 INFO L125 PetriNetUnfolderBase]: For 49150/49150 co-relation queries the response was YES. [2025-03-04 09:51:04,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 169843 conditions, 67387 events. 49463/67387 cut-off events. For 49150/49150 co-relation queries the response was YES. Maximal size of possible extension queue 1881. Compared 413428 event pairs, 12727 based on Foata normal form. 1664/69006 useless extension candidates. Maximal degree in co-relation 169831. Up to 37153 conditions per place. [2025-03-04 09:51:04,698 INFO L140 encePairwiseOnDemand]: 50/55 looper letters, 57 selfloop transitions, 3 changer transitions 77/143 dead transitions. [2025-03-04 09:51:04,698 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 143 transitions, 730 flow [2025-03-04 09:51:04,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 09:51:04,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-04 09:51:04,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 212 transitions. [2025-03-04 09:51:04,887 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5506493506493506 [2025-03-04 09:51:04,887 INFO L175 Difference]: Start difference. First operand has 66 places, 47 transitions, 152 flow. Second operand 7 states and 212 transitions. [2025-03-04 09:51:04,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 143 transitions, 730 flow [2025-03-04 09:51:05,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 143 transitions, 717 flow, removed 4 selfloop flow, removed 3 redundant places. [2025-03-04 09:51:05,821 INFO L231 Difference]: Finished difference. Result has 68 places, 47 transitions, 162 flow [2025-03-04 09:51:05,821 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=143, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=162, PETRI_PLACES=68, PETRI_TRANSITIONS=47} [2025-03-04 09:51:05,821 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 6 predicate places. [2025-03-04 09:51:05,821 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 47 transitions, 162 flow [2025-03-04 09:51:05,821 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) [2025-03-04 09:51:05,821 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 09:51:05,822 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] [2025-03-04 09:51:05,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 09:51:05,822 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2025-03-04 09:51:05,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 09:51:05,822 INFO L85 PathProgramCache]: Analyzing trace with hash -2127311561, now seen corresponding path program 1 times [2025-03-04 09:51:05,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 09:51:05,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228117918] [2025-03-04 09:51:05,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 09:51:05,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 09:51:05,828 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-04 09:51:05,849 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-04 09:51:05,850 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 09:51:05,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 09:51:05,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 09:51:05,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 09:51:05,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228117918] [2025-03-04 09:51:05,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228117918] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 09:51:05,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 09:51:05,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 09:51:05,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331285166] [2025-03-04 09:51:05,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 09:51:05,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 09:51:05,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 09:51:05,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 09:51:05,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 09:51:05,964 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 55 [2025-03-04 09:51:05,965 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 47 transitions, 162 flow. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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) [2025-03-04 09:51:05,965 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 09:51:05,965 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 55 [2025-03-04 09:51:05,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 09:51:08,887 INFO L124 PetriNetUnfolderBase]: 36911/51115 cut-off events. [2025-03-04 09:51:08,887 INFO L125 PetriNetUnfolderBase]: For 45342/45342 co-relation queries the response was YES. [2025-03-04 09:51:09,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 130497 conditions, 51115 events. 36911/51115 cut-off events. For 45342/45342 co-relation queries the response was YES. Maximal size of possible extension queue 1397. Compared 319584 event pairs, 4643 based on Foata normal form. 1728/52808 useless extension candidates. Maximal degree in co-relation 130481. Up to 27973 conditions per place. [2025-03-04 09:51:09,177 INFO L140 encePairwiseOnDemand]: 48/55 looper letters, 82 selfloop transitions, 6 changer transitions 1/95 dead transitions. [2025-03-04 09:51:09,177 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 95 transitions, 496 flow [2025-03-04 09:51:09,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 09:51:09,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-04 09:51:09,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 135 transitions. [2025-03-04 09:51:09,178 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6136363636363636 [2025-03-04 09:51:09,178 INFO L175 Difference]: Start difference. First operand has 68 places, 47 transitions, 162 flow. Second operand 4 states and 135 transitions. [2025-03-04 09:51:09,178 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 95 transitions, 496 flow [2025-03-04 09:51:09,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 95 transitions, 478 flow, removed 4 selfloop flow, removed 6 redundant places. [2025-03-04 09:51:09,651 INFO L231 Difference]: Finished difference. Result has 63 places, 51 transitions, 190 flow [2025-03-04 09:51:09,651 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=190, PETRI_PLACES=63, PETRI_TRANSITIONS=51} [2025-03-04 09:51:09,652 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 1 predicate places. [2025-03-04 09:51:09,652 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 51 transitions, 190 flow [2025-03-04 09:51:09,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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) [2025-03-04 09:51:09,652 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 09:51:09,653 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] [2025-03-04 09:51:09,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 09:51:09,653 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2025-03-04 09:51:09,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 09:51:09,655 INFO L85 PathProgramCache]: Analyzing trace with hash -447637865, now seen corresponding path program 1 times [2025-03-04 09:51:09,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 09:51:09,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060414494] [2025-03-04 09:51:09,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 09:51:09,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 09:51:09,661 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-04 09:51:09,679 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-04 09:51:09,679 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 09:51:09,679 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 09:51:09,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 09:51:09,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 09:51:09,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060414494] [2025-03-04 09:51:09,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060414494] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 09:51:09,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 09:51:09,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 09:51:09,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400683952] [2025-03-04 09:51:09,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 09:51:09,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 09:51:09,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 09:51:09,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 09:51:09,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-04 09:51:09,788 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 55 [2025-03-04 09:51:09,788 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 51 transitions, 190 flow. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 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) [2025-03-04 09:51:09,788 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 09:51:09,788 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 55 [2025-03-04 09:51:09,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 09:51:11,816 INFO L124 PetriNetUnfolderBase]: 24319/33947 cut-off events. [2025-03-04 09:51:11,817 INFO L125 PetriNetUnfolderBase]: For 30108/30108 co-relation queries the response was YES. [2025-03-04 09:51:11,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92167 conditions, 33947 events. 24319/33947 cut-off events. For 30108/30108 co-relation queries the response was YES. Maximal size of possible extension queue 818. Compared 201021 event pairs, 2675 based on Foata normal form. 1344/35256 useless extension candidates. Maximal degree in co-relation 92153. Up to 12853 conditions per place. [2025-03-04 09:51:11,985 INFO L140 encePairwiseOnDemand]: 48/55 looper letters, 105 selfloop transitions, 10 changer transitions 1/122 dead transitions. [2025-03-04 09:51:11,985 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 122 transitions, 668 flow [2025-03-04 09:51:11,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 09:51:11,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-04 09:51:11,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 174 transitions. [2025-03-04 09:51:11,986 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6327272727272727 [2025-03-04 09:51:11,986 INFO L175 Difference]: Start difference. First operand has 63 places, 51 transitions, 190 flow. Second operand 5 states and 174 transitions. [2025-03-04 09:51:11,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 122 transitions, 668 flow [2025-03-04 09:51:11,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 122 transitions, 657 flow, removed 1 selfloop flow, removed 2 redundant places. [2025-03-04 09:51:11,993 INFO L231 Difference]: Finished difference. Result has 67 places, 55 transitions, 242 flow [2025-03-04 09:51:11,993 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=242, PETRI_PLACES=67, PETRI_TRANSITIONS=55} [2025-03-04 09:51:11,994 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 5 predicate places. [2025-03-04 09:51:11,994 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 55 transitions, 242 flow [2025-03-04 09:51:11,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 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) [2025-03-04 09:51:11,994 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 09:51:11,994 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] [2025-03-04 09:51:11,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 09:51:11,994 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2025-03-04 09:51:11,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 09:51:11,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1321854457, now seen corresponding path program 1 times [2025-03-04 09:51:11,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 09:51:11,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215629032] [2025-03-04 09:51:11,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 09:51:11,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 09:51:12,000 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-04 09:51:12,011 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-04 09:51:12,011 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 09:51:12,011 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 09:51:12,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 09:51:12,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 09:51:12,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215629032] [2025-03-04 09:51:12,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215629032] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 09:51:12,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 09:51:12,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-04 09:51:12,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579464702] [2025-03-04 09:51:12,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 09:51:12,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 09:51:12,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 09:51:12,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 09:51:12,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-04 09:51:12,355 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 55 [2025-03-04 09:51:12,355 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 55 transitions, 242 flow. Second operand has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 9 states have internal predecessors, (124), 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) [2025-03-04 09:51:12,355 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 09:51:12,355 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 55 [2025-03-04 09:51:12,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 09:51:15,208 INFO L124 PetriNetUnfolderBase]: 31483/43570 cut-off events. [2025-03-04 09:51:15,209 INFO L125 PetriNetUnfolderBase]: For 52035/52035 co-relation queries the response was YES. [2025-03-04 09:51:15,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127122 conditions, 43570 events. 31483/43570 cut-off events. For 52035/52035 co-relation queries the response was YES. Maximal size of possible extension queue 1010. Compared 258649 event pairs, 5747 based on Foata normal form. 368/43927 useless extension candidates. Maximal degree in co-relation 127106. Up to 24769 conditions per place. [2025-03-04 09:51:15,435 INFO L140 encePairwiseOnDemand]: 45/55 looper letters, 105 selfloop transitions, 13 changer transitions 103/227 dead transitions. [2025-03-04 09:51:15,435 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 227 transitions, 1465 flow [2025-03-04 09:51:15,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 09:51:15,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-04 09:51:15,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 297 transitions. [2025-03-04 09:51:15,437 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.54 [2025-03-04 09:51:15,437 INFO L175 Difference]: Start difference. First operand has 67 places, 55 transitions, 242 flow. Second operand 10 states and 297 transitions. [2025-03-04 09:51:15,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 227 transitions, 1465 flow [2025-03-04 09:51:15,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 227 transitions, 1351 flow, removed 22 selfloop flow, removed 4 redundant places. [2025-03-04 09:51:15,562 INFO L231 Difference]: Finished difference. Result has 78 places, 66 transitions, 320 flow [2025-03-04 09:51:15,562 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=215, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=320, PETRI_PLACES=78, PETRI_TRANSITIONS=66} [2025-03-04 09:51:15,563 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 16 predicate places. [2025-03-04 09:51:15,563 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 66 transitions, 320 flow [2025-03-04 09:51:15,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 9 states have internal predecessors, (124), 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) [2025-03-04 09:51:15,563 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 09:51:15,563 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] [2025-03-04 09:51:15,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-04 09:51:15,563 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2025-03-04 09:51:15,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 09:51:15,564 INFO L85 PathProgramCache]: Analyzing trace with hash -44007221, now seen corresponding path program 2 times [2025-03-04 09:51:15,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 09:51:15,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706491214] [2025-03-04 09:51:15,564 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 09:51:15,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 09:51:15,763 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 29 statements into 1 equivalence classes. [2025-03-04 09:51:15,785 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-04 09:51:15,786 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 09:51:15,786 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 09:51:15,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 09:51:15,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 09:51:15,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706491214] [2025-03-04 09:51:15,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706491214] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 09:51:15,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 09:51:15,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 09:51:15,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570188226] [2025-03-04 09:51:15,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 09:51:15,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 09:51:15,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 09:51:15,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 09:51:15,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-04 09:51:15,879 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 55 [2025-03-04 09:51:15,880 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 66 transitions, 320 flow. Second operand has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 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) [2025-03-04 09:51:15,880 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 09:51:15,880 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 55 [2025-03-04 09:51:15,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 09:51:17,377 INFO L124 PetriNetUnfolderBase]: 15935/22123 cut-off events. [2025-03-04 09:51:17,377 INFO L125 PetriNetUnfolderBase]: For 30408/30408 co-relation queries the response was YES. [2025-03-04 09:51:17,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66658 conditions, 22123 events. 15935/22123 cut-off events. For 30408/30408 co-relation queries the response was YES. Maximal size of possible extension queue 579. Compared 122201 event pairs, 2367 based on Foata normal form. 664/22752 useless extension candidates. Maximal degree in co-relation 66637. Up to 6740 conditions per place. [2025-03-04 09:51:17,556 INFO L140 encePairwiseOnDemand]: 48/55 looper letters, 146 selfloop transitions, 14 changer transitions 1/167 dead transitions. [2025-03-04 09:51:17,556 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 167 transitions, 1097 flow [2025-03-04 09:51:17,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 09:51:17,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-04 09:51:17,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 211 transitions. [2025-03-04 09:51:17,557 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6393939393939394 [2025-03-04 09:51:17,557 INFO L175 Difference]: Start difference. First operand has 78 places, 66 transitions, 320 flow. Second operand 6 states and 211 transitions. [2025-03-04 09:51:17,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 167 transitions, 1097 flow [2025-03-04 09:51:17,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 167 transitions, 1091 flow, removed 3 selfloop flow, removed 3 redundant places. [2025-03-04 09:51:17,576 INFO L231 Difference]: Finished difference. Result has 77 places, 68 transitions, 381 flow [2025-03-04 09:51:17,576 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=381, PETRI_PLACES=77, PETRI_TRANSITIONS=68} [2025-03-04 09:51:17,577 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 15 predicate places. [2025-03-04 09:51:17,577 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 68 transitions, 381 flow [2025-03-04 09:51:17,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 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) [2025-03-04 09:51:17,577 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 09:51:17,577 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] [2025-03-04 09:51:17,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-04 09:51:17,577 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2025-03-04 09:51:17,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 09:51:17,577 INFO L85 PathProgramCache]: Analyzing trace with hash 729809867, now seen corresponding path program 1 times [2025-03-04 09:51:17,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 09:51:17,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850099216] [2025-03-04 09:51:17,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 09:51:17,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 09:51:17,589 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-04 09:51:17,599 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-04 09:51:17,599 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 09:51:17,600 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 09:51:17,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 09:51:17,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 09:51:17,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850099216] [2025-03-04 09:51:17,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850099216] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 09:51:17,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 09:51:17,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-04 09:51:17,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051902419] [2025-03-04 09:51:17,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 09:51:17,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 09:51:17,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 09:51:17,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 09:51:17,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-04 09:51:17,783 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 55 [2025-03-04 09:51:17,783 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 68 transitions, 381 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) [2025-03-04 09:51:17,783 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 09:51:17,783 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 55 [2025-03-04 09:51:17,783 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand