./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/mix014_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aae506-a7d2-4332-8ede-8de8385e71d9/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aae506-a7d2-4332-8ede-8de8385e71d9/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aae506-a7d2-4332-8ede-8de8385e71d9/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aae506-a7d2-4332-8ede-8de8385e71d9/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/mix014_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aae506-a7d2-4332-8ede-8de8385e71d9/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aae506-a7d2-4332-8ede-8de8385e71d9/bin/uautomizer-verify-aQ6SnzHsRB --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 a75df8feda97f2ebeb5cc4266066f8deba1b6726a771b6143f22a640cfcf63d2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:24:45,343 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:24:45,448 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aae506-a7d2-4332-8ede-8de8385e71d9/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-27 20:24:45,461 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:24:45,462 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:24:45,511 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:24:45,513 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:24:45,513 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:24:45,514 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:24:45,515 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:24:45,516 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:24:45,516 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:24:45,516 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:24:45,517 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:24:45,517 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:24:45,517 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:24:45,517 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:24:45,518 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:24:45,518 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:24:45,518 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:24:45,519 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-27 20:24:45,519 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-27 20:24:45,519 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-27 20:24:45,519 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:24:45,519 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 20:24:45,519 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:24:45,520 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:24:45,520 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:24:45,520 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:24:45,520 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:24:45,520 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:24:45,520 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:24:45,521 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:24:45,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:24:45,521 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:24:45,522 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:24:45,522 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:24:45,522 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:24:45,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:24:45,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:24:45,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:24:45,523 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:24:45,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:24:45,523 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:24:45,523 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:24:45,523 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:24:45,524 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:24:45,524 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aae506-a7d2-4332-8ede-8de8385e71d9/bin/uautomizer-verify-aQ6SnzHsRB 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 -> a75df8feda97f2ebeb5cc4266066f8deba1b6726a771b6143f22a640cfcf63d2 [2024-11-27 20:24:45,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:24:45,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:24:45,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:24:45,918 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:24:45,918 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:24:45,920 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aae506-a7d2-4332-8ede-8de8385e71d9/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/mix014_power.oepc_pso.oepc_rmo.oepc.i [2024-11-27 20:24:49,279 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aae506-a7d2-4332-8ede-8de8385e71d9/bin/uautomizer-verify-aQ6SnzHsRB/data/97e4f05dd/c2cf623a436d409d9e5f5404adef7c0d/FLAGec7afb681 [2024-11-27 20:24:49,690 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:24:49,690 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aae506-a7d2-4332-8ede-8de8385e71d9/sv-benchmarks/c/pthread-wmm/mix014_power.oepc_pso.oepc_rmo.oepc.i [2024-11-27 20:24:49,717 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aae506-a7d2-4332-8ede-8de8385e71d9/bin/uautomizer-verify-aQ6SnzHsRB/data/97e4f05dd/c2cf623a436d409d9e5f5404adef7c0d/FLAGec7afb681 [2024-11-27 20:24:49,747 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aae506-a7d2-4332-8ede-8de8385e71d9/bin/uautomizer-verify-aQ6SnzHsRB/data/97e4f05dd/c2cf623a436d409d9e5f5404adef7c0d [2024-11-27 20:24:49,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:24:49,752 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:24:49,754 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:24:49,755 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:24:49,760 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:24:49,761 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:24:49" (1/1) ... [2024-11-27 20:24:49,764 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46dab861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:49, skipping insertion in model container [2024-11-27 20:24:49,764 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:24:49" (1/1) ... [2024-11-27 20:24:49,816 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:24:50,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:24:50,471 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:24:50,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:24:50,682 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:24:50,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:50 WrapperNode [2024-11-27 20:24:50,683 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:24:50,684 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:24:50,684 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:24:50,684 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:24:50,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:50" (1/1) ... [2024-11-27 20:24:50,727 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:50" (1/1) ... [2024-11-27 20:24:50,784 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 133 [2024-11-27 20:24:50,784 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:24:50,785 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:24:50,789 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:24:50,789 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:24:50,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:50" (1/1) ... [2024-11-27 20:24:50,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:50" (1/1) ... [2024-11-27 20:24:50,813 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:50" (1/1) ... [2024-11-27 20:24:50,857 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-27 20:24:50,857 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:50" (1/1) ... [2024-11-27 20:24:50,857 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:50" (1/1) ... [2024-11-27 20:24:50,874 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:50" (1/1) ... [2024-11-27 20:24:50,878 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:50" (1/1) ... [2024-11-27 20:24:50,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:50" (1/1) ... [2024-11-27 20:24:50,886 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:50" (1/1) ... [2024-11-27 20:24:50,888 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:50" (1/1) ... [2024-11-27 20:24:50,894 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:24:50,902 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:24:50,903 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:24:50,903 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:24:50,904 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:50" (1/1) ... [2024-11-27 20:24:50,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:24:50,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aae506-a7d2-4332-8ede-8de8385e71d9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:24:50,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aae506-a7d2-4332-8ede-8de8385e71d9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:24:50,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69aae506-a7d2-4332-8ede-8de8385e71d9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:24:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-27 20:24:50,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:24:50,983 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-27 20:24:50,983 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-27 20:24:50,983 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-27 20:24:50,983 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-27 20:24:50,983 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-27 20:24:50,983 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-27 20:24:50,983 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-27 20:24:50,983 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-27 20:24:50,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:24:50,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-27 20:24:50,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:24:50,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:24:50,986 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 20:24:51,159 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:24:51,161 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:24:51,701 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 20:24:51,701 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:24:52,043 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:24:52,043 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 20:24:52,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:24:52 BoogieIcfgContainer [2024-11-27 20:24:52,044 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:24:52,050 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:24:52,050 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:24:52,057 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:24:52,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:24:49" (1/3) ... [2024-11-27 20:24:52,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7660ef51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:24:52, skipping insertion in model container [2024-11-27 20:24:52,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:50" (2/3) ... [2024-11-27 20:24:52,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7660ef51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:24:52, skipping insertion in model container [2024-11-27 20:24:52,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:24:52" (3/3) ... [2024-11-27 20:24:52,060 INFO L128 eAbstractionObserver]: Analyzing ICFG mix014_power.oepc_pso.oepc_rmo.oepc.i [2024-11-27 20:24:52,078 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:24:52,081 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix014_power.oepc_pso.oepc_rmo.oepc.i that has 5 procedures, 54 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-27 20:24:52,082 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 20:24:52,187 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-27 20:24:52,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 66 places, 55 transitions, 126 flow [2024-11-27 20:24:52,308 INFO L124 PetriNetUnfolderBase]: 2/51 cut-off events. [2024-11-27 20:24:52,310 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 20:24:52,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 51 events. 2/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 107 event pairs, 0 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2024-11-27 20:24:52,317 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 55 transitions, 126 flow [2024-11-27 20:24:52,324 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 62 places, 51 transitions, 114 flow [2024-11-27 20:24:52,337 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:24:52,359 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;@2c0829e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:24:52,359 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-27 20:24:52,366 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 20:24:52,366 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-11-27 20:24:52,366 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 20:24:52,367 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:24:52,367 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-27 20:24:52,368 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:24:52,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:24:52,375 INFO L85 PathProgramCache]: Analyzing trace with hash 13010806, now seen corresponding path program 1 times [2024-11-27 20:24:52,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:24:52,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917593680] [2024-11-27 20:24:52,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:24:52,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:24:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:24:53,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:24:53,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:24:53,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917593680] [2024-11-27 20:24:53,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917593680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:24:53,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:24:53,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-27 20:24:53,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643495164] [2024-11-27 20:24:53,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:24:53,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:24:53,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:24:53,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:24:53,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:24:53,188 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 55 [2024-11-27 20:24:53,191 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 51 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 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) [2024-11-27 20:24:53,191 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:24:53,191 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 55 [2024-11-27 20:24:53,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:24:54,891 INFO L124 PetriNetUnfolderBase]: 3311/5198 cut-off events. [2024-11-27 20:24:54,892 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-11-27 20:24:54,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9878 conditions, 5198 events. 3311/5198 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 33882 event pairs, 2177 based on Foata normal form. 288/5441 useless extension candidates. Maximal degree in co-relation 9866. Up to 3661 conditions per place. [2024-11-27 20:24:54,957 INFO L140 encePairwiseOnDemand]: 50/55 looper letters, 41 selfloop transitions, 2 changer transitions 2/67 dead transitions. [2024-11-27 20:24:54,957 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 67 transitions, 245 flow [2024-11-27 20:24:54,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:24:54,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:24:54,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 128 transitions. [2024-11-27 20:24:54,977 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7757575757575758 [2024-11-27 20:24:54,979 INFO L175 Difference]: Start difference. First operand has 62 places, 51 transitions, 114 flow. Second operand 3 states and 128 transitions. [2024-11-27 20:24:54,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 67 transitions, 245 flow [2024-11-27 20:24:54,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 67 transitions, 238 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-27 20:24:54,995 INFO L231 Difference]: Finished difference. Result has 58 places, 46 transitions, 104 flow [2024-11-27 20:24:54,999 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=58, PETRI_TRANSITIONS=46} [2024-11-27 20:24:55,006 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, -4 predicate places. [2024-11-27 20:24:55,006 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 46 transitions, 104 flow [2024-11-27 20:24:55,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 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) [2024-11-27 20:24:55,006 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:24:55,007 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:24:55,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:24:55,007 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:24:55,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:24:55,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1708974511, now seen corresponding path program 1 times [2024-11-27 20:24:55,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:24:55,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126786353] [2024-11-27 20:24:55,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:24:55,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:24:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:24:55,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:24:55,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:24:55,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126786353] [2024-11-27 20:24:55,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126786353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:24:55,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:24:55,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-27 20:24:55,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242681823] [2024-11-27 20:24:55,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:24:55,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:24:55,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:24:55,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:24:55,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:24:55,195 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 55 [2024-11-27 20:24:55,196 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 46 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:55,196 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:24:55,196 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 55 [2024-11-27 20:24:55,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:24:56,488 INFO L124 PetriNetUnfolderBase]: 2903/4915 cut-off events. [2024-11-27 20:24:56,489 INFO L125 PetriNetUnfolderBase]: For 278/278 co-relation queries the response was YES. [2024-11-27 20:24:56,509 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9319 conditions, 4915 events. 2903/4915 cut-off events. For 278/278 co-relation queries the response was YES. Maximal size of possible extension queue 303. Compared 35282 event pairs, 2903 based on Foata normal form. 144/4897 useless extension candidates. Maximal degree in co-relation 9309. Up to 4016 conditions per place. [2024-11-27 20:24:56,536 INFO L140 encePairwiseOnDemand]: 53/55 looper letters, 22 selfloop transitions, 1 changer transitions 1/45 dead transitions. [2024-11-27 20:24:56,536 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 45 transitions, 150 flow [2024-11-27 20:24:56,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:24:56,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:24:56,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 100 transitions. [2024-11-27 20:24:56,541 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6060606060606061 [2024-11-27 20:24:56,541 INFO L175 Difference]: Start difference. First operand has 58 places, 46 transitions, 104 flow. Second operand 3 states and 100 transitions. [2024-11-27 20:24:56,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 45 transitions, 150 flow [2024-11-27 20:24:56,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 45 transitions, 146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:24:56,544 INFO L231 Difference]: Finished difference. Result has 56 places, 44 transitions, 98 flow [2024-11-27 20:24:56,544 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=98, PETRI_PLACES=56, PETRI_TRANSITIONS=44} [2024-11-27 20:24:56,545 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, -6 predicate places. [2024-11-27 20:24:56,545 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 44 transitions, 98 flow [2024-11-27 20:24:56,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:56,546 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:24:56,546 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:24:56,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:24:56,546 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:24:56,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:24:56,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1708973255, now seen corresponding path program 1 times [2024-11-27 20:24:56,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:24:56,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995106386] [2024-11-27 20:24:56,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:24:56,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:24:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:24:57,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:24:57,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:24:57,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995106386] [2024-11-27 20:24:57,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995106386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:24:57,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:24:57,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:24:57,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553277150] [2024-11-27 20:24:57,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:24:57,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:24:57,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:24:57,090 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:24:57,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:24:57,122 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 55 [2024-11-27 20:24:57,122 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 44 transitions, 98 flow. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:57,122 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:24:57,122 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 55 [2024-11-27 20:24:57,122 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:25:03,963 INFO L124 PetriNetUnfolderBase]: 32013/46212 cut-off events. [2024-11-27 20:25:03,963 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 20:25:04,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89695 conditions, 46212 events. 32013/46212 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1981. Compared 335234 event pairs, 8935 based on Foata normal form. 0/45159 useless extension candidates. Maximal degree in co-relation 89689. Up to 19856 conditions per place. [2024-11-27 20:25:04,207 INFO L140 encePairwiseOnDemand]: 43/55 looper letters, 47 selfloop transitions, 8 changer transitions 101/169 dead transitions. [2024-11-27 20:25:04,207 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 169 transitions, 664 flow [2024-11-27 20:25:04,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:25:04,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-27 20:25:04,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 320 transitions. [2024-11-27 20:25:04,210 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6464646464646465 [2024-11-27 20:25:04,211 INFO L175 Difference]: Start difference. First operand has 56 places, 44 transitions, 98 flow. Second operand 9 states and 320 transitions. [2024-11-27 20:25:04,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 169 transitions, 664 flow [2024-11-27 20:25:04,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 169 transitions, 663 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:25:04,216 INFO L231 Difference]: Finished difference. Result has 70 places, 50 transitions, 207 flow [2024-11-27 20:25:04,216 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=207, PETRI_PLACES=70, PETRI_TRANSITIONS=50} [2024-11-27 20:25:04,217 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 8 predicate places. [2024-11-27 20:25:04,218 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 50 transitions, 207 flow [2024-11-27 20:25:04,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:04,218 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:25:04,218 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:04,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:25:04,219 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:25:04,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:04,219 INFO L85 PathProgramCache]: Analyzing trace with hash -455486824, now seen corresponding path program 1 times [2024-11-27 20:25:04,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:04,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730927471] [2024-11-27 20:25:04,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:04,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:04,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:04,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:04,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730927471] [2024-11-27 20:25:04,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730927471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:04,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:04,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:25:04,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773291546] [2024-11-27 20:25:04,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:04,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:25:04,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:04,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:25:04,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:25:04,568 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 55 [2024-11-27 20:25:04,568 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 50 transitions, 207 flow. Second operand has 5 states, 5 states have (on average 25.8) internal successors, (129), 5 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:04,568 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:25:04,568 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 55 [2024-11-27 20:25:04,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:25:08,399 INFO L124 PetriNetUnfolderBase]: 17585/28210 cut-off events. [2024-11-27 20:25:08,399 INFO L125 PetriNetUnfolderBase]: For 26329/28818 co-relation queries the response was YES. [2024-11-27 20:25:08,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75563 conditions, 28210 events. 17585/28210 cut-off events. For 26329/28818 co-relation queries the response was YES. Maximal size of possible extension queue 1362. Compared 230059 event pairs, 5312 based on Foata normal form. 1020/28522 useless extension candidates. Maximal degree in co-relation 75548. Up to 15244 conditions per place. [2024-11-27 20:25:08,594 INFO L140 encePairwiseOnDemand]: 50/55 looper letters, 34 selfloop transitions, 3 changer transitions 43/103 dead transitions. [2024-11-27 20:25:08,595 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 103 transitions, 531 flow [2024-11-27 20:25:08,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:25:08,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-27 20:25:08,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 237 transitions. [2024-11-27 20:25:08,597 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6155844155844156 [2024-11-27 20:25:08,597 INFO L175 Difference]: Start difference. First operand has 70 places, 50 transitions, 207 flow. Second operand 7 states and 237 transitions. [2024-11-27 20:25:08,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 103 transitions, 531 flow [2024-11-27 20:25:08,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 103 transitions, 477 flow, removed 15 selfloop flow, removed 4 redundant places. [2024-11-27 20:25:08,918 INFO L231 Difference]: Finished difference. Result has 70 places, 50 transitions, 192 flow [2024-11-27 20:25:08,918 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=173, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=192, PETRI_PLACES=70, PETRI_TRANSITIONS=50} [2024-11-27 20:25:08,921 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 8 predicate places. [2024-11-27 20:25:08,921 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 50 transitions, 192 flow [2024-11-27 20:25:08,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 5 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:08,921 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:25:08,922 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] [2024-11-27 20:25:08,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:25:08,922 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:25:08,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:08,923 INFO L85 PathProgramCache]: Analyzing trace with hash 541288801, now seen corresponding path program 1 times [2024-11-27 20:25:08,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:08,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580455056] [2024-11-27 20:25:08,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:08,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:09,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:09,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:09,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580455056] [2024-11-27 20:25:09,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580455056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:09,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:09,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:25:09,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279246431] [2024-11-27 20:25:09,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:09,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:25:09,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:09,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:25:09,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:25:09,250 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 55 [2024-11-27 20:25:09,251 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 50 transitions, 192 flow. Second operand has 6 states, 6 states have (on average 20.5) internal successors, (123), 6 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:09,251 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:25:09,251 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 55 [2024-11-27 20:25:09,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:25:14,248 INFO L124 PetriNetUnfolderBase]: 22115/32644 cut-off events. [2024-11-27 20:25:14,248 INFO L125 PetriNetUnfolderBase]: For 36541/36599 co-relation queries the response was YES. [2024-11-27 20:25:14,343 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91441 conditions, 32644 events. 22115/32644 cut-off events. For 36541/36599 co-relation queries the response was YES. Maximal size of possible extension queue 1330. Compared 230991 event pairs, 6860 based on Foata normal form. 777/33401 useless extension candidates. Maximal degree in co-relation 91423. Up to 17000 conditions per place. [2024-11-27 20:25:14,452 INFO L140 encePairwiseOnDemand]: 44/55 looper letters, 64 selfloop transitions, 12 changer transitions 78/167 dead transitions. [2024-11-27 20:25:14,453 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 167 transitions, 940 flow [2024-11-27 20:25:14,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:25:14,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-27 20:25:14,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 333 transitions. [2024-11-27 20:25:14,455 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6054545454545455 [2024-11-27 20:25:14,455 INFO L175 Difference]: Start difference. First operand has 70 places, 50 transitions, 192 flow. Second operand 10 states and 333 transitions. [2024-11-27 20:25:14,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 167 transitions, 940 flow [2024-11-27 20:25:14,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 167 transitions, 898 flow, removed 16 selfloop flow, removed 8 redundant places. [2024-11-27 20:25:14,992 INFO L231 Difference]: Finished difference. Result has 75 places, 55 transitions, 265 flow [2024-11-27 20:25:14,992 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=265, PETRI_PLACES=75, PETRI_TRANSITIONS=55} [2024-11-27 20:25:14,992 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 13 predicate places. [2024-11-27 20:25:14,993 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 55 transitions, 265 flow [2024-11-27 20:25:14,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.5) internal successors, (123), 6 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:14,993 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:25:14,993 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] [2024-11-27 20:25:14,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:25:14,994 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:25:14,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:14,994 INFO L85 PathProgramCache]: Analyzing trace with hash 2118105380, now seen corresponding path program 1 times [2024-11-27 20:25:14,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:14,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462855521] [2024-11-27 20:25:14,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:14,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:15,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:15,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:15,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462855521] [2024-11-27 20:25:15,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462855521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:15,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:15,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:25:15,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365549938] [2024-11-27 20:25:15,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:15,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:25:15,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:15,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:25:15,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:25:15,336 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 55 [2024-11-27 20:25:15,336 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 55 transitions, 265 flow. Second operand has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:15,336 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:25:15,336 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 55 [2024-11-27 20:25:15,337 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:25:19,853 INFO L124 PetriNetUnfolderBase]: 20126/29655 cut-off events. [2024-11-27 20:25:19,853 INFO L125 PetriNetUnfolderBase]: For 47817/48360 co-relation queries the response was YES. [2024-11-27 20:25:19,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91122 conditions, 29655 events. 20126/29655 cut-off events. For 47817/48360 co-relation queries the response was YES. Maximal size of possible extension queue 1143. Compared 207814 event pairs, 4034 based on Foata normal form. 705/30282 useless extension candidates. Maximal degree in co-relation 91102. Up to 12197 conditions per place. [2024-11-27 20:25:20,040 INFO L140 encePairwiseOnDemand]: 45/55 looper letters, 72 selfloop transitions, 8 changer transitions 82/175 dead transitions. [2024-11-27 20:25:20,040 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 175 transitions, 1099 flow [2024-11-27 20:25:20,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:25:20,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-27 20:25:20,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 328 transitions. [2024-11-27 20:25:20,043 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5963636363636363 [2024-11-27 20:25:20,043 INFO L175 Difference]: Start difference. First operand has 75 places, 55 transitions, 265 flow. Second operand 10 states and 328 transitions. [2024-11-27 20:25:20,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 175 transitions, 1099 flow [2024-11-27 20:25:21,363 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 175 transitions, 1045 flow, removed 27 selfloop flow, removed 4 redundant places. [2024-11-27 20:25:21,365 INFO L231 Difference]: Finished difference. Result has 83 places, 59 transitions, 344 flow [2024-11-27 20:25:21,365 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=249, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=344, PETRI_PLACES=83, PETRI_TRANSITIONS=59} [2024-11-27 20:25:21,366 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 21 predicate places. [2024-11-27 20:25:21,366 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 59 transitions, 344 flow [2024-11-27 20:25:21,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:21,366 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:25:21,366 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] [2024-11-27 20:25:21,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:25:21,367 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:25:21,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:21,367 INFO L85 PathProgramCache]: Analyzing trace with hash 577817066, now seen corresponding path program 1 times [2024-11-27 20:25:21,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:21,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034073767] [2024-11-27 20:25:21,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:21,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:21,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:21,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:21,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034073767] [2024-11-27 20:25:21,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034073767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:21,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:21,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:25:21,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208721417] [2024-11-27 20:25:21,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:21,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:25:21,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:21,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:25:21,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:25:21,559 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 55 [2024-11-27 20:25:21,559 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 59 transitions, 344 flow. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:21,560 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:25:21,560 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 55 [2024-11-27 20:25:21,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:25:27,543 INFO L124 PetriNetUnfolderBase]: 30806/46067 cut-off events. [2024-11-27 20:25:27,544 INFO L125 PetriNetUnfolderBase]: For 45697/52509 co-relation queries the response was YES. [2024-11-27 20:25:27,731 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115221 conditions, 46067 events. 30806/46067 cut-off events. For 45697/52509 co-relation queries the response was YES. Maximal size of possible extension queue 1739. Compared 337917 event pairs, 5525 based on Foata normal form. 2165/46804 useless extension candidates. Maximal degree in co-relation 115194. Up to 24444 conditions per place. [2024-11-27 20:25:27,831 INFO L140 encePairwiseOnDemand]: 48/55 looper letters, 60 selfloop transitions, 6 changer transitions 0/95 dead transitions. [2024-11-27 20:25:27,831 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 95 transitions, 606 flow [2024-11-27 20:25:27,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:25:27,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-27 20:25:27,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 146 transitions. [2024-11-27 20:25:27,833 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6636363636363637 [2024-11-27 20:25:27,833 INFO L175 Difference]: Start difference. First operand has 83 places, 59 transitions, 344 flow. Second operand 4 states and 146 transitions. [2024-11-27 20:25:27,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 95 transitions, 606 flow [2024-11-27 20:25:28,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 95 transitions, 585 flow, removed 9 selfloop flow, removed 5 redundant places. [2024-11-27 20:25:28,774 INFO L231 Difference]: Finished difference. Result has 77 places, 64 transitions, 369 flow [2024-11-27 20:25:28,774 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=323, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=369, PETRI_PLACES=77, PETRI_TRANSITIONS=64} [2024-11-27 20:25:28,775 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 15 predicate places. [2024-11-27 20:25:28,775 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 64 transitions, 369 flow [2024-11-27 20:25:28,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:28,775 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:25:28,775 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] [2024-11-27 20:25:28,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 20:25:28,775 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:25:28,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:28,776 INFO L85 PathProgramCache]: Analyzing trace with hash -142378508, now seen corresponding path program 1 times [2024-11-27 20:25:28,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:28,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064244450] [2024-11-27 20:25:28,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:28,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:29,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:29,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:29,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064244450] [2024-11-27 20:25:29,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064244450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:29,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:29,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:25:29,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339018093] [2024-11-27 20:25:29,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:29,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:25:29,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:29,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:25:29,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:25:29,031 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 55 [2024-11-27 20:25:29,032 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 64 transitions, 369 flow. Second operand has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:29,032 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:25:29,032 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 55 [2024-11-27 20:25:29,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:25:33,777 INFO L124 PetriNetUnfolderBase]: 24729/37327 cut-off events. [2024-11-27 20:25:33,777 INFO L125 PetriNetUnfolderBase]: For 29905/34283 co-relation queries the response was YES. [2024-11-27 20:25:33,924 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100382 conditions, 37327 events. 24729/37327 cut-off events. For 29905/34283 co-relation queries the response was YES. Maximal size of possible extension queue 1402. Compared 267798 event pairs, 3302 based on Foata normal form. 1653/37726 useless extension candidates. Maximal degree in co-relation 100356. Up to 12793 conditions per place. [2024-11-27 20:25:33,999 INFO L140 encePairwiseOnDemand]: 48/55 looper letters, 78 selfloop transitions, 10 changer transitions 0/117 dead transitions. [2024-11-27 20:25:33,999 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 117 transitions, 758 flow [2024-11-27 20:25:33,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:25:34,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-27 20:25:34,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 187 transitions. [2024-11-27 20:25:34,001 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.68 [2024-11-27 20:25:34,001 INFO L175 Difference]: Start difference. First operand has 77 places, 64 transitions, 369 flow. Second operand 5 states and 187 transitions. [2024-11-27 20:25:34,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 117 transitions, 758 flow [2024-11-27 20:25:34,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 117 transitions, 731 flow, removed 12 selfloop flow, removed 5 redundant places. [2024-11-27 20:25:34,023 INFO L231 Difference]: Finished difference. Result has 78 places, 69 transitions, 422 flow [2024-11-27 20:25:34,023 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=355, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=422, PETRI_PLACES=78, PETRI_TRANSITIONS=69} [2024-11-27 20:25:34,024 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 16 predicate places. [2024-11-27 20:25:34,024 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 69 transitions, 422 flow [2024-11-27 20:25:34,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:34,025 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:25:34,025 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] [2024-11-27 20:25:34,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 20:25:34,025 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:25:34,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:34,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1758793303, now seen corresponding path program 1 times [2024-11-27 20:25:34,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:34,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390997953] [2024-11-27 20:25:34,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:34,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:34,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:34,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:34,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:34,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390997953] [2024-11-27 20:25:34,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390997953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:34,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:34,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:25:34,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596185208] [2024-11-27 20:25:34,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:34,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:25:34,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:34,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:25:34,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:25:34,527 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 55 [2024-11-27 20:25:34,528 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 69 transitions, 422 flow. Second operand has 6 states, 6 states have (on average 24.166666666666668) internal successors, (145), 6 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:34,528 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:25:34,528 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 55 [2024-11-27 20:25:34,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:25:38,503 INFO L124 PetriNetUnfolderBase]: 19617/29403 cut-off events. [2024-11-27 20:25:38,503 INFO L125 PetriNetUnfolderBase]: For 42642/46014 co-relation queries the response was YES. [2024-11-27 20:25:38,601 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89105 conditions, 29403 events. 19617/29403 cut-off events. For 42642/46014 co-relation queries the response was YES. Maximal size of possible extension queue 1259. Compared 203073 event pairs, 2492 based on Foata normal form. 985/29195 useless extension candidates. Maximal degree in co-relation 89080. Up to 9942 conditions per place. [2024-11-27 20:25:38,658 INFO L140 encePairwiseOnDemand]: 48/55 looper letters, 92 selfloop transitions, 14 changer transitions 0/135 dead transitions. [2024-11-27 20:25:38,658 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 135 transitions, 889 flow [2024-11-27 20:25:38,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:25:38,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 20:25:38,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 226 transitions. [2024-11-27 20:25:38,660 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6848484848484848 [2024-11-27 20:25:38,660 INFO L175 Difference]: Start difference. First operand has 78 places, 69 transitions, 422 flow. Second operand 6 states and 226 transitions. [2024-11-27 20:25:38,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 135 transitions, 889 flow [2024-11-27 20:25:38,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 135 transitions, 873 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-11-27 20:25:38,680 INFO L231 Difference]: Finished difference. Result has 83 places, 74 transitions, 492 flow [2024-11-27 20:25:38,680 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=407, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=492, PETRI_PLACES=83, PETRI_TRANSITIONS=74} [2024-11-27 20:25:38,681 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 21 predicate places. [2024-11-27 20:25:38,681 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 74 transitions, 492 flow [2024-11-27 20:25:38,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.166666666666668) internal successors, (145), 6 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:38,681 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:25:38,682 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] [2024-11-27 20:25:38,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 20:25:38,682 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:25:38,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:38,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1120689524, now seen corresponding path program 1 times [2024-11-27 20:25:38,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:38,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489818902] [2024-11-27 20:25:38,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:38,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:40,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:40,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:40,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489818902] [2024-11-27 20:25:40,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489818902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:40,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:40,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 20:25:40,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863100897] [2024-11-27 20:25:40,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:40,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:25:40,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:40,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:25:40,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:25:40,106 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 55 [2024-11-27 20:25:40,107 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 74 transitions, 492 flow. Second operand has 9 states, 9 states have (on average 26.11111111111111) internal successors, (235), 9 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:40,107 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:25:40,108 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 55 [2024-11-27 20:25:40,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand