./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.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/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4633300b13c3e317f8d3cd1cc05f3f76ba271ffedabaa8599cd9617354fa2b7b --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 12:49:55,056 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 12:49:55,137 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-02-06 12:49:55,144 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 12:49:55,144 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 12:49:55,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 12:49:55,176 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 12:49:55,176 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 12:49:55,177 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 12:49:55,177 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 12:49:55,178 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 12:49:55,178 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 12:49:55,179 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 12:49:55,179 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 12:49:55,179 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 12:49:55,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 12:49:55,179 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 12:49:55,180 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 12:49:55,180 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 12:49:55,180 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 12:49:55,180 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-06 12:49:55,180 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-06 12:49:55,180 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-02-06 12:49:55,180 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 12:49:55,180 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 12:49:55,180 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 12:49:55,180 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 12:49:55,181 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 12:49:55,181 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 12:49:55,181 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 12:49:55,181 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 12:49:55,181 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 12:49:55,181 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 12:49:55,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 12:49:55,182 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 12:49:55,182 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 12:49:55,182 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 12:49:55,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 12:49:55,183 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 12:49:55,183 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 12:49:55,183 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 12:49:55,183 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 12:49:55,183 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 -> 4633300b13c3e317f8d3cd1cc05f3f76ba271ffedabaa8599cd9617354fa2b7b [2025-02-06 12:49:55,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 12:49:55,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 12:49:55,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 12:49:55,510 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 12:49:55,510 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 12:49:55,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2025-02-06 12:49:56,933 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5d044bad1/0941cc1531ce458aa43e1c7a0bc9a486/FLAG7fb33e01e [2025-02-06 12:49:57,316 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 12:49:57,319 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2025-02-06 12:49:57,337 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5d044bad1/0941cc1531ce458aa43e1c7a0bc9a486/FLAG7fb33e01e [2025-02-06 12:49:57,358 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5d044bad1/0941cc1531ce458aa43e1c7a0bc9a486 [2025-02-06 12:49:57,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 12:49:57,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 12:49:57,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 12:49:57,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 12:49:57,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 12:49:57,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:49:57" (1/1) ... [2025-02-06 12:49:57,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d1854a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:49:57, skipping insertion in model container [2025-02-06 12:49:57,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:49:57" (1/1) ... [2025-02-06 12:49:57,407 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 12:49:57,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 12:49:57,725 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 12:49:57,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 12:49:57,797 INFO L204 MainTranslator]: Completed translation [2025-02-06 12:49:57,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:49:57 WrapperNode [2025-02-06 12:49:57,798 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 12:49:57,799 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 12:49:57,799 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 12:49:57,799 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 12:49:57,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:49:57" (1/1) ... [2025-02-06 12:49:57,814 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:49:57" (1/1) ... [2025-02-06 12:49:57,832 INFO L138 Inliner]: procedures = 176, calls = 47, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2025-02-06 12:49:57,832 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 12:49:57,833 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 12:49:57,833 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 12:49:57,833 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 12:49:57,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:49:57" (1/1) ... [2025-02-06 12:49:57,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:49:57" (1/1) ... [2025-02-06 12:49:57,842 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:49:57" (1/1) ... [2025-02-06 12:49:57,854 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 12:49:57,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:49:57" (1/1) ... [2025-02-06 12:49:57,854 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:49:57" (1/1) ... [2025-02-06 12:49:57,858 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:49:57" (1/1) ... [2025-02-06 12:49:57,861 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:49:57" (1/1) ... [2025-02-06 12:49:57,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:49:57" (1/1) ... [2025-02-06 12:49:57,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:49:57" (1/1) ... [2025-02-06 12:49:57,870 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 12:49:57,871 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 12:49:57,872 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 12:49:57,872 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 12:49:57,873 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:49:57" (1/1) ... [2025-02-06 12:49:57,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 12:49:57,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 12:49:57,909 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 12:49:57,912 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 12:49:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-06 12:49:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 12:49:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-02-06 12:49:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-02-06 12:49:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-02-06 12:49:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-02-06 12:49:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-02-06 12:49:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-02-06 12:49:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2025-02-06 12:49:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2025-02-06 12:49:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 12:49:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-06 12:49:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 12:49:57,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 12:49:57,939 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 12:49:58,069 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 12:49:58,072 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 12:49:58,264 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 12:49:58,264 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 12:49:58,362 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 12:49:58,362 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 12:49:58,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:49:58 BoogieIcfgContainer [2025-02-06 12:49:58,362 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 12:49:58,366 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 12:49:58,366 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 12:49:58,371 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 12:49:58,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 12:49:57" (1/3) ... [2025-02-06 12:49:58,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5053498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:49:58, skipping insertion in model container [2025-02-06 12:49:58,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:49:57" (2/3) ... [2025-02-06 12:49:58,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5053498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:49:58, skipping insertion in model container [2025-02-06 12:49:58,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:49:58" (3/3) ... [2025-02-06 12:49:58,374 INFO L128 eAbstractionObserver]: Analyzing ICFG safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2025-02-06 12:49:58,388 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 12:49:58,391 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i that has 5 procedures, 49 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-02-06 12:49:58,391 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 12:49:58,450 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-06 12:49:58,492 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 61 places, 50 transitions, 116 flow [2025-02-06 12:49:58,536 INFO L124 PetriNetUnfolderBase]: 2/46 cut-off events. [2025-02-06 12:49:58,540 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 12:49:58,545 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 46 events. 2/46 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 81 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2025-02-06 12:49:58,545 INFO L82 GeneralOperation]: Start removeDead. Operand has 61 places, 50 transitions, 116 flow [2025-02-06 12:49:58,550 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 56 places, 45 transitions, 102 flow [2025-02-06 12:49:58,563 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 12:49:58,578 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;@4ef799cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 12:49:58,579 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-02-06 12:49:58,604 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 12:49:58,604 INFO L124 PetriNetUnfolderBase]: 2/43 cut-off events. [2025-02-06 12:49:58,604 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 12:49:58,604 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:49:58,605 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 12:49:58,605 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-02-06 12:49:58,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:49:58,613 INFO L85 PathProgramCache]: Analyzing trace with hash -732394886, now seen corresponding path program 1 times [2025-02-06 12:49:58,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:49:58,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956352360] [2025-02-06 12:49:58,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:49:58,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:49:58,714 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-06 12:49:58,749 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 12:49:58,750 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:49:58,750 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:49:58,937 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 12:49:58,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:49:58,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956352360] [2025-02-06 12:49:58,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956352360] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:49:58,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:49:58,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-06 12:49:58,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009369937] [2025-02-06 12:49:58,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:49:58,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 12:49:58,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:49:58,974 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 12:49:58,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 12:49:58,980 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 50 [2025-02-06 12:49:58,982 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 45 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 12:49:58,983 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:49:58,983 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 50 [2025-02-06 12:49:58,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:50:02,488 INFO L124 PetriNetUnfolderBase]: 26557/37839 cut-off events. [2025-02-06 12:50:02,490 INFO L125 PetriNetUnfolderBase]: For 186/186 co-relation queries the response was YES. [2025-02-06 12:50:02,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73369 conditions, 37839 events. 26557/37839 cut-off events. For 186/186 co-relation queries the response was YES. Maximal size of possible extension queue 1274. Compared 242172 event pairs, 26557 based on Foata normal form. 2700/40469 useless extension candidates. Maximal degree in co-relation 73357. Up to 35090 conditions per place. [2025-02-06 12:50:02,805 INFO L140 encePairwiseOnDemand]: 46/50 looper letters, 32 selfloop transitions, 1 changer transitions 1/41 dead transitions. [2025-02-06 12:50:02,806 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 41 transitions, 162 flow [2025-02-06 12:50:02,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 12:50:02,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 12:50:02,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 70 transitions. [2025-02-06 12:50:02,820 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4666666666666667 [2025-02-06 12:50:02,822 INFO L175 Difference]: Start difference. First operand has 56 places, 45 transitions, 102 flow. Second operand 3 states and 70 transitions. [2025-02-06 12:50:02,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 41 transitions, 162 flow [2025-02-06 12:50:02,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 41 transitions, 158 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-02-06 12:50:02,838 INFO L231 Difference]: Finished difference. Result has 52 places, 40 transitions, 90 flow [2025-02-06 12:50:02,841 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=90, PETRI_PLACES=52, PETRI_TRANSITIONS=40} [2025-02-06 12:50:02,847 INFO L279 CegarLoopForPetriNet]: 56 programPoint places, -4 predicate places. [2025-02-06 12:50:02,847 INFO L471 AbstractCegarLoop]: Abstraction has has 52 places, 40 transitions, 90 flow [2025-02-06 12:50:02,848 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 12:50:02,848 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:50:02,848 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 12:50:02,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 12:50:02,849 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-02-06 12:50:02,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:50:02,850 INFO L85 PathProgramCache]: Analyzing trace with hash -732394223, now seen corresponding path program 1 times [2025-02-06 12:50:02,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:50:02,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531873283] [2025-02-06 12:50:02,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:50:02,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:50:02,874 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-06 12:50:02,897 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 12:50:02,897 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:50:02,897 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:50:03,293 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 12:50:03,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:50:03,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531873283] [2025-02-06 12:50:03,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531873283] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:50:03,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:50:03,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 12:50:03,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101953097] [2025-02-06 12:50:03,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:50:03,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 12:50:03,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:50:03,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 12:50:03,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 12:50:03,301 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 50 [2025-02-06 12:50:03,301 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 40 transitions, 90 flow. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 12:50:03,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:50:03,302 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 50 [2025-02-06 12:50:03,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:50:07,074 INFO L124 PetriNetUnfolderBase]: 55784/75939 cut-off events. [2025-02-06 12:50:07,074 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 12:50:07,262 INFO L83 FinitePrefix]: Finished finitePrefix Result has 150734 conditions, 75939 events. 55784/75939 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2460. Compared 484869 event pairs, 15059 based on Foata normal form. 0/74425 useless extension candidates. Maximal degree in co-relation 150728. Up to 31629 conditions per place. [2025-02-06 12:50:07,639 INFO L140 encePairwiseOnDemand]: 40/50 looper letters, 56 selfloop transitions, 6 changer transitions 111/179 dead transitions. [2025-02-06 12:50:07,640 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 179 transitions, 720 flow [2025-02-06 12:50:07,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 12:50:07,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-02-06 12:50:07,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 274 transitions. [2025-02-06 12:50:07,646 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6088888888888889 [2025-02-06 12:50:07,646 INFO L175 Difference]: Start difference. First operand has 52 places, 40 transitions, 90 flow. Second operand 9 states and 274 transitions. [2025-02-06 12:50:07,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 179 transitions, 720 flow [2025-02-06 12:50:07,649 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 179 transitions, 719 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 12:50:07,653 INFO L231 Difference]: Finished difference. Result has 64 places, 43 transitions, 153 flow [2025-02-06 12:50:07,654 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=153, PETRI_PLACES=64, PETRI_TRANSITIONS=43} [2025-02-06 12:50:07,655 INFO L279 CegarLoopForPetriNet]: 56 programPoint places, 8 predicate places. [2025-02-06 12:50:07,655 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 43 transitions, 153 flow [2025-02-06 12:50:07,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 12:50:07,655 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:50:07,655 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 12:50:07,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 12:50:07,656 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-02-06 12:50:07,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:50:07,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1378944624, now seen corresponding path program 1 times [2025-02-06 12:50:07,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:50:07,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698548541] [2025-02-06 12:50:07,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:50:07,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:50:07,672 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 12:50:07,685 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 12:50:07,687 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:50:07,687 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:50:07,879 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 12:50:07,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:50:07,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698548541] [2025-02-06 12:50:07,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698548541] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:50:07,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:50:07,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 12:50:07,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826100008] [2025-02-06 12:50:07,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:50:07,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 12:50:07,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:50:07,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 12:50:07,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 12:50:07,883 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 50 [2025-02-06 12:50:07,883 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 43 transitions, 153 flow. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 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 12:50:07,883 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:50:07,884 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 50 [2025-02-06 12:50:07,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:50:11,058 INFO L124 PetriNetUnfolderBase]: 43845/60377 cut-off events. [2025-02-06 12:50:11,058 INFO L125 PetriNetUnfolderBase]: For 57001/57001 co-relation queries the response was YES. [2025-02-06 12:50:11,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 156662 conditions, 60377 events. 43845/60377 cut-off events. For 57001/57001 co-relation queries the response was YES. Maximal size of possible extension queue 1967. Compared 382671 event pairs, 2710 based on Foata normal form. 1455/61762 useless extension candidates. Maximal degree in co-relation 156649. Up to 29119 conditions per place. [2025-02-06 12:50:11,419 INFO L140 encePairwiseOnDemand]: 42/50 looper letters, 70 selfloop transitions, 8 changer transitions 96/180 dead transitions. [2025-02-06 12:50:11,420 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 180 transitions, 990 flow [2025-02-06 12:50:11,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 12:50:11,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-02-06 12:50:11,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 284 transitions. [2025-02-06 12:50:11,423 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.568 [2025-02-06 12:50:11,424 INFO L175 Difference]: Start difference. First operand has 64 places, 43 transitions, 153 flow. Second operand 10 states and 284 transitions. [2025-02-06 12:50:11,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 180 transitions, 990 flow [2025-02-06 12:50:12,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 180 transitions, 921 flow, removed 25 selfloop flow, removed 4 redundant places. [2025-02-06 12:50:12,363 INFO L231 Difference]: Finished difference. Result has 70 places, 47 transitions, 208 flow [2025-02-06 12:50:12,364 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=137, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=208, PETRI_PLACES=70, PETRI_TRANSITIONS=47} [2025-02-06 12:50:12,365 INFO L279 CegarLoopForPetriNet]: 56 programPoint places, 14 predicate places. [2025-02-06 12:50:12,365 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 47 transitions, 208 flow [2025-02-06 12:50:12,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 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 12:50:12,365 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:50:12,365 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 12:50:12,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 12:50:12,366 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-02-06 12:50:12,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:50:12,366 INFO L85 PathProgramCache]: Analyzing trace with hash -355061750, now seen corresponding path program 1 times [2025-02-06 12:50:12,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:50:12,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021293592] [2025-02-06 12:50:12,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:50:12,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:50:12,379 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 12:50:12,394 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 12:50:12,394 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:50:12,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:50:12,635 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 12:50:12,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:50:12,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021293592] [2025-02-06 12:50:12,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021293592] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:50:12,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:50:12,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 12:50:12,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17270919] [2025-02-06 12:50:12,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:50:12,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 12:50:12,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:50:12,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 12:50:12,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 12:50:12,639 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 50 [2025-02-06 12:50:12,640 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 47 transitions, 208 flow. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 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 12:50:12,640 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:50:12,640 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 50 [2025-02-06 12:50:12,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:50:15,883 INFO L124 PetriNetUnfolderBase]: 40497/55642 cut-off events. [2025-02-06 12:50:15,883 INFO L125 PetriNetUnfolderBase]: For 77593/77593 co-relation queries the response was YES. [2025-02-06 12:50:16,151 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152882 conditions, 55642 events. 40497/55642 cut-off events. For 77593/77593 co-relation queries the response was YES. Maximal size of possible extension queue 1700. Compared 345615 event pairs, 8832 based on Foata normal form. 1200/56828 useless extension candidates. Maximal degree in co-relation 152863. Up to 26666 conditions per place. [2025-02-06 12:50:16,342 INFO L140 encePairwiseOnDemand]: 42/50 looper letters, 79 selfloop transitions, 8 changer transitions 92/185 dead transitions. [2025-02-06 12:50:16,342 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 185 transitions, 1013 flow [2025-02-06 12:50:16,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 12:50:16,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-02-06 12:50:16,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 282 transitions. [2025-02-06 12:50:16,344 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.564 [2025-02-06 12:50:16,344 INFO L175 Difference]: Start difference. First operand has 70 places, 47 transitions, 208 flow. Second operand 10 states and 282 transitions. [2025-02-06 12:50:16,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 185 transitions, 1013 flow [2025-02-06 12:50:17,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 185 transitions, 965 flow, removed 24 selfloop flow, removed 5 redundant places. [2025-02-06 12:50:17,633 INFO L231 Difference]: Finished difference. Result has 77 places, 50 transitions, 268 flow [2025-02-06 12:50:17,633 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=268, PETRI_PLACES=77, PETRI_TRANSITIONS=50} [2025-02-06 12:50:17,634 INFO L279 CegarLoopForPetriNet]: 56 programPoint places, 21 predicate places. [2025-02-06 12:50:17,634 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 50 transitions, 268 flow [2025-02-06 12:50:17,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 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 12:50:17,634 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:50:17,635 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] [2025-02-06 12:50:17,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 12:50:17,635 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-02-06 12:50:17,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:50:17,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1545401839, now seen corresponding path program 1 times [2025-02-06 12:50:17,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:50:17,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318797195] [2025-02-06 12:50:17,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:50:17,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:50:17,646 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 12:50:17,655 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 12:50:17,657 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:50:17,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:50:17,809 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 12:50:17,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:50:17,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318797195] [2025-02-06 12:50:17,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318797195] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:50:17,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:50:17,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 12:50:17,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474126077] [2025-02-06 12:50:17,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:50:17,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 12:50:17,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:50:17,812 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 12:50:17,812 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-02-06 12:50:17,814 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 50 [2025-02-06 12:50:17,815 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 50 transitions, 268 flow. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 12:50:17,815 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:50:17,815 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 50 [2025-02-06 12:50:17,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:50:22,054 INFO L124 PetriNetUnfolderBase]: 56723/77225 cut-off events. [2025-02-06 12:50:22,054 INFO L125 PetriNetUnfolderBase]: For 116895/116895 co-relation queries the response was YES. [2025-02-06 12:50:22,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 212799 conditions, 77225 events. 56723/77225 cut-off events. For 116895/116895 co-relation queries the response was YES. Maximal size of possible extension queue 2452. Compared 487242 event pairs, 9410 based on Foata normal form. 1080/78235 useless extension candidates. Maximal degree in co-relation 212774. Up to 28760 conditions per place. [2025-02-06 12:50:22,721 INFO L140 encePairwiseOnDemand]: 42/50 looper letters, 79 selfloop transitions, 8 changer transitions 54/147 dead transitions. [2025-02-06 12:50:22,721 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 147 transitions, 914 flow [2025-02-06 12:50:22,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 12:50:22,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-02-06 12:50:22,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 208 transitions. [2025-02-06 12:50:22,725 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5942857142857143 [2025-02-06 12:50:22,725 INFO L175 Difference]: Start difference. First operand has 77 places, 50 transitions, 268 flow. Second operand 7 states and 208 transitions. [2025-02-06 12:50:22,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 147 transitions, 914 flow [2025-02-06 12:50:26,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 147 transitions, 877 flow, removed 16 selfloop flow, removed 6 redundant places. [2025-02-06 12:50:26,021 INFO L231 Difference]: Finished difference. Result has 74 places, 47 transitions, 245 flow [2025-02-06 12:50:26,021 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=245, PETRI_PLACES=74, PETRI_TRANSITIONS=47} [2025-02-06 12:50:26,022 INFO L279 CegarLoopForPetriNet]: 56 programPoint places, 18 predicate places. [2025-02-06 12:50:26,022 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 47 transitions, 245 flow [2025-02-06 12:50:26,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 12:50:26,022 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:50:26,022 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] [2025-02-06 12:50:26,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 12:50:26,023 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-02-06 12:50:26,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:50:26,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1076768983, now seen corresponding path program 2 times [2025-02-06 12:50:26,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:50:26,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735342678] [2025-02-06 12:50:26,023 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 12:50:26,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:50:26,032 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 21 statements into 1 equivalence classes. [2025-02-06 12:50:26,040 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 12:50:26,041 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 12:50:26,041 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:50:26,155 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 12:50:26,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:50:26,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735342678] [2025-02-06 12:50:26,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735342678] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:50:26,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:50:26,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 12:50:26,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531319704] [2025-02-06 12:50:26,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:50:26,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 12:50:26,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:50:26,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 12:50:26,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 12:50:26,160 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 50 [2025-02-06 12:50:26,161 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 47 transitions, 245 flow. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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 12:50:26,161 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:50:26,161 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 50 [2025-02-06 12:50:26,161 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:50:28,639 INFO L124 PetriNetUnfolderBase]: 34559/48330 cut-off events. [2025-02-06 12:50:28,640 INFO L125 PetriNetUnfolderBase]: For 70812/70812 co-relation queries the response was YES. [2025-02-06 12:50:28,863 INFO L83 FinitePrefix]: Finished finitePrefix Result has 131868 conditions, 48330 events. 34559/48330 cut-off events. For 70812/70812 co-relation queries the response was YES. Maximal size of possible extension queue 1474. Compared 303313 event pairs, 15557 based on Foata normal form. 920/49242 useless extension candidates. Maximal degree in co-relation 131844. Up to 37516 conditions per place. [2025-02-06 12:50:28,966 INFO L140 encePairwiseOnDemand]: 45/50 looper letters, 56 selfloop transitions, 3 changer transitions 59/124 dead transitions. [2025-02-06 12:50:28,966 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 124 transitions, 751 flow [2025-02-06 12:50:28,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 12:50:28,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-02-06 12:50:28,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 188 transitions. [2025-02-06 12:50:28,968 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5371428571428571 [2025-02-06 12:50:28,968 INFO L175 Difference]: Start difference. First operand has 74 places, 47 transitions, 245 flow. Second operand 7 states and 188 transitions. [2025-02-06 12:50:28,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 124 transitions, 751 flow [2025-02-06 12:50:29,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 124 transitions, 685 flow, removed 12 selfloop flow, removed 10 redundant places. [2025-02-06 12:50:29,670 INFO L231 Difference]: Finished difference. Result has 73 places, 47 transitions, 222 flow [2025-02-06 12:50:29,670 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=203, PETRI_DIFFERENCE_MINUEND_PLACES=62, 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=222, PETRI_PLACES=73, PETRI_TRANSITIONS=47} [2025-02-06 12:50:29,670 INFO L279 CegarLoopForPetriNet]: 56 programPoint places, 17 predicate places. [2025-02-06 12:50:29,670 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 47 transitions, 222 flow [2025-02-06 12:50:29,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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 12:50:29,671 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:50:29,671 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 12:50:29,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 12:50:29,671 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-02-06 12:50:29,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:50:29,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1055196950, now seen corresponding path program 1 times [2025-02-06 12:50:29,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:50:29,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264614345] [2025-02-06 12:50:29,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:50:29,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:50:29,683 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-06 12:50:29,692 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-06 12:50:29,693 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:50:29,693 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:50:29,805 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 12:50:29,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:50:29,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264614345] [2025-02-06 12:50:29,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264614345] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:50:29,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:50:29,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 12:50:29,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942171516] [2025-02-06 12:50:29,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:50:29,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 12:50:29,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:50:29,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 12:50:29,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 12:50:29,809 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 50 [2025-02-06 12:50:29,809 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 47 transitions, 222 flow. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 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 12:50:29,809 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:50:29,809 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 50 [2025-02-06 12:50:29,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:50:33,297 INFO L124 PetriNetUnfolderBase]: 48170/66118 cut-off events. [2025-02-06 12:50:33,297 INFO L125 PetriNetUnfolderBase]: For 89404/89404 co-relation queries the response was YES. [2025-02-06 12:50:33,637 INFO L83 FinitePrefix]: Finished finitePrefix Result has 175946 conditions, 66118 events. 48170/66118 cut-off events. For 89404/89404 co-relation queries the response was YES. Maximal size of possible extension queue 1944. Compared 417254 event pairs, 13613 based on Foata normal form. 1000/67115 useless extension candidates. Maximal degree in co-relation 175924. Up to 29642 conditions per place. [2025-02-06 12:50:33,735 INFO L140 encePairwiseOnDemand]: 44/50 looper letters, 71 selfloop transitions, 4 changer transitions 88/169 dead transitions. [2025-02-06 12:50:33,735 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 169 transitions, 1094 flow [2025-02-06 12:50:33,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 12:50:33,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-02-06 12:50:33,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 227 transitions. [2025-02-06 12:50:33,737 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5675 [2025-02-06 12:50:33,737 INFO L175 Difference]: Start difference. First operand has 73 places, 47 transitions, 222 flow. Second operand 8 states and 227 transitions. [2025-02-06 12:50:33,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 169 transitions, 1094 flow [2025-02-06 12:50:34,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 169 transitions, 1068 flow, removed 8 selfloop flow, removed 6 redundant places. [2025-02-06 12:50:34,753 INFO L231 Difference]: Finished difference. Result has 76 places, 47 transitions, 233 flow [2025-02-06 12:50:34,753 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=233, PETRI_PLACES=76, PETRI_TRANSITIONS=47} [2025-02-06 12:50:34,754 INFO L279 CegarLoopForPetriNet]: 56 programPoint places, 20 predicate places. [2025-02-06 12:50:34,754 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 47 transitions, 233 flow [2025-02-06 12:50:34,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 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 12:50:34,754 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:50:34,754 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] [2025-02-06 12:50:34,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 12:50:34,754 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-02-06 12:50:34,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:50:34,755 INFO L85 PathProgramCache]: Analyzing trace with hash -230124629, now seen corresponding path program 1 times [2025-02-06 12:50:34,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:50:34,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204404446] [2025-02-06 12:50:34,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:50:34,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:50:34,761 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-06 12:50:34,766 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-06 12:50:34,766 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:50:34,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:50:34,860 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 12:50:34,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:50:34,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204404446] [2025-02-06 12:50:34,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204404446] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:50:34,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:50:34,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 12:50:34,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924002865] [2025-02-06 12:50:34,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:50:34,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 12:50:34,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:50:34,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 12:50:34,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 12:50:34,863 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 50 [2025-02-06 12:50:34,863 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 47 transitions, 233 flow. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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 12:50:34,865 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:50:34,865 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 50 [2025-02-06 12:50:34,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:50:37,332 INFO L124 PetriNetUnfolderBase]: 33516/45963 cut-off events. [2025-02-06 12:50:37,332 INFO L125 PetriNetUnfolderBase]: For 63261/63261 co-relation queries the response was YES. [2025-02-06 12:50:37,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123063 conditions, 45963 events. 33516/45963 cut-off events. For 63261/63261 co-relation queries the response was YES. Maximal size of possible extension queue 1230. Compared 270184 event pairs, 11588 based on Foata normal form. 720/46672 useless extension candidates. Maximal degree in co-relation 123039. Up to 22892 conditions per place. [2025-02-06 12:50:37,699 INFO L140 encePairwiseOnDemand]: 45/50 looper letters, 57 selfloop transitions, 4 changer transitions 58/125 dead transitions. [2025-02-06 12:50:37,699 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 125 transitions, 711 flow [2025-02-06 12:50:37,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 12:50:37,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-02-06 12:50:37,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 192 transitions. [2025-02-06 12:50:37,701 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5485714285714286 [2025-02-06 12:50:37,701 INFO L175 Difference]: Start difference. First operand has 76 places, 47 transitions, 233 flow. Second operand 7 states and 192 transitions. [2025-02-06 12:50:37,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 125 transitions, 711 flow [2025-02-06 12:50:38,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 125 transitions, 669 flow, removed 16 selfloop flow, removed 8 redundant places. [2025-02-06 12:50:38,440 INFO L231 Difference]: Finished difference. Result has 75 places, 46 transitions, 225 flow [2025-02-06 12:50:38,440 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=211, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=225, PETRI_PLACES=75, PETRI_TRANSITIONS=46} [2025-02-06 12:50:38,441 INFO L279 CegarLoopForPetriNet]: 56 programPoint places, 19 predicate places. [2025-02-06 12:50:38,441 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 46 transitions, 225 flow [2025-02-06 12:50:38,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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 12:50:38,441 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:50:38,441 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] [2025-02-06 12:50:38,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 12:50:38,441 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-02-06 12:50:38,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:50:38,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1895218287, now seen corresponding path program 1 times [2025-02-06 12:50:38,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:50:38,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694892298] [2025-02-06 12:50:38,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:50:38,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:50:38,449 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 12:50:38,462 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 12:50:38,462 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:50:38,462 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:50:38,585 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 12:50:38,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:50:38,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694892298] [2025-02-06 12:50:38,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694892298] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:50:38,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:50:38,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 12:50:38,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987698380] [2025-02-06 12:50:38,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:50:38,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 12:50:38,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:50:38,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 12:50:38,587 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 12:50:38,587 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 50 [2025-02-06 12:50:38,587 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 46 transitions, 225 flow. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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 12:50:38,587 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:50:38,587 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 50 [2025-02-06 12:50:38,587 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:50:40,644 INFO L124 PetriNetUnfolderBase]: 27108/38767 cut-off events. [2025-02-06 12:50:40,644 INFO L125 PetriNetUnfolderBase]: For 49563/49563 co-relation queries the response was YES. [2025-02-06 12:50:40,819 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99022 conditions, 38767 events. 27108/38767 cut-off events. For 49563/49563 co-relation queries the response was YES. Maximal size of possible extension queue 1078. Compared 245896 event pairs, 4346 based on Foata normal form. 1281/40041 useless extension candidates. Maximal degree in co-relation 99000. Up to 23105 conditions per place. [2025-02-06 12:50:40,889 INFO L140 encePairwiseOnDemand]: 43/50 looper letters, 81 selfloop transitions, 6 changer transitions 5/98 dead transitions. [2025-02-06 12:50:40,890 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 98 transitions, 703 flow [2025-02-06 12:50:40,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 12:50:40,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-06 12:50:40,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 121 transitions. [2025-02-06 12:50:40,890 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.605 [2025-02-06 12:50:40,891 INFO L175 Difference]: Start difference. First operand has 75 places, 46 transitions, 225 flow. Second operand 4 states and 121 transitions. [2025-02-06 12:50:40,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 98 transitions, 703 flow [2025-02-06 12:50:41,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 98 transitions, 645 flow, removed 7 selfloop flow, removed 7 redundant places. [2025-02-06 12:50:41,146 INFO L231 Difference]: Finished difference. Result has 69 places, 50 transitions, 241 flow [2025-02-06 12:50:41,147 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=199, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=241, PETRI_PLACES=69, PETRI_TRANSITIONS=50} [2025-02-06 12:50:41,147 INFO L279 CegarLoopForPetriNet]: 56 programPoint places, 13 predicate places. [2025-02-06 12:50:41,147 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 50 transitions, 241 flow [2025-02-06 12:50:41,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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 12:50:41,148 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:50:41,148 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 12:50:41,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 12:50:41,148 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-02-06 12:50:41,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:50:41,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1276327800, now seen corresponding path program 1 times [2025-02-06 12:50:41,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:50:41,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360108206] [2025-02-06 12:50:41,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:50:41,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:50:41,154 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-06 12:50:41,160 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-06 12:50:41,161 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:50:41,161 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:50:41,248 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 12:50:41,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:50:41,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360108206] [2025-02-06 12:50:41,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360108206] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:50:41,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:50:41,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 12:50:41,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690786701] [2025-02-06 12:50:41,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:50:41,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 12:50:41,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:50:41,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 12:50:41,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 12:50:41,252 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 50 [2025-02-06 12:50:41,252 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 50 transitions, 241 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) [2025-02-06 12:50:41,252 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:50:41,252 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 50 [2025-02-06 12:50:41,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:50:42,718 INFO L124 PetriNetUnfolderBase]: 19462/27908 cut-off events. [2025-02-06 12:50:42,719 INFO L125 PetriNetUnfolderBase]: For 29044/29044 co-relation queries the response was YES. [2025-02-06 12:50:42,868 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76758 conditions, 27908 events. 19462/27908 cut-off events. For 29044/29044 co-relation queries the response was YES. Maximal size of possible extension queue 809. Compared 167092 event pairs, 1858 based on Foata normal form. 1148/29049 useless extension candidates. Maximal degree in co-relation 76739. Up to 13245 conditions per place. [2025-02-06 12:50:42,928 INFO L140 encePairwiseOnDemand]: 43/50 looper letters, 95 selfloop transitions, 10 changer transitions 7/118 dead transitions. [2025-02-06 12:50:42,928 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 118 transitions, 813 flow [2025-02-06 12:50:42,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 12:50:42,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-02-06 12:50:42,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 154 transitions. [2025-02-06 12:50:42,929 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.616 [2025-02-06 12:50:42,929 INFO L175 Difference]: Start difference. First operand has 69 places, 50 transitions, 241 flow. Second operand 5 states and 154 transitions. [2025-02-06 12:50:42,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 118 transitions, 813 flow [2025-02-06 12:50:42,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 118 transitions, 793 flow, removed 2 selfloop flow, removed 3 redundant places. [2025-02-06 12:50:42,951 INFO L231 Difference]: Finished difference. Result has 72 places, 54 transitions, 287 flow [2025-02-06 12:50:42,952 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=287, PETRI_PLACES=72, PETRI_TRANSITIONS=54} [2025-02-06 12:50:42,952 INFO L279 CegarLoopForPetriNet]: 56 programPoint places, 16 predicate places. [2025-02-06 12:50:42,952 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 54 transitions, 287 flow [2025-02-06 12:50:42,952 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) [2025-02-06 12:50:42,952 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:50:42,952 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] [2025-02-06 12:50:42,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-06 12:50:42,953 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-02-06 12:50:42,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:50:42,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1027605987, now seen corresponding path program 1 times [2025-02-06 12:50:42,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:50:42,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841304101] [2025-02-06 12:50:42,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:50:42,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:50:42,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-06 12:50:42,964 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-06 12:50:42,964 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:50:42,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:50:43,361 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 12:50:43,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:50:43,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841304101] [2025-02-06 12:50:43,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841304101] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:50:43,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:50:43,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 12:50:43,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608069304] [2025-02-06 12:50:43,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:50:43,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 12:50:43,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:50:43,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 12:50:43,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-06 12:50:43,364 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 50 [2025-02-06 12:50:43,365 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 54 transitions, 287 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 12:50:43,365 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:50:43,365 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 50 [2025-02-06 12:50:43,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:50:44,368 INFO L124 PetriNetUnfolderBase]: 11870/16916 cut-off events. [2025-02-06 12:50:44,369 INFO L125 PetriNetUnfolderBase]: For 25488/25488 co-relation queries the response was YES. [2025-02-06 12:50:44,452 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50801 conditions, 16916 events. 11870/16916 cut-off events. For 25488/25488 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 92210 event pairs, 880 based on Foata normal form. 748/17657 useless extension candidates. Maximal degree in co-relation 50781. Up to 5108 conditions per place. [2025-02-06 12:50:44,492 INFO L140 encePairwiseOnDemand]: 43/50 looper letters, 106 selfloop transitions, 14 changer transitions 10/136 dead transitions. [2025-02-06 12:50:44,492 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 136 transitions, 970 flow [2025-02-06 12:50:44,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 12:50:44,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 12:50:44,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 185 transitions. [2025-02-06 12:50:44,493 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6166666666666667 [2025-02-06 12:50:44,493 INFO L175 Difference]: Start difference. First operand has 72 places, 54 transitions, 287 flow. Second operand 6 states and 185 transitions. [2025-02-06 12:50:44,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 136 transitions, 970 flow [2025-02-06 12:50:44,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 136 transitions, 940 flow, removed 5 selfloop flow, removed 4 redundant places. [2025-02-06 12:50:44,586 INFO L231 Difference]: Finished difference. Result has 75 places, 57 transitions, 330 flow [2025-02-06 12:50:44,586 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=330, PETRI_PLACES=75, PETRI_TRANSITIONS=57} [2025-02-06 12:50:44,586 INFO L279 CegarLoopForPetriNet]: 56 programPoint places, 19 predicate places. [2025-02-06 12:50:44,587 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 57 transitions, 330 flow [2025-02-06 12:50:44,587 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 12:50:44,587 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:50:44,587 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] [2025-02-06 12:50:44,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-06 12:50:44,587 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-02-06 12:50:44,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:50:44,588 INFO L85 PathProgramCache]: Analyzing trace with hash -875811705, now seen corresponding path program 1 times [2025-02-06 12:50:44,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:50:44,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567906773] [2025-02-06 12:50:44,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:50:44,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:50:44,597 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 12:50:44,608 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 12:50:44,611 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:50:44,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:50:44,729 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 12:50:44,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:50:44,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567906773] [2025-02-06 12:50:44,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567906773] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:50:44,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:50:44,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 12:50:44,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134280550] [2025-02-06 12:50:44,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:50:44,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 12:50:44,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:50:44,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 12:50:44,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 12:50:44,731 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 50 [2025-02-06 12:50:44,731 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 57 transitions, 330 flow. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 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 12:50:44,731 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:50:44,731 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 50 [2025-02-06 12:50:44,731 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:50:45,486 INFO L124 PetriNetUnfolderBase]: 6466/9132 cut-off events. [2025-02-06 12:50:45,486 INFO L125 PetriNetUnfolderBase]: For 18892/18892 co-relation queries the response was YES. [2025-02-06 12:50:45,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29854 conditions, 9132 events. 6466/9132 cut-off events. For 18892/18892 co-relation queries the response was YES. Maximal size of possible extension queue 314. Compared 45569 event pairs, 538 based on Foata normal form. 208/9333 useless extension candidates. Maximal degree in co-relation 29833. Up to 2916 conditions per place. [2025-02-06 12:50:45,531 INFO L140 encePairwiseOnDemand]: 43/50 looper letters, 84 selfloop transitions, 18 changer transitions 15/123 dead transitions. [2025-02-06 12:50:45,531 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 123 transitions, 865 flow [2025-02-06 12:50:45,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 12:50:45,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-02-06 12:50:45,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 189 transitions. [2025-02-06 12:50:45,533 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.54 [2025-02-06 12:50:45,533 INFO L175 Difference]: Start difference. First operand has 75 places, 57 transitions, 330 flow. Second operand 7 states and 189 transitions. [2025-02-06 12:50:45,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 123 transitions, 865 flow [2025-02-06 12:50:45,618 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 123 transitions, 796 flow, removed 13 selfloop flow, removed 7 redundant places. [2025-02-06 12:50:45,619 INFO L231 Difference]: Finished difference. Result has 76 places, 53 transitions, 296 flow [2025-02-06 12:50:45,620 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=273, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=296, PETRI_PLACES=76, PETRI_TRANSITIONS=53} [2025-02-06 12:50:45,620 INFO L279 CegarLoopForPetriNet]: 56 programPoint places, 20 predicate places. [2025-02-06 12:50:45,620 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 53 transitions, 296 flow [2025-02-06 12:50:45,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 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 12:50:45,621 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:50:45,621 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] [2025-02-06 12:50:45,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-06 12:50:45,621 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-02-06 12:50:45,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:50:45,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1614117128, now seen corresponding path program 1 times [2025-02-06 12:50:45,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:50:45,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565737395] [2025-02-06 12:50:45,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:50:45,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:50:45,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-06 12:50:45,636 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 12:50:45,636 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:50:45,636 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:50:45,752 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 12:50:45,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:50:45,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565737395] [2025-02-06 12:50:45,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565737395] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:50:45,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:50:45,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 12:50:45,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343963141] [2025-02-06 12:50:45,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:50:45,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 12:50:45,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:50:45,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 12:50:45,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 12:50:45,756 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 50 [2025-02-06 12:50:45,756 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 53 transitions, 296 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 12:50:45,756 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:50:45,756 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 50 [2025-02-06 12:50:45,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:50:46,102 INFO L124 PetriNetUnfolderBase]: 3196/4481 cut-off events. [2025-02-06 12:50:46,103 INFO L125 PetriNetUnfolderBase]: For 8550/8550 co-relation queries the response was YES. [2025-02-06 12:50:46,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14388 conditions, 4481 events. 3196/4481 cut-off events. For 8550/8550 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 19538 event pairs, 524 based on Foata normal form. 16/4497 useless extension candidates. Maximal degree in co-relation 14368. Up to 3024 conditions per place. [2025-02-06 12:50:46,127 INFO L140 encePairwiseOnDemand]: 45/50 looper letters, 0 selfloop transitions, 0 changer transitions 82/82 dead transitions. [2025-02-06 12:50:46,127 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 82 transitions, 578 flow [2025-02-06 12:50:46,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 12:50:46,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 12:50:46,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 125 transitions. [2025-02-06 12:50:46,128 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4166666666666667 [2025-02-06 12:50:46,129 INFO L175 Difference]: Start difference. First operand has 76 places, 53 transitions, 296 flow. Second operand 6 states and 125 transitions. [2025-02-06 12:50:46,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 82 transitions, 578 flow [2025-02-06 12:50:46,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 82 transitions, 412 flow, removed 27 selfloop flow, removed 16 redundant places. [2025-02-06 12:50:46,159 INFO L231 Difference]: Finished difference. Result has 61 places, 0 transitions, 0 flow [2025-02-06 12:50:46,159 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=165, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=61, PETRI_TRANSITIONS=0} [2025-02-06 12:50:46,160 INFO L279 CegarLoopForPetriNet]: 56 programPoint places, 5 predicate places. [2025-02-06 12:50:46,160 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 0 transitions, 0 flow [2025-02-06 12:50:46,160 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 12:50:46,164 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining) [2025-02-06 12:50:46,164 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining) [2025-02-06 12:50:46,164 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2025-02-06 12:50:46,164 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2025-02-06 12:50:46,165 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2025-02-06 12:50:46,165 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2025-02-06 12:50:46,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-06 12:50:46,165 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 12:50:46,168 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-06 12:50:46,168 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 12:50:46,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 12:50:46 BasicIcfg [2025-02-06 12:50:46,177 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 12:50:46,178 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 12:50:46,178 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 12:50:46,178 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 12:50:46,179 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:49:58" (3/4) ... [2025-02-06 12:50:46,181 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 12:50:46,184 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2025-02-06 12:50:46,184 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2025-02-06 12:50:46,184 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2025-02-06 12:50:46,184 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P3 [2025-02-06 12:50:46,187 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2025-02-06 12:50:46,189 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-02-06 12:50:46,189 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-06 12:50:46,190 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-06 12:50:46,264 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 12:50:46,264 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 12:50:46,264 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 12:50:46,265 INFO L158 Benchmark]: Toolchain (without parser) took 48901.55ms. Allocated memory was 167.8MB in the beginning and 14.0GB in the end (delta: 13.8GB). Free memory was 123.5MB in the beginning and 10.4GB in the end (delta: -10.3GB). Peak memory consumption was 3.5GB. Max. memory is 16.1GB. [2025-02-06 12:50:46,265 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 116.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 12:50:46,265 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.28ms. Allocated memory is still 167.8MB. Free memory was 123.5MB in the beginning and 102.7MB in the end (delta: 20.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 12:50:46,265 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.74ms. Allocated memory is still 167.8MB. Free memory was 102.7MB in the beginning and 101.2MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 12:50:46,266 INFO L158 Benchmark]: Boogie Preprocessor took 37.33ms. Allocated memory is still 167.8MB. Free memory was 101.2MB in the beginning and 99.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 12:50:46,266 INFO L158 Benchmark]: IcfgBuilder took 491.19ms. Allocated memory is still 167.8MB. Free memory was 99.8MB in the beginning and 78.4MB in the end (delta: 21.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 12:50:46,266 INFO L158 Benchmark]: TraceAbstraction took 47810.37ms. Allocated memory was 167.8MB in the beginning and 14.0GB in the end (delta: 13.8GB). Free memory was 78.4MB in the beginning and 10.4GB in the end (delta: -10.3GB). Peak memory consumption was 3.5GB. Max. memory is 16.1GB. [2025-02-06 12:50:46,266 INFO L158 Benchmark]: Witness Printer took 86.56ms. Allocated memory is still 14.0GB. Free memory was 10.4GB in the beginning and 10.4GB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 12:50:46,267 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 116.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 432.28ms. Allocated memory is still 167.8MB. Free memory was 123.5MB in the beginning and 102.7MB in the end (delta: 20.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.74ms. Allocated memory is still 167.8MB. Free memory was 102.7MB in the beginning and 101.2MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.33ms. Allocated memory is still 167.8MB. Free memory was 101.2MB in the beginning and 99.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 491.19ms. Allocated memory is still 167.8MB. Free memory was 99.8MB in the beginning and 78.4MB in the end (delta: 21.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 47810.37ms. Allocated memory was 167.8MB in the beginning and 14.0GB in the end (delta: 13.8GB). Free memory was 78.4MB in the beginning and 10.4GB in the end (delta: -10.3GB). Peak memory consumption was 3.5GB. Max. memory is 16.1GB. * Witness Printer took 86.56ms. Allocated memory is still 14.0GB. Free memory was 10.4GB in the beginning and 10.4GB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 786]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 79 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 47.7s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 44.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1237 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1233 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2612 IncrementalHoareTripleChecker+Invalid, 2653 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 2 mSDtfsCounter, 2612 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 100 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=330occurred in iteration=11, InterpolantAutomatonStates: 89, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 308 NumberOfCodeBlocks, 308 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 295 ConstructedInterpolants, 0 QuantifiedInterpolants, 1047 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-06 12:50:46,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE